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SMD code 10- in SOD-523

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.

14 parts in SOD-523 are printed 10-

Not sure which one you have?

Answer up to 4 quick questions and these 50 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.

  • CTZ55C10Zener diode, Compact TechnologyZener diodeCompact Technology
    What it is
    Zener diode
    Maker
    Compact Technology
    Package
    Not recorded
    Pins
    Not recorded
    Details
    Zener diode: 9.50..10.50V, Izt=5mA, Zzt=15, 500mW
    Source
    Published code list

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

  • CZRNC55C10-GZener diode, ComchipZener diodeComchip
    What it is
    Zener diode
    Maker
    Comchip
    Package
    Not recorded
    Pins
    Not recorded
    Details
    Zener diode: 9.50..10.50V, Zt=15, Izt=5mA, 500mW
    Source
    Published code list

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

  • CZRSC55C10-GZener diode, ComchipZener diodeComchip
    What it is
    Zener diode
    Maker
    Comchip
    Package
    Not recorded
    Pins
    Not recorded
    Details
    Zener diode: 9.50..10.50V, Zt=15, Izt=5mA, 500mW
    Source
    Published code list

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

  • EC95810C50C7IVoltage supervisor, E-CMOSVoltage supervisorE-CMOS
    What it is
    Voltage supervisor
    Maker
    E-CMOS
    Package
    Not recorded
    Pins
    Not recorded
    Details
    Voltage detector IC: 5.0V±2%, -Reset PPO, Td=200ms
    Source
    Published code list

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

  • EC95810C50C7SVoltage supervisor, E-CMOSVoltage supervisorE-CMOS
    What it is
    Voltage supervisor
    Maker
    E-CMOS
    Package
    Not recorded
    Pins
    Not recorded
    Details
    Voltage detector IC: 5.0V±2%, -Reset PPO, Td=200ms
    Source
    Published code list

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

  • IXD5127N55BNRVoltage supervisor, IXYSVoltage supervisorIXYS
    What it is
    Voltage supervisor
    Maker
    IXYS
    Package
    Not recorded
    Pins
    Not recorded
    Details
    Voltage detector IC: 5.5V±0.8%, -Reset ODO, -MR, 100ms Rt delay
    Source
    Published code list

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

  • KDZ10VVZener diode, KECZener diodeKEC
    What it is
    Zener diode
    Maker
    KEC
    Package
    Not recorded
    Pins
    Not recorded
    Details
    Zener diode: 9.40..10.60V, Izt=5mA, Zzt=15, 100mW
    Source
    Published code list

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

  • LZ52C10WZener diode, Lite-On SemiconductorZener diodeLite-On Semiconductor
    What it is
    Zener diode
    Maker
    Lite-On Semiconductor
    Package
    Not recorded
    Pins
    Not recorded
    Details
    Zener diode: 9.80..10.20V, Izt=5mA, Zzt=15, 500mW
    Source
    Published code list

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

  • LZ52C10WSZener diode, Lite-On SemiconductorZener diodeLite-On Semiconductor
    What it is
    Zener diode
    Maker
    Lite-On Semiconductor
    Package
    Not recorded
    Pins
    Not recorded
    Details
    Zener diode: 9.80..10.20V, Izt=5mA, Zzt=15, 500mW
    Source
    Published code list

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

  • MAZ5100PanNot recordedPan
    What it is
    Not recorded
    Maker
    Pan
    Package
    Not recorded
    Pins
    Not recorded
    Details
    Z-diode: 9.4..10V, 500mW
    Source
    Published code list

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

  • MAZ81000HZener diode, PanasonicZener diodePanasonic
    What it is
    Zener diode
    Maker
    Panasonic
    Package
    Not recorded
    Pins
    Not recorded
    Details
    Zener diode: 10.07..10.59V, Zzt=30(5mA), 150mW
    Source
    Published code list

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

  • MAZF100Zener diode, PanasonicZener diodePanasonic
    What it is
    Zener diode
    Maker
    Panasonic
    Package
    Not recorded
    Pins
    Not recorded
    Details
    Zener diode: 9.4..10.6V, Zzt=30(5mA), 120mW
    Source
    Published code list

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

  • MAZN100Zener diode, PanasonicZener diodePanasonic
    What it is
    Zener diode
    Maker
    Panasonic
    Package
    Not recorded
    Pins
    Not recorded
    Details
    Zener diode: 9.4..10.6V, Zzt=30(5mA), 120mW
    Source
    Published code list

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

  • MAZW100HPanNot recordedPan
    What it is
    Not recorded
    Maker
    Pan
    Package
    Not recorded
    Pins
    Not recorded
    Details
    SA-Diode: 2x 10V, 5mA, 150mW
    Source
    Published code list

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

  • MAZY100PanNot recordedPan
    What it is
    Not recorded
    Maker
    Pan
    Package
    Not recorded
    Pins
    Not recorded
    Details
    Z-diode: 9..11V, 1W
    Source
    Published code list

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

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.

Zener diode

Diode range for the forward check, part lifted, red probe on the anode. A bench supply for the Zener voltage.

Working, it reads

About 0.6 to 0.8 V forward and open in reverse on the diode range. Its Zener voltage shows only on a supply: feed it through a resistor that sets about 5 mA, cathode to positive, read quickly, and it should hold near its rated voltage.

Dead, it reads

  • The same reading both ways round, near 0 V with a continuous beep or the same middling value: shorted.
  • Open both ways, forward too: failed open.
  • Holds well off its rated voltage on the supply test: drifted.
  • A soft knee, or a voltage that creeps on the supply test: 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 meter's diode range stops at about 2 to 3 V, so almost every Zener reads open in reverse on it, good or bad; a 3 V meter may just show a 2.4 or 2.7 V part. Above about 3 V the meter cannot tell a Zener from a plain diode.

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.

Silicon diode

Diode range, part lifted or one leg off the pad. Red probe on the anode.

Working, it reads

About 0.5 to 0.8 V anode to cathode, and open the other way. Small switching diodes read about 0.6 to 0.7 V; large rectifiers can read a little lower.

Dead, it reads

  • The same reading both ways round, near 0 V with a continuous beep or the same middling value: shorted.
  • Open both ways: failed open.
  • A reading the wrong way round as well: 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 three-pin body can hold two diodes. With a common pin they read two junctions from that pin, just like a transistor; in series they read two drops end to end. Test each pair the datasheet names.

A dead part still carries its marking. A short or an open says it has failed, not that it is a different part.

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