component

1KSMB15CA

Public Made by Adom

by adom

Littelfuse ESD And Surge Protection (TVS/ESD), DO-214AA. Unpolarised two-terminal part: the datasheet prints no pin numbers, so pins 1 and 2 follow the library convention, KiCad symbol/footprint/3D.

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Made with KiCad 10.0 · needs KiCad 10.0 or later to open · KiCad file format 20260206
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1KSMB15CA

Littelfuse · ESD And Surge Protection (TVS/ESD) · DO-214AA

1KSMB15CA from Littelfuse, in a DO-214AA. 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-214AA
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 14.3 15.8 V @ IT = 1 mA 2
Maximum Clamping Voltage VC 21.2 V @ Ipp = 47.2 A 2
Maximum Peak Pulse Current Ipp 47.2 A 2
Maximum Reverse Leakage Current IR 1 µA @ VR = 12.80 V 2
Peak Pulse Power Dissipation PPPM 1000 W TA=25°C, 10/1000µs waveform (Fig.2)(Note 1), (Note 2) 1
Power Dissipation on Infinite Heat Sink PD 5 W TL=50°C 1
Operating Temperature Range TJ -65 150 °C 1
Storage Temperature Range TSTG -65 175 °C 1
Reverse Stand-off Voltage VR 12.8 V 2
Temperature Coefficient of VBR αT 0.1 % VBR @ TJ = VBR@25°C x (1+αT x (TJ - 25)) 1
Typical Thermal Resistance Junction to Lead RθJL 20 °C/W 1
Typical Thermal Resistance Junction to Ambient RθJA 100 °C/W 1

CAD (KiCad official)

  • Symbol: 1KSMB15CA
  • Footprint: Diode_SMD:D_SMB
  • 3D model: DO-214AA (KiCad packages3D, STEP)
  • 3D model files: 1ksmb15ca-etched.step / 1ksmb15ca-etched.glb carry the MPN laser-etched on the die in a toggleable Adom.LaserEtch group (Fusion-ready); 1ksmb15ca.step / 1ksmb15ca.glb are the bare package body.

Provenance

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

  • Datasheet: Littelfuse datasheet (6 pp, sha256 5456789e35da8ee5, retrieved 2026-10-14, 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