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1N4007: 1A Rectifier Diode — Datasheet & Buying Guide

1N4007 guide: 1000V 1A rectifier diode, DO-41, applications and procurement tips.

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The 1N4007 is the standard 1A rectifier diode for power supplies. This guide explains its parameters and sourcing.

By Vigny (深圳市华芯购电子有限公司) · Published 2026-09-27 · Data verified 2026-09-29 · Sources: manufacturer datasheets & HuaXinGou stock verification

Specifications

The 1N4007 handles 1A average forward current with 1000V repetitive peak reverse voltage, in DO-41 axial package. It is the highest-voltage member of the 1N400x family.

Applications

Used in bridge rectifiers, AC-DC adapter input stages, reverse polarity protection and general power rectification.

Alternatives

SMD replacements include S1M (SMA) and SS110 (Schottky). For higher current, use 1N5408 (3A) or S3M.

Sourcing

1N4007 is a high-volume commodity. Confirm original packaging (tape/ammo) and batch. HuaXinGou can quote full-reel or cut-tape quantities.

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Frequently Asked Questions

What is the max current of 1N4007?
1A average forward current; surge up to 30A for one cycle.
What is 1N4007 used for?
AC rectification, freewheeling, and polarity protection in power circuits.
What is the SMD equivalent?
S1M in SMA package or M7 in SOD-123.

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