component
1.5SMC75CA
Public Made by Adomby adom
hongjiacheng ESD And Surge Protection (TVS/ESD), DO-214AB(SMC). Pinout cross-checked by two models against the datasheet, 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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Contents
README
markdown1.5SMC75CA
hongjiacheng · ESD And Surge Protection (TVS/ESD) · DO-214AB(SMC)
1.5SMC75CA from hongjiacheng, in a DO-214AB(SMC). 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 | A1 | passive | Bidirectional TVS terminal 1 (interchangeable with terminal 2, no cathode band) with VRWM 64.1V, VBR 71.3V to 78.8V at 1mA and maximum VC 103V at IPP 14.8A. |
| 2 | A2 | passive | Bidirectional TVS terminal 2 (interchangeable with terminal 1, no cathode band) with VRWM 64.1V, VBR 71.3V to 78.8V at 1mA and maximum VC 103V at IPP 14.8A. |
Key specifications
| Parameter | Value |
|---|---|
| Manufacturer | hongjiacheng |
| Package | DO-214AB(SMC) |
| 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 | VRWM | 64.1 | V | 3 | |||
| Breakdown Voltage | VBR | 71.3 | 78.8 | V | @IT = 1 mA | 3 | |
| Maximum Clamping Voltage | VC | 103 | V | @IPP = 14.8 A | 3 | ||
| Peak Pulse Current | IPP | 14.8 | A | 10/1000μs waveform | 3 | ||
| Reverse Leakage | IR | 1 | μA | @VRWM | 3 | ||
| Breakdown Voltage Tolerance | VBR | -5 | 5 | % | Suffix A denotes 5% tolerance | 3 | |
| Peak Pulse Power Dissipation | PPPM | 1500 | W | 10/1000µs waveform | 1 | ||
| Power Dissipation on Infinite Heat Sink | PM(AV) | 6.5 | W | Ta=75°C | 1 | ||
| Peak Forward Surge Current | IFSM | 100 | A | 8.3ms single half sine wave | 1 | ||
| Operating junction and Storage Temperature Range | TJ, TSTG | -55 | 150 | ℃ | 1 | ||
| Thermal resistance junction to lead | RθJ-L | 15 | ℃/W | Typical | 1 | ||
| Thermal resistance junction to ambient | RθJ-A | 75 | ℃/W | Typical | 1 | ||
| Breakdown voltage temperature coefficient | ΔVBR | 0.1 | % of VBR@25℃ per ℃ | Typical maximum, ΔVBR = 0.1% ×VBR@25℃ ×ΔT | 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 •Meets MSL level 1, per J-STD-020 | 1 |
CAD (KiCad official)
- Symbol:
1.5SMC75CA - Footprint:
Diode_SMD:D_SMC - 3D model: DO-214AB(SMC) (KiCad packages3D, STEP)
- 3D model files:
1-5smc75ca-etched.step/1-5smc75ca-etched.glbcarry the MPN laser-etched on the die in a toggleableAdom.LaserEtchgroup (Fusion-ready);1-5smc75ca.step/1-5smc75ca.glbare the bare package body.
Provenance
Data extracted from the manufacturer datasheet, not a distributor listing:
- Datasheet: hongjiacheng datasheet (5 pp, sha256
c9947330107dbeb2, retrieved 2026-10-22, tier: lcsc) - Extractor: parts-factory
2.0.0/extract_pins 0.3, primaryclaude-sonnet-5-5(text), consensusclaude-sonnet-5-5(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).