component
5.0SMDJ45A
Public Made by Adomby adom
Brightking Elec (TAIWAN) TVS, SMC(DO-214AB). 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
markdown5.0SMDJ45A
Brightking Elec (TAIWAN) · TVS · SMC(DO-214AB)
5.0SMDJ45A from Brightking Elec (TAIWAN), in a SMC(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 terminal, marked by the color band on the unidirectional 5.0SMDJ45A, which has VRWM 45.0V, VBR 50.00~55.30V at 1mA and maximum VC 72.7V at 68.80A IPP. |
| 2 | A | passive | Anode terminal of the unidirectional 5.0SMDJ45A, which sits at the opposite end of the body from the cathode band and conducts in the forward direction up to IFSM 300A. |
Key specifications
| Parameter | Value |
|---|---|
| Manufacturer | Brightking Elec (TAIWAN) |
| Package | SMC(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 |
|---|---|---|---|---|---|---|---|
| Reverse Stand-Off Voltage | VRWM | 45 | V | TA=25℃ | 3 | ||
| Breakdown Voltage | VBR | 50 | 55.3 | V | @IT=1 mA, TA=25℃ | 3 | |
| Test Current | IT | 1 | mA | TA=25℃ | 3 | ||
| Maximum Clamping Voltage | VC | 72.7 | V | @IPP=68.80 A, TA=25℃ | 3 | ||
| Peak Pulse Current | IPP | 68.8 | A | 10/1000μs waveform, TA=25℃ | 3 | ||
| Reverse Leakage | IR | 2 | μA | @VRWM, TA=25℃ | 3 | ||
| Peak pulse power dissipation | PPPM | 5000 | W | 10/1000μs waveform, Minimum | 1 | ||
| Steady state power dissipation | PM(AV) | 6.5 | W | TA=50℃ | 1 | ||
| Peak forward surge current | IFSM | 300 | A | 8.3ms single half sine-wave superimposed on rated load | 1 | ||
| Operating junction and storage temperature range | TJ,TSTG | -55 | 150 | ℃ | 1 | ||
| Thermal resistance junction to lead | RθJL | 15 | ℃/W | Typical | 1 | ||
| Thermal resistance junction to ambient | RθJA | 75 | ℃/W | Typical | 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 | copper | 2. Mounted on 8.0mm×8.0mm copper pads to each terminal. | 1 |
CAD (KiCad official)
- Symbol:
5.0SMDJ45A - Footprint:
Diode_SMD:D_SMC - 3D model: SMC(DO-214AB) (KiCad packages3D, STEP)
- 3D model files:
5-0smdj45a-etched.step/5-0smdj45a-etched.glbcarry the MPN laser-etched on the die in a toggleableAdom.LaserEtchgroup (Fusion-ready);5-0smdj45a.step/5-0smdj45a.glbare the bare package body.
Provenance
Data extracted from the manufacturer datasheet, not a distributor listing:
- Datasheet: Brightking Elec (TAIWAN) datasheet (6 pp, sha256
5af62c19ab19a5ed, 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).