component

STPS2L40U

Public Made by Adom

by adom

STMicroelectronics Schottky Barrier Diodes (SBD), SMB(DO-214AA). Unpolarised two-terminal part: the datasheet prints no pin numbers, so pins 1 and 2 follow the library convention, KiCad symbol/footprint/3D.

componentdiodesstps2l40ufactory-2.0.0extractor-text
Overview Files Discover Packages Releases Dependencies Issues Breadcrumbs Pull Requests Activity
main
stps2l40u / README.md
History Download
Ray Publish 0.1.0 4fe2999 7d ago

STPS2L40U

STMicroelectronics · Schottky Barrier Diodes (SBD) · SMB(DO-214AA)

STPS2L40U from STMicroelectronics, in a SMB(DO-214AA). 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 K passive Cathode: the banded/marked end per the datasheet; pad 1 of the KiCad diode footprint.
2 A passive Anode.

Key specifications

Parameter Value
Manufacturer STMicroelectronics
Package SMB(DO-214AA)
Category Diodes
Pins 2

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 40 V 2
Average forward current (SMB) IF(AV) 2 A SMB TL = 130 °C, δ = 0.5 2
Surge non repetitive forward current IFSM 75 A tp = 10 ms sinusoidal 2
Repetitive peak avalanche power PARM 2200 W tp = 1 µs, Tj = 25 °C 2
Storage temperature range Tstg -65 150 °C 2
Operating junction temperature Tj 150 °C condition to avoid thermal runaway for a diode on its own heatsink 2
Junction to lead thermal resistance (SMB) Rth (j-l) 20 °C/W SMB 2
Reverse leakage current IR 220 µA Tj = 25 °C, VR = 40 V, pulse tp = 380 µs, δ < 2 2
Reverse leakage current IR 20 mA Tj = 100 °C, pulse tp = 380 µs, δ < 2 2
Reverse leakage current IR 38 80 mA Tj = 125 °C, pulse tp = 380 µs, δ < 2 2
Forward voltage drop VF 0.39 V Tj = 25 °C, IF = 1 A, pulse tp = 380 µs, δ < 2 2
Forward voltage drop VF 0.25 0.28 V Tj = 125 °C, IF = 1 A, pulse tp = 380 µs, δ < 2 2
Forward voltage drop VF 0.43 V Tj = 25 °C, IF = 2 A, pulse tp = 380 µs, δ < 2 2
Forward voltage drop VF 0.31 0.34 V Tj = 125 °C, IF = 2 A, pulse tp = 380 µs, δ < 2 2
Forward voltage drop VF 0.5 V Tj = 25 °C, IF = 4 A, pulse tp = 380 µs, δ < 2 2
Forward voltage drop VF 0.39 0.45 V Tj = 125 °C, IF = 4 A, pulse tp = 380 µs, δ < 2 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 under each lead, SMB, SMBflat (epoxy printed board FR4, copper 5

CAD (KiCad official)

  • Symbol: STPS2L40U
  • Footprint: Diode_SMD:D_SMB
  • 3D model: SMB(DO-214AA) (KiCad packages3D, STEP)
  • 3D model files: stps2l40u-etched.step / stps2l40u-etched.glb carry the MPN laser-etched on the die in a toggleable Adom.LaserEtch group (Fusion-ready); stps2l40u.step / stps2l40u.glb are the bare package body.

Provenance

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

  • Datasheet: STMicroelectronics datasheet (10 pp, sha256 f426b3e7f7f6ae3a, retrieved 2026-10-21, tier: manufacturer)
  • Extractor: parts-factory 2.0.0 / extract_pins, primary cathode-band convention (convention), consensus off (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