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STPS1L40A

Public Made by Adom

by adom

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

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STPS1L40A

STMicroelectronics · Schottky Diodes · SMA(DO-214AC)

STPS1L40A from STMicroelectronics, in a SMA(DO-214AC). 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 SMA(DO-214AC)
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
Forward rms current IF(RMS) 8 A SMA/SMB 2
Average forward current IF(AV) 1 A δ = 0.5, square wave, SMA/SMB TL = 155 °C 2
Surge non repetitive forward current IFSM 60 A SMA/SMB, tp = 10 ms sinusoidal 2
Repetitive peak avalanche power PARM 65 W tp = 10 µs, Tj = 125 °C 2
Storage temperature range Tstg -65 175 °C 2
Operating junction temperature range Tj -40 175 °C Note (1): (dPtot/dTj) < (1/Rth(j-a)) to avoid thermal runaway for a diode on its own heatsink 2
Reverse leakage current IR 35 µA Tj = 25 °C 2
Reverse leakage current IR 6 10 mA Tj = 125 °C 2
Forward voltage drop VF 0.5 V Tj = 25 °C, IF = 1 A, pulse tp = 380 µs, δ < 2% 2
Forward voltage drop VF 0.37 0.42 V Tj = 125 °C, IF = 1 A, pulse tp = 380 µs, δ < 2% 2
Forward voltage drop VF 0.63 V Tj = 25 °C, IF = 2 A, pulse tp = 380 µs, δ < 2% 2
Forward voltage drop VF 0.5 0.61 V Tj = 125 °C, IF = 2 A, pulse tp = 380 µs, δ < 2% 2
Junction to lead thermal resistance Rth(j-l) 30 °C/W SMA 2

CAD (KiCad official)

  • Symbol: STPS1L40A
  • Footprint: Diode_SMD:D_SMA
  • 3D model: SMA(DO-214AC) (KiCad packages3D, STEP)
  • 3D model files: stps1l40a-etched.step / stps1l40a-etched.glb carry the MPN laser-etched on the die in a toggleable Adom.LaserEtch group (Fusion-ready); stps1l40a.step / stps1l40a.glb are the bare package body.

Provenance

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

  • Datasheet: STMicroelectronics datasheet (13 pp, sha256 c8b7548c403511fb, retrieved 2026-10-14, tier: lcsc)
  • 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