SMD code 012 in SOT-23-6

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.

5 parts in SOT-23-6 are printed 012

Not sure which one you have?

Answer up to 4 quick questions and these 10 parts are ranked, with a meter test that settles it. It works on a dead part too.

AP64012-GVSOT-23-6LDO regulator, 6 pins, Anwell SemiconductorLDO regulator6 pinsAnwell Semiconductor
What it is
LDO regulator
Maker
Anwell Semiconductor
Package
SOT-23-6
Pins
6
Details
Linear voltage regulator IC: LDO, Dual output, Vout1/Vout2=1.8V/3.0V±2%, 250mA, +CE, H-free
Source
Published code list
Is it dead? The meter test is below: Voltage regulator.
AP64012-PVSOT-23-6LDO regulator, 6 pins, Anwell SemiconductorLDO regulator6 pinsAnwell Semiconductor
What it is
LDO regulator
Maker
Anwell Semiconductor
Package
SOT-23-6
Pins
6
Details
Linear voltage regulator IC: LDO, Dual output, Vout1/Vout2=1.8V/3.0V±2%, 250mA, +CE
Source
Published code list
Is it dead? The meter test is below: Voltage regulator.
EC49222-2-B3FSOT-23-6LDO regulator, 6 pins, E-CMOSLDO regulator6 pinsE-CMOS
What it is
LDO regulator
Maker
E-CMOS
Package
SOT-23-6
Pins
6
Details
Linear voltage regulator IC: LDO, Dual out, Vout1/Vout2=1.8V/3.0V±2%, 250mA, +CE, LFr
Source
Published code list
Is it dead? The meter test is below: Voltage regulator.
EC49222-2-B3GSOT-23-6LDO regulator, 6 pins, E-CMOSLDO regulator6 pinsE-CMOS
What it is
LDO regulator
Maker
E-CMOS
Package
SOT-23-6
Pins
6
Details
Linear voltage regulator IC: LDO, Dual out, Vout1/Vout2=1.8V/3.0V±2%, 250mA, +CE, HFr
Source
Published code list
Is it dead? The meter test is below: Voltage regulator.
GS6202RFQFSOT-23-6LDO regulator, 6 pins, Globaltech SemiconductorLDO regulator6 pinsGlobaltech Semiconductor
What it is
LDO regulator
Maker
Globaltech Semiconductor
Package
SOT-23-6
Pins
6
Details
Linear voltage regulator IC: LDO, Dual out, Vout1/Vout2=1.8V/3.0V±2%, 250mA, +CE
Source
Published code list
Is it dead? The meter test is below: Voltage regulator.
5 more parts have no package on record. Nothing rules them out, so they stay.
- AP64012-GULDO regulator, Anwell SemiconductorLDO regulatorNot recordedAnwell Semiconductor
  What it is
  LDO regulator
  Maker
  Anwell Semiconductor
  Package
  Not recorded
  Pins
  Not recorded
  Details
  Linear voltage regulator IC: LDO, Dual out, Vout1/Vout2=1.8V/3.0V±2%, 250mA, +CE, H-free
  Source
  Published code list
  Is it dead? The meter test is below: Voltage regulator.
- AP64012-PULDO regulator, Anwell SemiconductorLDO regulatorNot recordedAnwell Semiconductor
  What it is
  LDO regulator
  Maker
  Anwell Semiconductor
  Package
  Not recorded
  Pins
  Not recorded
  Details
  Linear voltage regulator IC: LDO, Dual out, Vout1/Vout2=1.8V/3.0V±2%, 250mA, +CE
  Source
  Published code list
  Is it dead? The meter test is below: Voltage regulator.
- EC49222-2-FFFLDO regulator, E-CMOSLDO regulatorNot recordedE-CMOS
  What it is
  LDO regulator
  Maker
  E-CMOS
  Package
  Not recorded
  Pins
  Not recorded
  Details
  Linear voltage regulator IC: LDO, Dual out, Vout1/Vout2=1.8V/3.0V±2%, 250mA, +CE, L-free
  Source
  Published code list
  Is it dead? The meter test is below: Voltage regulator.
- EC49222-2-FFGLDO regulator, E-CMOSLDO regulatorNot recordedE-CMOS
  What it is
  LDO regulator
  Maker
  E-CMOS
  Package
  Not recorded
  Pins
  Not recorded
  Details
  Linear voltage regulator IC: LDO, Dual out, Vout1/Vout2=1.8V/3.0V±2%, 250mA, +CE, H-free
  Source
  Published code list
  Is it dead? The meter test is below: Voltage regulator.
- TE22213 pins, Compagnie générale de télégraphie Sans Fil (Thomson-CSF)Not recorded3 pinsCompagnie générale de télégraphie Sans Fil (Thomson-CSF)
  What it is
  Not recorded
  Maker
  Compagnie générale de télégraphie Sans Fil (Thomson-CSF)
  Package
  Not recorded
  Pins
  3
  Details
  equivalent 2N2221
  Source
  Published code list
  Is it dead? The meter test is below: This part.

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.

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.

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.

Printed with a code easy to misread as 012

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 012

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 317 more parts.

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