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ES1J

MDD Microdiode Semiconductor · Fast Recovery / High Efficiency Diodes · SMA

ES1J from MDD Microdiode Semiconductor, in a SMA. 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 polarity band on the body; blocks up to 600 V (VRRM/VDC) for ES1J.
2 A passive Anode terminal; carries up to 1.0 A average forward current with VF of 1.7 V max at 1.0 A for ES1J.

Key specifications

Parameter Value
Manufacturer MDD Microdiode Semiconductor
Package SMA
Category Diodes
Pins 2

CAD (KiCad official)

  • Symbol: ES1J
  • Footprint: Diode_SMD:D_SMA
  • 3D model: SMA (KiCad packages3D, STEP)
  • 3D model files: es1j-etched.step / es1j-etched.glb carry the MPN laser-etched on the die in a toggleable Adom.LaserEtch group (Fusion-ready); es1j.step / es1j.glb are the bare package body.

Provenance

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

  • Datasheet: MDD Microdiode Semiconductor datasheet (3 pp, sha256 60eae36831aa81c3, retrieved 2026-10-12, tier: lcsc)
  • Extractor: parts-factory 2.0.0 / extract_pins 0.3, primary claude-sonnet-5-5 (text+vision), consensus claude-opus-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