SMD code T 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.
12 parts in DFN are printed T
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.
MC74VHC1GU04MU1DFNLogic gate, onsemiLogic gateonsemi
- What it is
- Logic gate
- Maker
- onsemi
- Package
- DFN
- Pins
- Not recorded
- Details
- Single Unbuffered Inverter
- Source
- Manufacturer datasheet
Is it dead? The meter test is below: Integrated circuit.
HSP061-2M6DFNSTMicroelectronicsNot recordedSTMicroelectronics
- What it is
- Not recorded
- Maker
- STMicroelectronics
- Package
- DFN
- Pins
- 6
- Source
- Published code list
Is it dead? The meter test is below: This part.
MC74VHC1GT00MU1DFNonsemiNot recordedonsemi
- What it is
- Not recorded
- Maker
- onsemi
- Package
- DFN
- Pins
- Not recorded
- Details
- CMOS logic IC: 2-input NAND gate
- Source
- Published code list
Is it dead? The meter test is below: Integrated circuit.
MC74VHC1GT126MU1DFNonsemiNot recordedonsemi
- What it is
- Not recorded
- Maker
- onsemi
- Package
- DFN
- Pins
- Not recorded
- Details
- CMOS logic IC: Bus buffer gate with 3-state output
- Source
- Published code list
Is it dead? The meter test is below: Integrated circuit.
MC74VHC1TG32MU1DFNonsemiNot recordedonsemi
- What it is
- Not recorded
- Maker
- onsemi
- Package
- DFN
- Pins
- Not recorded
- Details
- CMOS logic IC: 2-input OR gate
- Source
- Published code list
Is it dead? The meter test is below: Integrated circuit.
NL7SZ18MUDFNonsemiNot recordedonsemi
- What it is
- Not recorded
- Maker
- onsemi
- Package
- DFN
- Pins
- Not recorded
- Details
- CMOS logic IC: Noninverting 1-of-2 demultiplexer with 3-state deselected output
- Source
- Published code list
Is it dead? The meter test is below: Integrated circuit.
NL7SZ18MUR2GDFNonsemiNot recordedonsemi
- What it is
- Not recorded
- Maker
- onsemi
- Package
- DFN
- Pins
- 6
- Source
- Published code list
Is it dead? The meter test is below: This part.
NL17SG17CMUDFNonsemiNot recordedonsemi
- What it is
- Not recorded
- Maker
- onsemi
- Package
- DFN
- Pins
- Not recorded
- Details
- CMOS logic IC: Buffer with Schmitt-trigger input
- Source
- Published code list
Is it dead? The meter test is below: Integrated circuit.
NLU1GT14CMUDFNonsemiNot recordedonsemi
- What it is
- Not recorded
- Maker
- onsemi
- Package
- DFN
- Pins
- Not recorded
- Details
- CMOS logic IC: Inverter with Schmitt-trigger input, TTL level
- Source
- Published code list
Is it dead? The meter test is below: Integrated circuit.
NLU1GT32AMUDFNonsemiNot recordedonsemi
- What it is
- Not recorded
- Maker
- onsemi
- Package
- DFN
- Pins
- Not recorded
- Details
- CMOS logic IC: 2-input OR gate with voltage-level translator
- Source
- Published code list
Is it dead? The meter test is below: Integrated circuit.
NLU1GU04AMUDFNonsemiNot recordedonsemi
- What it is
- Not recorded
- Maker
- onsemi
- Package
- DFN
- Pins
- Not recorded
- Details
- CMOS logic IC: Single unbuffered inverter
- Source
- Published code list
Is it dead? The meter test is below: Integrated circuit.
NLX2G16CMUDFNonsemiNot recordedonsemi
- What it is
- Not recorded
- Maker
- onsemi
- Package
- DFN
- Pins
- Not recorded
- Details
- CMOS logic IC: Dual noniverting buffers
- Source
- Published code list
Is it dead? The meter test is below: Integrated circuit.
3 more parts have no package on record. Nothing rules them out, so they stay.
AOZ8S311UD4-03ESD protection diode, Alpha & Omega SemiconductorESD protection diodeAlpha & Omega Semiconductor
- What it is
- ESD protection diode
- Maker
- Alpha & Omega Semiconductor
- Package
- Not recorded
- Pins
- Not recorded
- Details
- ESD protection for high-speed interfaces
- Source
- Manufacturer datasheet
Is it dead? The meter test is below: TVS or ESD protection diode.
AOZ8S311UD4-05ESD protection diode, Alpha & Omega SemiconductorESD protection diodeAlpha & Omega Semiconductor
- What it is
- ESD protection diode
- Maker
- Alpha & Omega Semiconductor
- Package
- Not recorded
- Pins
- Not recorded
- Details
- ESD protection for high-speed interfaces
- Source
- Manufacturer datasheet
Is it dead? The meter test is below: TVS or ESD protection diode.
AOZ8S502BDS-03ESD protection diode, Alpha & Omega SemiconductorESD protection diodeAlpha & Omega Semiconductor
- What it is
- ESD protection diode
- Maker
- Alpha & Omega Semiconductor
- Package
- Not recorded
- Pins
- Not recorded
- Source
- Manufacturer datasheet
Is it dead? The meter test is below: TVS or ESD protection 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.
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.
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.
TVS or ESD protection diode
Diode range, from the protected line to ground, part lifted if you can.
Working, it reads
A one-way part reads about 0.6 to 0.8 V forward and open in reverse. A two-way part reads open both ways. Arrays with several lines read as the datasheet's diagram draws them.
Dead, it reads
- From the line to ground, the same reading both ways, near 0 V with a continuous beep: shorted.
- A reading both ways on a one-way part: leaky.
- A one-way part open both ways: failed open.
- On the board
- , a line reading shorted to ground can be this part or anything else on that line. Lift it: if the short goes with it, it has failed.
- Compare:
- The same part on the next line or connector pin is the healthy reading to compare with.
- Watch for:
- A two-way part reads open both ways when it is good, exactly like one that has failed open. The meter cannot tell them apart; an identical part on the next line can.
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 T
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 T
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 3,400 more parts.
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