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SMD code 58- in SOT-89-5

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.

No part printed 58- is recorded in SOT-89-5

Not sure which one you have?

Answer up to 4 quick questions and these 26 parts are ranked, with a meter test that settles it. It works on a dead part too.

15 parts have no package on record. Nothing rules them out, so they stay.

  • BGS8358RF switch, 8 pins, NXPRF switch8 pinsNXP
    What it is
    RF switch
    Maker
    NXP
    Package
    Not recorded
    Pins
    8
    Details
    WLAN LNA + Switch
    Source
    Manufacturer datasheet

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

  • BGS8458RF switch, 6 pins, NXPRF switch6 pinsNXP
    What it is
    RF switch
    Maker
    NXP
    Package
    Not recorded
    Pins
    6
    Details
    1 General description 2 Features and benefits 3 Applications
    Source
    Manufacturer datasheet

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

  • ET5228AAnalog switch, ETEKAnalog switchNot recordedETEK
    What it is
    Analog switch
    Maker
    ETEK
    Package
    Not recorded
    Pins
    Not recorded
    Source
    Manufacturer datasheet

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

  • NVT4558HKLogic level translator, 10 pins, NXPLogic level translator10 pinsNXP
    What it is
    Logic level translator
    Maker
    NXP
    Package
    Not recorded
    Pins
    10
    Details
    1 General description 2 Features and benefits 3 Applications
    Source
    Manufacturer datasheet

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

  • RSX205L-30Schottky diode, ROHMSchottky diodeNot recordedROHM
    What it is
    Schottky diode
    Maker
    ROHM
    Package
    Not recorded
    Pins
    Not recorded
    Details
    Schottky Barrier Diode
    Source
    Manufacturer datasheet

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

  • RSX205L-30TFSchottky diode, ROHMSchottky diodeNot recordedROHM
    What it is
    Schottky diode
    Maker
    ROHM
    Package
    Not recorded
    Pins
    Not recorded
    Details
    Schottky Barrier Diode
    Source
    Manufacturer datasheet

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

  • SAV-581+RF amplifier (MMIC), Mini-CircuitsRF amplifier (MMIC)Not recordedMini-Circuits
    What it is
    RF amplifier (MMIC)
    Maker
    Mini-Circuits
    Package
    Not recorded
    Pins
    Not recorded
    Details
    MMIC amplifier, 0.045-6 GHz
    Source
    Manufacturer datasheet

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

  • 74AUP1G885GFNXPNot recordedNot recordedNXP
    What it is
    Not recorded
    Maker
    NXP
    Package
    Not recorded
    Pins
    Not recorded
    Details
    CMOS logic IC: Dual function gate
    Source
    Published code list

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

  • 74AUP1G885GNNXPNot recordedNot recordedNXP
    What it is
    Not recorded
    Maker
    NXP
    Package
    Not recorded
    Pins
    Not recorded
    Details
    CMOS logic IC: Dual function gate
    Source
    Published code list

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

  • 74AUP1G885GSNXPNot recordedNot recordedNXP
    What it is
    Not recorded
    Maker
    NXP
    Package
    Not recorded
    Pins
    Not recorded
    Details
    CMOS logic IC: Dual function gate
    Source
    Published code list

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

  • AP8822N-28GIVoltage supervisor, Anwell SemiconductorVoltage supervisorNot recordedAnwell Semiconductor
    What it is
    Voltage supervisor
    Maker
    Anwell Semiconductor
    Package
    Not recorded
    Pins
    Not recorded
    Details
    Voltage detector IC: 2.8V±2%, -Reset ODO, 200ms Rt delay, H-free
    Source
    Published code list

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

  • AP8822N-28GSVoltage supervisor, Anwell SemiconductorVoltage supervisorNot recordedAnwell Semiconductor
    What it is
    Voltage supervisor
    Maker
    Anwell Semiconductor
    Package
    Not recorded
    Pins
    Not recorded
    Details
    Voltage detector IC: 2.8V±2%, -Reset ODO, 200ms Rt delay, H-free
    Source
    Published code list

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

  • AP8822N-28PIVoltage supervisor, Anwell SemiconductorVoltage supervisorNot recordedAnwell Semiconductor
    What it is
    Voltage supervisor
    Maker
    Anwell Semiconductor
    Package
    Not recorded
    Pins
    Not recorded
    Details
    Voltage detector IC: 2.8V±2%, -Reset ODO, 200ms Rt delay
    Source
    Published code list

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

  • AP8822N-28PSVoltage supervisor, Anwell SemiconductorVoltage supervisorNot recordedAnwell Semiconductor
    What it is
    Voltage supervisor
    Maker
    Anwell Semiconductor
    Package
    Not recorded
    Pins
    Not recorded
    Details
    Voltage detector IC: 2.8V±2%, -Reset ODO, 200ms Rt delay
    Source
    Published code list

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

  • BFQ58InfineonNot recordedNot recordedInfineon
    What it is
    Not recorded
    Maker
    Infineon
    Package
    Not recorded
    Pins
    Not recorded
    Details
    npn 6.5GHz 16V/30mA
    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.

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.

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.

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.

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 58-

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

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