component
B5817W-6AF
Public Made by Adomby adom
FOSAN Schottky Diodes, SOD-123. 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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B5817W-6AF
FOSAN · Schottky Diodes · SOD-123
B5817W-6AF from FOSAN, in a SOD-123. 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 | FOSAN |
| Package | SOD-123 |
| 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 |
|---|---|---|---|---|---|---|---|
| Peak Reverse Voltage | VRRM | 20 | V | 1 | |||
| DC Reverse Voltage | VR | 20 | V | 1 | |||
| RMS Reverse Voltage | VR(RMS) | 14 | V | 1 | |||
| Forward Rectified Current | IF | 1 | A | 1 | |||
| Peak Surge Current | IFSM | 25 | A | 1 | |||
| Repetitive Peak Surge Current | IFRM | 3 | A | 1 | |||
| Power Dissipation | PD | 250 | mW | 1 | |||
| Thermal Resistance Junction-Ambient | RθJA | 400 | ℃/W | 1 | |||
| Junction Temperature | TJ | -65 | 125 | ℃ | 1 | ||
| Storage Temperature | Tstg | -65 | 150 | ℃ | 1 | ||
| Reverse Voltage | VR | 20 | V | IR=1mA | 1 | ||
| Forward Voltage | VF | 0.45 | V | IF=1A | 1 | ||
| Forward Voltage | VF | 0.75 | V | IF=3A | 1 | ||
| Reverse Current (Ta=25℃) | IR | 0.05 | mA | Ta=25℃, VR=VRRM | 1 | ||
| Reverse Current (Ta=100℃) | IR | 8 | mA | Ta=100℃, VR=VRRM | 1 | ||
| Diode Capacitance | CT | 30 | pF | VR=4V, f=1MHz | 1 |
CAD (KiCad official)
- Symbol:
B5817W-6AF - Footprint:
Diode_SMD:D_SOD-123F - 3D model: SOD-123 (KiCad packages3D, STEP)
- 3D model files:
b5817w-6af-etched.step/b5817w-6af-etched.glbcarry the MPN laser-etched on the die in a toggleableAdom.LaserEtchgroup (Fusion-ready);b5817w-6af.step/b5817w-6af.glbare the bare package body.
Provenance
Data extracted from the manufacturer datasheet, not a distributor listing:
- Datasheet: FOSAN datasheet (3 pp, sha256
969d60183c14307a, retrieved 2026-10-21, tier: lcsc) - Datasheet language: Chinese. Pin names, descriptions, and specs on this page were extracted and translated to English by ds2sf; the linked PDF is the manufacturer original.
- 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).
# B5817W-6AF
**FOSAN** · Schottky Diodes · SOD-123
B5817W-6AF from FOSAN, in a SOD-123. 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 | FOSAN |
| Package | SOD-123 |
| 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 |
|---|---|---|---|---|---|---|---|
| Peak Reverse Voltage | VRRM | | | 20 | V | | 1 |
| DC Reverse Voltage | VR | | | 20 | V | | 1 |
| RMS Reverse Voltage | VR(RMS) | | | 14 | V | | 1 |
| Forward Rectified Current | IF | | | 1 | A | | 1 |
| Peak Surge Current | IFSM | | | 25 | A | | 1 |
| Repetitive Peak Surge Current | IFRM | | | 3 | A | | 1 |
| Power Dissipation | PD | | | 250 | mW | | 1 |
| Thermal Resistance Junction-Ambient | RθJA | | | 400 | ℃/W | | 1 |
| Junction Temperature | TJ | -65 | | 125 | ℃ | | 1 |
| Storage Temperature | Tstg | -65 | | 150 | ℃ | | 1 |
| Reverse Voltage | VR | | 20 | | V | IR=1mA | 1 |
| Forward Voltage | VF | | 0.45 | | V | IF=1A | 1 |
| Forward Voltage | VF | | 0.75 | | V | IF=3A | 1 |
| Reverse Current (Ta=25℃) | IR | | 0.05 | | mA | Ta=25℃, VR=VRRM | 1 |
| Reverse Current (Ta=100℃) | IR | | 8 | | mA | Ta=100℃, VR=VRRM | 1 |
| Diode Capacitance | CT | | 30 | | pF | VR=4V, f=1MHz | 1 |
## CAD (KiCad official)
- Symbol: `B5817W-6AF`
- Footprint: `Diode_SMD:D_SOD-123F`
- 3D model: SOD-123 (KiCad packages3D, STEP)
- 3D model files: `b5817w-6af-etched.step` / `b5817w-6af-etched.glb` carry the MPN laser-etched on the die in a toggleable `Adom.LaserEtch` group (Fusion-ready); `b5817w-6af.step` / `b5817w-6af.glb` are the bare package body.
## Provenance
Data extracted from the manufacturer datasheet, not a distributor listing:
- **Datasheet:** [FOSAN datasheet](docs/b5817w-6af-datasheet.pdf) (3 pp, sha256 `969d60183c14307a`, retrieved 2026-10-21, tier: lcsc)
- **Datasheet language:** Chinese. Pin names, descriptions, and specs on this page were extracted and translated to English by ds2sf; the linked PDF is the manufacturer original.
- **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/b5817w-6af-datasheet.pdf)