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Contents

README

markdown

1.5KE440CA

RUILON(Shenzhen Ruilongyuan Elec) · TVS · DO-201

1.5KE440CA from RUILON(Shenzhen Ruilongyuan Elec), 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 RUILON(Shenzhen Ruilongyuan Elec)
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
Peak Pulse Power Dissipation PPP 1500 W 10x1000µs waveform (Note 1)(Fig. 2) 1
Steady State Power Dissipation PD 5 W Infinite heat sink at TL=75°C (Fig. 6) 1
Operating junction and storage temperature range TJ,TSTG -55 150 °C 1
Reverse Stand-Off Voltage VRWM 376 V Bi-directional (1.5KE440CA) 3
Breakdown Voltage VBR 418 462 V IT = 1 mA 3
Maximum Clamping Voltage VC 602 V at IPP, 10/1000µs waveform 3
Maximum Peak Pulse Current IPP 2.5 A 10/1000µs waveform 3
Reverse Leakage Current IR 1 µA at VRWM 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 l Matte tin lead-free Plated l Low incremental surge resistance 1

CAD (KiCad official)

  • Symbol: 1.5KE440CA
  • 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: RUILON(Shenzhen Ruilongyuan Elec) datasheet (6 pp, sha256 90967e81fb1cb38e, retrieved 2026-10-21, 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