SMD code 14 in SOT-363
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.
12 parts in SOT-363 are printed 14
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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.
DTA114EDWSOT-363Digital transistor (PNP, resistors built in), 6 pins, Galaxy MicroelectronicsDigital transistor (PNP, resistors built in)6 pinsGalaxy Microelectronics
- What it is
- Digital transistor (PNP, resistors built in)
- Maker
- Galaxy Microelectronics
- Package
- SOT-363
- Pins
- 6
- Details
- 50V, 50mA, PNP Bipolar Digital Transistor
- Source
- Manufacturer datasheet
Is it dead? The meter test is below: Digital transistor.
FMUN5314DW1SOT-363Digital transistor (resistors built in), 6 pins, Formosa MicrosemiDigital transistor (resistors built in)6 pinsFormosa Microsemi
- What it is
- Digital transistor (resistors built in)
- Maker
- Formosa Microsemi
- Package
- SOT-363
- Pins
- 6
- Source
- Manufacturer datasheet
Is it dead? The meter test is below: Digital transistor.
LMUN5314DW1T1GSOT-363Digital transistor (resistors built in), 6 pins, LRCDigital transistor (resistors built in)6 pinsLRC
- What it is
- Digital transistor (resistors built in)
- Maker
- LRC
- Package
- SOT-363
- Pins
- 6
- Details
- Digital transistor (bias resistors built in), P+N, IC 100 mA, VCEO 50 V
- Source
- Manufacturer datasheet
Is it dead? The meter test is below: Digital transistor.
MUN5314DW1SOT-363Digital transistor (resistors built in), 6 pins, onsemiDigital transistor (resistors built in)6 pinsonsemi
- What it is
- Digital transistor (resistors built in)
- Maker
- onsemi
- Package
- SOT-363
- Pins
- 6
- Details
- Complementary Bias Resistor Transistors R1 = 10 k , R2 = 47 k
- Source
- Manufacturer datasheet
Is it dead? The meter test is below: Digital transistor.
NSVMUN5314DW1SOT-363Digital transistor (resistors built in), 6 pins, onsemiDigital transistor (resistors built in)6 pinsonsemi
- What it is
- Digital transistor (resistors built in)
- Maker
- onsemi
- Package
- SOT-363
- Pins
- 6
- Details
- Complementary Bias Resistor Transistors R1 = 10 k , R2 = 47 k
- Source
- Manufacturer datasheet
Is it dead? The meter test is below: Digital transistor.
S-LMUN5314DW1T1GSOT-363Digital transistor (resistors built in), 6 pins, LRCDigital transistor (resistors built in)6 pinsLRC
- What it is
- Digital transistor (resistors built in)
- Maker
- LRC
- Package
- SOT-363
- Pins
- 6
- Details
- Digital transistor (bias resistors built in), P+N, IC 100 mA, VCEO 50 V
- Source
- Manufacturer datasheet
Is it dead? The meter test is below: Digital transistor.
SMUN5314DWSOT-363Digital transistor (resistors built in), 6 pins, SeCoSDigital transistor (resistors built in)6 pinsSeCoS
- What it is
- Digital transistor (resistors built in)
- Maker
- SeCoS
- Package
- SOT-363
- Pins
- 6
- Details
- Digital (resistor-equipped) transistor
- Source
- Manufacturer datasheet
Is it dead? The meter test is below: Digital transistor.
SMUN5314DW1SOT-363Digital transistor (resistors built in), 6 pins, onsemiDigital transistor (resistors built in)6 pinsonsemi
- What it is
- Digital transistor (resistors built in)
- Maker
- onsemi
- Package
- SOT-363
- Pins
- 6
- Details
- Complementary Bias Resistor Transistors R1 = 10 k , R2 = 47 k
- Source
- Manufacturer datasheet
Is it dead? The meter test is below: Digital transistor.
TDTA114EDWSOT-363Digital transistor (PNP, resistors built in), 6 pins, Galaxy MicroelectronicsDigital transistor (PNP, resistors built in)6 pinsGalaxy Microelectronics
- What it is
- Digital transistor (PNP, resistors built in)
- Maker
- Galaxy Microelectronics
- Package
- SOT-363
- Pins
- 6
- Details
- 50V, 50mA, PNP Bipolar Digital Transistor
- Source
- Manufacturer datasheet
Is it dead? The meter test is below: Digital transistor.
