SMD code A6
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.
18 parts are printed A6
Not sure which one you have?
Answer up to 4 quick questions and these 18 parts are ranked, with a meter test that settles it. It works on a dead part too.
AO3406SOT-23MOSFET, 3 pins, Alpha & Omega SemiconductorMOSFETSOT-233 pinsAlpha & Omega Semiconductor
- What it is
- MOSFET
- Maker
- Alpha & Omega Semiconductor
- Package
- SOT-23
- Pins
- 3
- Details
- Low-voltage (12-30 V) MOSFET
- Source
- From the manufacturer's datasheet
Is it dead? The meter test is below: MOSFET.
AO3406LSOT-23MOSFET, 3 pins, Alpha & Omega SemiconductorMOSFETSOT-233 pinsAlpha & Omega Semiconductor
- What it is
- MOSFET
- Maker
- Alpha & Omega Semiconductor
- Package
- SOT-23
- Pins
- 3
- Details
- Low-voltage (12-30 V) MOSFET
- Source
- From the manufacturer's datasheet
Is it dead? The meter test is below: MOSFET.
BAS16SOT-23Switching diode, 3 pins, InfineonSwitching diodeSOT-233 pinsInfineon
- What it is
- Switching diode
- Maker
- Infineon
- Package
- SOT-23
- Pins
- 3
- Pinout
- 1 anode
- 2 not connected
- 3 cathode
- Details
- Surface-mount fast switching diode
- Source
- From the manufacturer's datasheet
Is it dead? The meter test is below: Silicon diode.
BAS16-AUSOT-23Switching diode, 3 pins, PanjitSwitching diodeSOT-233 pinsPanjit
- What it is
- Switching diode
- Maker
- Panjit
- Package
- SOT-23
- Pins
- 3
- Source
- From the manufacturer's datasheet
Is it dead? The meter test is below: Silicon diode.
BAS16HSOT-23Switching diode, 3 pins, Taiwan SemiconductorSwitching diodeSOT-233 pinsTaiwan Semiconductor
- What it is
- Switching diode
- Maker
- Taiwan Semiconductor
- Package
- SOT-23
- Pins
- 3
- Details
- High-speed switching diode, single
- Source
- From the manufacturer's datasheet
Is it dead? The meter test is below: Silicon diode.
BAS16TSOT-416Switching diode, 3 pins, NexperiaSwitching diodeSOT-4163 pinsNexperia
- What it is
- Switching diode
- Maker
- Nexperia
- Package
- SOT-416
- Pins
- 3
- Details
- High-speed switching diode, single
- Source
- From the manufacturer's datasheet
Is it dead? The meter test is below: Silicon diode.
BAS16WSOT-323Switching diode, 3 pins, DiotecSwitching diodeSOT-3233 pinsDiotec
- What it is
- Switching diode
- Maker
- Diotec
- Package
- SOT-323
- Pins
- 3
- Pinout
- 1 anode
- 2 not connected
- 3 cathode
- Details
- SMD Small Signal Diodes
- Source
- From the manufacturer's datasheet
Is it dead? The meter test is below: Silicon diode.
BAS16W-AUSOT-323Switching diode, 3 pins, PanjitSwitching diodeSOT-3233 pinsPanjit
- What it is
- Switching diode
- Maker
- Panjit
- Package
- SOT-323
- Pins
- 3
- Source
- From the manufacturer's datasheet
Is it dead? The meter test is below: Silicon diode.
BAS16WXSOD-323Switching diode, 2 pins, JSCJSwitching diodeSOD-3232 pinsJSCJ
- What it is
- Switching diode
- Maker
- JSCJ
- Package
- SOD-323
- Pins
- 2
- Details
- Switching diode, 75 V, 100 mA
- Source
- From the manufacturer's datasheet
Is it dead? The meter test is below: Silicon diode.
BAS16XSOD-523Switching diode, 2 pins, JSCJSwitching diodeSOD-5232 pinsJSCJ
- What it is
- Switching diode
- Maker
- JSCJ
- Package
- SOD-523
- Pins
- 2
- Details
- Switching diode, 75 V, 200 mA
- Source
- From the manufacturer's datasheet
Is it dead? The meter test is below: Silicon diode.
