Loading
1 part is printed 6H. 10 printed with a similar-looking code.
Not sure which one you have?
Answer up to 4 quick questions and these 11 parts are ranked, with a meter test that settles it. It works on a dead part too.
The only part printed 6H in our tables
Diode range for the forward check, part lifted, red probe on the anode. A bench supply for the Zener voltage.
Working, it reads
About 0.6 to 0.8 V forward and open in reverse on the diode range. Its Zener voltage shows only on a supply: feed it through a resistor that sets about 5 mA, cathode to positive, read quickly, and it should hold near its rated voltage.
Dead, it reads
A dead part still carries its marking. A short or an open says it has failed, not that it is a different part.
These parts are printed with a character that is easy to misread as what you typed. The odd one out is marked on each.
Printed CH on the part. Easy to misread as 6H. Check that character with a loupe before you order anything.
Diode range for the forward check, part lifted, red probe on the anode. A bench supply for the Zener voltage.
Working, it reads
About 0.6 to 0.8 V forward and open in reverse on the diode range. Its Zener voltage shows only on a supply: feed it through a resistor that sets about 5 mA, cathode to positive, read quickly, and it should hold near its rated voltage.
Dead, it reads
A dead part still carries its marking. A short or an open says it has failed, not that it is a different part.
Printed GH on the part. Easy to misread as 6H. Check that character with a loupe before you order anything.
Diode range for the forward check, part lifted, red probe on the anode. A bench supply for the Zener voltage.
Working, it reads
About 0.6 to 0.8 V forward and open in reverse on the diode range. Its Zener voltage shows only on a supply: feed it through a resistor that sets about 5 mA, cathode to positive, read quickly, and it should hold near its rated voltage.
Dead, it reads
A dead part still carries its marking. A short or an open says it has failed, not that it is a different part.
Printed CH on the part. Easy to misread as 6H. Check that character with a loupe before you order anything.
Diode range for the forward check, part lifted, red probe on the anode. A bench supply for the Zener voltage.
Working, it reads
About 0.6 to 0.8 V forward and open in reverse on the diode range. Its Zener voltage shows only on a supply: feed it through a resistor that sets about 5 mA, cathode to positive, read quickly, and it should hold near its rated voltage.
Dead, it reads
A dead part still carries its marking. A short or an open says it has failed, not that it is a different part.
Printed GH on the part. Easy to misread as 6H. Check that character with a loupe before you order anything.
Diode range, part lifted or one leg off the pad. Red probe on the anode.
Working, it reads
About 0.5 to 0.8 V anode to cathode, and open the other way. Small switching diodes read about 0.6 to 0.7 V; large rectifiers can read a little lower.
Dead, it reads
A dead part still carries its marking. A short or an open says it has failed, not that it is a different part.
Printed CH on the part. Easy to misread as 6H. Check that character with a loupe before you order anything.
Diode range, part lifted or its base leg off the pad.
Working, it reads
From the base, one probe colour reads about 0.6 to 0.75 V to the emitter and to the collector, and open the other way round. Collector to emitter reads open both ways.
Dead, it reads
A dead part still carries its marking. A short or an open says it has failed, not that it is a different part.
Printed CH on the part. Easy to misread as 6H. Check that character with a loupe before you order anything.
Voltage, board powered, black probe on ground. Then ohms with the power off.
Working, it reads
Input pin at the supply, output pin at its rated voltage, and the enable pin high if it has one.
Dead, it reads
A dead part still carries its marking. A short or an open says it has failed, not that it is a different part.
Printed CH on the part. Easy to misread as 6H. Check that character with a loupe before you order anything.
Voltage, board powered, black probe on ground. Then ohms with the power off.
Working, it reads
Input pin at the supply, output pin at its rated voltage, and the enable pin high if it has one.
Dead, it reads
A dead part still carries its marking. A short or an open says it has failed, not that it is a different part.
Printed CH on the part. Easy to misread as 6H. Check that character with a loupe before you order anything.
Voltage, board powered, black probe on ground. Then ohms with the power off.
Working, it reads
Input pin at the supply, output pin at its rated voltage, and the enable pin high if it has one.
Dead, it reads
A dead part still carries its marking. A short or an open says it has failed, not that it is a different part.
Printed CH on the part. Easy to misread as 6H. Check that character with a loupe before you order anything.
Voltage with the board powered; ohms from each pin to ground with it off.
