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HER505

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Changjing Fast Recovery / High Efficiency Diodes, DO-27. Unpolarised two-terminal part: the datasheet prints no pin numbers, so pins 1 and 2 follow the library convention, KiCad symbol/footprint/3D.

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HER505

Changjing · Fast Recovery / High Efficiency Diodes · DO-27

HER505 from Changjing, in a DO-27. 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 banded/marked end per the datasheet; pad 1 of the KiCad diode footprint.
2 A passive Anode.

Key specifications

Parameter Value
Manufacturer Changjing
Package DO-27
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
Repetitive Peak Reverse Voltage (HER505) VRRM 400 V 1
Maximum RMS Voltage (HER505) VRMS 280 V 1
Maximum DC Blocking Voltage (HER505) VDC 400 V 1
Average Forward Current IF(AV) 5 A 60Hz Half-sine wave, Resistance load, TL=50℃ 1
Operation Junction and Storage Temperature Range TJ,TSTG -55 150 ℃ 1
Maximum Peak Forward Voltage VF 1.3 V F=5.0A 1
Maximum Peak Reverse Current (TJ=25℃) IRRM1 5 μA TJ=25℃, VRM=VRRM 1
Maximum Peak Reverse Current (TJ=125℃) IRRM2 50 μA TJ=125℃, VRM=VRRM 1
Maximum reverse recovery time trr 75 ns IF=0.5A,IR=1.0A,Irr=0.25A 1
Typical junction capacitance CJ 100 pF Measured at 1MHz and applied reverse voltage of 4.0V D.C. 1

CAD (KiCad official)

  • Symbol: HER505
  • Footprint: Diode_THT:D_DO-27_P15.24mm_Horizontal
  • 3D model: DO-27 (KiCad packages3D, STEP)

Provenance

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

  • Datasheet: Changjing datasheet (4 pp, sha256 f6ba1047788a8897, retrieved 2026-10-16, tier: lcsc)
  • Extractor: parts-factory 2.0.0 / extract_pins, primary cathode-band 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