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SMD code 22G in SMA

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.

1 part in SMA is printed 22G

Not sure which one you have?

Answer up to 4 quick questions and these 15 parts are ranked, with a meter test that settles it. It works on a dead part too.

  • F1C2260SMA2 pins, OrgNot recorded2 pinsOrg
    What it is
    Not recorded
    Maker
    Org
    Package
    SMA
    Pins
    2
    Details
    TVS: 208V, 600mA,500W(1ms)
    Source
    Published code list

    Is it dead? The meter test is below: TVS or ESD protection diode.

  • 14 more parts have no package on record. Nothing rules them out, so they stay.
    • SGM2236-4.2XTDI6GLDO regulator, 6 pins, SG MicroLDO regulator6 pinsSG Micro
      What it is
      LDO regulator
      Maker
      SG Micro
      Package
      Not recorded
      Pins
      6
      Details
      4.2 V output, 40V, 200mA, Low Quiescent Current and Low Dropout Voltage Linear Regulator
      Source
      Manufacturer datasheet

      Is it dead? The meter test is below: Voltage regulator.

    • AP6213A-21UHNGSLDO 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, 2.1V±2%, 300mA, +CE, PUR, H-free
      Source
      Published code list

      Is it dead? The meter test is below: Voltage regulator.

    • AP6213A-21UHNGS1LDO 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, 2.1V±1%, 300mA, +CE, PUR, H-free
      Source
      Published code list

      Is it dead? The meter test is below: Voltage regulator.

    • AP6213A-21UHNGULDO 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, 2.1V±2%, 300mA. +CE, PUR, H-free
      Source
      Published code list

      Is it dead? The meter test is below: Voltage regulator.

    • AP6213A-21UHNGU1LDO 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, 2.1V±1%, 300mA. +CE, PUR, H-free
      Source
      Published code list

      Is it dead? The meter test is below: Voltage regulator.

    • AP6213A-21UHNGWLDO 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, 2.1V±2%, 300mA, +CE, PUR, H-free
      Source
      Published code list

      Is it dead? The meter test is below: Voltage regulator.

    • AP6213A-21UHNGW1LDO 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, 2.1V±1%, 300mA, +CE, PUR, H-free
      Source
      Published code list

      Is it dead? The meter test is below: Voltage regulator.

    • AP6213A-21UHNPSLDO 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, 2.1V±2%, 300mA, +CE, PUR
      Source
      Published code list

      Is it dead? The meter test is below: Voltage regulator.

    • AP6213A-21UHNPS1LDO 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, 2.1V±1%, 300mA, +CE, PUR
      Source
      Published code list

      Is it dead? The meter test is below: Voltage regulator.

    • AP6213A-21UHNPULDO 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, 2.1V±2%, 300mA. +CE, PUR
      Source
      Published code list

      Is it dead? The meter test is below: Voltage regulator.

    • AP6213A-21UHNPU1LDO 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, 2.1V±1%, 300mA. +CE, PUR
      Source
      Published code list

      Is it dead? The meter test is below: Voltage regulator.

    • AP6213A-21UHNPWLDO 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, 2.1V±2%, 300mA, +CE, PUR
      Source
      Published code list

      Is it dead? The meter test is below: Voltage regulator.

    • AP6213A-21UHNPW1LDO 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, 2.1V±1%, 300mA, +CE, PUR
      Source
      Published code list

      Is it dead? The meter test is below: Voltage regulator.

    • S-1335F16-A4T2U34 pins, ABLICNot recorded4 pinsABLIC
      What it is
      Not recorded
      Maker
      ABLIC
      Package
      Not recorded
      Pins
      4
      Details
      equivalent [1.6V LDO]
      Source
      Published code list

      Is it dead? The meter test is below: Voltage regulator.

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.

TVS or ESD protection diode

Diode range, from the protected line to ground, part lifted if you can.

Working, it reads

A one-way part reads about 0.6 to 0.8 V forward and open in reverse. A two-way part reads open both ways. Arrays with several lines read as the datasheet's diagram draws them.

Dead, it reads

  • From the line to ground, the same reading both ways, near 0 V with a continuous beep: shorted.
  • A reading both ways on a one-way part: leaky.
  • A one-way part open both ways: failed open.
On the board
, a line reading shorted to ground can be this part or anything else on that line. Lift it: if the short goes with it, it has failed.
Compare:
The same part on the next line or connector pin is the healthy reading to compare with.
Watch for:
A two-way part reads open both ways when it is good, exactly like one that has failed open. The meter cannot tell them apart; an identical part on the next line can.

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.

Printed with a code easy to misread as 22G

One character differs, and it is one that is easy to confuse under a lamp. Each code has a page of its own.

Codes not listed here are printed on 13 more parts.

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