component

SA33A

Public Made by Adom

by adom

Brightking Elec (TAIWAN) TVS, DO-15. Unpolarised two-terminal part: the datasheet prints no pin numbers, so pins 1 and 2 follow the library convention, KiCad symbol/footprint/3D.

componentcircuit protectionsa33afactory-2.0.0extractor-text

Changed since verified SA33A

by Ray · last 31 Oct 2026 · 1 record · files changed since
SymbolFootprint3D modelPins

Verification log 1 record

31 Oct 2026RayPublished by the parts factory: tier lcsc, 2 pinschanged since
SymbolFootprint3D modelPinsfor all variants
  • ✓component-page-verify: PASS
  • ✓cad_props: Datasheet, MPN and distributor properties match page.json
  • ✓component: SA33A · DO-15 · 2 pins
  • ✓copper: 2 copper pads, none touching another net
  • ✓datasheet: all 2 pin names found in the 6-page datasheet
  • ✓distributor: lcsc C523118, digikey SA33ALFTR-ND, mouser 576-SA33A
  • ✓family: D_DO-15_P12.70mm_Horizontal
  • ✓files: 6 declared files present
  • ✓hero: docs/hero.png 4000x2500
  • ✓lbr: OK: /tmp/cpv-j1__q66n/x.lbr is a valid EAGLE .lbr with complete deviceset
  • ✓license: CC-BY-SA-4.0
  • ✓models_3d: 1 records
  • •package_fit (skip): the datasheet dimensions give no height or body size to compare (datasheet p.2)
  • ✓pads: 2 pins = 2 pads
  • ✓pose: 1 STEP(s) Z-up, seated, centred
  • ✓symbol: 2 pins agree
  • ✓visibility: public, source open
Evidencedatasheet
Verified files! sa33a.kicad_sym✓ sa33a.kicad_mod✓ sa33a.step
Spot something wrong? Report it as an issue Propose a fix Records are signed by members of adom.
Overview Files Discover Packages Releases Dependencies Issues Breadcrumbs Pull Requests Activity
main
Download ZIP Propose a change
Made with kicad-footprint-generator 10.0 · KiCad file format 20260206
Name Last commit message Last updated
docs Publish 0.1.0 · Ray 8d ago
viewers sa33a: symbol repaired (D_Zener, cathode pad 1) · Ray 3d ago
package.json Publish 0.1.0 · Ray 8d ago
page.json Set visibility: public · Ray 8d ago
README.md Publish 0.1.0 · Ray 8d ago
sa33a-hero.glb Publish 0.1.0 · Ray 8d ago
sa33a-hero.overlay.json Publish 0.1.0 · Ray 8d ago
sa33a.glb Publish 0.1.0 · Ray 8d ago
sa33a.kicad_mod Publish 0.1.0 · Ray 8d ago
sa33a.kicad_sym sa33a: symbol repaired (D_Zener, cathode pad 1) · Ray 3d ago
sa33a.lbr sa33a: symbol repaired (D_Zener, cathode pad 1) · Ray 3d ago
sa33a.step Publish 0.1.0 · Ray 8d ago
verification.json Verified: Published by the parts factory: tier lcsc, 2 pins · Ray 8d ago

SA33A

Brightking Elec (TAIWAN) · TVS · DO-15

SA33A from Brightking Elec (TAIWAN), in a 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 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 Brightking Elec (TAIWAN)
Package 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 36.7 40.6 V @IT 1 mA 3
Maximum clamping voltage VC 53.3 V @IPP 9.6 A 3
Reverse leakage IR 1 μA @VRWM 33.0 V 3
Peak pulse power dissipation PPPM 500 Watts 10/1000μs waveform (Note1, Note2, Fig.1) 1
Steady state power dissipation PM(AV) 3 Watts TA=50℃ (Fig.5) 1
Peak forward surge current IFSM 70 Amps 8.3ms single half sine-wave superimposed on rated load, (JEDEC Method) (Note3, Fig.6) 1
Operating junction and storage temperature range TJ,TSTG -55 150 ℃ 1
Typical thermal resistance junction to lead RθJL 20 ℃/W 1
Typical thermal resistance junction to ambient RθJA 75 ℃/W 1

CAD (KiCad official)

  • Symbol: SA33A
  • Footprint: Diode_THT:D_DO-15_P12.70mm_Horizontal
  • 3D model: DO-15 (KiCad packages3D, STEP)

Provenance

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

  • Datasheet: Brightking Elec (TAIWAN) datasheet (6 pp, sha256 f0dc01ead7acea2f, retrieved 2026-10-31, 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