component
UG4D-E3
Public Made by Adomby adom
Vishay Intertech Switching Diodes, DO-201AD. Unpolarised two-terminal part: the datasheet prints no pin numbers, so pins 1 and 2 follow the library convention, KiCad symbol/footprint/3D.
Generated by kicad-footprint-generator · KiCad file format 20260206
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UG4D-E3
Vishay Intertech · Switching Diodes · DO-201AD
UG4D-E3 from Vishay Intertech, in a DO-201AD. 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-201AD |
| 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 | 200 | V | UG4D column | 1 | ||
| Maximum RMS voltage | VRMS | 140 | V | UG4D column | 1 | ||
| Maximum DC blocking voltage | VDC | 200 | V | UG4D column | 1 | ||
| Maximum average forward rectified current | IF(AV) | 4 | A | fig. 1 | 1 | ||
| Peak forward surge current | IFSM | 150 | A | 8.3 ms single half sine-wave superimposed on rated load | 1 | ||
| Operating junction and storage temperature range | TJ, TSTG | -55 | 150 | °C | 1 | ||
| Maximum instantaneous forward voltage | VF | 0.95 | V | IF = 4.0 A; pulse test 300 μs pulse width, 1 % duty cycle | 1 | ||
| Maximum DC reverse current at rated DC blocking voltage | IR | 5 | μA | TA = 25 °C, at rated DC blocking voltage | 1 | ||
| Maximum DC reverse current at rated DC blocking voltage | IR | 300 | μA | TA = 100 °C, at rated DC blocking voltage | 1 | ||
| Maximum reverse recovery time | trr | 20 | ns | IF = 0.5 A, IR = 1.0 A, Irr = 0.25 A | 1 | ||
| Typical thermal resistance, junction to ambient | RθJA | 25 | °C/W | junction to ambient at 0.375" (9.5 mm) lead length | 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:
UG4D-E3 - Footprint:
Diode_THT:D_DO-201AD_P15.24mm_Horizontal - 3D model: DO-201AD (KiCad packages3D, STEP)
Provenance
Data extracted from the manufacturer datasheet, not a distributor listing:
- Datasheet: Vishay Intertech datasheet (4 pp, sha256
fb47e7f951231c54, retrieved 2026-10-16, 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).