component

STPS40170CT

Public Made by Adom

by adom

STMicroelectronics Schottky Diodes, TO-220AB-3. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.

componentdiodesstps40170ctfactory-2.0.0extractor-text
Overview Files Discover Packages Releases Dependencies Issues Breadcrumbs Pull Requests Activity
main
stps40170ct / README.md
History Download
Ray Publish 0.1.0 b5956b8 10d ago

STPS40170CT

STMicroelectronics · Schottky Diodes · TO-220AB-3

STPS40170CT from STMicroelectronics, in a TO-220AB-3. 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 A1 passive Anode of diode 1 (2 x 20 A per-diode rating, VRRM 170 V).
2 K passive Common cathode of both diodes, also connected to the center tab.
3 A2 passive Anode of diode 2 (2 x 20 A per-diode rating, VRRM 170 V).

Key specifications

Parameter Value
Manufacturer STMicroelectronics
Package TO-220AB-3
Category Diodes
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
Repetitive peak reverse voltage VRRM 170 V 2
RMS forward current IF(RMS) 60 A 2
Average forward current, per diode IF(AV) 20 A Tc = 150 °C, δ = 0.5, per diode 2
Average forward current, per device IF(AV) 40 A Tc = 150 °C, δ = 0.5, per device 2
Surge non repetitive forward current IFSM 250 A tp = 10 ms sinusoidal 2
Repetitive peak avalanche power PARM 14100 W tp = 1 µs, Tj = 25 °C 2
Storage temperature range Tstg -65 175 °C 2
Maximum operating junction temperature Tj 175 °C thermal runaway condition for a diode on its own heatsink 2
Critical rate of rise of reverse voltage dV/dt 10000 V/µs 2
Reverse leakage current IR 30 µA Tj = 25 °C, VR = VRRM 2
Reverse leakage current IR 7 30 mA Tj = 125 °C 2
Forward voltage drop VF 0.92 V Tj = 25 °C, IF = 20 A, tp = 380 µs, δ < 2% 2
Forward voltage drop VF 0.69 0.75 V Tj = 125 °C, IF = 20 A, tp = 380 µs, δ < 2% 2
Forward voltage drop VF 1 V Tj = 25 °C, IF = 40 A, tp = 380 µs, δ < 2% 2
Forward voltage drop VF 0.79 0.86 V Tj = 125 °C, IF = 40 A, tp = 380 µs, δ < 2% 2
Junction to case, per diode Rth(j-c) 1.2 °C/W Per diode 2
Junction to case, total Rth(j-c) 0.85 °C/W Total device 2
Coupling thermal resistance Rth(c) 0.5 °C/W Diodes 1 and 2 used simultaneously 2

CAD (KiCad official)

  • Symbol: STPS40170CT
  • Footprint: Package_TO_SOT_THT:TO-220-3_Vertical
  • 3D model: TO-220AB-3 (KiCad packages3D, STEP)
  • 3D model files: stps40170ct-etched.step / stps40170ct-etched.glb carry the MPN laser-etched on the die in a toggleable Adom.LaserEtch group (Fusion-ready); stps40170ct.step / stps40170ct.glb are the bare package body.

Provenance

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

  • Datasheet: STMicroelectronics datasheet (8 pp, sha256 a62b268ccc0bccd3, retrieved 2026-10-16, tier: lcsc)
  • Extractor: parts-factory 2.0.0 / extract_pins 0.3, primary claude-sonnet-5-5 (text+vision), consensus claude-opus-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