Working, it reads
Supply pin at its voltage and the output doing what the datasheet says. Readings between pins depend on the part.
Dead, it reads
A dead part still carries its marking. A short or an open says it has failed, not that it is a different part.
Printed GH on the part. Easy to misread as 6H. Check that character with a loupe before you order anything.
Voltage, board powered, black probe on ground. Then ohms with the power off.
Working, it reads
Input pin at the supply, output pin at its rated voltage, and the enable pin high if it has one.
Dead, it reads
A dead part still carries its marking. A short or an open says it has failed, not that it is a different part.
For a marking with its end worn or burnt off. Each one shows its full printed code.
Printed 6H1. Only the start matches what you typed, so this fits only if the rest of the marking is worn off.
Diode range for the forward check, part lifted, red probe on the anode. A bench supply for the Zener voltage.
Working, it reads
About 0.6 to 0.8 V forward and open in reverse on the diode range. Its Zener voltage shows only on a supply: feed it through a resistor that sets about 5 mA, cathode to positive, read quickly, and it should hold near its rated voltage.
Dead, it reads
A dead part still carries its marking. A short or an open says it has failed, not that it is a different part.
Printed GHJ. Only the start matches what you typed, so this fits only if the rest of the marking is worn off.
Diode range, from the protected line to ground, part lifted if you can.
Working, it reads
A one-way part reads about 0.6 to 0.8 V forward and open in reverse. A two-way part reads open both ways. Arrays with several lines read as the datasheet's diagram draws them.
Dead, it reads
A dead part still carries its marking. A short or an open says it has failed, not that it is a different part.
Printed GHJ. Only the start matches what you typed, so this fits only if the rest of the marking is worn off.
Diode range, from the protected line to ground, part lifted if you can.
Working, it reads
A one-way part reads about 0.6 to 0.8 V forward and open in reverse. A two-way part reads open both ways. Arrays with several lines read as the datasheet's diagram draws them.
Dead, it reads
A dead part still carries its marking. A short or an open says it has failed, not that it is a different part.
Printed GHE3. Only the start matches what you typed, so this fits only if the rest of the marking is worn off.
Diode range, from the protected line to ground, part lifted if you can.
Working, it reads
A one-way part reads about 0.6 to 0.8 V forward and open in reverse. A two-way part reads open both ways. Arrays with several lines read as the datasheet's diagram draws them.
Dead, it reads
A dead part still carries its marking. A short or an open says it has failed, not that it is a different part.
Printed GHE3. Only the start matches what you typed, so this fits only if the rest of the marking is worn off.
Diode range, from the protected line to ground, part lifted if you can.
Working, it reads
A one-way part reads about 0.6 to 0.8 V forward and open in reverse. A two-way part reads open both ways. Arrays with several lines read as the datasheet's diagram draws them.
Dead, it reads
A dead part still carries its marking. A short or an open says it has failed, not that it is a different part.
Printed GHG3. Only the start matches what you typed, so this fits only if the rest of the marking is worn off.
Diode range, from the protected line to ground, part lifted if you can.
Working, it reads
A one-way part reads about 0.6 to 0.8 V forward and open in reverse. A two-way part reads open both ways. Arrays with several lines read as the datasheet's diagram draws them.
Dead, it reads
A dead part still carries its marking. A short or an open says it has failed, not that it is a different part.
Printed GHG3. Only the start matches what you typed, so this fits only if the rest of the marking is worn off.
Diode range, from the protected line to ground, part lifted if you can.
Working, it reads
A one-way part reads about 0.6 to 0.8 V forward and open in reverse. A two-way part reads open both ways. Arrays with several lines read as the datasheet's diagram draws them.
Dead, it reads
A dead part still carries its marking. A short or an open says it has failed, not that it is a different part.
Printed CHL. Only the start matches what you typed, so this fits only if the rest of the marking is worn off.
Voltage with the board powered; ohms from each pin to ground with it off.
Working, it reads
Supply pin at its voltage and the output doing what the datasheet says. Readings between pins depend on the part.
Dead, it reads
A dead part still carries its marking. A short or an open says it has failed, not that it is a different part.
Printed CHJ. Only the start matches what you typed, so this fits only if the rest of the marking is worn off.
Diode range, from the protected line to ground, part lifted if you can.
Working, it reads
A one-way part reads about 0.6 to 0.8 V forward and open in reverse. A two-way part reads open both ways. Arrays with several lines read as the datasheet's diagram draws them.
