component
SF59G
Public Made by Adomby adom
XUMAO Fast Recovery / High Efficiency Diodes, 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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SF59G
XUMAO · Fast Recovery / High Efficiency Diodes · DO-27
SF59G from XUMAO, 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 | XUMAO |
| 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 | 800 | V | 1 | |||
| Maximum RMS Voltage | VRMS | 560 | V | 1 | |||
| Maximum DC Blocking Voltage | VDC | 800 | V | 1 | |||
| Maximum Average Forward Rectified Current | IO(AV) | 5 | A | 1 | |||
| Peak Forward Surge Current (8.3ms single half-sine-wave) | IFSM | 100 | A | 8.3ms single half-sine-wave superimposed on rated load (JEDEC method) | 1 | ||
| Forward Surge Current (Non-repetitive) | 200 | A | @1ms, square wave, 1 cycle, Tj=25℃ | 1 | |||
| Current squared time | I2t | 41.5 | A2S | @1ms≤t≤8.3ms Tj=25℃, rating per diode | 1 | ||
| Maximum Forward Voltage | VFM | 2.2 | V | at 5.0A DC | 1 | ||
| Maximum Reverse Current | IR | 5 | uA | TA = 25℃, at rated DC blocking voltage | 1 | ||
| Maximum Reverse Current | IR | 100 | uA | TA = 125℃, at rated DC blocking voltage | 1 | ||
| Maximum reverse recovery time | Trr | 35 | ns | 1 | |||
| Operating Junction Temperature Range | TJ | -55 | 150 | ℃ | 1 | ||
| Storage Temperature Range | TSTG | -55 | 150 | ℃ | 1 | ||
| Typical Thermal Resistance, junction to ambient | RQJa | 40 | ℃/W | 1 |
CAD (KiCad official)
- Symbol:
SF59G - 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: XUMAO datasheet (5 pp, sha256
9be89b0ebe2f9573, retrieved 2026-10-15, 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).
# SF59G
**XUMAO** · Fast Recovery / High Efficiency Diodes · DO-27
SF59G from XUMAO, 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 | XUMAO |
| 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 | | | 800 | V | | 1 |
| Maximum RMS Voltage | VRMS | | | 560 | V | | 1 |
| Maximum DC Blocking Voltage | VDC | | | 800 | V | | 1 |
| Maximum Average Forward Rectified Current | IO(AV) | | | 5 | A | | 1 |
| Peak Forward Surge Current (8.3ms single half-sine-wave) | IFSM | | | 100 | A | 8.3ms single half-sine-wave superimposed on rated load (JEDEC method) | 1 |
| Forward Surge Current (Non-repetitive) | | | | 200 | A | @1ms, square wave, 1 cycle, Tj=25℃ | 1 |
| Current squared time | I2t | | | 41.5 | A2S | @1ms≤t≤8.3ms Tj=25℃, rating per diode | 1 |
| Maximum Forward Voltage | VFM | | | 2.2 | V | at 5.0A DC | 1 |
| Maximum Reverse Current | IR | | | 5 | uA | TA = 25℃, at rated DC blocking voltage | 1 |
| Maximum Reverse Current | IR | | | 100 | uA | TA = 125℃, at rated DC blocking voltage | 1 |
| Maximum reverse recovery time | Trr | | | 35 | ns | | 1 |
| Operating Junction Temperature Range | TJ | -55 | | 150 | ℃ | | 1 |
| Storage Temperature Range | TSTG | -55 | | 150 | ℃ | | 1 |
| Typical Thermal Resistance, junction to ambient | RQJa | | 40 | | ℃/W | | 1 |
## CAD (KiCad official)
- Symbol: `SF59G`
- 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:** [XUMAO datasheet](https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8603380533385060352) (5 pp, sha256 `9be89b0ebe2f9573`, retrieved 2026-10-15, 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/sf59g-datasheet.pdf)