component
1.5SMC56CA
Public Made by Adomby adom
Littelfuse ESD And Surge Protection (TVS/ESD), DO-214AB(SMCJ). 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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1.5SMC56CA
Littelfuse · ESD And Surge Protection (TVS/ESD) · DO-214AB(SMCJ)
1.5SMC56CA from Littelfuse, in a DO-214AB(SMCJ). 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 | DO-214AB(SMCJ) |
| 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 VBR (bi-directional 1.5SMC56CA) | VBR | 53.2 | 58.8 | V | @ IT = 1 mA test current; min/max as printed in Electrical Characteristics row 56A/56CA | 2 | |
| Reverse Stand-off Voltage | VR | 47.8 | V | Maximum voltage that can be applied without operation (stand-off), 1.5SMC56CA row | 2 | ||
| Maximum Clamping Voltage | VC | 77 | V | @ Ipp = 19.7 A, 10/1000 µs waveform | 2 | ||
| Maximum Peak Pulse Current | Ipp | 19.7 | A | 10/1000 µs waveform, 1.5SMC56CA row | 2 | ||
| Maximum Reverse Leakage Current | IR | 1 | µA | @ VR = 47.80 V | 2 | ||
| VBR voltage tolerance (A suffix) | VBR | -5 | 5 | % | A-suffix part, 5% VBR voltage tolerance per part numbering system | 6 | |
| VBR temperature coefficient | αT | 0.1 | % | VBR@TJ = VBR@25°C × (1+αT × (TJ − 25)); typical value | 1 | ||
| Peak Pulse Power Dissipation (single die) | PPPM | 1500 | W | 10/1000 µs test waveform, single die parts, Notes 1 and 2 | 1 | ||
| Power Dissipation on Infinite Heat Sink | PD | 6.5 | W | at TL = 50 °C | 1 | ||
| Operating Temperature Range | TJ | -65 | 150 | °C | Junction temperature range | 1 | |
| Storage Temperature Range | TSTG | -65 | 175 | °C | Storage | 1 | |
| Typical Thermal Resistance Junction to Lead | RθJL | 15 | °C/W | Typical value | 1 | ||
| Typical Thermal Resistance Junction to Ambient | RθJA | 75 | °C/W | Typical value, mounted on copper pad area of 0.31x0.31 in (8.0 x 8.0 mm) per Note 2 (as stated for the terminal pad) | 1 |
CAD (KiCad official)
- Symbol:
1.5SMC56CA - Footprint:
Diode_SMD:D_SMC - 3D model: DO-214AB(SMCJ) (KiCad packages3D, STEP)
- 3D model files:
1-5smc56ca-etched.step/1-5smc56ca-etched.glbcarry the MPN laser-etched on the die in a toggleableAdom.LaserEtchgroup (Fusion-ready);1-5smc56ca.step/1-5smc56ca.glbare the bare package body.
Provenance
Data extracted from the manufacturer datasheet, not a distributor listing:
- Datasheet: Littelfuse datasheet (6 pp, sha256
d65ddb10854080bb, 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).
# 1.5SMC56CA
**Littelfuse** · ESD And Surge Protection (TVS/ESD) · DO-214AB(SMCJ)
1.5SMC56CA from Littelfuse, in a DO-214AB(SMCJ). 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 | DO-214AB(SMCJ) |
| 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 VBR (bi-directional 1.5SMC56CA) | VBR | 53.2 | | 58.8 | V | @ IT = 1 mA test current; min/max as printed in Electrical Characteristics row 56A/56CA | 2 |
| Reverse Stand-off Voltage | VR | | | 47.8 | V | Maximum voltage that can be applied without operation (stand-off), 1.5SMC56CA row | 2 |
| Maximum Clamping Voltage | VC | | | 77 | V | @ Ipp = 19.7 A, 10/1000 µs waveform | 2 |
| Maximum Peak Pulse Current | Ipp | | | 19.7 | A | 10/1000 µs waveform, 1.5SMC56CA row | 2 |
| Maximum Reverse Leakage Current | IR | | | 1 | µA | @ VR = 47.80 V | 2 |
| VBR voltage tolerance (A suffix) | VBR | -5 | | 5 | % | A-suffix part, 5% VBR voltage tolerance per part numbering system | 6 |
| VBR temperature coefficient | αT | | 0.1 | | % | VBR@TJ = VBR@25°C × (1+αT × (TJ − 25)); typical value | 1 |
| Peak Pulse Power Dissipation (single die) | PPPM | | | 1500 | W | 10/1000 µs test waveform, single die parts, Notes 1 and 2 | 1 |
| Power Dissipation on Infinite Heat Sink | PD | | | 6.5 | W | at TL = 50 °C | 1 |
| Operating Temperature Range | TJ | -65 | | 150 | °C | Junction temperature range | 1 |
| Storage Temperature Range | TSTG | -65 | | 175 | °C | Storage | 1 |
| Typical Thermal Resistance Junction to Lead | RθJL | | 15 | | °C/W | Typical value | 1 |
| Typical Thermal Resistance Junction to Ambient | RθJA | | 75 | | °C/W | Typical value, mounted on copper pad area of 0.31x0.31 in (8.0 x 8.0 mm) per Note 2 (as stated for the terminal pad) | 1 |
## CAD (KiCad official)
- Symbol: `1.5SMC56CA`
- Footprint: `Diode_SMD:D_SMC`
- 3D model: DO-214AB(SMCJ) (KiCad packages3D, STEP)
- 3D model files: `1-5smc56ca-etched.step` / `1-5smc56ca-etched.glb` carry the MPN laser-etched on the die in a toggleable `Adom.LaserEtch` group (Fusion-ready); `1-5smc56ca.step` / `1-5smc56ca.glb` are the bare package body.
## Provenance
Data extracted from the manufacturer datasheet, not a distributor listing:
- **Datasheet:** [Littelfuse datasheet](https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8588943497470205952) (6 pp, sha256 `d65ddb10854080bb`, 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/1-5smc56ca-datasheet.pdf)