Dead, it reads
A dead part still carries its marking. A short or an open says it has failed, not that it is a different part.
Printed CHJ. Only the start matches what you typed, so this fits only if the rest of the marking is worn off.
Diode range, from the protected line to ground, part lifted if you can.
Working, it reads
A one-way part reads about 0.6 to 0.8 V forward and open in reverse. A two-way part reads open both ways. Arrays with several lines read as the datasheet's diagram draws them.
Dead, it reads
A dead part still carries its marking. A short or an open says it has failed, not that it is a different part.
Printed CHH. Only the start matches what you typed, so this fits only if the rest of the marking is worn off.
Diode range for the forward check, part lifted, red probe on the anode. A bench supply for the Zener voltage.
Working, it reads
About 0.6 to 0.8 V forward and open in reverse on the diode range. Its Zener voltage shows only on a supply: feed it through a resistor that sets about 5 mA, cathode to positive, read quickly, and it should hold near its rated voltage.
Dead, it reads
A dead part still carries its marking. A short or an open says it has failed, not that it is a different part.
Printed CHH. Only the start matches what you typed, so this fits only if the rest of the marking is worn off.
Diode range for the forward check, part lifted, red probe on the anode. A bench supply for the Zener voltage.
Working, it reads
About 0.6 to 0.8 V forward and open in reverse on the diode range. Its Zener voltage shows only on a supply: feed it through a resistor that sets about 5 mA, cathode to positive, read quickly, and it should hold near its rated voltage.
Dead, it reads
A dead part still carries its marking. A short or an open says it has failed, not that it is a different part.
Printed CHH. Only the start matches what you typed, so this fits only if the rest of the marking is worn off.
Diode range for the forward check, part lifted, red probe on the anode. A bench supply for the Zener voltage.
Working, it reads
About 0.6 to 0.8 V forward and open in reverse on the diode range. Its Zener voltage shows only on a supply: feed it through a resistor that sets about 5 mA, cathode to positive, read quickly, and it should hold near its rated voltage.
Dead, it reads
A dead part still carries its marking. A short or an open says it has failed, not that it is a different part.
Printed GHK7. Only the start matches what you typed, so this fits only if the rest of the marking is worn off.
Diode range, from the protected line to ground, part lifted if you can.
Working, it reads
A one-way part reads about 0.6 to 0.8 V forward and open in reverse. A two-way part reads open both ways. Arrays with several lines read as the datasheet's diagram draws them.
Dead, it reads
A dead part still carries its marking. A short or an open says it has failed, not that it is a different part.
Printed GHK7. Only the start matches what you typed, so this fits only if the rest of the marking is worn off.
Diode range, from the protected line to ground, part lifted if you can.
Working, it reads
A one-way part reads about 0.6 to 0.8 V forward and open in reverse. A two-way part reads open both ways. Arrays with several lines read as the datasheet's diagram draws them.
Dead, it reads
A dead part still carries its marking. A short or an open says it has failed, not that it is a different part.
Printed GHR7. Only the start matches what you typed, so this fits only if the rest of the marking is worn off.
Diode range, from the protected line to ground, part lifted if you can.
Working, it reads
A one-way part reads about 0.6 to 0.8 V forward and open in reverse. A two-way part reads open both ways. Arrays with several lines read as the datasheet's diagram draws them.
Dead, it reads
A dead part still carries its marking. A short or an open says it has failed, not that it is a different part.
Printed GHR7. Only the start matches what you typed, so this fits only if the rest of the marking is worn off.
Diode range, from the protected line to ground, part lifted if you can.
Working, it reads
A one-way part reads about 0.6 to 0.8 V forward and open in reverse. A two-way part reads open both ways. Arrays with several lines read as the datasheet's diagram draws them.
Dead, it reads
A dead part still carries its marking. A short or an open says it has failed, not that it is a different part.
Printed GHR8. Only the start matches what you typed, so this fits only if the rest of the marking is worn off.
Diode range, from the protected line to ground, part lifted if you can.
Working, it reads
A one-way part reads about 0.6 to 0.8 V forward and open in reverse. A two-way part reads open both ways. Arrays with several lines read as the datasheet's diagram draws them.
Dead, it reads
A dead part still carries its marking. A short or an open says it has failed, not that it is a different part.
Printed GHR8. Only the start matches what you typed, so this fits only if the rest of the marking is worn off.
Diode range, from the protected line to ground, part lifted if you can.
