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20KPA48CA

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amsem ESD And Surge Protection (TVS/ESD), P600. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.

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20KPA48CA

amsem · ESD And Surge Protection (TVS/ESD) · P600

20KPA48CA from amsem, in a P600. 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 A1 passive Axial lead terminal of the bidirectional 20KPA48CA TVS (48V reverse standoff, 53.6V min breakdown at 5mA, 79.4V max clamping at 254.4A); polarity-free, interchangeable with the other lead.
2 A2 passive Axial lead terminal of the bidirectional 20KPA48CA TVS; no color band cathode marking on bidirectional types, so it is interchangeable with the other lead.

Key specifications

Parameter Value
Manufacturer amsem
Package P600
Category Circuit 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 48 V 20KPA48CA 2
Breakdown Voltage VBR 53.6 V @ IT 2
Test Current IT 5 mA 2
Maximum Reverse Leakage IR 2 µA @ VR 2
Maximum Clamping Voltage VC 79.4 V @ IPP 2
Maximum Peak Pulse Current IPP 254.4 A 10/1000us waveform 2
Peak Pulse Power Dissipation PPPM 20000 W 10/1000us waveform (Note 1, Fig.1), TA=25°C 1
Steady State Power Dissipation PM(AV) 1 W TL=75°C, lead lengths .375" (9.5mm) 1
Peak Forward Surge Current IFSM 400 A 8.3ms single half sine-wave superimposed on rated load (JEDEC method) 1
Operating Junction and Storage Temperature Range TJ, TSTG -55 150 °C 1

CAD (KiCad official)

  • Symbol: 20KPA48CA
  • Footprint: Diode_THT:D_P600_R-6_P20.00mm_Horizontal
  • 3D model: P600 (KiCad packages3D, STEP)

Provenance

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

  • Datasheet: amsem datasheet (5 pp, sha256 17d079e65a328df2, 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