component

SMA6J33A-TR

Public Made by Adom

by adom

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

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SMA6J33A-TR

STMicroelectronics · ESD And Surge Protection (TVS/ESD) · SMA(DO-214AC)

SMA6J33A-TR from STMicroelectronics, in a SMA(DO-214AC). 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 K passive Cathode: the banded/marked end per the datasheet; pad 1 of the KiCad diode footprint.
2 A passive Anode.

Key specifications

Parameter Value
Manufacturer STMicroelectronics
Package SMA(DO-214AC)
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 leakage current at VRM, 25 °C IRM 0.2 µA @VRM, 25 °C 3
Reverse leakage current at VRM, 85 °C IRM 1 µA @VRM, 85 °C 3
Breakdown voltage VBR 36.7 38.6 40.6 V @IR (1 mA), pulse test tp<50ms 3
Clamping voltage at 10/1000 µs VCL 51.9 V 10/1000 µs, IPP = 11.8 A 3
Dynamic resistance at 10/1000 µs RD 0.963 Ω 10/1000 µs 3
Clamping voltage at 8/20 µs VCL 69 V 8/20 µs, IPP = 57 A 3
Dynamic resistance at 8/20 µs RD 0.512 Ω 8/20 µs 3
Peak pulse power dissipation PPP 600 W 10/1000 µs, Tj initial = Tamb 2
Power dissipation on infinite heatsink P 4 W Tamb = 55 °C 2
Non repetitive surge peak forward current (unidirectional types) IFSM 60 A tp = 10 ms, Tj initial = Tamb 2
Storage temperature range Tstg -65 175 °C 2
Operating junction temperature range Tj -55 175 °C 2
Maximum lead temperature for soldering TL 260 °C during 10 s 2
Thermal resistance junction to leads Rth (j-l) 30 °C/W 2
Thermal resistance junction to ambient Rth (j-a) 120 °C/W on printed circuit on recommended pad layout 2
Stand-off voltage VRM 33 V 3
Voltage temperature coefficient T 10 10-4/°C 3

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 copper ambient versus copper surface under each lead 5

CAD (KiCad official)

  • Symbol: SMA6J33A-TR
  • Footprint: Diode_SMD:D_SMA
  • 3D model: SMA(DO-214AC) (KiCad packages3D, STEP)
  • 3D model files: sma6j33a-tr-etched.step / sma6j33a-tr-etched.glb carry the MPN laser-etched on the die in a toggleable Adom.LaserEtch group (Fusion-ready); sma6j33a-tr.step / sma6j33a-tr.glb are the bare package body.

Provenance

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

  • Datasheet: STMicroelectronics datasheet (10 pp, sha256 502b8709e27ad744, retrieved 2026-10-16, tier: lcsc)
  • Extractor: parts-factory 2.0.0 / extract_pins, primary cathode-band 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