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ES3A

BORN · Fast Recovery/High Efficiency Diode · SMB

ES3A from BORN, in a SMB. 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, marked by the color band on the SMB molded plastic case; ES3A blocks up to 50 V repetitive peak reverse voltage.
2 A passive Anode terminal of the fast recovery rectifier diode, rated 3.0 A maximum average forward rectified current.

Key specifications

Parameter Value
Manufacturer BORN
Package SMB
Category Diodes
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
Maximum Repetitive Peak Reverse Voltage VRRM 50 V TA=25°C 2
Maximum RMS Voltage VRMS 35 V TA=25°C 2
Maximum DC Blocking Voltage VDC 50 V TA=25°C 2
Maximum Average Forward Rectified Current IF(AV) 3 A TA=25°C 2
Non-repetitive peak forward surge current IFSM 80 A 8.3 ms single half sine-wave 2
Maximum Forward Voltage VF 0.95 V IF=3.0A 2
Maximum DC Reverse Current IR 5 uA VDC, TA=25°C 2
Maximum DC Reverse Current IR 100 uA VDC, TA=125°C 2
Maximum Reverse Recovery Time trr 35 nS IF=0.5A,IR=1.0A,IRR=0.25A 2
Operating Junction Temperature Range TJ -55 150 °C 2
Storage Temperature Range TSTG -55 150 °C 2
Typical Junction Capacitance CJ 60 pF VR=4.0V,f=1MHz 2
Typical Thermal Resistance, junction to ambient RθJA 85 °C/W PCB mounted 2

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 • Lead: Pure tin plated, lead free • High temperature soldering guaranteed:260◦C/10seconds 1

CAD (KiCad official)

  • Symbol: ES3A
  • Footprint: Diode_SMD:D_SMB
  • 3D model: SMB (KiCad packages3D, STEP)
  • 3D model files: es3a-etched.step / es3a-etched.glb carry the MPN laser-etched on the die in a toggleable Adom.LaserEtch group (Fusion-ready); es3a.step / es3a.glb are the bare package body.

Provenance

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

  • Datasheet: BORN datasheet (4 pp, sha256 9b553da0091915a9, 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