component

SMCJ28CA

Public Made by Adom

by adom

hongjiacheng Electrostatic And Surge Protection (TVS/ESD), SMC(DO-214AB). 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 protectionsmcj28cafactory-2.0.0extractor-text
Overview Files Discover Packages Releases Dependencies Issues Breadcrumbs Pull Requests Activity

3D Model

Open in new tab ↗
Loads when you scroll to it. Unloads after 5 minutes in the background.

Symbol & Footprint

Schematic Symbol

Open full view ↗
Loads when you scroll to it. Unloads after 5 minutes in the background.

PCB Footprint

Open full view ↗
Loads when you scroll to it. Unloads after 5 minutes in the background.

Datasheet

Open in new tab ↗
Loads when you scroll to it. Unloads after 5 minutes in the background.
Download PDF
Contents

README

markdown

SMCJ28CA

hongjiacheng · Electrostatic And Surge Protection (TVS/ESD) · SMC(DO-214AB)

SMCJ28CA from hongjiacheng, in a SMC(DO-214AB). 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 SMC(DO-214AB)
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
Breakdown voltage (min) VBR 31.1 V @IT 1 mA; SMCJ28CA bidirectional 2
Breakdown voltage (max) VBR 34.4 V @IT 1 mA; SMCJ28CA bidirectional 2
Maximum clamping voltage VC 45.4 V @IPP 33.1 A 2
Peak pulse current IPP 33.1 A Column value for SMCJ28CA (10/1000µs waveform) 2
Reverse leakage current IR 1 µA @VRWM 28 V 2
Reverse stand-off voltage VRWM 28 V SMCJ28CA bidirectional 2
Peak pulse power dissipation PPPM 1500 W 10/1000µs waveform (Fig.1)(Note 1), (Note 2) 1
Power dissipation on infinite heat sink PM(AV) 6.5 W at TL=75°C 1
Peak forward surge current IFSM 200 A 8.3ms single half sine wave (Note 3) 1
Operating junction and storage temperature range TJ, TSTG -55 150 ℃ 1
Thermal resistance junction to lead RθJ-L 15 ℃/W Typical 1
Thermal resistance junction to ambient RθJ-A 75 ℃/W Typical 1
Breakdown voltage temperature coefficient ΔVBR 0.1 % × VBR@25℃ × ΔT Typical maximum temperature coefficient 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: SMCJ28CA
  • Footprint: Diode_SMD:D_SMC
  • 3D model: SMC(DO-214AB) (KiCad packages3D, STEP)
  • 3D model files: smcj28ca-etched.step / smcj28ca-etched.glb carry the MPN laser-etched on the die in a toggleable Adom.LaserEtch group (Fusion-ready); smcj28ca.step / smcj28ca.glb are the bare package body.

Provenance

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

  • Datasheet: hongjiacheng datasheet (5 pp, sha256 5cbe7c34174b4905, 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