component
S3Y
Public Made by Adomby adom
(DIOTEC) Diodes - General Purpose, DO-214AB(SMC). 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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Contents
README
markdownS3Y
(DIOTEC) · Diodes - General Purpose · DO-214AB(SMC)
S3Y from (DIOTEC), in a DO-214AB(SMC). 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 | (DIOTEC) |
| Package | DO-214AB(SMC) |
| 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 | 2000 | V | 1 | |||
| Surge peak reverse voltage | VRSM | 2000 | V | 1 | |||
| Max. average forward rectified current | IFAV | 3 | A | TT = 100°C | 1 | ||
| Repetitive peak forward current | IFRM | 20 | A | f > 15 Hz, TT = 100°C | 1 | ||
| Peak forward surge current, 50 Hz | IFSM | 100 | A | Half sine-wave, 50 Hz (10 ms) | 1 | ||
| Peak forward surge current, 60 Hz | IFSM | 110 | A | Half sine-wave, 60 Hz (8.3 ms) | 1 | ||
| Rating for fusing | i2t | 50 | A2s | t < 10 ms | 1 | ||
| Junction temperature | Tj | -50 | 150 | °C | S3A ... S3Y | 1 | |
| Storage temperature | TS | -50 | 150 | °C | 1 | ||
| Forward voltage | VF | 1.15 | V | Tj = 25°C, IF = 3 A | 2 | ||
| Leakage current | IR | 5 | µA | Tj = 25°C | 2 | ||
| Leakage current | IR | 200 | µA | Tj = 100°C, VR = VRRM | 2 | ||
| Typical thermal resistance junction-ambient | RthA | 36 | K/W | Mounted on P.C. board with 60 mm² copper pad at each terminal | 2 | ||
| Typical thermal resistance junction-terminal | RthT | 10 | K/W | 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 | copper pads at each terminal | 2 |
CAD (KiCad official)
- Symbol:
S3Y - Footprint:
Diode_SMD:D_SMC - 3D model: DO-214AB(SMC) (KiCad packages3D, STEP)
- 3D model files:
s3y-etched.step/s3y-etched.glbcarry the MPN laser-etched on the die in a toggleableAdom.LaserEtchgroup (Fusion-ready);s3y.step/s3y.glbare the bare package body.
Provenance
Data extracted from the manufacturer datasheet, not a distributor listing:
- Datasheet: (DIOTEC) datasheet (3 pp, sha256
ec9769c75d0ede0d, retrieved 2026-10-21, 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).