component

SMLJ78A-TP

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MCC(Micro Commercial Components) Electrostatic And Surge Protection (TVS/ESD), SMC(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.

componenttvs-fuse-board level protectionsmlj78a-tpfactory-2.0.0extractor-text

Verified SMLJ78A-TP

by Ray · last 30 Oct 2026 · 1 record · files match
SymbolFootprint3D modelPins

Verification log 1 record

30 Oct 2026RayPublished by the parts factory: tier lcsc, 2 pinsfiles match
SymbolFootprint3D modelPinsfor all variants
  • ✓component-page-verify: PASS
  • ✓cad_props: Datasheet, MPN and distributor properties match page.json
  • ✓component: SMLJ78A-TP · SMC(DO-214AB) · 2 pins
  • ✓copper: 2 copper pads, none touching another net
  • ✓datasheet: unpolarised two-terminal part: pins 1 and 2 by library convention, no names to check
  • ✓distributor: lcsc C914444, digikey 353-SMLJ78A-TP-ND, mouser 833-SMLJ78A-TP
  • ✓family: D_SMC
  • ✓files: 6 declared files present
  • ✓hero: docs/hero.png 4000x2500
  • ✓lbr: OK: /tmp/cpv-zjfmvw2q/x.lbr is a valid EAGLE .lbr with complete deviceset
  • ✓license: CC-BY-SA-4.0
  • ✓models_3d: 1 records
  • ✓package_fit: height and body within the datasheet's package drawing (datasheet p.1)
  • ✓pads: 2 pins = 2 pads
  • ✓pose: 1 STEP(s) Z-up, seated, centred
  • ✓symbol: 2 pins agree
  • ✓visibility: public, source open
Evidencedatasheet
Verified files✓ smlj78a-tp.kicad_sym✓ smlj78a-tp.kicad_mod✓ smlj78a-tp.step
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Made with KiCad 10.0 · needs KiCad 10.0 or later to open · KiCad file format 20260206
Name Last commit message Last updated
docs Publish 0.1.0 · Ray 10d ago
viewers smlj78a-tp: viewers · Ray 10d ago
package.json Publish 0.1.0 · Ray 10d ago
page.json Set visibility: public · Ray 10d ago
README.md Publish 0.1.0 · Ray 10d ago
smlj78a-tp-hero.glb Publish 0.1.0 · Ray 10d ago
smlj78a-tp-hero.overlay.json Publish 0.1.0 · Ray 10d ago
smlj78a-tp.glb Publish 0.1.0 · Ray 10d ago
smlj78a-tp.kicad_mod Publish 0.1.0 · Ray 10d ago
smlj78a-tp.kicad_sym Publish 0.1.0 · Ray 10d ago
smlj78a-tp.lbr Publish 0.1.0 · Ray 10d ago
smlj78a-tp.step Publish 0.1.0 · Ray 10d ago
verification.json Verified: Published by the parts factory: tier lcsc, 2 pins · Ray 10d ago

SMLJ78A-TP

MCC(Micro Commercial Components) · Electrostatic And Surge Protection (TVS/ESD) · SMC(DO-214AB)

SMLJ78A-TP from MCC(Micro Commercial Components), 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 1 passive Terminal 1 of an unpolarised fuse; either orientation.
2 2 passive Terminal 2 of an unpolarised fuse; either orientation.

Key specifications

Parameter Value
Manufacturer MCC(Micro Commercial Components)
Package SMC(DO-214AB)
Category TVS/Fuse/Board Level 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 (min) VBR 86.7 V IT = 1 mA (test current) 5
Breakdown Voltage (max) VBR 95.8 V IT = 1 mA (test current) 5
Maximum Clamping Voltage VC 126 V @IPP = 22.8 A 5
Peak Pulse Current IPP 22.8 A 5
Reverse Leakage Current ID 2 µA @VWM = 78 V 5
Operating Junction Temperature Range TJ -55 175 °C 1
Storage Temperature Range TSTG -55 175 °C 1
Peak Pulse Power Dissipation PPPM 3000 W 10/1000µs Waveform, Note 3,4, Fig1 1
Thermal Resistance Junction to Lead RθJL 17.5 °C/W Junction to Lead 1
Thermal Resistance Junction to Ambient RθJA 75 °C/W Junction to Ambient 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 copper pads to each terminal. 1

CAD (KiCad official)

  • Symbol: SMLJ78A-TP
  • Footprint: Diode_SMD:D_SMC
  • 3D model: SMC(DO-214AB) (KiCad packages3D, STEP)

Provenance

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

  • Datasheet: MCC(Micro Commercial Components) datasheet (8 pp, sha256 a819143705c34e74, retrieved 2026-10-30, tier: lcsc)
  • Extractor: parts-factory 2.0.0 / extract_pins, primary two-terminal convention (convention), consensus off (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