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UF5402
Public Made by Adomby adom
LGE Diodes - General Purpose, DO-27. Unpolarised two-terminal part: the datasheet prints no pin numbers, so pins 1 and 2 follow the library convention, KiCad symbol/footprint/3D.
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UF5402
LGE · Diodes - General Purpose · DO-27
UF5402 from LGE, in a DO-27. 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 | LGE |
| Package | DO-27 |
| 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 recurrent peak reverse voltage | VRRM | 200 | V | 1 | |||
| Maximum DC blocking voltage | VDC | 200 | V | 1 | |||
| Maximum RMS voltage | VRMS | 140 | V | 1 | |||
| Maximum average forward rectified current | IF(AV) | 3 | A | 9.5mm lead length, @TA=75 | 1 | ||
| Peak forward surge current | IFSM | 150 | A | 8.3ms single half-sine-wave superimposed on rated load @TJ=125 | 1 | ||
| Maximum instantaneous forward voltage | VF | 1 | V | at 3.0 A | 1 | ||
| Maximum reverse current at TA=25 | IR | 10 | µA | @TA=25, at rated DC blocking voltage | 1 | ||
| Maximum reverse current at TA=100 | IR | 100 | µA | @TA=100, at rated DC blocking voltage | 1 | ||
| Maximum reverse recovery time | trr | 50 | ns | Measured with IF=0.5A, IR=1A, Irr=0.25A | 1 | ||
| Operating junction temperature range | TJ | -55 | 175 | °C | 1 | ||
| Storage temperature range | TSTG | -55 | 175 | °C | 1 |
CAD (KiCad official)
- Symbol:
UF5402 - Footprint:
Diode_THT:D_DO-27_P15.24mm_Horizontal - 3D model: DO-27 (KiCad packages3D, STEP)
Provenance
Data extracted from the manufacturer datasheet, not a distributor listing:
- Datasheet: LGE datasheet (2 pp, sha256
02f0ebdd87f014db, 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).
# UF5402
**LGE** · Diodes - General Purpose · DO-27
UF5402 from LGE, in a DO-27. 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 | LGE |
| Package | DO-27 |
| 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 recurrent peak reverse voltage | VRRM | | | 200 | V | | 1 |
| Maximum DC blocking voltage | VDC | | | 200 | V | | 1 |
| Maximum RMS voltage | VRMS | | | 140 | V | | 1 |
| Maximum average forward rectified current | IF(AV) | | | 3 | A | 9.5mm lead length, @TA=75 | 1 |
| Peak forward surge current | IFSM | | | 150 | A | 8.3ms single half-sine-wave superimposed on rated load @TJ=125 | 1 |
| Maximum instantaneous forward voltage | VF | | | 1 | V | at 3.0 A | 1 |
| Maximum reverse current at TA=25 | IR | | | 10 | µA | @TA=25, at rated DC blocking voltage | 1 |
| Maximum reverse current at TA=100 | IR | | | 100 | µA | @TA=100, at rated DC blocking voltage | 1 |
| Maximum reverse recovery time | trr | | | 50 | ns | Measured with IF=0.5A, IR=1A, Irr=0.25A | 1 |
| Operating junction temperature range | TJ | -55 | | 175 | °C | | 1 |
| Storage temperature range | TSTG | -55 | | 175 | °C | | 1 |
## CAD (KiCad official)
- Symbol: `UF5402`
- Footprint: `Diode_THT:D_DO-27_P15.24mm_Horizontal`
- 3D model: DO-27 (KiCad packages3D, STEP)
## Provenance
Data extracted from the manufacturer datasheet, not a distributor listing:
- **Datasheet:** [LGE datasheet](https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8588887857088114688) (2 pp, sha256 `02f0ebdd87f014db`, retrieved 2026-10-16, tier: lcsc)
- **Extractor:** parts-factory `2.0.0` / `extract_pins`, primary `cathode-band convention` (convention), consensus `off` (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).
[Datasheet PDF](docs/uf5402-datasheet.pdf)