SMD code S9p
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.
The last letter, p, is lower case, which on NXP and Philips parts is a date or factory code, so it was set aside and S9 was searched.
57 parts are printed S9p
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.
GSBAT46MSOD-523Schottky diode, 2 pins, Good-ArkSchottky diodeSOD-5232 pinsGood-Ark
- What it is
- Schottky diode
- Maker
- Good-Ark
- Package
- SOD-523
- Pins
- 2
- Details
- Schottky diode, 100 V, 150 mA
- Source
- Manufacturer datasheet
Is it dead? The meter test is below: Schottky diode.
GSBAT46WSOD-123Schottky diode, 2 pins, Good-ArkSchottky diodeSOD-1232 pinsGood-Ark
- What it is
- Schottky diode
- Maker
- Good-Ark
- Package
- SOD-123
- Pins
- 2
- Details
- Schottky diode, 100 V, 150 mA
- Source
- Manufacturer datasheet
Is it dead? The meter test is below: Schottky diode.
GSBAT46WSSOD-323Schottky diode, 2 pins, Good-ArkSchottky diodeSOD-3232 pinsGood-Ark
- What it is
- Schottky diode
- Maker
- Good-Ark
- Package
- SOD-323
- Pins
- 2
- Details
- Schottky diode, 100 V, 150 mA
- Source
- Manufacturer datasheet
Is it dead? The meter test is below: Schottky diode.
MBRX190SOD-123FSchottky diode, 2 pins, Galaxy MicroelectronicsSchottky diodeSOD-123F2 pinsGalaxy Microelectronics
- What it is
- Schottky diode
- Maker
- Galaxy Microelectronics
- Package
- SOD-123F
- Pins
- 2
- Details
- 1A, 90V, Surface Mount Schottky Barrier Rectifiers
- Source
- Manufacturer datasheet
Is it dead? The meter test is below: Schottky diode.
RB500V-40SOD-323Schottky diode, 2 pins, Taiwan SemiconductorSchottky diodeSOD-3232 pinsTaiwan Semiconductor
- What it is
- Schottky diode
- Maker
- Taiwan Semiconductor
- Package
- SOD-323
- Pins
- 2
- Details
- 0.1A, 40V, Surface Mount Small Signal Schottky Diodes
- Source
- Manufacturer datasheet
Is it dead? The meter test is below: Schottky diode.
SD107WSSOD-323Schottky diode, 2 pins, PanjitSchottky diodeSOD-3232 pinsPanjit
- What it is
- Schottky diode
- Maker
- Panjit
- Package
- SOD-323
- Pins
- 2
- Details
- Schottky diode, 30 V
- Source
- Manufacturer datasheet
Is it dead? The meter test is below: Schottky diode.
SD107WS-AUSOD-323Schottky diode, 2 pins, PanjitSchottky diodeSOD-3232 pinsPanjit
- What it is
- Schottky diode
- Maker
- Panjit
- Package
- SOD-323
- Pins
- 2
- Source
- Manufacturer datasheet
Is it dead? The meter test is below: Schottky diode.
SLP74AUP1G07KMTRSOT-3535 pins, SilanNot recordedSOT-3535 pinsSilan
- What it is
- Not recorded
- Maker
- Silan
- Package
- SOT-353
- Pins
- 5
- Source
- Manufacturer datasheet
Is it dead? The meter test is below: This part.
SS29SMBSchottky diode, 2 pins, Taitron ComponentsSchottky diodeSMB2 pinsTaitron Components
- What it is
- Schottky diode
- Maker
- Taitron Components
- Package
- SMB
- Pins
- 2
- Details
- Surface Mount Schottky Rectifiers
- Source
- Manufacturer datasheet
Is it dead? The meter test is below: Schottky diode.
SSM08150SGPSOD-123Schottky diode, 2 pins, ChenmkoSchottky diodeSOD-1232 pinsChenmko
- What it is
- Schottky diode
- Maker
- Chenmko
- Package
- SOD-123
- Pins
- 2
- Details
- SCHOTTKY BARRIER RECTIFIER, 150 V, 0.8 A
- Source
- Manufacturer datasheet
Is it dead? The meter test is below: Schottky diode.
TMBRX190SOD-123FSchottky diode, 2 pins, Galaxy MicroelectronicsSchottky diodeSOD-123F2 pinsGalaxy Microelectronics
- What it is
- Schottky diode
- Maker
- Galaxy Microelectronics
- Package
- SOD-123F
- Pins
- 2
- Details
- 1A, 90V, Surface Mount Schottky Barrier Rectifiers
- Source
- Manufacturer datasheet
Is it dead? The meter test is below: Schottky diode.
4 more parts have no package on record
FPF2195P-channel MOSFET, onsemiP-channel MOSFETNot recordedNot recordedonsemi
- What it is
- P-channel MOSFET
- Maker
- onsemi
- Package
- Not recorded
- Pins
- Not recorded
- Details
- Full Function Load Switch - with Adjustable Current Limit
- Source
- Manufacturer datasheet
Is it dead? The meter test is below: P-channel MOSFET.
SCN-2-11+RF power splitter, Mini-CircuitsRF power splitterNot recordedNot recordedMini-Circuits
- What it is
- RF power splitter
- Maker
- Mini-Circuits
- Package
- Not recorded
- Pins
- Not recorded
- Details
- RF power splitter/combiner, 800-1175 MHz
- Source
- Manufacturer datasheet
Is it dead? The meter test is below: This part.
SS19Schottky diode, Taitron ComponentsSchottky diodeNot recordedNot recordedTaitron Components
- What it is
- Schottky diode
- Maker
- Taitron Components
- Package
- Not recorded
- Pins
- Not recorded
- Details
- Surface Mount Schottky Rectifiers
- Source
- Manufacturer datasheet
Is it dead? The meter test is below: Schottky diode.
SS39Schottky diode, Taitron ComponentsSchottky diodeNot recordedNot recordedTaitron Components
- What it is
- Schottky diode
- Maker
- Taitron Components
- Package
- Not recorded
- Pins
- Not recorded
- Details
- Surface Mount Schottky Rectifiers
- Source
- Manufacturer datasheet
Is it dead? The meter test is below: Schottky 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.
P-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 drain, black on the source: 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. 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.
Schottky diode
Diode range, part lifted or one leg off the pad. Red probe on the anode.
Working, it reads
About 0.15 to 0.45 V anode to cathode, roughly half a silicon diode, and open the other way.
Dead, it reads
- The same reading both ways round, near 0 V with a continuous beep or the same middling value: shorted.
- A reading the wrong way round as well: leaky.
- Open both ways: failed open.
- 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 large Schottky can read about 0.1 V forward and beep like a short, and leaks a little the wrong way when good, more when warm. It is shorted only if it reads the same both ways. Measure it cold, beside an identical cold one.
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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