component

TPSMB68CA

Public Made by Adom

by adom

Littelfuse ESD And Surge Protection (TVS/ESD), DO-214AA(SMBJ). Pinout reviewed by a person against the datasheet, 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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TPSMB68CA

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

TPSMB68CA 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 Terminal 1 passive Bi-directional TVS terminal with no polarity (TPSMB68CA, VBR 64.60-71.40V at 1mA, VR 58.1V, max clamping 92.0V at 6.6A Ipp), interchangeable with the other terminal.
2 Terminal 2 passive Bi-directional TVS terminal with no polarity (TPSMB68CA, VBR 64.60-71.40V at 1mA, VR 58.1V, max clamping 92.0V at 6.6A Ipp), interchangeable with the other terminal.

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 (bidirectional TPSMB68CA), minimum VBR 64.6 V IT = 1 mA 2
Breakdown voltage (bidirectional TPSMB68CA), maximum VBR 71.4 V IT = 1 mA 2
Maximum clamping voltage VC 92 V Ipp = 6.6 A 2
Maximum peak pulse current Ipp 6.6 A 2
Maximum reverse leakage current IR 1 µA VR = 58.10 V 2
Typical reverse leakage current at 150°C IR 8 µA 150°C 2
Maximum temperature coefficient of VBR 0.103 %/C 2
Reverse stand-off voltage VR 58.1 V 2
Peak pulse power dissipation PPPM 600 W 10/1000µs waveform (Fig.1), Notes 1 and 2 1
Power dissipation on infinite heat sink PM(AV) 5 W TL = 50°C 1
Operating junction temperature range (VBR ≤ 91V) TJ -65 175 °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: TPSMB68CA
  • Footprint: Diode_SMD:D_SMB
  • 3D model: DO-214AA(SMBJ) (KiCad packages3D, STEP)
  • 3D model files: tpsmb68ca-etched.step / tpsmb68ca-etched.glb carry the MPN laser-etched on the die in a toggleable Adom.LaserEtch group (Fusion-ready); tpsmb68ca.step / tpsmb68ca.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 2026-10-20, tier: lcsc)
  • Extractor: ds2sf (Claude). Every pin and dimension is cited to a datasheet page; it refuses to fabricate.
  • CAD: KiCad official libraries (CC-BY-SA 4.0).

Datasheet PDF