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P6KE12A-B

Littelfuse · TVS · DO-204AC(DO-15)

P6KE12A-B from Littelfuse, in a DO-204AC(DO-15). Pinout and pin descriptions extracted from the manufacturer datasheet (extract_pins, cross-checked by a second model); symbol, footprint, and 3D from KiCad-official CAD.

Pinout

Pin Name Type Function
1 Cathode passive Cathode axial lead of the unidirectional TVS, marked by the color band; connect to the positive/protected line, with reverse stand-off voltage VR of 10.20 V min and breakdown VBR of 11.40 V typical (10.20/12.60 range per table) for the P6KE12A.
2 Anode passive Anode axial lead of the unidirectional TVS (end opposite the cathode band); connect to ground/return, with forward voltage VF below 3.5 V at 50 A for single die parts.

Key specifications

Parameter Value
Manufacturer Littelfuse
Package DO-204AC(DO-15)
Category TVS/Fuse/Board Level Protection
Pins 2

Electrical characteristics

Limits as printed in the datasheet (page.json metadata.characteristics carries them as data).

Parameter Symbol Min Typ Max Unit Conditions Page
Reverse Stand-off Voltage VR 10.2 V 2
Breakdown Voltage VBR 11.4 12.6 V @ IT = 1 mA 2
Test Current IT 1 mA 2
Maximum Clamping Voltage VC 16.7 V @ Ipp = 36.5 A 2
Maximum Peak Pulse Current Ipp 36.5 A 2
Maximum Reverse Leakage IR 5 µA @ VR 2
Peak Pulse Power Dissipation PPPM 600 W 10/1000us waveform, single die, TA=25°C 1
Steady State Power Dissipation PD 5 W Infinite heat sink at TL=75ºC 1
Peak Forward Surge Current IFSM 100 A 8.3ms single half sine wave, unidirectional only 1
Maximum Instantaneous Forward Voltage VF 3.5 V at 50A, unidirectional only, single die 1
Operating Junction and Storage Temperature Range TJ, TSTG -55 175 °C 1
Thermal Resistance Junction to Lead RƟJL 20 °C/W Typical 1
Thermal Resistance Junction to Ambient RƟJA 75 °C/W Typical 1
Breakdown Voltage Temperature Coefficient αT 0.1 % Typical; VBR@TJ = VBR@25°C x (1+αT x (TJ-25)) 1

Materials and finish

As the datasheet states them (page.json metadata.appearance; the 3D model's colours follow it).

Part Material Colour / plating Datasheet says Page
contacts tin • Matte tin lead-free plated • Halogen free and RoHS 1

CAD (KiCad official)

  • Symbol: P6KE12A-B
  • Footprint: Diode_THT:D_DO-15_P12.70mm_Horizontal
  • 3D model: DO-204AC(DO-15) (KiCad packages3D, STEP)

Provenance

Data extracted from the manufacturer datasheet, not a distributor listing:

  • Datasheet: Littelfuse datasheet (6 pp, sha256 d0708871d6da5d75, retrieved 2026-10-23, tier: lcsc)
  • Extractor: parts-factory 2.0.0 / extract_pins 0.3, primary claude-sonnet-5-5 (text), consensus claude-sonnet-5-5 (agreed), guards: pin_guards 0.1: passed. Pins are checked against the footprint pad set and their cited datasheet pages before publish.
  • CAD: KiCad official libraries (CC-BY-SA 4.0).

Datasheet PDF