component
5KP51CA
Public Made by Adomby adom
Littelfuse TVS, P600. 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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5KP51CA
Littelfuse · TVS · P600
5KP51CA from Littelfuse, in a P600. 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 | Littelfuse |
| Package | P600 |
| Category | Circuit Protection |
| 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 |
|---|---|---|---|---|---|---|---|
| Breakdown Voltage (bidirectional, 5% VBR tolerance) | VBR | 56.7 | 62.7 | V | @ IT = 5 mA | 2 | |
| Maximum Clamping Voltage | VC | 82.4 | V | @ IPP = 61.9 A | 2 | ||
| Maximum Peak Pulse Current | IPP | 61.9 | A | 2 | |||
| Maximum Reverse Leakage Current | IR | 2 | µA | @ VR (51 V) | 2 | ||
| Peak Pulse Power Dissipation | PPPM | 5 | kW | 10/1000µs test waveform (Fig.2), Note 1 | 1 | ||
| Steady State Power Dissipation | PD | 8 | W | on infinite heat sink at TL = 75ºC | 1 | ||
| Operating Junction and Storage Temperature Range | TJ, TSTG | -55 | 175 | °C | 1 | ||
| VBR voltage tolerance (CA bidirectional suffix) | VBR | -5 | 5 | % | per part numbering table, Bi-Directional CA type | 6 | |
| Breakdown voltage temperature coefficient | αT | 0.1 | % | VBR @ TJ = VBR@25°C x (1+αT x (TJ - 25)), typical | 1 | ||
| Reverse stand-off voltage | VR | 51 | V | 2 | |||
| Typical Thermal Resistance Junction to Lead | RθJL | 8 | °C/W | 1 | |||
| Typical Thermal Resistance Junction to Ambient | RθJA | 40 | °C/W | 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 lead-free plated • Halogen free and RoHS | 1 |
CAD (KiCad official)
- Symbol:
5KP51CA - Footprint:
Diode_THT:D_P600_R-6_P20.00mm_Horizontal - 3D model: P600 (KiCad packages3D, STEP)
Provenance
Data extracted from the manufacturer datasheet, not a distributor listing:
- Datasheet: Littelfuse datasheet (6 pp, sha256
a0c9c30e73a4d50e, retrieved 2026-10-30, 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).
# 5KP51CA
**Littelfuse** · TVS · P600
5KP51CA from Littelfuse, in a P600. 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 | Littelfuse |
| Package | P600 |
| Category | Circuit Protection |
| 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 |
|---|---|---|---|---|---|---|---|
| Breakdown Voltage (bidirectional, 5% VBR tolerance) | VBR | 56.7 | | 62.7 | V | @ IT = 5 mA | 2 |
| Maximum Clamping Voltage | VC | | | 82.4 | V | @ IPP = 61.9 A | 2 |
| Maximum Peak Pulse Current | IPP | | | 61.9 | A | | 2 |
| Maximum Reverse Leakage Current | IR | | | 2 | µA | @ VR (51 V) | 2 |
| Peak Pulse Power Dissipation | PPPM | | | 5 | kW | 10/1000µs test waveform (Fig.2), Note 1 | 1 |
| Steady State Power Dissipation | PD | | | 8 | W | on infinite heat sink at TL = 75ºC | 1 |
| Operating Junction and Storage Temperature Range | TJ, TSTG | -55 | | 175 | °C | | 1 |
| VBR voltage tolerance (CA bidirectional suffix) | VBR | -5 | | 5 | % | per part numbering table, Bi-Directional CA type | 6 |
| Breakdown voltage temperature coefficient | αT | | 0.1 | | % | VBR @ TJ = VBR@25°C x (1+αT x (TJ - 25)), typical | 1 |
| Reverse stand-off voltage | VR | | 51 | | V | | 2 |
| Typical Thermal Resistance Junction to Lead | RθJL | | 8 | | °C/W | | 1 |
| Typical Thermal Resistance Junction to Ambient | RθJA | | 40 | | °C/W | | 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 lead-free plated • Halogen free and RoHS | 1 |
## CAD (KiCad official)
- Symbol: `5KP51CA`
- Footprint: `Diode_THT:D_P600_R-6_P20.00mm_Horizontal`
- 3D model: P600 (KiCad packages3D, STEP)
## Provenance
Data extracted from the manufacturer datasheet, not a distributor listing:
- **Datasheet:** [Littelfuse datasheet](docs/5kp51ca-datasheet.pdf) (6 pp, sha256 `a0c9c30e73a4d50e`, retrieved 2026-10-30, 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/5kp51ca-datasheet.pdf)