component
5KP12A
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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5KP12A
Littelfuse · TVS · P600
5KP12A 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 |
|---|---|---|---|---|---|---|---|
| Reverse stand-off voltage (uni-directional, 5KP12A) | VR | 12 | V | Uni-directional (A suffix); printed in Electrical Characteristics table | 2 | ||
| Breakdown voltage | VBR | 13.3 | 14.7 | V | @ IT = 5 mA | 2 | |
| Maximum clamping voltage | VC | 19.9 | V | @ IPP | 2 | ||
| Maximum peak pulse current | IPP | 256.3 | A | Table value, paired with VC @ IPP | 2 | ||
| Maximum reverse leakage current | IR | 2 | µA | @ VR = 12.0 V | 2 | ||
| Peak pulse power dissipation | PPPM | 5 | kW | 10/1000µs test waveform (Fig.2), non-repetitive, per Note 1 | 1 | ||
| Steady state power dissipation on infinite heat sink | PD | 8 | W | at TL = 75°C | 1 | ||
| Peak forward surge current | IFSM | 400 | A | 8.3 ms single half sine wave, unidirectional only (Note 2) | 1 | ||
| Maximum instantaneous forward voltage | VF | 3.5 | V | at 100 A, unidirectional only (Note 3); 5.0 V for stacked-die parts | 1 | ||
| Operating junction and storage temperature range | TJ, TSTG | -55 | 175 | °C | 1 | ||
| Typical thermal resistance junction to lead | RθJL | 8 | °C/W | Typical value | 1 | ||
| Typical thermal resistance junction to ambient | RθJA | 40 | °C/W | Typical value | 1 | ||
| VBR temperature coefficient (αT) | αT | 0.1 | % | VBR at TJ = VBR@25°C × (1+αT × (TJ − 25)); typical value | 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:
5KP12A - 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).
# 5KP12A
**Littelfuse** · TVS · P600
5KP12A 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 |
|---|---|---|---|---|---|---|---|
| Reverse stand-off voltage (uni-directional, 5KP12A) | VR | | | 12 | V | Uni-directional (A suffix); printed in Electrical Characteristics table | 2 |
| Breakdown voltage | VBR | 13.3 | | 14.7 | V | @ IT = 5 mA | 2 |
| Maximum clamping voltage | VC | | | 19.9 | V | @ IPP | 2 |
| Maximum peak pulse current | IPP | | | 256.3 | A | Table value, paired with VC @ IPP | 2 |
| Maximum reverse leakage current | IR | | | 2 | µA | @ VR = 12.0 V | 2 |
| Peak pulse power dissipation | PPPM | | | 5 | kW | 10/1000µs test waveform (Fig.2), non-repetitive, per Note 1 | 1 |
| Steady state power dissipation on infinite heat sink | PD | | | 8 | W | at TL = 75°C | 1 |
| Peak forward surge current | IFSM | | | 400 | A | 8.3 ms single half sine wave, unidirectional only (Note 2) | 1 |
| Maximum instantaneous forward voltage | VF | | | 3.5 | V | at 100 A, unidirectional only (Note 3); 5.0 V for stacked-die parts | 1 |
| Operating junction and storage temperature range | TJ, TSTG | -55 | | 175 | °C | | 1 |
| Typical thermal resistance junction to lead | RθJL | | 8 | | °C/W | Typical value | 1 |
| Typical thermal resistance junction to ambient | RθJA | | 40 | | °C/W | Typical value | 1 |
| VBR temperature coefficient (αT) | αT | | 0.1 | | % | VBR at TJ = VBR@25°C × (1+αT × (TJ − 25)); typical value | 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: `5KP12A`
- 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/5kp12a-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/5kp12a-datasheet.pdf)