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K1N5817HW-7-F
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KUU Schottky Diodes, SOD-123. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.
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K1N5817HW-7-F
KUU · Schottky Diodes · SOD-123
K1N5817HW-7-F from KUU, 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 terminal at the cathode band end of the SOD-123 package; reverse voltage limit is 20 V for K1N5817HW (VRRM 20 V, 30 V for K1N5818HW, 40 V for K1N5819HW). |
| 2 | A | passive | Anode, the terminal opposite the cathode band; average rectified current 1 A, non-repetitive peak surge 10 A (8.3 ms), forward voltage max 0.45 V at 1 A for K1N5817HW. |
Key specifications
| Parameter | Value |
|---|---|
| Manufacturer | KUU |
| 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 |
|---|---|---|---|---|---|---|---|
| Non-Repetitive Peak Reverse Voltage | VRM | 20 | V | Ta = 25 ℃ | 1 | ||
| Repetitive Peak Reverse Voltage | VRRM | 20 | V | Ta = 25 ℃ | 1 | ||
| RMS Reverse Voltage | VR(RMS) | 14 | V | Ta = 25 ℃ | 1 | ||
| Average Rectified Output Current | IO | 1 | A | Ta = 25 ℃ | 1 | ||
| Non-Repetitive Peak Forward Surge Current | IFSM | 10 | A | @8.3mS; 8.3 ms single half sine-wave | 1 | ||
| Power Dissipation | PD | 500 | mW | Ta = 25 ℃ | 1 | ||
| Junction Temperature | TJ | 125 | ℃ | 1 | |||
| Storage Temperature | TSTG | -55 | 125 | ℃ | 1 | ||
| Forward Voltage | VF | 0.45 | V | IF=1A, K1N5817HW column | 1 | ||
| Forward Voltage | VF | 0.75 | V | IF=3A, K1N5817HW column | 1 | ||
| Reverse Current | IR | 1 | mA | VR=20V, K1N5817HW column | 1 | ||
| Typical Junction Capacitance | CJ | 120 | pF | VR=4V,f=1MHZ | 1 |
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 | ◇ Matte Tin (Sn) Lead Finish ◇ Cathode Band / Device Marking | 1 |
CAD (KiCad official)
- Symbol:
K1N5817HW-7-F - Footprint:
Diode_SMD:D_SOD-123F - 3D model: SOD-123 (KiCad packages3D, STEP)
- 3D model files:
k1n5817hw-7-f-etched.step/k1n5817hw-7-f-etched.glbcarry the MPN laser-etched on the die in a toggleableAdom.LaserEtchgroup (Fusion-ready);k1n5817hw-7-f.step/k1n5817hw-7-f.glbare the bare package body.
Provenance
Data extracted from the manufacturer datasheet, not a distributor listing:
- Datasheet: KUU datasheet (4 pp, sha256
ed470c84b35ab1ff, retrieved 2026-10-17, tier: lcsc) - Extractor: parts-factory
2.0.0/extract_pins 0.3, primaryclaude-sonnet-5-5(text+vision), consensusclaude-opus-5-5(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).
# K1N5817HW-7-F
**KUU** · Schottky Diodes · SOD-123
K1N5817HW-7-F from KUU, 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 terminal at the cathode band end of the SOD-123 package; reverse voltage limit is 20 V for K1N5817HW (VRRM 20 V, 30 V for K1N5818HW, 40 V for K1N5819HW). |
| 2 | A | passive | Anode, the terminal opposite the cathode band; average rectified current 1 A, non-repetitive peak surge 10 A (8.3 ms), forward voltage max 0.45 V at 1 A for K1N5817HW. |
## Key specifications
| Parameter | Value |
|---|---|
| Manufacturer | KUU |
| 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 |
|---|---|---|---|---|---|---|---|
| Non-Repetitive Peak Reverse Voltage | VRM | | | 20 | V | Ta = 25 ℃ | 1 |
| Repetitive Peak Reverse Voltage | VRRM | | | 20 | V | Ta = 25 ℃ | 1 |
| RMS Reverse Voltage | VR(RMS) | | | 14 | V | Ta = 25 ℃ | 1 |
| Average Rectified Output Current | IO | | | 1 | A | Ta = 25 ℃ | 1 |
| Non-Repetitive Peak Forward Surge Current | IFSM | | | 10 | A | @8.3mS; 8.3 ms single half sine-wave | 1 |
| Power Dissipation | PD | | | 500 | mW | Ta = 25 ℃ | 1 |
| Junction Temperature | TJ | | | 125 | ℃ | | 1 |
| Storage Temperature | TSTG | -55 | | 125 | ℃ | | 1 |
| Forward Voltage | VF | | | 0.45 | V | IF=1A, K1N5817HW column | 1 |
| Forward Voltage | VF | | | 0.75 | V | IF=3A, K1N5817HW column | 1 |
| Reverse Current | IR | | | 1 | mA | VR=20V, K1N5817HW column | 1 |
| Typical Junction Capacitance | CJ | | 120 | | pF | VR=4V,f=1MHZ | 1 |
## 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 | ◇ Matte Tin (Sn) Lead Finish ◇ Cathode Band / Device Marking | 1 |
## CAD (KiCad official)
- Symbol: `K1N5817HW-7-F`
- Footprint: `Diode_SMD:D_SOD-123F`
- 3D model: SOD-123 (KiCad packages3D, STEP)
- 3D model files: `k1n5817hw-7-f-etched.step` / `k1n5817hw-7-f-etched.glb` carry the MPN laser-etched on the die in a toggleable `Adom.LaserEtch` group (Fusion-ready); `k1n5817hw-7-f.step` / `k1n5817hw-7-f.glb` are the bare package body.
## Provenance
Data extracted from the manufacturer datasheet, not a distributor listing:
- **Datasheet:** [KUU datasheet](https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8590196446311055360) (4 pp, sha256 `ed470c84b35ab1ff`, retrieved 2026-10-17, tier: lcsc)
- **Extractor:** parts-factory `2.0.0` / `extract_pins 0.3`, primary `claude-sonnet-5-5` (text+vision), consensus `claude-opus-5-5` (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/k1n5817hw-7-f-datasheet.pdf)