component

1.5KE43CA-E3

Public Made by Adom

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Vishay Intertech TVS, DO-27. Unpolarised two-terminal part: the datasheet prints no pin numbers, so pins 1 and 2 follow the library convention, KiCad symbol/footprint/3D.

componentcircuit protection1.5ke43ca-e3factory-2.0.0extractor-text

Changed since verified 1.5KE43CA-E3

by Ray · last 30 Oct 2026 · 1 record · files changed since
SymbolFootprint3D modelPins

Verification log 1 record

30 Oct 2026RayPublished by the parts factory: tier mfr, 2 pinschanged since
SymbolFootprint3D modelPinsfor all variants
  • ✓component-page-verify: PASS
  • ✓cad_props: Datasheet, MPN and distributor properties match page.json
  • ✓component: 1.5KE43CA-E3 · DO-27 · 2 pins
  • ✓copper: 2 copper pads, none touching another net
  • ✓datasheet: all 2 pin names found in the 6-page datasheet
  • •distributor (warn): no ['digikey', 'mouser'] number
  • ✓family: D_DO-27_P15.24mm_Horizontal
  • ✓files: 6 declared files present
  • ✓hero: docs/hero.png 4000x2500
  • ✓lbr: OK: /tmp/cpv-g4m045md/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.5)
  • ✓pads: 2 pins = 2 pads
  • ✓pose: 1 STEP(s) Z-up, seated, centred
  • ✓symbol: 2 pins agree
  • ✓visibility: public, source open
Evidencedatasheet
Verified files! 1-5ke43ca-e3.kicad_sym✓ 1-5ke43ca-e3.kicad_mod✓ 1-5ke43ca-e3.step
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Made with kicad-footprint-generator 10.0 · KiCad file format 20260206
Name Last commit message Last updated
docs Publish 0.1.0 · Ray 10d ago
viewers 1-5ke43ca-e3: symbol repaired (D_Zener, cathode pad 1) · Ray 5d ago
1-5ke43ca-e3-hero.glb Publish 0.1.0 · Ray 10d ago
1-5ke43ca-e3-hero.overlay.json Publish 0.1.0 · Ray 10d ago
1-5ke43ca-e3.glb Publish 0.1.0 · Ray 10d ago
1-5ke43ca-e3.kicad_mod Publish 0.1.0 · Ray 10d ago
1-5ke43ca-e3.kicad_sym 1-5ke43ca-e3: symbol repaired (D_Zener, cathode pad 1) · Ray 5d ago
1-5ke43ca-e3.lbr 1-5ke43ca-e3: symbol repaired (D_Zener, cathode pad 1) · Ray 5d ago
1-5ke43ca-e3.step Publish 0.1.0 · Ray 10d ago
package.json Publish 0.1.0 · Ray 10d ago
page.json Set visibility: public · Ray 10d ago
README.md Publish 0.1.0 · Ray 10d ago
verification.json Verified: Published by the parts factory: tier mfr, 2 pins · Ray 10d ago

1.5KE43CA-E3

Vishay Intertech · TVS · DO-27

1.5KE43CA-E3 from Vishay Intertech, in a DO-27. 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 Vishay Intertech
Package DO-27
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 (1.5KE43CA, bidirectional; 1.5KE43A row) VBR 40.9 45.2 V at IT = 1.0 mA 2
Maximum reverse leakage ID 1 µA at VWM = 36.8 V 2
Maximum peak pulse current IPPM 25.3 A 2
Maximum clamping voltage VC 59.3 V at IPPM 2
Maximum temperature coefficient of VBR 0.101 %/°C 2
Stand-off voltage VWM 36.8 V 2
Peak pulse power dissipation PPPM 1500 W 10/1000 µs waveform 1
Power dissipation PD 6.5 W on infinite heatsink at TL = 75 °C 1
Operating junction and storage temperature range TJ, TSTG -55 175 °C 1
Typical thermal resistance, junction to ambient RJA 75 °C/W 3
Typical thermal resistance, junction to lead RJL 15.4 °C/W 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 tin Terminals: matte tin plated leads, solderable per J-STD-002 and JESD 22-B102 1

CAD (KiCad official)

  • Symbol: 1.5KE43CA-E3
  • Footprint: Diode_THT:D_DO-27_P15.24mm_Horizontal
  • 3D model: DO-27 (KiCad packages3D, STEP)

Provenance

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

  • Datasheet: Vishay Intertech datasheet (6 pp, sha256 2fa6759f40b05cc2, retrieved 2026-10-30, tier: manufacturer)
  • 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