SMD code P2F
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.
P2F is a capacitor marking
0.2 pF
0.2 pF capacitor
The value is printed in full: 0.2 pF.
Check it with a meter
Lift one end and measure it on a capacitance range. A good one reads close to 0.2 pF. In circuit the meter also sees everything connected across it, so the reading means little until it is out. A failed one usually reads near 0 Ω, or a steady low resistance, on the ohms range, often from a crack. On the board a shorted capacitor shorts its whole rail. A failed reading does not change what to fit: the marking still says 0.2 pF.
On a transistor or diode body (SOT-23-5, SOT-89-5, SOT-89), P2F is a part code instead. Those parts are listed below.
9 parts are printed P2F
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.
MMBT2907Q-CSOT-89Transistor, 3 pins, SeCoSTransistorSOT-893 pinsSeCoS
- What it is
- Transistor
- Maker
- SeCoS
- Package
- SOT-89
- Pins
- 3
- Details
- Bipolar transistor
- Source
- Manufacturer datasheet
Is it dead? The meter test is below: Bipolar transistor.
PXT2907ASOT-89PNP transistor, 3 pins, Galaxy MicroelectronicsPNP transistorSOT-893 pinsGalaxy Microelectronics
- What it is
- PNP transistor
- Maker
- Galaxy Microelectronics
- Package
- SOT-89
- Pins
- 3
- Details
- 60V, 0.6A, General Purpose PNP Bipolar Transistor
- Source
- Manufacturer datasheet
Is it dead? The meter test is below: PNP transistor.
KIC77A263T2SOT-23Voltage supervisor, 3 pins, KECVoltage supervisorSOT-233 pinsKEC
- What it is
- Voltage supervisor
- Maker
- KEC
- Package
- SOT-23
- Pins
- 3
- Details
- Voltage detector IC: 2.63V±1%, -Reset ODO, Rdt=240ms
- Source
- Published code list
Is it dead? The meter test is below: Integrated circuit.
PMBT2907ASOT-23PNP transistor, 3 pins, NXPPNP transistorSOT-233 pinsNXP
- What it is
- PNP transistor
- Maker
- NXP
- Package
- SOT-23
- Pins
- 3
- Details
- 60 V, 600 mA PNP switching transistor
- Source
- Published code list
Is it dead? The meter test is below: PNP transistor.
PZT2907ASOT-223PNP transistor, onsemiPNP transistorSOT-223Not recordedonsemi
- What it is
- PNP transistor
- Maker
- onsemi
- Package
- SOT-223
- Pins
- Not recorded
- Details
- 60V, 0.6A, General Purpose PNP Bipolar Transistor
- Source
- Published code list
Is it dead? The meter test is below: PNP transistor.
PZT2907AT1SOT-2234 pins, onsemiNot recordedSOT-2234 pinsonsemi
- What it is
- Not recorded
- Maker
- onsemi
- Package
- SOT-223
- Pins
- 4
- Source
- Published code list
Is it dead? The meter test is below: This part.
WTM2907ASOT-893 pins, Weitron TechnologyNot recordedSOT-893 pinsWeitron Technology
- What it is
- Not recorded
- Maker
- Weitron Technology
- Package
- SOT-89
- Pins
- 3
- Details
- Si-pnp: GP, 60V, 600mA, 1.2W, B=100..300, >200MHz
- Source
- Published code list
Is it dead? The meter test is below: This part.
XC6368E253MRSOT-23-5DC-DC converter, 5 pins, TorexDC-DC converterSOT-23-55 pinsTorex
- What it is
- DC-DC converter
- Maker
- Torex
- Package
- SOT-23-5
- Pins
- 5
- Details
- DC/DC voltage converter IC: PWM/PFM st-up, 2.5V±2.5%, 200mA, 300kHz, +CE
- Source
- Published code list
Is it dead? The meter test is below: Integrated circuit.
1 more part has no package on record
KIC77A263M2Voltage supervisor, KECVoltage supervisorNot recordedNot recordedKEC
- What it is
- Voltage supervisor
- Maker
- KEC
- Package
- Not recorded
- Pins
- Not recorded
- Details
- Voltage detector IC: 2.63V±1%, -Reset ODO, Rdt=240ms
- Source
- Published code list
Is it dead? The meter test is below: Integrated circuit.
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.
Bipolar transistor
Diode range, part lifted or its base leg off the pad.
Working, it reads
From the base, one probe colour reads about 0.6 to 0.75 V to the emitter and to the collector, and open the other way round. Collector to emitter reads open both ways.
Dead, it reads
- Collector to emitter the same both ways, near 0 V with a continuous beep: shorted. The commonest failure.
- The base the same both ways to another pin, near 0 V or a middling value: a shorted junction.
- Only one junction reads, or none: a junction has failed open. It then looks like a diode.
- A reading the wrong way round, where it should be open: 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 pair of diodes with a common pin reads just like a transistor, and some transistors carry a built-in diode or resistor. The datasheet says which.
A dead part still carries its marking. A short or an open says it has failed, not that it is a different part.
PNP transistor
Diode range, part lifted or its base leg off the pad.
Working, it reads
Black probe on the base reads about 0.6 to 0.75 V to the emitter and to the collector, and open the other way round. Collector to emitter reads open both ways.
Dead, it reads
- Collector to emitter the same both ways, near 0 V with a continuous beep: shorted. The commonest failure.
- The base the same both ways to another pin, near 0 V or a middling value: a shorted junction.
- Only one junction reads, or none: a junction has failed open. It then looks like a diode.
- A reading the wrong way round, where it should be open: 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 pair of diodes with a common pin reads just like a transistor, and some transistors carry a built-in diode or resistor. The datasheet says which.
A dead part still carries its marking. A short or an open says it has failed, not that it is a different part.
Integrated circuit
Voltage with the board powered; ohms from each pin to ground with it off.
Working, it reads
Supply pin at its voltage and the output doing what the datasheet says. Readings between pins depend on the part.
Dead, it reads
- A pin near 0 Ω to ground or to the supply pin where an identical part does not read that: failed short.
- Supply present, output stuck: failed, or its load has.
- On the board:
- A pin shorted to ground on the board can be anything on that net. Lift the pin to be sure.
- Compare:
- The surest reference is the same IC on a working board, measured pin by pin.
- Watch for:
- Its protection diodes can read like junctions between pins, even like a transistor. That proves nothing either way.
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.
Printed with a code easy to misread as P2F
One character differs, and it is one that is easy to confuse under a lamp. Each code has a page of its own.
Codes that begin with P2F
For a marking with its end worn or burnt off. Each code has a page of its own.
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