component

TPSMB480CA-A

Public Made by Adom

by adom

Littelfuse ESD And Surge Protection (TVS/ESD), DO-214AA(SMBJ). 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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TPSMB480CA-A

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

TPSMB480CA-A from Littelfuse, in a DO-214AA(SMBJ). 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(SMBJ)
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), min VBR 456 504 V @ IT (test current) = 1 mA; bidirectional TPSMB480CA-A row 2
Reverse Stand-off Voltage VR 408 V Reverse stand-off voltage column of electrical characteristics table 2
Maximum Reverse Leakage Current IR 1 µA @ VR 2
Maximum Clamping Voltage VC 658 V @ Ipp (0.9 A) 2
Maximum Peak Pulse Current Ipp 0.9 A 2
Maximum Temperature Coefficient of VBR αT 0.112 %/C 2
Peak Pulse Power Dissipation PPPM 600 W 10/1000µs waveform (Fig.1)(Note 1), (Note 2) 1
Power Dissipation on infinite heat sink PM(AV) 5 W TL = 50°C 1
Peak Forward Surge Current IFSM 100 A 8.3ms Single Half Sine Wave (Note 3) 1
Operating Junction Temperature Range TJ -65 150 °C VBR > 91V 1
Storage Temperature Range TSTG -65 175 °C 1
Typical Thermal Resistance Junction to Lead RθJL 20 °C/W 1
Typical Thermal Resistance Junction to Ambient RθJA 100 °C/W 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 260°C/10 seconds at terminals ■ Matte tin lead-free plated 1

CAD (KiCad official)

  • Symbol: TPSMB480CA-A
  • Footprint: Diode_SMD:D_SMB
  • 3D model: DO-214AA(SMBJ) (KiCad packages3D, STEP)
  • 3D model files: tpsmb480ca-a-etched.step / tpsmb480ca-a-etched.glb carry the MPN laser-etched on the die in a toggleable Adom.LaserEtch group (Fusion-ready); tpsmb480ca-a.step / tpsmb480ca-a.glb are the bare package body.

Provenance

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

  • Datasheet: Littelfuse datasheet (6 pp, sha256 8cc50e1afb0bea8d, retrieved 2026-10-16, 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