component
1.5SMCJ51CAS
Public Made by Adomby adom
PANJIT International ESD And Surge Protection (TVS/ESD), DO-214AB. Unpolarised two-terminal part: the datasheet prints no pin numbers, so pins 1 and 2 follow the library convention, KiCad symbol/footprint/3D.
3D Model
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Symbol & Footprint
Schematic Symbol
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PCB Footprint
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Datasheet
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README
markdown1.5SMCJ51CAS
PANJIT International · ESD And Surge Protection (TVS/ESD) · DO-214AB
1.5SMCJ51CAS from PANJIT International, in a DO-214AB. 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 | PANJIT International |
| Package | DO-214AB |
| 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 |
|---|---|---|---|---|---|---|---|
| Peak Pulse Power Dissipation (tp=1ms) | PPP | 1500 | W | TA=25°C, tp=1ms (Notes 1) | 1 | ||
| Peak Forward Surge Current, 8.3ms single half sine-wave | IFSM | 200 | A | 8.3ms single half sine-wave superimposed on rated load (Notes 3) | 1 | ||
| ESD IEC-61000-4-2 (Air) | VESD | 30 | kV | IEC-61000-4-2 Air | 1 | ||
| ESD IEC-61000-4-2 (Contact) | VESD | 30 | kV | IEC-61000-4-2 Contact | 1 | ||
| Operating Junction and Storage Temperature Range | TJ,TSTG | -55 | 150 | °C | 1 | ||
| Typical Thermal Resistance Junction to Air | RθJA | 50 | °C/W | Mounted on 2mm² (0.013mm thick) land areas (Notes 2) | 1 | ||
| Reverse Stand-off Voltage (working peak reverse voltage) | VRWM | 51 | V | Bidirectional (CA) type; VRWM should be equal to or greater than the DC or continuous peak operating voltage (Note 4) | 2 | ||
| Breakdown Voltage | VBR | 56.7 | 65.2 | V | @ IT = 1 mA; bidirectional (CA) type, A tolerance | 2 | |
| Reverse Leakage Current (bidirectional) | IR | 1 | µA | @ VRWM = 51 V; bidirectional (CA) type | 2 | ||
| Max. Clamp Voltage | VC | 82.4 | V | @ IPP = 18.2 A, 10/1000µs waveform; bidirectional (CA) type | 2 | ||
| Peak Pulse Current 10/1000µs | IPP | 18.2 | A | 10/1000µs waveform; bidirectional (CA) type | 2 |
CAD (KiCad official)
- Symbol:
1.5SMCJ51CAS - Footprint:
Diode_SMD:D_SMC - 3D model: DO-214AB (KiCad packages3D, STEP)
- 3D model files:
1-5smcj51cas-etched.step/1-5smcj51cas-etched.glbcarry the MPN laser-etched on the die in a toggleableAdom.LaserEtchgroup (Fusion-ready);1-5smcj51cas.step/1-5smcj51cas.glbare the bare package body.
Provenance
Data extracted from the manufacturer datasheet, not a distributor listing:
- Datasheet: PANJIT International datasheet (7 pp, sha256
ef099423b70d24ab, retrieved 2026-10-15, 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).