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BV_SM712

ElecSuper · ESD And Surge Protection (TVS/ESD) · SOT-23

BV_SM712 from ElecSuper, in a SOT-23. 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 IO bidirectional Connects to the protected IO line; for Pin1/Pin2 to Pin3 the datasheet gives VRWM 12.0 V, VBR 13.3-16.3 V at IR = 1 mA, and peak pulse current IPP 17 A (tp = 8/20 us).
2 IO bidirectional Connects to the protected IO line; for Pin1/Pin2 to Pin3 the datasheet gives VRWM 12.0 V, VBR 13.3-16.3 V at IR = 1 mA, and peak pulse current IPP 17 A (tp = 8/20 us).
3 GND power_in Connects to GND and serves as the reference for the bidirectional clamp; for Pin3 to Pin1/Pin2 the datasheet gives VRWM 7.0 V, VBR 7.5-9.8 V, and IPP 22 A (tp = 8/20 us).

Key specifications

Parameter Value
Manufacturer ElecSuper
Package SOT-23
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
Peak pulse power (tp=8/20us)@25℃ Ppk 400 W tp=8/20us @25℃ 2
Peak pulse current (tp=8/20us)@25℃, Pin1,2-Pin3 IPP 17 A tp=8/20us @25℃; Pin1,2-Pin3 2
Peak pulse current (tp=8/20us)@25℃, Pin3-Pin1,2 IPP 22 A tp=8/20us @25℃; Pin3-Pin1,2 2
ESD (IEC61000-4-2 air discharge) @25℃ VESD 30 kV IEC61000-4-2 air discharge @25℃; printed as ±30kV 2
ESD (IEC61000-4-2 contact discharge) @25℃ VESD 30 kV IEC61000-4-2 contact discharge @25℃; printed as ±30kV 2
Junction temperature TJ 150 ℃ 2
Operating temperature TOP -40 125 ℃ Operating free-air temperature range 2
Storage temperature TSTG -55 150 ℃ 2
Lead temperature TL 260 ℃ 2
Reverse stand-off voltage, Pin1 or Pin2 to Pin3 VRWM 12 V Pin1 or Pin2 to Pin3 3
Reverse stand-off voltage, Pin3 to Pin1 or Pin2 VRWM 7 V Pin3 to Pin1 or Pin2 3
Reverse breakdown voltage, Pin1 or Pin2 to Pin3 VBR 13.3 16.3 V Pin1 or Pin2 to Pin3; IR= 1mA 3
Reverse breakdown voltage, Pin3 to Pin1 or Pin2 VBR 7.5 9.8 V Pin3 to Pin 1or Pin2; IR= 1mA 3
Reverse leakage current, Pin1 or Pin2 to Pin3 IR 1 uA Pin1 or Pin2 to Pin3; VRWM=12V 3
Reverse leakage current, Pin3 to Pin1 or Pin2 IR 1 uA Pin3 to Pin1or Pin2; VRWM=7V 3
Clamping voltage, Pin1 or Pin2 to Pin3 VCL 24 V Pin1 or Pin2 to Pin3; IPP=17A 3
Clamping voltage, Pin3 to Pin1 or Pin2 VCL 18 V Pin3 to Pin1 or Pin2; IPP=22A 3
Junction capacitance CO 40 pF I/O-GDN, VR=0V; f = 1MHz 3

CAD (KiCad official)

  • Symbol: BV_SM712
  • Footprint: Package_TO_SOT_SMD:SOT-23
  • 3D model: SOT-23 (KiCad packages3D, STEP)
  • 3D model files: bv-sm712-etched.step / bv-sm712-etched.glb carry the MPN laser-etched on the die in a toggleable Adom.LaserEtch group (Fusion-ready); bv-sm712.step / bv-sm712.glb are the bare package body.

Provenance

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

  • Datasheet: ElecSuper datasheet (7 pp, sha256 5ddf1bde962305e6, retrieved 2026-10-19, tier: lcsc)
  • Extractor: parts-factory 2.0.0 / extract_pins 0.3, primary claude-haiku-5-5 (text), consensus claude-sonnet-5-5 (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