component
P4KE12CA
Public Made by Adomby adom
Littelfuse TVS, DO-204AL(DO-41). 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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P4KE12CA
Littelfuse · TVS · DO-204AL(DO-41)
P4KE12CA from Littelfuse, in a DO-204AL(DO-41). 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 | 1 | passive | Terminal 1 of an unpolarised fuse; either orientation. |
| 2 | 2 | passive | Terminal 2 of an unpolarised fuse; either orientation. |
Key specifications
| Parameter | Value |
|---|---|
| Manufacturer | Littelfuse |
| Package | DO-204AL(DO-41) |
| Category | TVS/Fuse/Board Level 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 | VR | 10.2 | V | Maximum voltage that can be applied without operation (datasheet definition) | 2 | ||
| Breakdown voltage | VBR | 11.4 | 12.6 | V | @ IT = 1 mA | 2 | |
| Maximum clamping voltage | VC | 16.7 | V | @ Ipp = 24.60 A | 2 | ||
| Maximum peak pulse current | IPP | 24.6 | A | 2 | |||
| Maximum reverse leakage current | IR | 5 | µA | @ VR = 10.20 V (row value) | 2 | ||
| Peak pulse power dissipation (single die) | PPPM | 400 | W | 10/1000 µs test waveform, single die parts, Note 1 | 1 | ||
| Steady state power dissipation | PD | 1.5 | W | Infinite heat sink at TL = 75 °C | 1 | ||
| Operating junction and storage temperature range | TJ, TSTG | -55 | 175 | °C | 1 | ||
| Typical thermal resistance junction to lead | RθJL | 60 | °C/W | Typical value | 1 | ||
| Typical thermal resistance junction to ambient | RθJA | 100 | °C/W | Typical value | 1 | ||
| VBR temperature coefficient | αT | 0.1 | % | Typical value; VBR @ TJ = VBR@25°C x (1+αT x (TJ-25)) | 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 | level interconnect is Pbfree and the terminal finish material is tin(Sn) (IPC/ | 1 |
CAD (KiCad official)
- Symbol:
P4KE12CA - Footprint:
Diode_THT:D_DO-41_SOD81_P10.16mm_Horizontal - 3D model: DO-204AL(DO-41) (KiCad packages3D, STEP)
Provenance
Data extracted from the manufacturer datasheet, not a distributor listing:
- Datasheet: Littelfuse datasheet (6 pp, sha256
cab61a39ecf2d397, retrieved 2026-10-21, tier: lcsc) - Extractor: parts-factory
2.0.0/extract_pins, primarytwo-terminal 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).
# P4KE12CA
**Littelfuse** · TVS · DO-204AL(DO-41)
P4KE12CA from Littelfuse, in a DO-204AL(DO-41). 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 | 1 | passive | Terminal 1 of an unpolarised fuse; either orientation. |
| 2 | 2 | passive | Terminal 2 of an unpolarised fuse; either orientation. |
## Key specifications
| Parameter | Value |
|---|---|
| Manufacturer | Littelfuse |
| Package | DO-204AL(DO-41) |
| Category | TVS/Fuse/Board Level 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 | VR | | | 10.2 | V | Maximum voltage that can be applied without operation (datasheet definition) | 2 |
| Breakdown voltage | VBR | 11.4 | | 12.6 | V | @ IT = 1 mA | 2 |
| Maximum clamping voltage | VC | | | 16.7 | V | @ Ipp = 24.60 A | 2 |
| Maximum peak pulse current | IPP | | | 24.6 | A | | 2 |
| Maximum reverse leakage current | IR | | | 5 | µA | @ VR = 10.20 V (row value) | 2 |
| Peak pulse power dissipation (single die) | PPPM | | | 400 | W | 10/1000 µs test waveform, single die parts, Note 1 | 1 |
| Steady state power dissipation | PD | | | 1.5 | W | Infinite heat sink at TL = 75 °C | 1 |
| Operating junction and storage temperature range | TJ, TSTG | -55 | | 175 | °C | | 1 |
| Typical thermal resistance junction to lead | RθJL | | 60 | | °C/W | Typical value | 1 |
| Typical thermal resistance junction to ambient | RθJA | | 100 | | °C/W | Typical value | 1 |
| VBR temperature coefficient | αT | | 0.1 | | % | Typical value; VBR @ TJ = VBR@25°C x (1+αT x (TJ-25)) | 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 | level interconnect is Pbfree and the terminal finish material is tin(Sn) (IPC/ | 1 |
## CAD (KiCad official)
- Symbol: `P4KE12CA`
- Footprint: `Diode_THT:D_DO-41_SOD81_P10.16mm_Horizontal`
- 3D model: DO-204AL(DO-41) (KiCad packages3D, STEP)
## Provenance
Data extracted from the manufacturer datasheet, not a distributor listing:
- **Datasheet:** [Littelfuse datasheet](docs/p4ke12ca-datasheet.pdf) (6 pp, sha256 `cab61a39ecf2d397`, retrieved 2026-10-21, tier: lcsc)
- **Extractor:** parts-factory `2.0.0` / `extract_pins`, primary `two-terminal 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/p4ke12ca-datasheet.pdf)