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SS56B66

JUXING · Schottky Barrier Diodes (SBD) · SMB

SS56B66 from JUXING, 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; the end marked by the laser band on the DO-214AA molded body.
2 A passive Anode; the terminal at the end opposite the laser band cathode marking.

Key specifications

Parameter Value
Manufacturer JUXING
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 Recurrent Peak Reverse Voltage VRRM 60 V SS56 1
Maximum RMS Voltage VRMS 42 V SS56 1
Maximum DC Blocking Voltage VDC 60 V SS56 1
Average Rectified Output Current IF(AV) 5 A 1
Peak Forward Surge Current IFSM 150 A 8.3ms single half sine-wave superimposed on rated load (JEDEC Method) 1
Forward Voltage VFM 0.7 V @IF=5.0A, pulse test PW=300usec, 1% duty cycle 1
Peak Reverse Current IR 0.1 mA At rated DC blocking voltage, TA=25°C 1
Typical Thermal Resistance RθJA 65 ℃/W Junction to lead mounted on PCB with 8.0 mm x 8.0 mm copper pad 1
Operating Temperature Range TJ -55 150 ℃ 1
Storage Temperature Range TSTG -55 150 ℃ 1

CAD (KiCad official)

  • Symbol: SS56B66
  • Footprint: Diode_SMD:D_SMB
  • 3D model: SMB (KiCad packages3D, STEP)
  • 3D model files: ss56b66-etched.step / ss56b66-etched.glb carry the MPN laser-etched on the die in a toggleable Adom.LaserEtch group (Fusion-ready); ss56b66.step / ss56b66.glb are the bare package body.

Provenance

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

  • Datasheet: JUXING datasheet (2 pp, sha256 fb3303cc3283e4b3, 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