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Contents

README

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SP0503BAHTG-ES

ElecSuper · ESD And Surge Protection (TVS/ESD) · SOT-143

SP0503BAHTG-ES from ElecSuper, in a SOT-143. 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 GND power_in Connect to GND.
2 IO bidirectional Connect to IO line; the reverse stand-off voltage VRWM is 5.0 V per Table-4.
3 IO bidirectional Connect to IO line; the reverse stand-off voltage VRWM is 5.0 V per Table-4.
4 IO bidirectional Connect to IO line; the reverse stand-off voltage VRWM is 5.0 V per Table-4.

Key specifications

Parameter Value
Manufacturer ElecSuper
Package SOT-143
Category Circuit Protection
Pins 4

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 Ppk 60 W tp=8/20us @25℃ 2
Peak pulse current IPP 4 A tp=8/20us @25℃ 2
ESD (IEC61000-4-2 air discharge) VESD -15 15 kV @25℃ 2
ESD (IEC61000-4-2 contact discharge) VESD -8 8 kV @25℃ 2
Junction temperature TJ 150 ℃ 2
Operating temperature TOP -40 125 ℃ 2
Storage temperature TSTG -55 150 ℃ 2
Lead temperature TL 260 ℃ 2
Reverse Stand-off Voltage VRWM 5 V 3
Reverse Breakdown Voltage VBR 6 V IT=1mA 3
Reverse Leakage Current IR 1 uA VRWM=5V 3
Clamping Voltage VC 9 11 V IPP=1A; tp=8/20us 3
Clamping Voltage VC 12 15 V IPP=4A; tp=8/20us 3
Junction Capacitance, I/O pin to I/O pin CJ 0.3 0.4 pF VR=0V; f=1MHz 3
Junction Capacitance, I/O pin to GND CJ 0.6 0.8 pF VR=0V; f=1MHz 3

CAD (KiCad official)

  • Symbol: SP0503BAHTG-ES
  • Footprint: Package_TO_SOT_SMD:SOT-143
  • 3D model: SOT-143 (KiCad packages3D, STEP)
  • 3D model files: sp0503bahtg-es-etched.step / sp0503bahtg-es-etched.glb carry the MPN laser-etched on the die in a toggleable Adom.LaserEtch group (Fusion-ready); sp0503bahtg-es.step / sp0503bahtg-es.glb are the bare package body.

Provenance

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

  • Datasheet: ElecSuper datasheet (7 pp, sha256 26c0bea7539cc940, retrieved 2026-11-05, 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