Working, it reads
A one-way part reads about 0.6 to 0.8 V forward and open in reverse. A two-way part reads open both ways. Arrays with several lines read as the datasheet's diagram draws them.
Dead, it reads
A dead part still carries its marking. A short or an open says it has failed, not that it is a different part.
Printed GHE. Only the start matches what you typed, so this fits only if the rest of the marking is worn off.
Diode range, from the protected line to ground, part lifted if you can.
Working, it reads
A one-way part reads about 0.6 to 0.8 V forward and open in reverse. A two-way part reads open both ways. Arrays with several lines read as the datasheet's diagram draws them.
Dead, it reads
A dead part still carries its marking. A short or an open says it has failed, not that it is a different part.
Printed GHE. Only the start matches what you typed, so this fits only if the rest of the marking is worn off.
Diode range, from the protected line to ground, part lifted if you can.
Working, it reads
A one-way part reads about 0.6 to 0.8 V forward and open in reverse. A two-way part reads open both ways. Arrays with several lines read as the datasheet's diagram draws them.
Dead, it reads
A dead part still carries its marking. A short or an open says it has failed, not that it is a different part.
Printed GHG. Only the start matches what you typed, so this fits only if the rest of the marking is worn off.
Diode range, from the protected line to ground, part lifted if you can.
Working, it reads
A one-way part reads about 0.6 to 0.8 V forward and open in reverse. A two-way part reads open both ways. Arrays with several lines read as the datasheet's diagram draws them.
Dead, it reads
A dead part still carries its marking. A short or an open says it has failed, not that it is a different part.
Printed GHG. Only the start matches what you typed, so this fits only if the rest of the marking is worn off.
Diode range, from the protected line to ground, part lifted if you can.
Working, it reads
A one-way part reads about 0.6 to 0.8 V forward and open in reverse. A two-way part reads open both ways. Arrays with several lines read as the datasheet's diagram draws them.
Dead, it reads
A dead part still carries its marking. A short or an open says it has failed, not that it is a different part.
Printed GHK. Only the start matches what you typed, so this fits only if the rest of the marking is worn off.
Diode range, from the protected line to ground, part lifted if you can.
Working, it reads
A one-way part reads about 0.6 to 0.8 V forward and open in reverse. A two-way part reads open both ways. Arrays with several lines read as the datasheet's diagram draws them.
Dead, it reads
A dead part still carries its marking. A short or an open says it has failed, not that it is a different part.
Printed GHK. Only the start matches what you typed, so this fits only if the rest of the marking is worn off.
Diode range, from the protected line to ground, part lifted if you can.
Working, it reads
A one-way part reads about 0.6 to 0.8 V forward and open in reverse. A two-way part reads open both ways. Arrays with several lines read as the datasheet's diagram draws them.
Dead, it reads
A dead part still carries its marking. A short or an open says it has failed, not that it is a different part.
Printed GHM. Only the start matches what you typed, so this fits only if the rest of the marking is worn off.
Diode range, from the protected line to ground, part lifted if you can.
Working, it reads
A one-way part reads about 0.6 to 0.8 V forward and open in reverse. A two-way part reads open both ways. Arrays with several lines read as the datasheet's diagram draws them.
Dead, it reads
A dead part still carries its marking. A short or an open says it has failed, not that it is a different part.
Printed GHM. Only the start matches what you typed, so this fits only if the rest of the marking is worn off.
Diode range, from the protected line to ground, part lifted if you can.
Working, it reads
A one-way part reads about 0.6 to 0.8 V forward and open in reverse. A two-way part reads open both ways. Arrays with several lines read as the datasheet's diagram draws them.
Dead, it reads
A dead part still carries its marking. A short or an open says it has failed, not that it is a different part.
Printed GHP. Only the start matches what you typed, so this fits only if the rest of the marking is worn off.
Diode range, from the protected line to ground, part lifted if you can.
Working, it reads
A one-way part reads about 0.6 to 0.8 V forward and open in reverse. A two-way part reads open both ways. Arrays with several lines read as the datasheet's diagram draws them.
Dead, it reads
A dead part still carries its marking. A short or an open says it has failed, not that it is a different part.
Printed GHP. Only the start matches what you typed, so this fits only if the rest of the marking is worn off.
Diode range, from the protected line to ground, part lifted if you can.
Working, it reads
A one-way part reads about 0.6 to 0.8 V forward and open in reverse. A two-way part reads open both ways. Arrays with several lines read as the datasheet's diagram draws them.
