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SMBJ20CA

Public Made by Adom

by adom

hongjiacheng Electrostatic And Surge Protection (TVS/ESD), DO-214AA(SMB). Unpolarised two-terminal part: the datasheet prints no pin numbers, so pins 1 and 2 follow the library convention, KiCad symbol/footprint/3D.

componenttvs-fuse-board level protectionsmbj20cafactory-2.0.0extractor-text
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3D Model

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Symbol & Footprint

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Datasheet

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Contents

README

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SMBJ20CA

hongjiacheng · Electrostatic And Surge Protection (TVS/ESD) · DO-214AA(SMB)

SMBJ20CA from hongjiacheng, in a DO-214AA(SMB). 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 1 passive Terminal 1 of an unpolarised fuse; either orientation.
2 2 passive Terminal 2 of an unpolarised fuse; either orientation.

Key specifications

Parameter Value
Manufacturer hongjiacheng
Package DO-214AA(SMB)
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
Peak Pulse Power Dissipation (10/1000µs waveform) PPPM 600 W 10/1000µs waveform (Fig.1)(Note 1), (Note 2) 1
Power Dissipation on Infinite Heat Sink PM(AV) 5 W TL=75°C 1
Peak Forward Surge Current IFSM 100 A 8.3ms single half sine wave (Note 3) 1
Operating junction and storage temperature range TJ, TSTG -55 150 ℃ 1
Breakdown Voltage (min) VBR 22.2 V @IT test current 1 mA 2
Breakdown Voltage (max) VBR 24.5 V @IT test current 1 mA 2
Maximum Clamping Voltage VC 32.4 V @IPP 18.52 A 2
Reverse Leakage Current IR 5 µA @VRWM 2
Reverse Stand-Off Voltage VRWM 20 V 2
Maximum temperature coefficient of breakdown voltage ΔVBR 0.1 % × VBR@25℃ × ΔT Typical maximum; ΔT in ℃ as printed 1
Typical thermal resistance junction to lead RθJ-L 20 ℃/W Typical 1
Typical thermal resistance junction to ambient RθJ-A 100 ℃/W Typical 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 compliant 1

CAD (KiCad official)

  • Symbol: SMBJ20CA
  • Footprint: Diode_SMD:D_SMB
  • 3D model: DO-214AA(SMB) (KiCad packages3D, STEP)
  • 3D model files: smbj20ca-etched.step / smbj20ca-etched.glb carry the MPN laser-etched on the die in a toggleable Adom.LaserEtch group (Fusion-ready); smbj20ca.step / smbj20ca.glb are the bare package body.

Provenance

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

  • Datasheet: hongjiacheng datasheet (5 pp, sha256 3a3b185ee9f21932, retrieved 2026-10-21, tier: lcsc)
  • Extractor: parts-factory 2.0.0 / extract_pins, primary two-terminal convention (convention), consensus off (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