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Contents

README

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HDDTC143ECA7F

HXY MOSFET · Digital Transistors · SOT-23

HDDTC143ECA7F from HXY MOSFET, 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 IN input Input pin of the built-in bias-resistor inverter; the datasheet gives the input voltage rating as -5 to +30 V.
2 GND power_in Ground reference pin for the digital transistor; the datasheet gives no additional limit for this pin.
3 OUT output Output pin of the digital transistor, rated for an output current of 100 mA maximum.

Key specifications

Parameter Value
Manufacturer HXY MOSFET
Package SOT-23
Category Transistors/Thyristors
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
Input Voltage VIN -5 30 V 1
Output Current IO 100 mA 1
Power Dissipation PD 200 mW 1
Operation Junction and Storage Temperature Range TJ,Tstg -55 150 ℃ 1
Input voltage VI(off) 0.5 V VCC=5V,IO=100µA 1
Input voltage VI(on) 1.3 V VO=0.3V ,IO=5mA 1
Output voltage VO(on) 0.1 0.3 V IO/II=5mA/0.25mA 1
Input current II 1.8 mA VI=5V 1
Output current IO(off) 0.5 μA VCC=50V,VI=0 1
DC current gain GI 80 VO=5V,IO=10mA 1
Input resistance R1 3.29 4.7 6.11 kΩ 1
Resistance ratio R2/R1 0.8 1 1.2 1

CAD (KiCad official)

  • Symbol: HDDTC143ECA7F
  • Footprint: Package_TO_SOT_SMD:SOT-23
  • 3D model: SOT-23 (KiCad packages3D, STEP)
  • 3D model files: hddtc143eca7f-etched.step / hddtc143eca7f-etched.glb carry the MPN laser-etched on the die in a toggleable Adom.LaserEtch group (Fusion-ready); hddtc143eca7f.step / hddtc143eca7f.glb are the bare package body.

Provenance

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

  • Datasheet: HXY MOSFET datasheet (4 pp, sha256 306d6eb7cf244ce2, retrieved 2026-10-18, 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