SMD code 2302
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.
23 parts are printed 2302
Not sure which one you have?
Answer up to 4 quick questions and these 23 parts are ranked, with a meter test that settles it. It works on a dead part too.
3 pins. What differs:
SSF2302SOT-23N-channel MOSFET, Good-ArkN-channel MOSFETSOT-23Good-Ark
- What it is
- N-channel MOSFET
- Maker
- Good-Ark
- Package
- SOT-23
- Pins
- 3
- Details
- N-channel MOSFET, 20 V
- Source
- Manufacturer datasheet
Is it dead? The meter test is below: N-channel MOSFET.
TBL2302SOT-23N-channel MOSFET, Galaxy MicroelectronicsN-channel MOSFETSOT-23Galaxy Microelectronics
- What it is
- N-channel MOSFET
- Maker
- Galaxy Microelectronics
- Package
- SOT-23
- Pins
- 3
- Details
- 20V, N Channel MOSFETs
- Source
- Manufacturer datasheet
Is it dead? The meter test is below: N-channel MOSFET.
TBL2302-3LSOT-23N-channel MOSFET, Galaxy MicroelectronicsN-channel MOSFETSOT-23Galaxy Microelectronics
- What it is
- N-channel MOSFET
- Maker
- Galaxy Microelectronics
- Package
- SOT-23
- Pins
- 3
- Details
- 2.8A, 20V, 0.5W, N Channel, Power MOSFETs
- Source
- Manufacturer datasheet
Is it dead? The meter test is below: N-channel MOSFET.
TBL2302WSOT-323N-channel MOSFET, Galaxy MicroelectronicsN-channel MOSFETSOT-323Galaxy Microelectronics
- What it is
- N-channel MOSFET
- Maker
- Galaxy Microelectronics
- Package
- SOT-323
- Pins
- 3
- Details
- 20V, N Channel MOSFETs
- Source
- Manufacturer datasheet
Is it dead? The meter test is below: N-channel MOSFET.
YFW2302TSOT-523YFWNot recordedSOT-523YFW
- What it is
- Not recorded
- Maker
- YFW
- Package
- SOT-523
- Pins
- 3
- Details
- Semiconductor
- Source
- Manufacturer datasheet
Is it dead? The meter test is below: This part.
MTN2302N3SOT-23N-channel MOSFET, CYStekN-channel MOSFETSOT-23CYStek
- What it is
- N-channel MOSFET
- Maker
- CYStek
- Package
- SOT-23
- Pins
- 3
- Details
- 20 V, 3.5 A N-channel MOSFET
- Source
- Manufacturer datasheet
Is it dead? The meter test is below: N-channel MOSFET.
MTN2302S3SOT-323N-channel MOSFET, CYStekN-channel MOSFETSOT-323CYStek
- What it is
- N-channel MOSFET
- Maker
- CYStek
- Package
- SOT-323
- Pins
- 3
- Details
- 20 V, 2.5 A N-channel MOSFET
- Source
- Manufacturer datasheet
Is it dead? The meter test is below: N-channel MOSFET.
FMS2302SOT-23N-channel MOSFET, Formosa MicrosemiN-channel MOSFETSOT-23Formosa Microsemi
- What it is
- N-channel MOSFET
- Maker
- Formosa Microsemi
- Package
- SOT-23
- Pins
- 3
- Details
- MOSFET n-type: Amp, 20V, 2.6A, 1.3W, <85(3.6A), 5.2/15ns
- Source
- Published code list
Is it dead? The meter test is below: N-channel MOSFET.
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.
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