component
SLD33-018
Public Made by Adomby adom
Littelfuse ESD And Surge Protection (TVS/ESD), 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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SLD33-018
Littelfuse · ESD And Surge Protection (TVS/ESD) · P600
SLD33-018 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 (minimum), SLD33-018 | VBR | 36.7 | V | @ IT = 5.0 mA | 2 | ||
| Breakdown Voltage (maximum), SLD33-018 | VBR | 40.6 | V | @ IT = 5.0 mA | 2 | ||
| Maximum Reverse Leakage, SLD33-018 | IR | 10 | uA | @ VR = 33 V | 2 | ||
| Maximum Peak Pulse Current, SLD33-018 | Ipp | 95.7 | A | 10/1000 surge waveform per Note 2, derated per Fig. 4 | 2 | ||
| Maximum Clamping Voltage, SLD33-018 | VC | 53.3 | V | @ IPP | 2 | ||
| Peak Pulse Power Dissipation, 10ms/150ms waveform | PPPM | 2200 | W | 10ms/150ms test waveform | 1 | ||
| Peak Pulse Power Dissipation, 10/1000 waveform | PPPM | 5000 | W | 10/1000 test waveform | 1 | ||
| Steady State Power Dissipation on Infinite Heat Sink | PD | 8 | W | at TL = 75 C (Fig. 6) | 1 | ||
| Peak Forward Surge Current | IFSM | 600 | A | 8.3 ms single half sine wave | 1 | ||
| Operating Junction and Storage Temperature Range (minimum) | TJ, TSTG | -55 | C | 1 | |||
| Operating Junction and Storage Temperature Range (maximum) | TJ, TSTG | 175 | C | 1 | |||
| Typical Thermal Resistance Junction to Lead | RthetaJL | 8 | C/W | typical | 1 | ||
| Typical Thermal Resistance Junction to Ambient | RthetaJA | 40 | C/W | typical | 1 | ||
| Temperature Coefficient of Breakdown Voltage (alpha T) | aT | 0.1 | % | VBR@TJ = VBR@25C x (1+aT x (TJ-25)), typical | 1 |
CAD (KiCad official)
- Symbol:
SLD33-018 - 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 (5 pp, sha256
d4c46bdeb90e1d9c, retrieved 2026-10-13, 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).
# SLD33-018
**Littelfuse** · ESD And Surge Protection (TVS/ESD) · P600
SLD33-018 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 (minimum), SLD33-018 | VBR | 36.7 | | | V | @ IT = 5.0 mA | 2 |
| Breakdown Voltage (maximum), SLD33-018 | VBR | | | 40.6 | V | @ IT = 5.0 mA | 2 |
| Maximum Reverse Leakage, SLD33-018 | IR | | | 10 | uA | @ VR = 33 V | 2 |
| Maximum Peak Pulse Current, SLD33-018 | Ipp | | | 95.7 | A | 10/1000 surge waveform per Note 2, derated per Fig. 4 | 2 |
| Maximum Clamping Voltage, SLD33-018 | VC | | | 53.3 | V | @ IPP | 2 |
| Peak Pulse Power Dissipation, 10ms/150ms waveform | PPPM | | | 2200 | W | 10ms/150ms test waveform | 1 |
| Peak Pulse Power Dissipation, 10/1000 waveform | PPPM | | | 5000 | W | 10/1000 test waveform | 1 |
| Steady State Power Dissipation on Infinite Heat Sink | PD | | | 8 | W | at TL = 75 C (Fig. 6) | 1 |
| Peak Forward Surge Current | IFSM | | | 600 | A | 8.3 ms single half sine wave | 1 |
| Operating Junction and Storage Temperature Range (minimum) | TJ, TSTG | -55 | | | C | | 1 |
| Operating Junction and Storage Temperature Range (maximum) | TJ, TSTG | | | 175 | C | | 1 |
| Typical Thermal Resistance Junction to Lead | RthetaJL | | 8 | | C/W | typical | 1 |
| Typical Thermal Resistance Junction to Ambient | RthetaJA | | 40 | | C/W | typical | 1 |
| Temperature Coefficient of Breakdown Voltage (alpha T) | aT | | 0.1 | | % | VBR@TJ = VBR@25C x (1+aT x (TJ-25)), typical | 1 |
## CAD (KiCad official)
- Symbol: `SLD33-018`
- 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](https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8588888112193802240) (5 pp, sha256 `d4c46bdeb90e1d9c`, retrieved 2026-10-13, 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/sld33-018-datasheet.pdf)