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1N4003G

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onsemi Diodes - General Purpose, DO-41. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.

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1N4003G

onsemi · Diodes - General Purpose · DO-41

1N4003G from onsemi, in a DO-41. 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 CATHODE passive Cathode, identified by the polarity band on the case; per the datasheet, the cathode is indicated by the band, and the 1N4003 is rated for 200 V VRRM and 1.0 A average forward current.
2 ANODE passive Anode, at the end of the case opposite the polarity band, with the same 200 V VRRM and 1.0 A average forward current ratings as the 1N4003.

Key specifications

Parameter Value
Manufacturer onsemi
Package DO-41
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
Peak Repetitive Reverse Voltage VRRM 200 V 2
Working Peak Reverse Voltage VRWM 200 V 2
DC Blocking Voltage VR 200 V 2
Non-Repetitive Peak Reverse Voltage VRSM 240 V halfwave, single phase, 60 Hz 2
RMS Reverse Voltage VR(RMS) 140 V 2
Average Rectified Forward Current IO 1 A single phase, resistive load, 60 Hz, TA = 75°C 2
Non-Repetitive Peak Surge Current IFSM 30 A surge applied at rated load conditions, 1 cycle 2
Operating and Storage Junction Temperature Range TJ, Tstg -65 175 °C 2
Maximum Instantaneous Forward Voltage Drop vF 0.93 1.1 V iF = 1.0 Amp, TJ = 25°C 2
Maximum Full-Cycle Average Forward Voltage Drop VF(AV) 0.8 V IO = 1.0 Amp, TL = 75°C, 1 inch leads 2
Maximum Reverse Current (rated DC voltage) IR 0.05 10 A TJ = 25°C 2
Maximum Reverse Current (rated DC voltage) IR 1 50 A TJ = 100°C 2
Maximum Full-Cycle Average Reverse Current IR(AV) 30 A IO = 1.0 Amp, TL = 75°C, 1 inch leads 2

CAD (KiCad official)

  • Symbol: 1N4003G
  • Footprint: Diode_THT:D_DO-41_SOD81_P10.16mm_Horizontal
  • 3D model: DO-41 (KiCad packages3D, STEP)

Provenance

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

  • Datasheet: onsemi datasheet (7 pp, sha256 e42c132b18a5f0e5, retrieved 2026-10-16, tier: lcsc)
  • Extractor: parts-factory 2.0.0 / extract_pins 0.3, primary claude-haiku-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