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1.5SMC6.8A-E3

Vishay Intertech · TVS · SMC(DO-214AB)

1.5SMC6.8A-E3 from Vishay Intertech, 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 Cathode passive Cathode terminal, marked by the cathode band on uni-directional types; on bi-directional types there is no marking and the device is symmetrical, with electrical characteristics applying in both directions.
2 A passive Anode terminal of the uni-directional TVS (the end without the cathode band); 1.5SMC6.8A has a 5.8 V stand-off voltage and 6.45 V to 7.14 V breakdown voltage at 10 mA.

Key specifications

Parameter Value
Manufacturer Vishay Intertech
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 6.45 7.14 V at IT = 10 mA 2
Test current IT 10 mA 2
Stand-off voltage VWM 5.8 V 2
Maximum reverse leakage ID 1000 μA at VWM 2
Maximum peak pulse current IPPM 143 A 10/1000 μs waveform 2
Maximum clamping voltage VC 10.5 V at IPPM 2
Maximum temperature coefficient of VBR 0.057 %/°C 2
Peak power dissipation PPPM 1500 W 10/1000 μs waveform, TA = 25 °C 1
Power dissipation on infinite heatsink PD 6.5 W TA = 50 °C 1
Peak forward surge current IFSM 200 A 8.3 ms single half sine-wave, uni-directional only 1
Operating junction and storage temperature range TJ, TSTG -65 150 °C 1
Thermal resistance, junction to ambient RθJA 75 °C/W Mounted on minimum recommended pad layout 3
Thermal resistance, junction to leads RθJL 15 °C/W 3

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 Terminals: matte tin plated leads, solderable per J-STD-002 and JESD 22-B102 1

CAD (KiCad official)

  • Symbol: 1.5SMC6.8A-E3
  • Footprint: Diode_SMD:D_SMC
  • 3D model: SMC(DO-214AB) (KiCad packages3D, STEP)
  • 3D model files: 1-5smc6-8a-e3-etched.step / 1-5smc6-8a-e3-etched.glb carry the MPN laser-etched on the die in a toggleable Adom.LaserEtch group (Fusion-ready); 1-5smc6-8a-e3.step / 1-5smc6-8a-e3.glb are the bare package body.

Provenance

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

  • Datasheet: Vishay Intertech datasheet (5 pp, sha256 a23cefcecb0250d8, retrieved 2026-10-27, tier: manufacturer)
  • 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