component

1.5KE56CA-B

Public Made by Adom

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Littelfuse TVS, DO-201. 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 protection1.5ke56ca-bfactory-2.0.0extractor-text

Verified 1.5KE56CA-B

by Ray · last 2 Nov 2026 · 1 record · files match
SymbolFootprint3D modelPins

Verification log 1 record

2 Nov 2026RayPublished by the parts factory: tier lcsc, 2 pinsfiles match
SymbolFootprint3D modelPinsfor all variants
  • ✓component-page-verify: PASS
  • ✓cad_props: Datasheet, MPN and distributor properties match page.json
  • ✓component: 1.5KE56CA-B · DO-201 · 2 pins
  • ✓copper: 2 copper pads, none touching another net
  • ✓datasheet: unpolarised two-terminal part: pins 1 and 2 by library convention, no names to check
  • ✓distributor: lcsc C1665979, digikey 1.5KE56CA-B-ND, mouser 576-1.5KE56CA-B
  • ✓family: D_DO-201AD_P15.24mm_Horizontal
  • ✓files: 6 declared files present
  • ✓hero: docs/hero.png 4000x2500
  • ✓lbr: OK: /tmp/cpv-i0noc4ns/x.lbr is a valid EAGLE .lbr with complete deviceset
  • ✓license: CC-BY-SA-4.0
  • ✓models_3d: 1 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: 1 STEP(s) Z-up, seated, centred
  • ✓symbol: 2 pins agree
  • ✓visibility: public, source open
Evidencedatasheet
Verified files✓ 1-5ke56ca-b.kicad_sym✓ 1-5ke56ca-b.kicad_mod✓ 1-5ke56ca-b.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 8d ago
viewers 1-5ke56ca-b: viewers · Ray 8d ago
1-5ke56ca-b-hero.glb Publish 0.1.0 · Ray 8d ago
1-5ke56ca-b-hero.overlay.json Publish 0.1.0 · Ray 8d ago
1-5ke56ca-b.glb Publish 0.1.0 · Ray 8d ago
1-5ke56ca-b.kicad_mod Publish 0.1.0 · Ray 8d ago
1-5ke56ca-b.kicad_sym Publish 0.1.0 · Ray 8d ago
1-5ke56ca-b.lbr Publish 0.1.0 · Ray 8d ago
1-5ke56ca-b.step Publish 0.1.0 · Ray 8d 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
verification.json Verified: Published by the parts factory: tier lcsc, 2 pins · Ray 8d ago

1.5KE56CA-B

Littelfuse · TVS · DO-201

1.5KE56CA-B from Littelfuse, in a DO-201. 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 Littelfuse
Package DO-201
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 VBR 53.2 58.8 V @ IT = 1 mA 2
Maximum Clamping Voltage VC 77 V @ Ipp = 19.7 A 2
Maximum Peak Pulse Current Ipp 19.7 A 2
Maximum Reverse Leakage IR 1 µA @ VR = 47.80 V 2
Reverse Stand off Voltage VR 47.8 V 2
VBR voltage tolerance (Bi-directional, type code CA) -5 5 % 6
Peak Pulse Power Dissipation (single die) PPPM 1500 W 10/1000µs test waveform (Note 1) 1
Steady State Power Dissipation PD 6.5 W on infinite heat sink at TL = 75ºC 1
Operating Junction and Storage Temperature Range TJ, TSTG -55 175 °C 1
Typical Thermal Resistance Junction to Lead RθJL 15 °C/W 1
Typical Thermal Resistance Junction to Ambient RθJA 75 °C/W 1
Temperature Coefficient of VBR αT 0.1 % VBR temperature coefficient, typical value 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 1

CAD (KiCad official)

  • Symbol: 1.5KE56CA-B
  • Footprint: Diode_THT:D_DO-201AD_P15.24mm_Horizontal
  • 3D model: DO-201 (KiCad packages3D, STEP)

Provenance

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

  • Datasheet: Littelfuse datasheet (6 pp, sha256 4290e23a327d9203, retrieved 2026-11-02, 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