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SMD code L26

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.

Not sure which one you have?

Answer up to 4 quick questions and these 23 parts are ranked, with a meter test that settles it. It works on a dead part too.

  • APL3526DFNLoad switch, AnpecLoad switchDFNNot recordedAnpec
    What it is
    Load switch
    Maker
    Anpec
    Package
    DFN
    Pins
    Not recorded
    Details
    Ultra-Low On-Resistance, 6A Load Switch with Soft Start
    Source
    Manufacturer datasheet

    Is it dead? The meter test is below: Load switch.

  • KIC73E26MSOT-23Voltage supervisor, 3 pins, KECVoltage supervisorSOT-233 pinsKEC
    What it is
    Voltage supervisor
    Maker
    KEC
    Package
    SOT-23
    Pins
    3
    Details
    CMOS system reset IC with delay time, 2.6 V detection
    Source
    Manufacturer datasheet

    Is it dead? The meter test is below: Integrated circuit.

  • KIC73E26TSOT-23Voltage supervisor, 3 pins, KECVoltage supervisorSOT-233 pinsKEC
    What it is
    Voltage supervisor
    Maker
    KEC
    Package
    SOT-23
    Pins
    3
    Details
    CMOS system reset IC with delay time, 2.6 V detection
    Source
    Manufacturer datasheet

    Is it dead? The meter test is below: Integrated circuit.

  • LM4041DICT-1.2SOT-353Voltage reference, 5 pins, STMicroelectronicsVoltage referenceSOT-3535 pinsSTMicroelectronics
    What it is
    Voltage reference
    Maker
    STMicroelectronics
    Package
    SOT-353
    Pins
    5
    Source
    Manufacturer datasheet

    Is it dead? The meter test is below: Integrated circuit.

  • LM4041DILT-1.2SOT-23Voltage reference, 3 pins, STMicroelectronicsVoltage referenceSOT-233 pinsSTMicroelectronics
    What it is
    Voltage reference
    Maker
    STMicroelectronics
    Package
    SOT-23
    Pins
    3
    Source
    Manufacturer datasheet

    Is it dead? The meter test is below: Integrated circuit.

  • MBRX260LSOD-123FSchottky diode, 2 pins, Galaxy MicroelectronicsSchottky diodeSOD-123F2 pinsGalaxy Microelectronics
    What it is
    Schottky diode
    Maker
    Galaxy Microelectronics
    Package
    SOD-123F
    Pins
    2
    Details
    2A, 60V, Surface Mount Schottky Barrier Rectifiers
    Source
    Manufacturer datasheet

    Is it dead? The meter test is below: Schottky diode.

  • MBRXF260LSOD-123FSchottky diode, 2 pins, Galaxy MicroelectronicsSchottky diodeSOD-123F2 pinsGalaxy Microelectronics
    What it is
    Schottky diode
    Maker
    Galaxy Microelectronics
    Package
    SOD-123F
    Pins
    2
    Details
    2A, 60V, Surface Mount Schottky Barrier Rectifiers
    Source
    Manufacturer datasheet

    Is it dead? The meter test is below: Schottky diode.

  • 82C26-AE3-5SOT-23Voltage supervisor, 3 pins, UnisonicVoltage supervisorSOT-233 pinsUnisonic
    What it is
    Voltage supervisor
    Maker
    Unisonic
    Package
    SOT-23
    Pins
    3
    Details
    Voltage detector IC: 2.6V±2% -Reset PPO
    Source
    Published code list

    Is it dead? The meter test is below: Integrated circuit.

  • 82C26-AF5-BSOT-23-5Voltage supervisor, 5 pins, UnisonicVoltage supervisorSOT-23-55 pinsUnisonic
    What it is
    Voltage supervisor
    Maker
    Unisonic
    Package
    SOT-23-5
    Pins
    5
    Details
    Voltage detector IC: 2.6V±2% -Reset PPO
    Source
    Published code list

    Is it dead? The meter test is below: Integrated circuit.

  • GS810CREUASOT-23Voltage supervisor, 3 pins, VishayVoltage supervisorSOT-233 pinsVishay
    What it is
    Voltage supervisor
    Maker
    Vishay
    Package
    SOT-23
    Pins
    3
    Details
    CMOS-IC: Voltage Detector 2,63V, Reset Push-pull output, 1,5ms
    Source
    Published code list

    Is it dead? The meter test is below: Integrated circuit.

  • HD74LV2G126AUSSSOPRenesasNot recordedSSOPNot recordedRenesas
    What it is
    Not recorded
    Maker
    Renesas
    Package
    SSOP
    Pins
    Not recorded
    Details
    CMOS logic IC: Dual bus buffer with 3-state output
    Source
    Published code list

    Is it dead? The meter test is below: Integrated circuit.

  • RP112N261DSOT-23-5LDO regulator, 5 pins, RicohLDO regulatorSOT-23-55 pinsRicoh
    What it is
    LDO regulator
    Maker
    Ricoh
    Package
    SOT-23-5
    Pins
    5
    Details
    Linear voltage regulator IC: LDO, 2.6V±1%, 150mA, +CE, CL
    Source
    Published code list

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

  • SMLG26SMCGTVS diode, 2 pins, Microsemi Integrated Products DivisionTVS diodeSMCG2 pinsMicrosemi Integrated Products Division
    What it is
    TVS diode
    Maker
    Microsemi Integrated Products Division
    Package
    SMCG
    Pins
    2
    Details
    Transient voltage supressor: Vrwm=26V, Vbr=28.9..35.3V, Ipp=64.4A, 3000W(1ms)
    Source
    Published code list

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

  • SMLJ26SMCTVS diode, 2 pins, Microsemi Integrated Products DivisionTVS diodeSMC2 pinsMicrosemi Integrated Products Division
    What it is
    TVS diode
    Maker
    Microsemi Integrated Products Division
    Package
    SMC
    Pins
    2
    Details
    TVS: 26V, 64.4A, 3000W(1ms)
    Source
    Published code list

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

  • 1 more part has no package on record
    • LEE2-6+RF amplifier (MMIC), Mini-CircuitsRF amplifier (MMIC)Not recordedNot recordedMini-Circuits
      What it is
      RF amplifier (MMIC)
      Maker
      Mini-Circuits
      Package
      Not recorded
      Pins
      Not recorded
      Details
      MMIC amplifier, DC-7 GHz
      Source
      Manufacturer datasheet

      Is it dead? The meter test is below: RF amplifier.

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.

Load switch

Voltage, board powered, black probe on ground.

Working, it reads

Switched on, the output pin sits at the input voltage. Switched off, it sits near 0 V.

Dead, it reads

  • Output at the input voltage while switched off: the pass element has shorted.
  • Input present and switched on, no output: failed open, or shut down into a shorted load. Power off and measure output to ground.
On the board:
An output near 0 Ω to ground is usually the load. Lift the output pin to see which.
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 pinout and whether the enable is active high or low differ between parts. The datasheet gives both.

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.

RF amplifier

Voltage, board powered, on the output pin that the bias resistor or choke feeds.

Working, it reads

The output pin sits at the device voltage the datasheet gives, a few volts, below the supply.

Dead, it reads

  • Output pin at 0 V, or near 0 Ω to ground with the power off: shorted inside.
  • Output pin at the full supply voltage: open inside, no current flowing.
On the board:
Measured on the board with power on; the bias network is part of the reading.
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 figures depend on the part and its bias resistor. The datasheet gives both.

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.

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.

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.

Printed with a code easy to misread as L26

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 28 more parts.

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