SMD code SCp
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 SC was searched.
51 parts are printed SCp
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.
2SC5210-CSOT-893 pins, Isahaya ElectronicsNot recordedSOT-893 pinsIsahaya Electronics
- What it is
- Not recorded
- Maker
- Isahaya Electronics
- Package
- SOT-89
- Pins
- 3
- Details
- Si-npn: TV-Vid, 300V, 100mA, 500mW, 80MHz, B=55..110
- Source
- Published code list
Is it dead? The meter test is below: This part.
AP7313-15SRSOT-23LDO regulator, 3 pins, Diodes IncorporatedLDO regulatorSOT-233 pinsDiodes Incorporated
- What it is
- LDO regulator
- Maker
- Diodes Incorporated
- Package
- SOT-23
- Pins
- 3
- Details
- Linear voltage regulator IC: LDO, 1.5V±2%, 150mA
- Source
- Published code list
Is it dead? The meter test is below: Voltage regulator.
ASM809JEURSOT-23Voltage supervisor, 3 pins, Alliance SemiconductorVoltage supervisorSOT-233 pinsAlliance Semiconductor
- What it is
- Voltage supervisor
- Maker
- Alliance Semiconductor
- Package
- SOT-23
- Pins
- 3
- Details
- Voltage detector IC: 4.0V±1.5%, -Reset PPO
- Source
- Published code list
Is it dead? The meter test is below: Integrated circuit.
AX6905CRSOT-23Voltage supervisor, 3 pins, AXElite TechnologyVoltage supervisorSOT-233 pinsAXElite Technology
- What it is
- Voltage supervisor
- Maker
- AXElite Technology
- Package
- SOT-23
- Pins
- 3
- Details
- Voltage detector IC: 4.0V±1.5%, -Reset PPO
- Source
- Published code list
Is it dead? The meter test is below: Integrated circuit.
AX6905HASOT-323Voltage supervisor, 3 pins, AXElite TechnologyVoltage supervisorSOT-3233 pinsAXElite Technology
- What it is
- Voltage supervisor
- Maker
- AXElite Technology
- Package
- SOT-323
- Pins
- 3
- Details
- Voltage detector IC: 2.70V±1.5%, -Reset PPO
- Source
- Published code list
Is it dead? The meter test is below: Integrated circuit.
BB201SOT-233 pins, PhiNot recordedSOT-233 pinsPhi
- What it is
- Not recorded
- Maker
- Phi
- Package
- SOT-23
- Pins
- 3
- Details
- Low Voltage Varicap dual
- Source
- Published code list
Is it dead? The meter test is below: PIN diode or varicap.
CH43H-30PTSOD-3232 pins, Chenmko EnterpriseNot recordedSOD-3232 pinsChenmko Enterprise
- What it is
- Not recorded
- Maker
- Chenmko Enterprise
- Package
- SOD-323
- Pins
- 2
- Details
- Diode: SBD, 30V, 200mA, Vf<1V(200mA), 5ns
- Source
- Published code list
Is it dead? The meter test is below: Silicon diode.
KTC4377-CSOT-89NPN transistor, 3 pins, KECNPN transistorSOT-893 pinsKEC
- What it is
- NPN transistor
- Maker
- KEC
- Package
- SOT-89
- Pins
- 3
- Details
- NPN transistor: Lo-sat, 30V, 2A, 500mW, B=300..450, 150MHz
- Source
- Published code list
Is it dead? The meter test is below: NPN transistor.
LD6919GU-26SOT-363LDO regulator, 6 pins, LeadtrendLDO regulatorSOT-3636 pinsLeadtrend
- What it is
- LDO regulator
- Maker
- Leadtrend
- Package
- SOT-363
- Pins
- 6
- Details
- Linear voltage regulator IC: LDO, Ultra-LN, Soft start, 2.6V±2%, 500mA, +CE
- Source
- Published code list
Is it dead? The meter test is below: Voltage regulator.
NCP303LSN24T1SOT-23-5Voltage supervisor, 5 pins, onsemiVoltage supervisorSOT-23-55 pinsonsemi
- What it is
- Voltage supervisor
- Maker
- onsemi
- Package
- SOT-23-5
- Pins
- 5
- Details
- CMOS-IC: Voltage Detector 2,4V, -Reset Open drain output
- Source
- Published code list
Is it dead? The meter test is below: Integrated circuit.
5 more parts have no package on record
74LV1T86GVNXPNot recordedNot recordedNot recordedNXP
- What it is
- Not recorded
- Maker
- NXP
- Package
- Not recorded
- Pins
- Not recorded
- Details
- CMOS logic IC: 2-input single supply translating EXCLUSIVE-OR gate
- Source
- Published code list
Is it dead? The meter test is below: Integrated circuit.
74LV1T86GWNXPNot recordedNot recordedNot recordedNXP
- What it is
- Not recorded
- Maker
- NXP
- Package
- Not recorded
- Pins
- Not recorded
- Details
- CMOS logic IC: 2-input single supply translating EXCLUSIVE-OR gate
- Source
- Published code list
Is it dead? The meter test is below: Integrated circuit.
74LV1T86GXNXPNot recordedNot recordedNot recordedNXP
- What it is
- Not recorded
- Maker
- NXP
- Package
- Not recorded
- Pins
- Not recorded
- Details
- CMOS logic IC: 2-input single supply translating EXCLUSIVE-OR gate
- Source
- Published code list
Is it dead? The meter test is below: Integrated circuit.
IXD5127C20GNRVoltage supervisor, IXYSVoltage supervisorNot recordedNot recordedIXYS
- What it is
- Voltage supervisor
- Maker
- IXYS
- Package
- Not recorded
- Pins
- Not recorded
- Details
- Voltage detector IC: 2.0V±0.8%,+Reset PPO, -MR, 100ms Rt delay
- Source
- Published code list
Is it dead? The meter test is below: Integrated circuit.
KTC4377NPN transistorNPN transistorNot recordedNot recordedNot recorded
- What it is
- NPN transistor
- Maker
- Not recorded
- Package
- Not recorded
- Pins
- Not recorded
- Source
- Published code list
Is it dead? The meter test is below: NPN transistor.
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.
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.
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.
PIN diode or varicap
Diode range, part lifted or one leg off the pad. Red probe on the anode.
Working, it reads
About 0.6 to 0.9 V anode to cathode, 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.
- 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 varicap that has drifted in capacitance reads normal on a meter. Only a capacitance meter or the tuning itself shows 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.
NPN transistor
Diode range, part lifted or its base leg off the pad.
Working, it reads
Red 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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