component
SB140-E3
Public Made by Adomby adom
Vishay Intertech Schottky Barrier Diodes (SBD), DO-41. 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
markdownSB140-E3
Vishay Intertech · Schottky Barrier Diodes (SBD) · DO-41
SB140-E3 from Vishay Intertech, in a DO-41. 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-41 |
| 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 |
|---|---|---|---|---|---|---|---|
| Maximum repetitive peak reverse voltage | VRRM | 40 | V | 1 | |||
| Maximum RMS voltage | VRMS | 28 | V | 1 | |||
| Maximum DC blocking voltage | VDC | 40 | V | 1 | |||
| Maximum average forward rectified current | IF(AV) | 1 | A | at 0.375 in (9.5 mm) lead length (fig. 1) | 1 | ||
| Peak forward surge current | IFSM | 50 | A | 8.3 ms single half sine-wave superimposed on rated load | 1 | ||
| Voltage rate of change (rated VR) | dV/dt | 10000 | V/μs | rated VR | 1 | ||
| Operating junction temperature range | TJ | -65 | 125 | °C | SB120-SB140 group (see review_required) | 1 | |
| Storage temperature range | TSTG | -65 | 150 | °C | 1 | ||
| Maximum instantaneous forward voltage | VF | 0.48 | V | 1.0 A; pulse test 300 μs, 1 % duty cycle | 1 | ||
| Maximum instantaneous reverse current at rated DC blocking voltage | IR | 0.5 | mA | TA = 25 °C, rated DC blocking voltage | 1 | ||
| Maximum instantaneous reverse current at rated DC blocking voltage | IR | 10 | mA | TA = 100 °C, rated DC blocking voltage | 1 | ||
| Typical thermal resistance junction to ambient | RθJA | 50 | °C/W | PCB mounted, 0.375 in (9.5 mm) lead length (note 1) | 2 | ||
| Typical thermal resistance junction to lead | RθJL | 15 | °C/W | PCB mounted, 0.375 in (9.5 mm) lead length (note 1) | 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 | tin | Terminals: Matte tin plated leads, solderable per J-STD-002 and JESD 22-B102 | 1 |
CAD (KiCad official)
- Symbol:
SB140-E3 - Footprint:
Diode_THT:D_DO-41_SOD81_P10.16mm_Horizontal - 3D model: DO-41 (KiCad packages3D, STEP)
Provenance
Data extracted from the manufacturer datasheet, not a distributor listing:
- Datasheet: Vishay Intertech datasheet (4 pp, sha256
f7aeda060d9d28b3, retrieved 2026-10-21, tier: manufacturer) - 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).