SMD code 36K
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.
36K on a chip resistor
36 kΩ
36 kΩ resistor
The K is both the decimal point and the multiplier: 36 kΩ.
Check it with a meter
Lift one end and measure across it. A good one reads 36 kΩ. Measuring it in circuit reads the parallel combination of everything around it, which is almost always lower, never higher: well above 36 kΩ on the board is a fault. Open, or well above 36 kΩ, means it has failed: burnt, cracked or corroded. That does not change what to fit: the marking still says 36 kΩ. A burnt resistor usually means the part it feeds drew too much, so find that before fitting a new one.
On a transistor or diode body (USP-6B, SOT-23-5, SOT-353), 36K is a part code instead. Those parts are listed below.
8 parts are printed 36K
Not sure which one you have?
Answer up to 4 quick questions and these 8 parts are ranked, with a meter test that settles it. It works on a dead part too.
WM03DN06DSOT-3636 pins, WayonNot recordedSOT-3636 pinsWayon
- What it is
- Not recorded
- Maker
- Wayon
- Package
- SOT-363
- Pins
- 6
- Details
- MOSFET
- Source
- Manufacturer datasheet
Is it dead? The meter test is below: MOSFET.
TK71736SSOT-23-55 pins, TokNot recordedSOT-23-55 pinsTok
- What it is
- Not recorded
- Maker
- Tok
- Package
- SOT-23-5
- Pins
- 5
- Details
- VR-IC: LDO, CE, 3,6V±1,5%, 300mA
- Source
- Published code list
Is it dead? The meter test is below: Voltage regulator.
XC6104B218MRSOT-23-5Voltage supervisor, 5 pins, TorexVoltage supervisorSOT-23-55 pinsTorex
- What it is
- Voltage supervisor
- Maker
- Torex
- Package
- SOT-23-5
- Pins
- 5
- Details
- CMOS-IC: VDet 1.8V, 5%, Hst, ±Reset PPO, Wt=50ms, Rt=25ms
- Source
- Published code list
Is it dead? The meter test is below: Integrated circuit.
XC6104B248MRSOT-23-5Voltage supervisor, 5 pins, TorexVoltage supervisorSOT-23-55 pinsTorex
- What it is
- Voltage supervisor
- Maker
- Torex
- Package
- SOT-23-5
- Pins
- 5
- Details
- CMOS-IC: VDet 4.8V, 5%, Hst, ±Reset PPO, Wt=50ms, Rt=25ms
- Source
- Published code list
Is it dead? The meter test is below: Integrated circuit.
XC6203P482FRSOT-223TorexNot recordedSOT-223Not recordedTorex
- What it is
- Not recorded
- Maker
- Torex
- Package
- SOT-223
- Pins
- Not recorded
- Details
- VR-IC: Int. current limiter, 4.8V±2%, 400mA
- Source
- Published code list
Is it dead? The meter test is below: Integrated circuit.
XC6203P482MRSOT-233 pins, TorexNot recordedSOT-233 pinsTorex
- What it is
- Not recorded
- Maker
- Torex
- Package
- SOT-23
- Pins
- 3
- Details
- VR-IC: Int. current limiter, 4.8V±2%, 400mA
- Source
- Published code list
Is it dead? The meter test is below: Integrated circuit.
XC6203P482PRSOT-893 pins, TorexNot recordedSOT-893 pinsTorex
- What it is
- Not recorded
- Maker
- Torex
- Package
- SOT-89
- Pins
- 3
- Details
- VR-IC: Int. current limiter, 4.8V±2%, 400mA
- Source
- Published code list
Is it dead? The meter test is below: Integrated circuit.
XC6372E672PSOT-89-5DC-DC converter, 5 pins, TorexDC-DC converterSOT-89-55 pinsTorex
- What it is
- DC-DC converter
- Maker
- Torex
- Package
- SOT-89-5
- Pins
- 5
- Details
- DC/DC voltage converter IC: PWM/PFM st-up, 180kHz, 6.7V±2.5%, 100mA, int. Vdd
- 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.
MOSFET
Diode range, part lifted. Test drain to source first, then short gate to source and test again.
Working, it reads
One way between drain and source reads about 0.4 to 0.9 V, the body diode, and the other way open. The gate reads open to both other pins.
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.
- No body diode at all: failed open.
- On the board
- the gate usually has a resistor to the source, which reads as that resistor and 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.
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.
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.
Printed with a code easy to misread as 36K
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 36K
For a marking with its end worn or burnt off. Each code has a page of its own.
- 3CKF1
- 3CK011
- 3CK021
- 3CK031
- 3CK041
- 3CK051
- 3CK071
- 3CK081
- 3CK091
- 3CK101
- 3CK111
- 3CK121
- 3CK131
- 3CK141
- 3CK151
- 3CK161
- 3CK171
- 3CK181
- 3CK191
- 3CK201
- 3CK211
- 3CK221
- 3CK231
Codes not listed here are printed on 31 more parts.
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