SMD code N-
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.
114 parts are printed N-
Not sure which one you have?
Answer up to 4 quick questions and these 50 parts are ranked, with a meter test that settles it. It works on a dead part too.
DAN202KSOT-23Switching diode, 3 pins, ROHMSwitching diodeSOT-233 pinsROHM
- What it is
- Switching diode
- Maker
- ROHM
- Package
- SOT-23
- Pins
- 3
- Details
- Switching Diode (High speed switching)
- Source
- Manufacturer datasheet
Is it dead? The meter test is below: Silicon diode.
DAN202KFHSOT-23Switching diode, 3 pins, ROHMSwitching diodeSOT-233 pinsROHM
- What it is
- Switching diode
- Maker
- ROHM
- Package
- SOT-23
- Pins
- 3
- Details
- Switching Diode (High speed switching) (AEC-Q101 qualified)
- Source
- Manufacturer datasheet
Is it dead? The meter test is below: Silicon diode.
DAN202USOT-323Switching diode, 3 pins, Galaxy MicroelectronicsSwitching diodeSOT-3233 pinsGalaxy Microelectronics
- What it is
- Switching diode
- Maker
- Galaxy Microelectronics
- Package
- SOT-323
- Pins
- 3
- Details
- 0.3A, 80V, Surface Mount Small Signal Switching Diodes
- Source
- Manufacturer datasheet
Is it dead? The meter test is below: Silicon diode.
DAN202U-HFSOT-323Switching diode, 3 pins, ComchipSwitching diodeSOT-3233 pinsComchip
- What it is
- Switching diode
- Maker
- Comchip
- Package
- SOT-323
- Pins
- 3
- Details
- 80 V, 100 mA switching diode
- Source
- Manufacturer datasheet
Is it dead? The meter test is below: Silicon diode.
DAN202U-TRSOT-323Switching diode, 3 pins, Galaxy MicroelectronicsSwitching diodeSOT-3233 pinsGalaxy Microelectronics
- What it is
- Switching diode
- Maker
- Galaxy Microelectronics
- Package
- SOT-323
- Pins
- 3
- Details
- 0.3A, 80V, Surface Mount Small Signal Switching Diodes
- Source
- Manufacturer datasheet
Is it dead? The meter test is below: Silicon diode.
DAN222SOT-523Switching diode, 3 pins, Galaxy MicroelectronicsSwitching diodeSOT-5233 pinsGalaxy Microelectronics
- What it is
- Switching diode
- Maker
- Galaxy Microelectronics
- Package
- SOT-523
- Pins
- 3
- Details
- 0.1A, 80V, Surface Mount Small Signal Switching Diodes
- Source
- Manufacturer datasheet
Is it dead? The meter test is below: Silicon diode.
DAN222MSOT-723Switching diode, 3 pins, Galaxy MicroelectronicsSwitching diodeSOT-7233 pinsGalaxy Microelectronics
- What it is
- Switching diode
- Maker
- Galaxy Microelectronics
- Package
- SOT-723
- Pins
- 3
- Details
- 0.1A, 80V, Surface Mount Small Signal Switching Diodes
- Source
- Manufacturer datasheet
Is it dead? The meter test is below: Silicon diode.
DAN222ZMSOT-723Switching diode, 3 pins, ROHMSwitching diodeSOT-7233 pinsROHM
- What it is
- Switching diode
- Maker
- ROHM
- Package
- SOT-723
- Pins
- 3
- Details
- Switching Diode (High speed switching)
- Source
- Manufacturer datasheet
Is it dead? The meter test is below: Silicon diode.
ESD9L5.0CSOD-923ESD protection diode, 2 pins, LeiditechESD protection diodeSOD-9232 pinsLeiditech
- What it is
- ESD protection diode
- Maker
- Leiditech
- Package
- SOD-923
- Pins
- 2
- Details
- ESD protection diode, VRWM 5 V, Cj 0.5 pF
- Source
- Manufacturer datasheet
Is it dead? The meter test is below: TVS or ESD protection diode.
ESD5611N-2SOD-882TVS diode, 2 pins, WillsemiTVS diodeSOD-8822 pinsWillsemi
- What it is
- TVS diode
- Maker
- Willsemi
- Package
- SOD-882
- Pins
- 2
- Source
- Manufacturer datasheet
Is it dead? The meter test is below: TVS or ESD protection diode.
ESD53101N-2SOD-882ESD protection diode, 2 pins, WillsemiESD protection diodeSOD-8822 pinsWillsemi
- What it is
- ESD protection diode
- Maker
- Willsemi
- Package
- SOD-882
- Pins
- 2
- Source
- Manufacturer datasheet
Is it dead? The meter test is below: TVS or ESD protection diode.
ESD56201D20-2DFN1610-2TVS diode, 2 pins, WillsemiTVS diodeDFN1610-22 pinsWillsemi
- What it is
- TVS diode
- Maker
- Willsemi
- Package
- DFN1610-2
- Pins
- 2
- Source
- Manufacturer datasheet
Is it dead? The meter test is below: TVS or ESD protection diode.
ESDALC6V1-1M2SOD-882ESD protection diode, 2 pins, STMicroelectronicsESD protection diodeSOD-8822 pinsSTMicroelectronics
- What it is
- ESD protection diode
- Maker
- STMicroelectronics
- Package
- SOD-882
- Pins
- 2
- Source
- Manufacturer datasheet
Is it dead? The meter test is below: TVS or ESD protection diode.
2 more parts have no package on record
ESD105-B1-02ELESD protection diode, InfineonESD protection diodeNot recordedNot recordedInfineon
- What it is
- ESD protection diode
- Maker
- Infineon
- Package
- Not recorded
- Pins
- Not recorded
- Source
- Manufacturer datasheet
Is it dead? The meter test is below: TVS or ESD protection diode.
ESD105-B1-02ELSESD protection diode, InfineonESD protection diodeNot recordedNot recordedInfineon
- What it is
- ESD protection diode
- Maker
- Infineon
- Package
- Not recorded
- Pins
- Not recorded
- Source
- Manufacturer datasheet
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.
Silicon diode
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
- The same reading both ways round, near 0 V with a continuous beep or the same middling value: shorted.
- Open both ways: failed open.
- A reading the wrong way round as well: leaky.
- 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.
- Watch for:
- A three-pin body can hold two diodes. With a common pin they read two junctions from that pin, just like a transistor; in series they read two drops end to end. Test each pair the datasheet names.
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.
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