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1N4001RLG

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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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1N4001RLG

onsemi · Diodes - General Purpose · DO-41

1N4001RLG 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, marked by the polarity band on the body; the 1N4001 is rated for a peak repetitive reverse voltage (VRRM) of 50 V and an average rectified forward current (IO) of 1.0 A at TA = 75°C.
2 ANODE passive Anode, opposite the polarity band; the device operates over a junction and storage temperature range of −65 to +175 °C.

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 50 V 2
Working Peak Reverse Voltage VRWM 50 V 2
DC Blocking Voltage VR 50 V 2
Non-Repetitive Peak Reverse Voltage VRSM 60 V halfwave, single phase, 60 Hz 2
RMS Reverse Voltage VR(RMS) 35 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 for 1 cycle; surge applied at rated load conditions 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), TJ = 25°C IR 0.05 10 A rated DC voltage, TJ = 25°C 2
Maximum Reverse Current (rated DC voltage), TJ = 100°C IR 1 50 A rated DC voltage, 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: 1N4001RLG
  • 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 dbf50960c64a75a3, 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