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ASM712H

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Yangzhou Yangjie Elec Tech ESD And Surge Protection (TVS/ESD), SOT-23(TO-236). Pinout reviewed by a person against the datasheet, KiCad symbol/footprint/3D.

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ASM712H

Yangzhou Yangjie Elec Tech · ESD And Surge Protection (TVS/ESD) · SOT-23(TO-236)

ASM712H from Yangzhou Yangjie Elec Tech, in a SOT-23(TO-236). 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/O 1 passive ESD-protected I/O line 1; reverse standoff 12V to pin 3 (breakdown 13.3V min at 1mA), peak pulse current 30A (8/20µs) to pin 3.
2 I/O 2 passive ESD-protected I/O line 2; reverse standoff 12V to pin 3 (breakdown 13.3V min at 1mA), peak pulse current 30A (8/20µs) to pin 3.
3 GND power_in Common ground/return pin; reverse standoff 7V toward pins 1 and 2 (breakdown 7.5V min at 1mA), peak pulse current 38A (8/20µs) from pin 3 to pin 1 or 2.

Key specifications

Parameter Value
Manufacturer Yangzhou Yangjie Elec Tech
Package SOT-23(TO-236)
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
Operating Junction Temperature TJ -55 125 ℃ 1
Storage Temperature TSTG -55 150 ℃ 1
IEC61000-4-2 (ESD) Air VESD -30 30 KV Device stressed with ten non-repetitive ESD pulses (footnote 1) 1
IEC61000-4-2 (ESD) Contact VESD -30 30 KV Device stressed with ten non-repetitive ESD pulses (footnote 1) 1
Peak Pulse Power PPP 600 1000 W Non-repetitive current pulse 8/20μs exponential decay waveform according to IEC61000-4-5 (footnote 2) 1
Peak Pulse Current, Pin 1 or 2 to Pin 3 IPP 30 A Non-repetitive current pulse 8/20μs per IEC61000-4-5 (footnote 2) 1
Peak Pulse Current, Pin 3 to Pin 1 or 2 IPP 38 A Non-repetitive current pulse 8/20μs per IEC61000-4-5 (footnote 2) 1
Reverse Standoff Voltage (Pin 1 to Pin 3 and Pin 2 to Pin 3) VRWM 12 V Pin 1 to Pin 3 and Pin2 to Pin 3 2
Reverse Standoff Voltage (Pin 3 to Pin 1 and Pin 3 to Pin 2) VRWM 7 V Pin 3 to Pin 1 and Pin3 to Pin 2 2
Reverse Leakage Current (Pin 1 to Pin 3 and Pin 2 to Pin 3) IR 0.5 uA VR = VRWM, Pin 1 to Pin 3 and Pin2 to Pin 3 2
Reverse Leakage Current (Pin 3 to Pin 1 and Pin 3 to Pin 2) IR 0.5 uA VR = VRWM, Pin 3 to Pin 1 and Pin3 to Pin 2 2
Breakdown Voltage (Pin 1 to Pin 3 and Pin 2 to Pin 3) V(BR) 13.3 V IT = 1mA, Pin 1 to Pin 3 and Pin2 to Pin 3 2
Breakdown Voltage (Pin 3 to Pin 1 and Pin 3 to Pin 2) V(BR) 7.5 V IT = 1mA, Pin 3 to Pin 1 and Pin3 to Pin 2 2
Clamping Voltage (Pin 1 to Pin 3 and Pin 2 to Pin 3) VC 19 V IPP = 1A (8/20μs pulse), Pin 1 to Pin 3 and Pin2 to Pin 3 2
Clamping Voltage (Pin 3 to Pin 1 and Pin 3 to Pin 2) VC 11 V IPP = 1A (8/20μs pulse), Pin 3 to Pin 1 and Pin3 to Pin 2 2
Clamping Voltage (Pin 1 to Pin 3 and Pin 2 to Pin 3) VC 25 V IPP = 30A (8/20μs pulse), Pin 1 to Pin 3 and Pin2 to Pin 3 2
Clamping Voltage (Pin 3 to Pin 1 and Pin 3 to Pin 2) VC 17 V IPP = 38A (8/20μs pulse), Pin 3 to Pin 1 and Pin3 to Pin 2 2
Junction Capacitance (Pin 1 to Pin 3 and Pin 2 to Pin 3) CJ 75 pF VR = 0V, f = 1MHz, Pin 1 to Pin 3 and Pin2 to Pin 3 2
Junction Capacitance (Pin 3 to Pin 1 and Pin 3 to Pin 2) CJ 75 pF VR = 0V, f = 1MHz, Pin 3 to Pin 1 and Pin3 to Pin 2 2
Junction Capacitance (Pin 1 to Pin 3 and Pin 2 to Pin 3) CJ 38 pF VR = VRWM, f = 1MHz, Pin 1 to Pin 3 and Pin2 to Pin 3 2
Junction Capacitance (Pin 3 to Pin 1 and Pin 3 to Pin 2) CJ 55 pF VR = VRWM, f = 1MHz, Pin 3 to Pin 1 and Pin3 to Pin 2 2
Thermal Resistance Junction-to-Ambient (Typical) RθJ-A 357 ℃/W Typical, Ta=25℃ 2
Thermal Resistance Junction-to-Case (Typical) RθJ-C 143 ℃/W Typical, Ta=25℃ 2

CAD (KiCad official)

  • Symbol: ASM712H
  • Footprint: Package_TO_SOT_SMD:SOT-23
  • 3D model: SOT-23(TO-236) (KiCad packages3D, STEP)
  • 3D model files: asm712h-etched.step / asm712h-etched.glb carry the MPN laser-etched on the die in a toggleable Adom.LaserEtch group (Fusion-ready); asm712h.step / asm712h.glb are the bare package body.

Provenance

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

  • Datasheet: Yangzhou Yangjie Elec Tech datasheet (5 pp, sha256 1a2dd2e69fb09eb0, 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