Dead, it reads
A dead part still carries its marking. A short or an open says it has failed, not that it is a different part.
Printed GHR. Only the start matches what you typed, so this fits only if the rest of the marking is worn off.
Diode range, from the protected line to ground, part lifted if you can.
Working, it reads
A one-way part reads about 0.6 to 0.8 V forward and open in reverse. A two-way part reads open both ways. Arrays with several lines read as the datasheet's diagram draws them.
Dead, it reads
A dead part still carries its marking. A short or an open says it has failed, not that it is a different part.
Printed GHR. Only the start matches what you typed, so this fits only if the rest of the marking is worn off.
Diode range, from the protected line to ground, part lifted if you can.
Working, it reads
A one-way part reads about 0.6 to 0.8 V forward and open in reverse. A two-way part reads open both ways. Arrays with several lines read as the datasheet's diagram draws them.
Dead, it reads
A dead part still carries its marking. A short or an open says it has failed, not that it is a different part.
Printed CH00. Only the start matches what you typed, so this fits only if the rest of the marking is worn off.
Voltage with the board powered; ohms from each pin to ground with it off.
Working, it reads
Supply pin at its voltage and the output doing what the datasheet says. Readings between pins depend on the part.
Dead, it reads
A dead part still carries its marking. A short or an open says it has failed, not that it is a different part.
Printed GHE. Only the start matches what you typed, so this fits only if the rest of the marking is worn off.
Diode range, from the protected line to ground, part lifted if you can.
Working, it reads
A one-way part reads about 0.6 to 0.8 V forward and open in reverse. A two-way part reads open both ways. Arrays with several lines read as the datasheet's diagram draws them.
Dead, it reads
A dead part still carries its marking. A short or an open says it has failed, not that it is a different part.
Printed GHG. Only the start matches what you typed, so this fits only if the rest of the marking is worn off.
Diode range, from the protected line to ground, part lifted if you can.
Working, it reads
A one-way part reads about 0.6 to 0.8 V forward and open in reverse. A two-way part reads open both ways. Arrays with several lines read as the datasheet's diagram draws them.
Dead, it reads
A dead part still carries its marking. A short or an open says it has failed, not that it is a different part.
Printed GHK. Only the start matches what you typed, so this fits only if the rest of the marking is worn off.
Diode range, from the protected line to ground, part lifted if you can.
Working, it reads
A one-way part reads about 0.6 to 0.8 V forward and open in reverse. A two-way part reads open both ways. Arrays with several lines read as the datasheet's diagram draws them.
Dead, it reads
A dead part still carries its marking. A short or an open says it has failed, not that it is a different part.
Printed GHM. Only the start matches what you typed, so this fits only if the rest of the marking is worn off.
Diode range, from the protected line to ground, part lifted if you can.
Working, it reads
A one-way part reads about 0.6 to 0.8 V forward and open in reverse. A two-way part reads open both ways. Arrays with several lines read as the datasheet's diagram draws them.
Dead, it reads
A dead part still carries its marking. A short or an open says it has failed, not that it is a different part.
Printed GHP. Only the start matches what you typed, so this fits only if the rest of the marking is worn off.
Diode range, from the protected line to ground, part lifted if you can.
Working, it reads
A one-way part reads about 0.6 to 0.8 V forward and open in reverse. A two-way part reads open both ways. Arrays with several lines read as the datasheet's diagram draws them.
Dead, it reads
A dead part still carries its marking. A short or an open says it has failed, not that it is a different part.
Printed GHR. Only the start matches what you typed, so this fits only if the rest of the marking is worn off.
Diode range, from the protected line to ground, part lifted if you can.
Working, it reads
A one-way part reads about 0.6 to 0.8 V forward and open in reverse. A two-way part reads open both ways. Arrays with several lines read as the datasheet's diagram draws them.
Dead, it reads
A dead part still carries its marking. A short or an open says it has failed, not that it is a different part.
Printed GHS. Only the start matches what you typed, so this fits only if the rest of the marking is worn off.
Diode range, from the protected line to ground, part lifted if you can.
Working, it reads
A one-way part reads about 0.6 to 0.8 V forward and open in reverse. A two-way part reads open both ways. Arrays with several lines read as the datasheet's diagram draws them.
Dead, it reads
A dead part still carries its marking. A short or an open says it has failed, not that it is a different part.