SMD code 160A in SMB

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.

9 parts in SMB are printed 160A

Not sure which one you have?

Answer up to 4 quick questions and these 14 parts are ranked, with a meter test that settles it. It works on a dead part too.

P6SMB160ASMBDOWODOWO
What it is
TVS diode
Maker
DOWO
Package
SMB
Pins
2
Source
Manufacturer datasheet
Is it dead? The meter test is below: TVS or ESD protection diode.
Datasheetfor P6SMB160A, opens in a new tab
P6SMB160A(MS)SMBMSKSEMIMSKSEMI
What it is
TVS diode
Maker
MSKSEMI
Package
SMB
Pins
2
Source
Manufacturer datasheet
Is it dead? The meter test is below: TVS or ESD protection diode.
Datasheetfor P6SMB160A(MS), opens in a new tab
P6SMBJ160ASMBTaitron ComponentsTaitron Components
What it is
TVS diode
Maker
Taitron Components
Package
SMB
Pins
2
Details
SMD TVS - 600W
Source
Manufacturer datasheet
Is it dead? The meter test is below: TVS or ESD protection diode.
Datasheetfor P6SMBJ160A, opens in a new tab
PSMBJ160ASMBLite-On SemiconductorLite-On Semiconductor
What it is
TVS diode
Maker
Lite-On Semiconductor
Package
SMB
Pins
2
Details
Transient voltage supressor: Vrwm=136.0V, Vbr=152.0..168.0V, Ipp=2.7A, 600W(1ms)
Source
Published code list
Is it dead? The meter test is below: TVS or ESD protection diode.
SMBJ160ASMBSynSemiSynSemi
What it is
TVS diode
Maker
SynSemi
Package
SMB
Pins
2
Source
Published code list
Is it dead? The meter test is below: TVS or ESD protection diode.
Datasheetfor SMBJ160A, opens in a new tab
SMBJP6KE160ASMBMicro Commercial ComponentsMicro Commercial Components
What it is
TVS diode
Maker
Micro Commercial Components
Package
SMB
Pins
2
Details
Transient voltage supressor: Vrwm=136V, Vbr=152.0..168.0V, Ipp=2.8A, 600W(1ms)
Source
Published code list
Is it dead? The meter test is below: TVS or ESD protection diode.
TPSMB160ASMBLittelfuseLittelfuse
What it is
TVS diode
Maker
Littelfuse
Package
SMB
Pins
2
Source
Published code list
Is it dead? The meter test is below: TVS or ESD protection diode.
Datasheetfor TPSMB160A, opens in a new tab
TSP160SASMBPanjitPanjit
What it is
Not recorded
Maker
Panjit
Package
SMB
Pins
2
Details
Thy-SPD: V Of-St=160V, 50A(1ms), Bidirectional
Source
Published code list
Is it dead? The meter test is below: This part.
TVP06B161A-GSMBComchipComchip
What it is
TVS diode
Maker
Comchip
Package
SMB
Pins
2
Details
Transient voltage supressor: Vrwm=136V, Vbr=152.0..168.0V, Ipp=2.74A, 600W(1ms)
Source
Published code list
Is it dead? The meter test is below: TVS or ESD protection diode.
5 more parts have no package on record. Nothing rules them out, so they stay.
- 1.5SMCJ160ATaitron ComponentsTaitron Components
  What it is
  TVS diode
  Maker
  Taitron Components
  Package
  Not recorded
  Pins
  Not recorded
  Details
  SMD TVS - 1500W
  Source
  Manufacturer datasheet
  Is it dead? The meter test is below: TVS or ESD protection diode.
  Datasheetfor 1.5SMCJ160A, opens in a new tab
- P4SMASF160AFormosa MicrosemiFormosa Microsemi
  What it is
  TVS diode
  Maker
  Formosa Microsemi
  Package
  Not recorded
  Pins
  Not recorded
  Source
  Manufacturer datasheet
  Is it dead? The meter test is below: TVS or ESD protection diode.
  Datasheetfor P4SMASF160A, opens in a new tab
- 3PMT160AMicrosemi Integrated Products DivisionMicrosemi Integrated Products Division
  What it is
  TVS diode
  Maker
  Microsemi Integrated Products Division
  Package
  Not recorded
  Pins
  Not recorded
  Details
  Transient voltage supressor: Vvm=160V, Vbr=178V, Vcl=259V, 5.8A, 1500W(1ms)
  Source
  Published code list
  Is it dead? The meter test is below: TVS or ESD protection diode.
- SZP6SMB160Aonsemionsemi
  What it is
  TVS diode
  Maker
  onsemi
  Package
  Not recorded
  Pins
  Not recorded
  Details
  Transient voltage supressor: Vrwm=160V, Vbr=152..168V, 2.7A, 600W(1ms)
  Source
  Published code list
  Is it dead? The meter test is below: TVS or ESD protection diode.
- UMA160AMicrosemi Integrated Products DivisionMicrosemi Integrated Products Division
  What it is
  TVS diode
  Maker
  Microsemi Integrated Products Division
  Package
  Not recorded
  Pins
  Not recorded
  Details
  Transient voltage supressor: Vrwm=160V, Vbr=178..259V, 1.9A, 500W(1ms)
  Source
  Published code list
  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.

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.

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.

Codes that begin with 160A

For a marking with its end worn or burnt off. Each code has a page of its own.

160AT1

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