BAS316SOD-323Switching diode, 2 pins, NexperiaSwitching diodeSOD-3232 pinsNexperia
- What it is
- Switching diode
- Maker
- Nexperia
- Package
- SOD-323
- Pins
- 2
- Pinout
- 1 cathode
- 2 anode
- Details
- Switching diode, 75 V, 250 mA
- Source
- From the manufacturer's datasheet
Is it dead? The meter test is below: Silicon diode.
BAS316WSSOD-323Switching diode, 2 pins, DiotecSwitching diodeSOD-3232 pinsDiotec
- What it is
- Switching diode
- Maker
- Diotec
- Package
- SOD-323
- Pins
- 2
- Details
- SMD Small Signal Diodes
- Source
- From the manufacturer's datasheet
Is it dead? The meter test is below: Silicon diode.
BAV16WSOD-123Switching diode, 2 pins, PanjitSwitching diodeSOD-1232 pinsPanjit
- What it is
- Switching diode
- Maker
- Panjit
- Package
- SOD-123
- Pins
- 2
- Details
- Surface-mount fast switching diode
- Source
- From the manufacturer's datasheet
Is it dead? The meter test is below: Silicon diode.
MMSZ5262BSOD-123FZener diode, 2 pins, DiotecZener diodeSOD-123F2 pinsDiotec
- What it is
- Zener diode
- Maker
- Diotec
- Package
- SOD-123F
- Pins
- 2
- Details
- SMD Planar Zener Diodes
- Source
- From the manufacturer's datasheet
Is it dead? The meter test is below: Zener diode.
PMEG2020EHSOD-123FSchottky diode, 2 pins, NexperiaSchottky diodeSOD-123F2 pinsNexperia
- What it is
- Schottky diode
- Maker
- Nexperia
- Package
- SOD-123F
- Pins
- 2
- Details
- 20 V, 2 A very low VF Schottky barrier rectifier
- Source
- From the manufacturer's datasheet
Is it dead? The meter test is below: Schottky diode.
TPS3831G18DQNX2SONVoltage supervisor, 4 pins, Texas InstrumentsVoltage supervisorX2SON4 pinsTexas Instruments
- What it is
- Voltage supervisor
- Maker
- Texas Instruments
- Package
- X2SON
- Pins
- 4
- Details
- 150-nA, Ultralow Power, Supply Voltage Monitor
- Source
- From the manufacturer's datasheet
Is it dead? The meter test is below: Integrated circuit.
2 more parts have no package on record
BAS16-02LSwitching diode, InfineonSwitching diodeNot recordedNot recordedInfineon
- What it is
- Switching diode
- Maker
- Infineon
- Package
- Not recorded
- Pins
- Not recorded
- Source
- From the manufacturer's datasheet
Is it dead? The meter test is below: Silicon diode.
BAS16SSwitching diode, InfineonSwitching diodeNot recordedNot recordedInfineon
- What it is
- Switching diode
- Maker
- Infineon
- Package
- Not recorded
- Pins
- Not recorded
- Source
- From the manufacturer's datasheet
Is it dead? The meter test is below: Silicon 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.
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.
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.
Zener diode
Diode range for the forward check, part lifted, red probe on the anode. A bench supply for the Zener voltage.
Working, it reads
About 0.6 to 0.8 V forward and open in reverse on the diode range. Its Zener voltage shows only on a supply: feed it through a resistor that sets about 5 mA, cathode to positive, read quickly, and it should hold near its rated voltage.
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, forward too: failed open.
- Holds well off its rated voltage on the supply test: drifted.
- A soft knee, or a voltage that creeps on the supply test: 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 meter's diode range stops at about 2 to 3 V, so almost every Zener reads open in reverse on it, good or bad; a 3 V meter may just show a 2.4 or 2.7 V part. Above about 3 V the meter cannot tell a Zener from a plain diode.
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.
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 A6
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 A6
For a marking with its end worn or burnt off. Each code has a page of its own.
Codes not listed here are printed on 47 more parts.
Open this in the search to correct a character or try another package.