SMD code GGQ in SMC
Marking codes are not standardised, and the same code is reused by unrelated makers for unrelated parts. Below is every part in our tables printed with it, and any printed with a code that is easy to misread as it, from the manufacturers' own marking tables and published code lists.
8 parts in SMC are printed GGQ
Not sure which one you have?
Answer up to 4 quick questions and these 9 parts are ranked, with a meter test that settles it. It works on a dead part too.
SMCJ75SMCTVS diode, 2 pins, DOWOTVS diode2 pinsDOWO
- What it is
- TVS diode
- Maker
- DOWO
- Package
- SMC
- Pins
- 2
- Source
- Manufacturer datasheet
Is it dead? The meter test is below: TVS or ESD protection diode.
1.5SMCJ75SMCTVS diode, 2 pins, PanjitTVS diode2 pinsPanjit
- What it is
- TVS diode
- Maker
- Panjit
- Package
- SMC
- Pins
- 2
- Details
- TVS: 75V, 11.2A, 1500W (1ms)
- Source
- Published code list
Is it dead? The meter test is below: TVS or ESD protection diode.
EC76SMCJ75SMCTVS diode, 2 pins, E-CMOSTVS diode2 pinsE-CMOS
- What it is
- TVS diode
- Maker
- E-CMOS
- Package
- SMC
- Pins
- 2
- Details
- Transient voltage supressor: Vrwm=75V, Vbr=83.3..95.8V, 12.4A, 1500W(1ms)
- Source
- Published code list
Is it dead? The meter test is below: TVS or ESD protection diode.
SMCJ40SMCTVS diode, 2 pins, RFE InternationalTVS diode2 pinsRFE International
- What it is
- TVS diode
- Maker
- RFE International
- Package
- SMC
- Pins
- 2
- Source
- Published code list
Is it dead? The meter test is below: TVS or ESD protection diode.
SMCJ75CSMCTVS diode, 2 pins, EIC SemiconductorTVS diode2 pinsEIC Semiconductor
- What it is
- TVS diode
- Maker
- EIC Semiconductor
- Package
- SMC
- Pins
- 2
- Source
- Published code list
Is it dead? The meter test is below: TVS or ESD protection diode.
TFMCJ75SMC2 pins, RectronNot recorded2 pinsRectron
- What it is
- Not recorded
- Maker
- Rectron
- Package
- SMC
- Pins
- 2
- Details
- TVS: 75V, 11.2A, 1500W (1ms)
- Source
- Published code list
Is it dead? The meter test is below: TVS or ESD protection diode.
TV15C750KSMC2 pins, ComchipNot recorded2 pinsComchip
- What it is
- Not recorded
- Maker
- Comchip
- Package
- SMC
- Pins
- 2
- Details
- TVS: 75V, 10%, 11.2A, 1500W(1ms)
- Source
- Published code list
Is it dead? The meter test is below: TVS or ESD protection diode.
TV15C750K-GSMCTVS diode, 2 pins, ComchipTVS diode2 pinsComchip
- What it is
- TVS diode
- Maker
- Comchip
- Package
- SMC
- Pins
- 2
- Details
- Transient voltage supressor: Vrwm=75.0V, Vbr=83.30..102.0V, Ipp=11.19A, 1500W(1ms)
- Source
- Published code list
Is it dead? The meter test is below: TVS or ESD protection diode.
1 more part has no package on record. Nothing rules it out, so it stays.
1SMC75TVS diode, MotorolaTVS diodeNot recordedMotorola
- What it is
- TVS diode
- Maker
- Motorola
- Package
- Not recorded
- Pins
- Not recorded
- Details
- Transient voltage supressor: Vbr=83.3..92.1V, Vrwm=75V, 11.2A, 1500W(1ms)
- Source
- Published code list
Is it dead? The meter test is below: TVS or ESD protection diode.
Is it dead? One meter test per kind
Parts of the same kind are tested the same way, so each test is here once. Each part above points to its own.
TVS or ESD protection diode
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
- From the line to ground, the same reading both ways, near 0 V with a continuous beep: shorted.
- A reading both ways on a one-way part: leaky.
- A one-way part open both ways: failed open.
- On the board
- , a line reading shorted to ground can be this part or anything else on that line. Lift it: if the short goes with it, it has failed.
- Compare:
- The same part on the next line or connector pin is the healthy reading to compare with.
- Watch for:
- A two-way part reads open both ways when it is good, exactly like one that has failed open. The meter cannot tell them apart; an identical part on the next line can.
A dead part still carries its marking. A short or an open says it has failed, not that it is a different part.
Printed with a code easy to misread as GGQ
One character differs, and it is one that is easy to confuse under a lamp. Each code has a page of its own.
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