component

BNUBT32A05L02

Public Made by Adom

by adom

BORN ESD And Surge Protection (TVS/ESD), SOT-323. Pinout reviewed by a person against the datasheet, KiCad symbol/footprint/3D.

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BNUBT32A05L02

BORN · ESD And Surge Protection (TVS/ESD) · SOT-323

BNUBT32A05L02 from BORN, in a SOT-323. 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 I/O1 passive ESD-protected line 1 (unidirectional TVS diode anode side), 5.0V max reverse working voltage, 0.3pF typical junction capacitance, 72W peak pulse power (8/20us).
2 I/O2 passive ESD-protected line 2 (unidirectional TVS diode anode side), 5.0V max reverse working voltage, 0.3pF typical junction capacitance, 72W peak pulse power (8/20us).
3 COMMON passive Common pin shared by both diodes in the schematic, tied to the other side of the two unidirectional TVS diodes (the datasheet does not label it as GND).

Key specifications

Parameter Value
Manufacturer BORN
Package SOT-323
Category Circuit Protection
Pins 3

Electrical characteristics

Limits as printed in the datasheet (page.json metadata.characteristics carries them as data).

Parameter Symbol Min Typ Max Unit Conditions Page
Reverse Stand-Off Voltage VRWM 5 V 2
Reverse Breakdown Voltage VBR 6 7.5 9.5 V IT=1mA 2
Reverse Leakage Current IR 0.5 uA VRWM=5V,T=25◦C 2
Peak Pulse Current IPP 4 A tp=8/20us 2
Clamping Voltage VC 15 18 V IPP=4.0A, tp=8/20us 2
Junction Capacitance Cj 0.3 0.5 pF VR=0V,T=25◦C,f=1MHZ 2
Peak Pulse Power PPP 72 Watts tp=8/20μs 2
Peak Pulse Current IPP 4 A tp=8/20μs 2
ESD per IEC 61000-4-2 (Air) VESD 20 KV 2
ESD per IEC 61000-4-2 (Contact) VESD 15 KV 2
Lead Soldering Temperature TL 260 ◦C 10 seconds 2
Junction Temperature TJ -55 150 ◦C 2
Storage Temperature Tstg -55 150 ◦C 2

CAD (KiCad official)

  • Symbol: BNUBT32A05L02
  • Footprint: Package_TO_SOT_SMD:SOT-323_SC-70
  • 3D model: SOT-323 (KiCad packages3D, STEP)
  • 3D model files: bnubt32a05l02-etched.step / bnubt32a05l02-etched.glb carry the MPN laser-etched on the die in a toggleable Adom.LaserEtch group (Fusion-ready); bnubt32a05l02.step / bnubt32a05l02.glb are the bare package body.

Provenance

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

  • Datasheet: BORN datasheet (4 pp, sha256 c6766fcb455eab65, retrieved 2026-10-21, 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