HBCA114YS6RSOT-363Complementary transistor pair (NPN and PNP), 6 pins, CYStekComplementary transistor pair (NPN and PNP)6 pinsCYStek
- What it is
- Complementary transistor pair (NPN and PNP)
- Maker
- CYStek
- Package
- SOT-363
- Pins
- 6
- Details
- NPN+PNP digital (resistor-equipped) transistor, R1 10K/10K, R2 47K/47K
- Source
- Manufacturer datasheet
Is it dead? The meter test is below: Bipolar transistor pair.
MUN5314DWSOT-3636 pins, MotorolaNot recorded6 pinsMotorola
- What it is
- Not recorded
- Maker
- Motorola
- Package
- SOT-363
- Pins
- 6
- Details
- Si-n/p-Digi: Dual, Sw, 50V, 100mA, 200mW, R1/R2=10/47k
- Source
- Published code list
Is it dead? The meter test is below: This part.
MUN5314DW1T1SOT-3636 pins, onsemiNot recorded6 pinsonsemi
- What it is
- Not recorded
- Maker
- onsemi
- Package
- SOT-363
- Pins
- 6
- Source
- Published code list
Is it dead? The meter test is below: This part.
3 more parts have no package on record. Nothing rules them out, so they stay.
ACDBMT140-HFSchottky diode, ComchipSchottky diodeNot recordedComchip
- What it is
- Schottky diode
- Maker
- Comchip
- Package
- Not recorded
- Pins
- Not recorded
- Details
- 40 V, 1 A Schottky barrier diode
- Source
- Manufacturer datasheet
Is it dead? The meter test is below: Schottky diode.
ASS14HS-HFSchottky diode, ComchipSchottky diodeNot recordedComchip
- What it is
- Schottky diode
- Maker
- Comchip
- Package
- Not recorded
- Pins
- Not recorded
- Details
- 40 V, 1 A Schottky barrier diode
- Source
- Manufacturer datasheet
Is it dead? The meter test is below: Schottky diode.
CDBMT140-HFSchottky diode, ComchipSchottky diodeNot recordedComchip
- What it is
- Schottky diode
- Maker
- Comchip
- Package
- Not recorded
- Pins
- Not recorded
- Details
- 40 V, 1 A Schottky barrier diode
- 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.
Digital transistor
Ohms range, part lifted. The datasheet gives the built-in resistors: R1 in series with the base, R2 from base to emitter.
Working, it reads
Base to emitter reads about R1 plus R2 either way round, about 20 kΩ on a 10 k and 10 k part, give or take their wide tolerance. Collector to emitter reads open. A part with no R2 reads a junction behind R1 one way instead.
Dead, it reads
- Collector to emitter the same both ways, near 0 Ω with a continuous beep: shorted.
- From the base, open or far above R1 plus R2: R1 has failed. Static damage shows here most often.
- Base to emitter near 0 Ω: failed short.
- 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:
- The readings depend on the resistor values, so an identical part elsewhere on the board is the surest reference. Measure it the same way.
- Watch for:
- On the diode range a good part with 10 kΩ resistors reads open on every pair, so a good part looks dead there. Use the ohms range.
A dead part still carries its marking. A short or an open says it has failed, not that it is a different part.
Digital transistor
Ohms range, part lifted. The datasheet gives the built-in resistors: R1 in series with the base, R2 from base to emitter.
Working, it reads
Base to emitter reads about R1 plus R2 either way round, about 20 kΩ on a 10 k and 10 k part, give or take their wide tolerance. Collector to emitter reads open. A part with no R2 reads a junction behind R1 one way instead.
Dead, it reads
- Collector to emitter the same both ways, near 0 Ω with a continuous beep: shorted.
- From the base, open or far above R1 plus R2: R1 has failed. Static damage shows here most often.
- Base to emitter near 0 Ω: failed short.
- 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:
- The readings depend on the resistor values, so an identical part elsewhere on the board is the surest reference. Measure it the same way.
- Watch for:
- On the diode range a good part with 10 kΩ resistors reads open on every pair, so a good part looks dead there. Use the ohms range.
A dead part still carries its marking. A short or an open says it has failed, not that it is a different part.
Bipolar transistor pair
Diode range, part lifted. Test each transistor on its own pins, as the datasheet's pinout gives them.
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.
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.
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.
Printed with a code easy to misread as 14
One character differs, and it is one that is easy to confuse under a lamp. Each code has a page of its own.
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