SMD code VCp
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 VC was searched.
66 parts are printed VCp
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.
74LVC1G04GWSOT-3535 pins, Philips SemiconductorsNot recordedSOT-3535 pinsPhilips Semiconductors
- What it is
- Not recorded
- Maker
- Philips Semiconductors
- Package
- SOT-353
- Pins
- 5
- Details
- CMOS logic IC: Single inverter
- Source
- Published code list
Is it dead? The meter test is below: Integrated circuit.
AP7365-10SNDFNLDO regulator, Diodes IncorporatedLDO regulatorDFNNot recordedDiodes Incorporated
- What it is
- LDO regulator
- Maker
- Diodes Incorporated
- Package
- DFN
- Pins
- Not recorded
- Details
- Linear voltage regulator IC: LDO, 1.0V±2%, 600mA, +CE
- Source
- Published code list
Is it dead? The meter test is below: Voltage regulator.
AP7365-10WSOT-23-5LDO regulator, 5 pins, Diodes IncorporatedLDO regulatorSOT-23-55 pinsDiodes Incorporated
- What it is
- LDO regulator
- Maker
- Diodes Incorporated
- Package
- SOT-23-5
- Pins
- 5
- Details
- Linear voltage regulator IC: LDO, 1.0V±2%, 600mA, +CE
- Source
- Published code list
Is it dead? The meter test is below: Voltage regulator.
AP7365-10YSOT-89LDO regulator, 3 pins, Diodes IncorporatedLDO regulatorSOT-893 pinsDiodes Incorporated
- What it is
- LDO regulator
- Maker
- Diodes Incorporated
- Package
- SOT-89
- Pins
- 3
- Details
- Linear voltage regulator IC: LDO, 1.0V±2%, 600mA
- Source
- Published code list
Is it dead? The meter test is below: Voltage regulator.
APX803S00-40SASOT-23Voltage supervisor, 3 pins, Diodes IncorporatedVoltage supervisorSOT-233 pinsDiodes Incorporated
- What it is
- Voltage supervisor
- Maker
- Diodes Incorporated
- Package
- SOT-23
- Pins
- 3
- Details
- Voltage detector IC: 4.0V±1.5%, -Reset ODO, Rdt=1.7ms
- Source
- Published code list
Is it dead? The meter test is below: Integrated circuit.
BF1118SOT-1434 pins, NXPNot recordedSOT-1434 pinsNXP
- What it is
- Not recorded
- Maker
- NXP
- Package
- SOT-143
- Pins
- 4
- Details
- n-ch mosfet rf sw + diode
- Source
- Published code list
Is it dead? The meter test is below: N-channel MOSFET.
CHBD3004BPTSOD-1232 pins, Chenmko EnterpriseNot recordedSOD-1232 pinsChenmko Enterprise
- What it is
- Not recorded
- Maker
- Chenmko Enterprise
- Package
- SOD-123
- Pins
- 2
- Details
- Diode: Sw, 350V, 225mA, Vf<1V(100mA), 50ns
- Source
- Published code list
Is it dead? The meter test is below: Silicon diode.
CHT857BTPT-RSOT-416PNP transistor, 3 pins, Chenmko EnterprisePNP transistorSOT-4163 pinsChenmko Enterprise
- What it is
- PNP transistor
- Maker
- Chenmko Enterprise
- Package
- SOT-416
- Pins
- 3
- Details
- PNP transistor: AF, Sw, 45V, 100mA, B=220..475, 100MHz
- Source
- Published code list
Is it dead? The meter test is below: PNP transistor.
FES3DSR TGSMC2 pins, Fagor ElectronicaNot recordedSMC2 pinsFagor Electronica
- What it is
- Not recorded
- Maker
- Fagor Electronica
- Package
- SMC
- Pins
- 2
- Details
- Diode: U-fast recov. rectif, 200V, 3A, Vf<0.9V(3A), <25ns
- Source
- Published code list
Is it dead? The meter test is below: Silicon diode.
6 more parts have no package on record
74LVC1G04GMNXPNot recordedNot recordedNot recordedNXP
- What it is
- Not recorded
- Maker
- NXP
- Package
- Not recorded
- Pins
- Not recorded
- Details
- CMOS logic IC: Single inverter
- Source
- Published code list
Is it dead? The meter test is below: Integrated circuit.
74LVC1G04GNNXPNot recordedNot recordedNot recordedNXP
- What it is
- Not recorded
- Maker
- NXP
- Package
- Not recorded
- Pins
- Not recorded
- Details
- CMOS logic IC: Single inverter
- Source
- Published code list
Is it dead? The meter test is below: Integrated circuit.
74LVC1G04GSNXPNot recordedNot recordedNot recordedNXP
- What it is
- Not recorded
- Maker
- NXP
- Package
- Not recorded
- Pins
- Not recorded
- Details
- CMOS logic IC: Single inverter
- Source
- Published code list
Is it dead? The meter test is below: Integrated circuit.
74LVC1G04GXNXPNot recordedNot recordedNot recordedNXP
- What it is
- Not recorded
- Maker
- NXP
- Package
- Not recorded
- Pins
- Not recorded
- Details
- CMOS logic IC: Single inverter
- Source
- Published code list
Is it dead? The meter test is below: Integrated circuit.
BD46465GVoltage supervisor, ROHMVoltage supervisorNot recordedNot recordedROHM
- What it is
- Voltage supervisor
- Maker
- ROHM
- Package
- Not recorded
- Pins
- Not recorded
- Details
- CMOS-IC: Voltage Detector 4,6V, -Reset Push-pull output, 500ms
- Source
- Published code list
Is it dead? The meter test is below: Integrated circuit.
BF1118WRNXPNot recordedNot recordedNot recordedNXP
- What it is
- Not recorded
- Maker
- NXP
- Package
- Not recorded
- Pins
- Not recorded
- Details
- n-ch mosfet rf sw + diode
- 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.
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.
Voltage regulator
Voltage, board powered, black probe on ground. Then ohms with the power off.
Working, it reads
Input pin at the supply, output pin at its rated voltage, and the enable pin high if it has one.
Dead, it reads
- Output equal to the input: the pass element has shorted. Everything after it may have taken the full input.
- Input present, enable high, no output: failed open, or holding itself off into a shorted load. Power off and measure output to ground.
- Power off, input to output near 0 Ω: shorted.
- On the board:
- An output at 0 V is often a shorted load with the regulator in current limit. Lift the output pin: if the short stays on the board, the regulator may be fine.
- Compare:
- The same regulator on another rail or another board shows the right voltages and the right resistances.
- Watch for:
- Makers put input, output and ground on different pins in the same package, so take them from this part's datasheet. Diode or ohms readings between its pins say little; check it powered.
A dead part still carries its marking. A short or an open says it has failed, not that it is a different part.
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.
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.
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.
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