component
HER308G
Public Made by Adomby adom
FUXINSEMI High Effic Rectifier, 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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HER308G
FUXINSEMI · High Effic Rectifier · DO-27
HER308G from FUXINSEMI, 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 | FUXINSEMI |
| 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 repetitive peak reverse voltage | VRRM | 300 | V | 1 | |||
| Maximum RMS voltage | VRMS | 210 | V | 1 | |||
| Maximum DC blocking voltage | VDC | 300 | V | 1 | |||
| Maximum average forward rectified current | I(AV) | 3 | A | 0.375”(9.5mm) lead length at TA=50 C | 1 | ||
| Peak forward surge current | IFSM | 125 | A | 8.3ms single half sine-wave superimposed on rated load (JEDEC Method) | 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 | 150 | µA | TA=100 C, at rated DC blocking voltage | 1 | ||
| Operating junction and storage temperature range | TJ,TSTG | -55 | 150 | °C | 1 | ||
| Typical thermal resistance, junction to ambient | RθJA | 50 | °C/W | 0.375”(9.5mm) lead length, P.C.B. mounted (NOTE 3) | 1 |
CAD (KiCad official)
- Symbol:
HER308G - 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: FUXINSEMI datasheet (4 pp, sha256
880a8026f1c7c50f, 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).
# HER308G
**FUXINSEMI** · High Effic Rectifier · DO-27
HER308G from FUXINSEMI, 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 | FUXINSEMI |
| 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 repetitive peak reverse voltage | VRRM | | | 300 | V | | 1 |
| Maximum RMS voltage | VRMS | | | 210 | V | | 1 |
| Maximum DC blocking voltage | VDC | | | 300 | V | | 1 |
| Maximum average forward rectified current | I(AV) | | | 3 | A | 0.375”(9.5mm) lead length at TA=50 C | 1 |
| Peak forward surge current | IFSM | | | 125 | A | 8.3ms single half sine-wave superimposed on rated load (JEDEC Method) | 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 | | | 150 | µA | TA=100 C, at rated DC blocking voltage | 1 |
| Operating junction and storage temperature range | TJ,TSTG | -55 | | 150 | °C | | 1 |
| Typical thermal resistance, junction to ambient | RθJA | | 50 | | °C/W | 0.375”(9.5mm) lead length, P.C.B. mounted (NOTE 3) | 1 |
## CAD (KiCad official)
- Symbol: `HER308G`
- 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:** [FUXINSEMI datasheet](docs/her308g-datasheet.pdf) (4 pp, sha256 `880a8026f1c7c50f`, retrieved 2026-10-21, 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/her308g-datasheet.pdf)