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SA15CA

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amsem Electrostatic And Surge Protection (TVS/ESD), DO-204AC(DO-15). Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.

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SA15CA

amsem · Electrostatic And Surge Protection (TVS/ESD) · DO-204AC(DO-15)

SA15CA from amsem, 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 A1 passive Bi-directional terminal (SA15CA): tin-plated axial lead with no polarity; the part clamps at VC 24.4 V max at IPP 20.5 A, VRWM 15 V, VBR 16.7-18.5 V at 1.0 mA.
2 A2 passive Bi-directional terminal (SA15CA): tin-plated axial lead with no polarity; either lead can be the more positive side, with 500 W peak pulse power (10/1000us) rating.

Key specifications

Parameter Value
Manufacturer amsem
Package DO-204AC(DO-15)
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
Breakdown voltage VBR 16.7 18.5 V @ IT = 1.0 mA 2
Maximum reverse leakage IR 5 μA @ VWM 2
Working peak reverse voltage VRWM 15 V 2
Maximum reverse surge current IPP 20.5 A 2
Maximum clamping voltage Vc 24.4 V @ IPP 2
Maximum temperature coefficient of VBR 16 %/°C 2
Peak power dissipation PPPM 500 W 10/1000us waveform, Ta=25℃ 1
Power dissipation PD 3 W on infinite heat sink at TL=75℃ 1
Operating junction and storage temperature range TJ, TSTG -55 150 ℃ 1
Breakdown test current IT 1 mA VBR test current 2

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 ● Terminals: Tin plated leads, solderable per J-STD￾002 and JESD22-B102 ● Polarity:Color band denotes cathode end 1

CAD (KiCad official)

  • Symbol: SA15CA
  • 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: amsem datasheet (7 pp, sha256 ca56efbc7e5f6f4f, retrieved 2026-10-27, 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