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Contents

README

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SP712-02HTG

Littelfuse · ESD And Surge Protection (TVS/ESD) · SOT23-3L

SP712-02HTG from Littelfuse, in a SOT23-3L. 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 One of the two asymmetrical TVS line pins (Pin 1 or Pin 2 to Pin 3), rated for reverse standoff of 12.0 V and clamping/ESD protection referenced to Pin 3.
2 I/O2 passive The other asymmetrical TVS line pin (Pin 1 or Pin 2 to Pin 3), rated for reverse standoff of 12.0 V and clamping/ESD protection referenced to Pin 3.
3 GND power_in Common reference pin for the TVS array; reverse standoff of 7.0 V and diode capacitance (CI/O-GND, 75 pF typ at 0 V, 1 MHz) are specified from Pin 1 or Pin 2 to Pin 3.

Key specifications

Parameter Value
Manufacturer Littelfuse
Package SOT23-3L
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=8/20μs) PPk 640 W tp=8/20μs 2
Peak Pulse Current (tp=8/20μs) IPP 20 A tp=8/20μs 2
Operating Temperature TOP -40 125 °C 2
Storage Temperature TSTOR -55 150 °C 2
Reverse Standoff Voltage VRWM 7 V IR=1μA, Pin 3 to Pin 1 or Pin 2 2
Reverse Standoff Voltage VRWM 12 V IR=1μA, Pin 1 or Pin 2 to Pin 3 2
Breakdown Voltage VBR 7.5 9 V IR=1mA, Pin 3 to Pin 1 or Pin 2 2
Breakdown Voltage VBR 13.3 14.5 V IR=1mA, Pin 1 or Pin 2 to Pin 3 2
Reverse Leakage Current ILEAK 20 μA VR=7V 2
Reverse Leakage Current ILEAK 1 μA VR=12V 2
Clamp Voltage VC 17 19 V IPP=1A, tp=8/20µs, Pin 1 or Pin 2 to Pin 3 2
Clamp Voltage VC 10 11 V IPP=1A, tp=8/20µs, Pin 3 to Pin 1 or Pin 2 2
Clamp Voltage VC 28 32 V IPP=20A, tp=8/20µs, Pin 1 or Pin 2 to Pin 3 2
Clamp Voltage VC 17 20 V IPP=20A, tp=8/20µs, Pin 3 to Pin 1 or Pin 2 2
Dynamic Resistance RDYN 0.26 Ω TLP, tP=100ns 2
ESD Withstand Voltage (Contact Discharge) VESD -30 30 kV IEC 61000-4-2 (Contact Discharge) 2
ESD Withstand Voltage (Air Discharge) VESD -30 30 kV IEC 61000-4-2 (Air Discharge) 2
Diode Capacitance CI/O-GND 75 pF Reverse Bias=0V, f=1MHz; Pin 1 or Pin 2 to Pin 3 2

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 Copper Alloy tin Lead Plating Matte Tin Lead Material Copper Alloy 4

CAD (KiCad official)

  • Symbol: SP712-02HTG
  • Footprint: Package_TO_SOT_SMD:SOT-23-3
  • 3D model: SOT23-3L (KiCad packages3D, STEP)
  • 3D model files: sp712-02htg-etched.step / sp712-02htg-etched.glb carry the MPN laser-etched on the die in a toggleable Adom.LaserEtch group (Fusion-ready); sp712-02htg.step / sp712-02htg.glb are the bare package body.

Provenance

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

  • Datasheet: Littelfuse datasheet (5 pp, sha256 3146de50c87badce, retrieved 2026-10-17, 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