SMD code IGD
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.
11 parts are printed IGD
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.
2SK360-DSOT-23N-channel MOSFET, 3 pins, RenesasN-channel MOSFETSOT-233 pinsRenesas
- What it is
- N-channel MOSFET
- Maker
- Renesas
- Package
- SOT-23
- Pins
- 3
- Details
- MOSFET n-type: VHF Amp, 20V, 30mA, 150mW, Idss=4..6mA, 8/14ms
- Source
- Published code list
Is it dead? The meter test is below: N-channel MOSFET.
2SK360DSOT-233 pins, RenesasNot recordedSOT-233 pinsRenesas
- What it is
- Not recorded
- Maker
- Renesas
- Package
- SOT-23
- Pins
- 3
- Source
- Published code list
Is it dead? The meter test is below: This part.
2SK1215-DSOT-23N-channel MOSFET, 3 pins, RenesasN-channel MOSFETSOT-233 pinsRenesas
- What it is
- N-channel MOSFET
- Maker
- Renesas
- Package
- SOT-23
- Pins
- 3
- Details
- n-MOS-d: VHF, 20V, 30mA, 100mW, Idss=4..8mA, Up<2V
- Source
- Published code list
Is it dead? The meter test is below: N-channel MOSFET.
2SK1215DSOT-3233 pins, RenesasNot recordedSOT-3233 pinsRenesas
- What it is
- Not recorded
- Maker
- Renesas
- Package
- SOT-323
- Pins
- 3
- Source
- Published code list
Is it dead? The meter test is below: This part.
3.0GSMDJ54CSMCTVS diode, 2 pins, Good-ArkTVS diodeSMC2 pinsGood-Ark
- What it is
- TVS diode
- Maker
- Good-Ark
- Package
- SMC
- Pins
- 2
- Details
- Transient voltage supressor: Vrwm=54V, Vbr=60.0..76.0V, Ipp=31.2A, 3000W(1ms), Bidir.
- Source
- Published code list
Is it dead? The meter test is below: TVS or ESD protection diode.
3.0SMCJ54CSMCTVS diode, 2 pins, PanjitTVS diodeSMC2 pinsPanjit
- What it is
- TVS diode
- Maker
- Panjit
- Package
- SMC
- Pins
- 2
- Details
- TVS: 54V, 31.2A, 3000W (1ms), Bidirectional
- Source
- Published code list
Is it dead? The meter test is below: TVS or ESD protection diode.
3.0SMI54CSMCTVS diode, 2 pins, SMC Diode SolutionsTVS diodeSMC2 pinsSMC Diode Solutions
- What it is
- TVS diode
- Maker
- SMC Diode Solutions
- Package
- SMC
- Pins
- 2
- Details
- Transient voltage supressor: Vbr=60.0..76.0V, Vrwm=54V, 31.2A, 3000W(1ms), Bidir.
- Source
- Published code list
Is it dead? The meter test is below: TVS or ESD protection diode.
S-8541A18FN-IGDT2MSOP-88 pins, ABLICNot recordedMSOP-88 pinsABLIC
- What it is
- Not recorded
- Maker
- ABLIC
- Package
- MSOP-8
- Pins
- 8
- Source
- Published code list
Is it dead? The meter test is below: This part.
SMLJ54CSMCTVS diode, 2 pins, Micro Commercial ComponentsTVS diodeSMC2 pinsMicro Commercial Components
- What it is
- TVS diode
- Maker
- Micro Commercial Components
- Package
- SMC
- Pins
- 2
- Details
- TVS: 54V, 31.2A, 3000W(1ms), Bidirectional
- Source
- Published code list
Is it dead? The meter test is below: TVS or ESD protection diode.
TV30C540KBSMC2 pins, ComchipNot recordedSMC2 pinsComchip
- What it is
- Not recorded
- Maker
- Comchip
- Package
- SMC
- Pins
- 2
- Details
- TVS: 54V, 10%, 31.2A, 3000W(1ms), Bidirectional
- Source
- Published code list
Is it dead? The meter test is below: TVS or ESD protection diode.
TV30C540KB-GSMCTVS diode, 2 pins, ComchipTVS diodeSMC2 pinsComchip
- What it is
- TVS diode
- Maker
- Comchip
- Package
- SMC
- Pins
- 2
- Details
- Transient voltage supressor: Vrwm=54.0V, Vbr=60.0..73.30V, Ipp=31.15A, 3000W(1ms), Bidir.
- 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.
N-channel MOSFET
Diode range, part lifted. Test drain to source first, then short gate to source and test again.
Working, it reads
Red probe on the source, black on the drain: about 0.4 to 0.9 V, the body diode. Open the other way. The gate reads open to both other pins, both ways.
Dead, it reads
- Drain to source the same both ways, near 0 V with a continuous beep, and still so after shorting gate to source: shorted. The classic failure.
- The gate reads low to source or drain: gate shorted. Often all three pins end up shorted together.
- No body diode at all: failed open.
- On the board
- the gate usually has a resistor to the source, so gate to source reads that resistor, which is not a fault. A drain short can be the load. Lift a leg to be sure.
- Compare:
- If an identical part sits elsewhere on the board, measure it the same way: that is what this one should read.
- Watch for:
- The diode range can charge the gate enough to turn the part on, and then drain to source reads near 0 both ways on a good part. Short gate to source and test again before you condemn it.
A dead part still carries its marking. A short or an open says it has failed, not that it is a different part.
This part
Diode range and ohms range, part lifted.
Working, it reads
Depends on what it is. The datasheet, or an identical part, says.
Dead, it reads
- Between two pins, the same reading both ways, near 0 V with a continuous beep: shorted.
- Open between every pair of pins: failed open, or a part that reads open when working.
- On the board
- this is a first look only: the meter reads every path between those pins, and a short can be a neighbour. Lift one leg before you condemn it.
- Compare:
- If an identical part sits elsewhere on the board, measure it the same way: that is what this one should read.
A dead part still carries its marking. A short or an open says it has failed, not that it is a different part.
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 IGD
One character differs, and it is one that is easy to confuse under a lamp. Each code has a page of its own.
Codes not listed here are printed on 53 more parts.
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