component
SD103B-TR
Public Made by Adomby adom
Vishay Intertech Schottky Diodes, DO-35. 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
markdownSD103B-TR
Vishay Intertech · Schottky Diodes · DO-35
SD103B-TR from Vishay Intertech, in a DO-35. 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 | Vishay Intertech |
| Package | DO-35 |
| 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 |
|---|---|---|---|---|---|---|---|
| Peak inverse voltage (SD103B) | VR | 30 | V | 1 | |||
| Power dissipation (infinite heat sink) | Ptot | 400 | mW | infinite heat sink | 1 | ||
| Peak forward surge current | IFSM | 15 | A | tp = 300 μs square pulse | 1 | ||
| Thermal resistance junction to ambient air | RthJA | 310 | K/W | 1 | |||
| Junction temperature | Tj | 125 | °C | 1 | |||
| Storage temperature range | Tstg | -55 | 150 | °C | 1 |
CAD (KiCad official)
- Symbol:
SD103B-TR - Footprint:
Diode_THT:D_DO-35_SOD27_P7.62mm_Horizontal - 3D model: DO-35 (KiCad packages3D, STEP)
Provenance
Data extracted from the manufacturer datasheet, not a distributor listing:
- Datasheet: Vishay Intertech datasheet (4 pp, sha256
23eb2475f0b0cc83, 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).