SMD code T10 in SOT-23
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.
7 parts in SOT-23 are printed T10
Not sure which one you have?
Answer up to 4 quick questions and these 7 parts are ranked, with a meter test that settles it. It works on a dead part too.
all SOT-23, 3 pins. What differs:
BZX84B4V7LSOT-23Zener diode, onsemiZener diodeonsemi
- What it is
- Zener diode
- Maker
- onsemi
- Package
- SOT-23
- Pins
- 3
- Details
- Zener Voltage Regulators BZX84BxxxLT1G, BZX84CxxxLT1G Series, SZBZX84BxxxLT1G, SZBZX84CxxxLT1G Series
- Source
- Manufacturer datasheet
Is it dead? The meter test is below: Zener diode.
BZX84B4V7LT1SOT-23Zener diode, onsemiZener diodeonsemi
- What it is
- Zener diode
- Maker
- onsemi
- Package
- SOT-23
- Pins
- 3
- Details
- Zener diode: 4.61..4.79V, Zzt=80, Izt=5mA, 225mW
- Source
- Published code list
Is it dead? The meter test is below: Zener diode.
BZX84B4V7LT1GSOT-23Zener diode, onsemiZener diodeonsemi
- What it is
- Zener diode
- Maker
- onsemi
- Package
- SOT-23
- Pins
- 3
- Details
- 4.7V Zener Diodes
- Source
- Published code list
Is it dead? The meter test is below: Zener diode.
LBZX84B4V7LSOT-23Zener diode, LRCZener diodeLRC
- What it is
- Zener diode
- Maker
- LRC
- Package
- SOT-23
- Pins
- 3
- Details
- Zener diode: 4.55..4.75V, Izt=5mA, 225mW
- Source
- Published code list
Is it dead? The meter test is below: Zener diode.
MIC1555YM5SOT-23MicrelNot recordedMicrel
- What it is
- Not recorded
- Maker
- Micrel
- Package
- SOT-23
- Pins
- 3
- Details
- IttyBitty RC Timer/Oscillator
- Source
- Published code list
Is it dead? The meter test is below: This part.
PDTD114ETSOT-23NXPNot recordedNXP
- What it is
- Not recorded
- Maker
- NXP
- Package
- SOT-23
- Pins
- 3
- Details
- Si-npn-Digi: Sw, 50V, 500mA, 250mW, R1/R2=10k/10k
- Source
- Published code list
Is it dead? The meter test is below: This part.
SZBZX84B4V7LT1GSOT-23Zener diode, onsemiZener diodeonsemi
- What it is
- Zener diode
- Maker
- onsemi
- Package
- SOT-23
- Pins
- 3
- Details
- 4.7V Zener Diodes
- Source
- Published code list
Is it dead? The meter test is below: Zener 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.
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 T10
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 T10
For a marking with its end worn or burnt off. Each code has a page of its own.
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