component

TS1821LEX

Public Made by Adom

by adom

Shenzhen JingYang ESD And Surge Protection (TVS/ESD), SOD-323. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.

componentcircuit protectionts1821lexfactory-2.0.0extractor-text

Changed since verified TS1821LEX

by Ray · last 4 Nov 2026 · 1 record · files changed since
SymbolFootprint3D modelPins

Verification log 1 record

4 Nov 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: TS1821LEX · SOD-323 · 2 pins
  • ✓copper: 2 copper pads, none touching another net
  • ✓datasheet: all 2 pin names found in the 5-page datasheet
  • •distributor (warn): no ['digikey', 'mouser'] number
  • ✓family: D_SOD-323
  • ✓files: 7 declared files present
  • ✓hero: docs/hero.png 4000x2500
  • ✓lbr: OK: /tmp/cpv-9i8l5080/x.lbr is a valid EAGLE .lbr with complete deviceset
  • ✓license: CC-BY-SA-4.0
  • ✓models_3d: 2 records
  • •package_fit (skip): no component.package_dims on the page: the model is unchecked against the datasheet drawing
  • ✓pads: 2 pins = 2 pads
  • ✓pose: 2 STEP(s) Z-up, seated, centred
  • ✓symbol: 2 pins agree
  • ✓visibility: public, source open
Evidencedatasheet
Verified files! ts1821lex.kicad_sym✓ ts1821lex.kicad_mod✓ ts1821lex.step
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Ray Publish 0.1.0 11516ac 2d ago

TS1821LEX

Shenzhen JingYang · ESD And Surge Protection (TVS/ESD) · SOD-323

TS1821LEX from Shenzhen JingYang, in a SOD-323. 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 I/O_1 bidirectional Bidirectional TVS line protection rated for a 18V working voltage, ±30kV ESD per IEC 61000-4-2 (air and contact), and 12A peak pulse current (8/20us) per IEC 61000-4-5.
2 I/O_2 bidirectional Bidirectional TVS line protection rated for a 18V working voltage, ±30kV ESD per IEC 61000-4-2 (air and contact), and 12A peak pulse current (8/20us) per IEC 61000-4-5.

Key specifications

Parameter Value
Manufacturer Shenzhen JingYang
Package SOD-323
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
ESD per IEC 61000-4-2 (Air) VESD -30 30 kV ESD per IEC 61000-4-2 (Air) 2
ESD per IEC 61000-4-2 (Contact) VESD -30 30 kV ESD per IEC 61000-4-2 (Contact) 2
Peak Pulse Current IPP 12 A Peak Pulse Current(8/20us) 2
Operating Temperature TOPT -55 150 °C 2
Storage Temperature TSTG -55 150 °C 2
Lead Soldering Temperature TL 260 °C 10 sec. 2
Reverse Breakdown Voltage @ IT VBR 22 V IT = 1mA 2
Clamping Voltage @ IPP VC 34 V IPP = 8A, tp = 8/20μs 2
Clamping Voltage @ IPP VC 36 V IPP = 12A, tp = 8/20μs 2
Reverse Leakage Current @ VRWM IR 0.01 0.1 uA VRWM =18.0V, T = 25C 2
Nominal Reverse Working Voltage VRWM 18 V 2

CAD (KiCad official)

  • Symbol: TS1821LEX
  • Footprint: Diode_SMD:D_SOD-323
  • 3D model: SOD-323 (KiCad packages3D, STEP)
  • 3D model files: ts1821lex-etched.step / ts1821lex-etched.glb carry the MPN laser-etched on the die in a toggleable Adom.LaserEtch group (Fusion-ready); ts1821lex.step / ts1821lex.glb are the bare package body.

Provenance

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

  • Datasheet: Shenzhen JingYang datasheet (5 pp, sha256 9be3d752232fd250, retrieved 2026-11-04, tier: lcsc)
  • Extractor: parts-factory 2.0.0 / extract_pins 0.3, primary claude-haiku-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