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1N4007

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Diodes Inc 1 A general-purpose rectifier, DO-41. 1000 V, VF ~1.1 V, IFSM 30 A. Datasheet-verified.

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1N4007

Diodes Incorporated · General-purpose rectifier · DO-41

The 1N4007 is the highest-voltage member of the 1N400x rectifier family, a 1 A silicon rectifier in the axial DO-41 package that shows up in nearly every linear power supply. It blocks up to 1000 V reverse, drops about 1.1 V forward at 1 A, and survives a 30 A surge, so it handles mains rectification, flyback clamping, and reverse-polarity protection. The banded end is the cathode (pin 1). Being a standard-recovery diode, it is meant for 50/60 Hz line rectification, not high-frequency switching.

Pinout

Pin Name Type Function
1 K passive Cathode terminal, identified by the painted band on the DO-41 body. Blocks reverse current up to VRRM = 1000V (1N4007 variant). Typical reverse leakage 5.0µA at TA=+25°C, rising to 50µA at TA=+100°C.
2 A passive Anode terminal. Forward current flows from anode to cathode; connect to the higher-potential side of the rectification path. Rated for 1.0A average forward current (IO) and 30A non-repetitive peak forward surge current (IFSM, 8.3ms half sine).

Key specifications

Parameter Value
Type General-purpose silicon rectifier
Reverse voltage (VRRM) 1000 V
Forward current (IF avg) 1 A
Forward voltage (VF) ~1.1 V at 1 A
Surge current (IFSM) 30 A
Reverse recovery standard (line frequency)
Marking band = cathode (pin 1)
Package DO-41 (axial THT)

Ordering variants

  • 1N4007-T (DO-41)
  • 1N4007-B (DO-41, bulk)

CAD (KiCad official)

  • Symbol: Diode:1N4007
  • Footprint: Diode_THT:D_DO-41_SOD81_P10.16mm_Horizontal
  • 3D model: DO-41 (KiCad packages3D)

Provenance

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

  • Datasheet: Diodes Incorporated datasheet (5 pp, sha256 d25a29da4690a61c, retrieved 2026-08-17, tier: manufacturer)
  • Extractor: ds2sf (Claude). Every pin and dimension is cited to a datasheet page; it refuses to fabricate.
  • CAD: KiCad official libraries (CC-BY-SA 4.0).

Datasheet PDF