BETAAxial stand-off10.2 V
Unidirectional transient suppressor
P6KE12A Specifications
Review P6KE12A electrical specifications, operating conditions and package details.
Package view
Key specifications
Stand-off, breakdown and clamping voltage must be checked separately.
Axial breakdown11.4–12.6 V · at 1 mA
Axial maximum clamp16.7 V · at 35.9 A pulse
Peak pulse power600 W · specified pulse
Package details
P6KE12A-E3 · DO-15
| Property | Details |
|---|---|
| Manufacturer | Vishay General Semiconductor |
| Part number | P6KE12A-E3 |
| Package | DO-15 |
| Connections | 2 pins |
| Mounting | Through-hole |
| Lead pitch | 12.7 mm · formed lead pitch |
| Package code | DO-204AC |
| Thermal reference | 175°C junction maximum; pulse and lead cooling conditions apply |
Selected TVS device
Two separately specified references
Manufacturer specifications 3 parameters
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| Parameter | Value | Conditions / notes |
|---|---|---|
| Axial | P6KE12A-E3 | DO-15; band = cathode |
| SMD alternative | SMBJ12A-E3 | SMB; LE marking |
| Pad convention | K1 / A2 | Positive node / return |
No specifications match. Try a parameter name or a unit.
SMD is an alternative, not the same silicon in a different body.
Axial voltage thresholds
Vishay P6KE12A at 25°C
Manufacturer specifications 5 parameters
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| Parameter | Value | Conditions / notes |
|---|---|---|
| Stand-off | 10.2 V | Reverse working voltage |
| Breakdown | 11.4–12.6 V | 1 mA; pulse ≤50 ms |
| Leakage | 5 µA maximum | At stand-off |
| Clamping | 16.7 V maximum | 35.9 A pulse |
| Temperature coefficient | 0.078%/°C maximum | Breakdown voltage |
No specifications match. Try a parameter name or a unit.
A nominal 12 V supply exceeds this stand-off voltage.
Axial pulse and temperature limits
Waveform and cooling dependent
Manufacturer specifications 4 parameters
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| Parameter | Value | Conditions / notes |
|---|---|---|
| Peak pulse power | 600 W | 10/1000 µs; derate above 25°C |
| Junction / storage | −55 to +175°C | Absolute limits |
| Forward surge | 100 A | 8.3 ms half sine; max 4 pulses/minute |
| Power dissipation | 5 W | Infinite heatsink; lead temperature 75°C |
No specifications match. Try a parameter name or a unit.
Continuous and pulse limits are different.
SMBJ12A alternative
Vishay 88392 selected row
Manufacturer specifications 7 parameters
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| Parameter | Value | Conditions / notes |
|---|---|---|
| Stand-off | 12 V | Different from axial 10.2 V |
| Breakdown | 13.3–14.7 V | 1 mA |
| Leakage | 5 µA maximum | At stand-off |
| Maximum clamp | 19.9 V | 30.2 A pulse |
| Pulse power | 600 W | 10/1000 µs; mounting and derating apply |
| Junction / storage | −55 to +150°C | Different from axial limit |
| Package / marking | SMB / LE | Separate PDF in SMD view |
No specifications match. Try a parameter name or a unit.
Confirm that the protected circuit tolerates the higher clamp.
Package and mounting
Two distinct footprints
Manufacturer specifications 5 parameters
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| Parameter | Value | Conditions / notes |
|---|---|---|
| Axial body | 6.15–6.55 × Ø3.3–3.5 mm | DO-15 |
| Axial lead diameter | 0.71–0.86 mm | Round silver-plated leads |
| Formed pitch / hole | 12.7 / 1.1 mm | 2 mm copper pads |
| SMD lands | 1.7155 × 2.18 mm | 3.8745 mm centers |
| SMD inner gap | 2.159 mm | Cathode left |
No specifications match. Try a parameter name or a unit.
Verify assembly tolerance and thermal paths.
9 V input protection
Conceptual design checks
Manufacturer specifications 5 parameters
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| Parameter | Value | Conditions / notes |
|---|---|---|
| Axial nominal headroom | 1.2 V | 10.2 V stand-off minus 9 V input |
| Axial clamp point | 16.7 V at 35.9 A | About 600 W pulse arithmetic |
| SMD clamp point | 19.9 V at 30.2 A | Different load-voltage requirement |
| Fuse and source impedance | Coordinate from actual source | Do not assume unlimited surge energy |
| Ground return | Short and wide | Reduce inductive overshoot |
No specifications match. Try a parameter name or a unit.
Values explain the datasheet; this is not a qualified surge-protection design.
Connections by function
Select a pin for its function, connection guidance and electrical notes.