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Contents

README

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1.5KE530CA-B

Littelfuse · ESD And Surge Protection (TVS/ESD) · DO-201

1.5KE530CA-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 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 Littelfuse
Package DO-201
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 503.5 556.5 V @ IT = 1 mA 2
Maximum clamping voltage VC 725 V @ Ipp = 2.8 A 2
Maximum peak pulse current Ipp 2.8 A 2
Maximum reverse leakage current IR 1 µA @ VR = 451.00 V 2
Reverse stand-off voltage VR 451 V 2
VBR voltage tolerance (type code CA, 5% VBR voltage tolerance) VBR -5 5 % Bi-directional type code CA 6
Peak pulse power dissipation, 10/1000µs, stacked-die parts PPPM 2000 W 10/1000µs test waveform, stacked-die parts (Note 4) 1
Steady state power dissipation on infinite heat sink PD 6.5 W TL = 75 ºC 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
VBR temperature coefficient (typical) αT 0.1 % VBR at TJ = VBR at 25°C × (1 + αT × (TJ − 25)) 1

CAD (KiCad official)

  • Symbol: 1.5KE530CA-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 2026-10-15, 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