SMD code 0A in SOD-323
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.
12 parts in SOD-323 are printed 0A
Not sure which one you have?
Answer up to 4 quick questions and these 34 parts are ranked, with a meter test that settles it. It works on a dead part too.
BZT52C5V1SSOD-323Zener diode, 2 pins, Formosa MicrosemiZener diode2 pinsFormosa Microsemi
- What it is
- Zener diode
- Maker
- Formosa Microsemi
- Package
- SOD-323
- Pins
- 2
- Source
- Manufacturer datasheet
Is it dead? The meter test is below: Zener diode.
BZT52C5V1S-Q1SOD-323Zener diode, 2 pins, Formosa MicrosemiZener diode2 pinsFormosa Microsemi
- What it is
- Zener diode
- Maker
- Formosa Microsemi
- Package
- SOD-323
- Pins
- 2
- Source
- Manufacturer datasheet
Is it dead? The meter test is below: Zener diode.
LM3Z5V1PT1GSOD-323Zener diode, 2 pins, LRCZener diode2 pinsLRC
- What it is
- Zener diode
- Maker
- LRC
- Package
- SOD-323
- Pins
- 2
- Details
- Zener diode, VZ Min 4.8 V, VZ Nom 5.1 V, VZ Max 5.4 V
- Source
- Manufacturer datasheet
Is it dead? The meter test is below: Zener diode.
LM3Z5V1T1GSOD-323Zener diode, 2 pins, LRCZener diode2 pinsLRC
- What it is
- Zener diode
- Maker
- LRC
- Package
- SOD-323
- Pins
- 2
- Details
- Zener diode, VZ Min 4.8 V, VZ Nom 5.1 V, VZ Max 5.4 V
- Source
- Manufacturer datasheet
Is it dead? The meter test is below: Zener diode.
MM3Z5V1SOD-323Zener diode, 2 pins, LeiditechZener diode2 pinsLeiditech
- What it is
- Zener diode
- Maker
- Leiditech
- Package
- SOD-323
- Pins
- 2
- Details
- SMD Planar Zener Diodes
- Source
- Manufacturer datasheet
Is it dead? The meter test is below: Zener diode.
S-LM3Z5V1PT1GSOD-323Zener diode, 2 pins, LRCZener diode2 pinsLRC
- What it is
- Zener diode
- Maker
- LRC
- Package
- SOD-323
- Pins
- 2
- Details
- Zener diode, VZ Min 4.8 V, VZ Nom 5.1 V, VZ Max 5.4 V
- Source
- Manufacturer datasheet
Is it dead? The meter test is below: Zener diode.
S-LM3Z5V1T1GSOD-323Zener diode, 2 pins, LRCZener diode2 pinsLRC
- What it is
- Zener diode
- Maker
- LRC
- Package
- SOD-323
- Pins
- 2
- Details
- Zener diode, VZ Min 4.8 V, VZ Nom 5.1 V, VZ Max 5.4 V
- Source
- Manufacturer datasheet
Is it dead? The meter test is below: Zener diode.
S-LM3Z5V1T1G-SSOD-323Zener diode, 2 pins, LRCZener diode2 pinsLRC
- What it is
- Zener diode
- Maker
- LRC
- Package
- SOD-323
- Pins
- 2
- Details
- Zener diode, VZ Min 4.8 V, VZ Nom 5.1 V, VZ Max 5.4 V
- Source
- Manufacturer datasheet
Is it dead? The meter test is below: Zener diode.
BZX384C5V1SOD-323Zener diode, 2 pins, Taitron ComponentsZener diode2 pinsTaitron Components
- What it is
- Zener diode
- Maker
- Taitron Components
- Package
- SOD-323
- Pins
- 2
- Source
- An older or alternative marking, from a published code list
Is it dead? The meter test is below: Zener diode.
FDZ5.1T1GSOD-323Zener diode, 2 pins, First SilionZener diode2 pinsFirst Silion
- What it is
- Zener diode
- Maker
- First Silion
- Package
- SOD-323
- Pins
- 2
- Details
- Zener diode: 4.8..5.4V, Izt=5mA, Zzt=60, 200mW
- Source
- Published code list
Is it dead? The meter test is below: Zener diode.
MMPZ5231BPTSOD-323Zener diode, 2 pins, Chenmko EnterpriseZener diode2 pinsChenmko Enterprise
- What it is
- Zener diode
- Maker
- Chenmko Enterprise
- Package
- SOD-323
- Pins
- 2
- Details
- Zener diode: 4.845..5.355V, Izt=5mA, Zzt=50, 225mW
- Source
- Published code list
Is it dead? The meter test is below: Zener diode.
ZD05V1SOD-3232 pins, Cystech ElectronicsNot recorded2 pinsCystech Electronics
- What it is
- Not recorded
- Maker
- Cystech Electronics
- Package
- SOD-323
- Pins
- 2
- Details
- Z-diode: 4.8..5.4V, 5mA, Zzt=60Ω, 200mW
- Source
- Published code list
Is it dead? The meter test is below: Silicon diode.
3 more parts have no package on record. Nothing rules them out, so they stay.
MM5Z5V1-Q1Zener diode, Formosa MicrosemiZener diodeNot recordedFormosa Microsemi
- What it is
- Zener diode
- Maker
- Formosa Microsemi
- Package
- Not recorded
- Pins
- Not recorded
- Source
- Manufacturer datasheet
Is it dead? The meter test is below: Zener diode.
MMPZ5231BAGP-AZener diode, ChenmkoZener diodeNot recordedChenmko
- What it is
- Zener diode
- Maker
- Chenmko
- Package
- Not recorded
- Pins
- Not recorded
- Details
- SILICON PLANAR POWER ZENER DIODES, 5.1 V
- Source
- Manufacturer datasheet
Is it dead? The meter test is below: Zener diode.
RB058L-30DDSchottky 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.
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.
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.
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.
Printed with a code easy to misread as 0A
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 12 more parts.
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