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WhatSMDSign in

SMD code VL in DFN

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.

2 parts in DFN are printed VL

Not sure which one you have?

Answer up to 4 quick questions and these 14 parts are ranked, with a meter test that settles it. It works on a dead part too.

  • RP130K211DDFNLDO regulator, RicohLDO regulatorNot recordedRicoh
    What it is
    LDO regulator
    Maker
    Ricoh
    Package
    DFN
    Pins
    Not recorded
    Details
    Low Noise 150mA LDO Regulator
    Source
    Published code list

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

  • RP152L035CDFNLDO regulator, RicohLDO regulatorNot recordedRicoh
    What it is
    LDO regulator
    Maker
    Ricoh
    Package
    DFN
    Pins
    Not recorded
    Details
    Linear voltage regulator IC: LDO, Dual out, Vout1/Vout2=2.5V/1.2V±1%, 150mA, +CE, CL
    Source
    Published code list

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

  • 12 more parts have no package on record. Nothing rules them out, so they stay.
    • 2SC5866NPN transistor, 3 pins, ROHMNPN transistor3 pinsROHM
      What it is
      NPN transistor
      Maker
      ROHM
      Package
      Not recorded
      Pins
      3
      Details
      npn high speed sw 60V 2A comp. 2SA2094
      Source
      Published code list

      Is it dead? The meter test is below: NPN transistor.

    • 74LVC1G66GFNXPNot recordedNot recordedNXP
      What it is
      Not recorded
      Maker
      NXP
      Package
      Not recorded
      Pins
      Not recorded
      Details
      CMOS logic IC: Single-pole single-throw analog switch
      Source
      Published code list

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

    • 74LVC1G66GMNXPNot recordedNot recordedNXP
      What it is
      Not recorded
      Maker
      NXP
      Package
      Not recorded
      Pins
      Not recorded
      Details
      CMOS logic IC: Single-pole single-throw analog switch
      Source
      Published code list

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

    • 74LVC1G66GNNXPNot recordedNot recordedNXP
      What it is
      Not recorded
      Maker
      NXP
      Package
      Not recorded
      Pins
      Not recorded
      Details
      CMOS logic IC: Single-pole single-throw analog switch
      Source
      Published code list

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

    • 74LVC1G66GSNXPNot recordedNot recordedNXP
      What it is
      Not recorded
      Maker
      NXP
      Package
      Not recorded
      Pins
      Not recorded
      Details
      CMOS logic IC: Single-pole single-throw analog switch
      Source
      Published code list

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

    • 74LVC2G66GNNXPNot recordedNot recordedNXP
      What it is
      Not recorded
      Maker
      NXP
      Package
      Not recorded
      Pins
      Not recorded
      Details
      CMOS logic IC: 2-channel analog switch
      Source
      Published code list

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

    • BD46385GVoltage supervisor, ROHMVoltage supervisorNot recordedROHM
      What it is
      Voltage supervisor
      Maker
      ROHM
      Package
      Not recorded
      Pins
      Not recorded
      Details
      CMOS-IC: Voltage Detector 3,8V, -Reset Push-pull output, 500ms
      Source
      Published code list

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

    • IXD5127C32KNRVoltage supervisor, IXYSVoltage supervisorNot recordedIXYS
      What it is
      Voltage supervisor
      Maker
      IXYS
      Package
      Not recorded
      Pins
      Not recorded
      Details
      Voltage detector IC: 3.2V±0.8%, +Reset PPO, -MR, 800ms Rt delay
      Source
      Published code list

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

    • LD6922GF-19LDO regulator, LeadtrendLDO regulatorNot recordedLeadtrend
      What it is
      LDO regulator
      Maker
      Leadtrend
      Package
      Not recorded
      Pins
      Not recorded
      Details
      Linear voltage regulator IC: LDO, Ultra-LN, Soft start, 1.9V±2%, 500mA,
      Source
      Published code list

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

    • XC6127C32KNRVoltage supervisor, TorexVoltage supervisorNot recordedTorex
      What it is
      Voltage supervisor
      Maker
      Torex
      Package
      Not recorded
      Pins
      Not recorded
      Details
      Voltage detector IC: 3.2V±0.8%, +Reset PPO, -MR, Rdt=800ms
      Source
      Published code list

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

    • XC6223F28BNR-GLDO regulator, TorexLDO regulatorNot recordedTorex
      What it is
      LDO regulator
      Maker
      Torex
      Package
      Not recorded
      Pins
      Not recorded
      Details
      Linear voltage regulator IC: LDO, 2.85V±1%, 300mA, +CE, CL, ICP
      Source
      Published code list

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

    • XC6501D161NR-GLDO regulator, TorexLDO regulatorNot recordedTorex
      What it is
      LDO regulator
      Maker
      Torex
      Package
      Not recorded
      Pins
      Not recorded
      Details
      Linear voltage regulator IC: LDO, 1.6V±1%, 200mA, +CE, CL, PDR
      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.

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.

NPN transistor

Diode range, part lifted or its base leg off the pad.

Working, it reads

Red probe on the base 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.

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 VL

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 VL

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 74 more parts.

Did you find your part?

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