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Contents

README

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1.5SMC27CA

Brightking Elec (TAIWAN) · TVS · SMC(DO-214AB)

1.5SMC27CA 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 A1 passive Bidirectional TVS terminal with no polarity (no cathode band), rated VRWM 23.10 V, VBR 25.70~28.40 V at 1 mA, and VC 37.5 V at IPP 40.5 A (10/1000μs).
2 A2 passive Bidirectional TVS terminal with no polarity (no cathode band), interchangeable with the other terminal, 1500 W minimum peak pulse power at 10/1000μs.

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
Breakdown Voltage VBR 25.7 28.4 V @IT=1mA, TA=25℃ 2
Reverse Stand-Off Voltage VRWM 23.1 V TA=25℃ 2
Maximum Clamping Voltage VC 37.5 V @IPP=40.5A, TA=25℃ 2
Peak Pulse Current IPP 40.5 A 10/1000μs waveform 2
Reverse Leakage IR 1 μA @VRWM=23.1V, TA=25℃ 2
Test Current IT 1 mA VBR test 2
VBR Voltage Tolerance -5 5 % Part number code: 5% VBR tolerance (A suffix) 6
Peak pulse power dissipation PPPM 1500 Watts 10/1000μs waveform, Minimum 1
Steady state power dissipation PM(AV) 6.5 Watts TA=50℃ 1
Peak forward surge current IFSM 200 Amps 8.3ms single half sine-wave superimposed on rated load, JEDEC Method 1
Operating junction and storage temperature 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: 1.5SMC27CA
  • Footprint: Diode_SMD:D_SMC
  • 3D model: SMC(DO-214AB) (KiCad packages3D, STEP)
  • 3D model files: 1-5smc27ca-etched.step / 1-5smc27ca-etched.glb carry the MPN laser-etched on the die in a toggleable Adom.LaserEtch group (Fusion-ready); 1-5smc27ca.step / 1-5smc27ca.glb are the bare package body.

Provenance

Data extracted from the manufacturer datasheet, not a distributor listing:

  • Datasheet: Brightking Elec (TAIWAN) datasheet (6 pp, sha256 2ab14528f5fa9579, retrieved 2026-10-22, tier: lcsc)
  • Extractor: parts-factory 2.0.0 / extract_pins 0.3, primary claude-sonnet-5-5 (text), consensus claude-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).

Datasheet PDF