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STPS1L40A
Public Made by Adomby 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.
3D Model
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Symbol & Footprint
Schematic Symbol
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PCB Footprint
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Datasheet
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README
markdownSTPS1L40A
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.glbcarry the MPN laser-etched on the die in a toggleableAdom.LaserEtchgroup (Fusion-ready);stps1l40a.step/stps1l40a.glbare 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, primarycathode-band convention(convention), consensusoff(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).