Best Alternatives to GN1M

Package: DO-214AC (SMA)Suzhou Good-Ark Electronics Co., Ltd.DiodesForward Current: 1.0 AReverse Voltage (Vr): 1000 VForward Voltage (Vf): 1.0 VPeak Forward Surge Current: 30 AReverse Leakage Current: 5.0 μA

GN1M is a standard 1A, 1000V general-purpose rectifier in a DO-214AC (SMA) package. Common alternatives include S1M and M7, which offer similar performance and package.

AI replacement insight

Electrical riskmedium

Risk is low if a standard recovery diode is used, but medium if a fast-recovery type is chosen by mistake.

Package risklow

The DO-214AC (SMA) package is standardized and widely available.

Sourcing risklow

Many alternatives exist from multiple vendors, making sourcing easy.

Can it be replaced directly?

Direct replacement for GN1M should use only Datasheet verified or Strong match candidates; many approved options still require engineering review.

Best replacement path

Use an industry-standard S1M or M7 (the SMD version of 1N4007) from a reputable manufacturer.

Main risk

Using a diode with the wrong recovery time (e.g., fast instead of standard) is the main risk.

Recommended alternatives

4
M7 1N4007 package
M7 1N4007

JUXING

Needs validationlow risk

The industry-standard SMD equivalent (M7) for a 1N4007, offering pin compatibility.

View details

Alternative comparison matrix

Feature / factorGN1MM7 1N4007GS1MS1MCompatibility / risk
PackageDO-214AC (SMA)DO-214AC (SMA)DO-214AC (SMA)DO-214AC (SMA)DO-214AC (SMA) — M7 is the standard SMD code for this package.; GS1M: Mechanically compatible.; SM520: Mechanically compatible.
Voltage1000V1000V1000V1000V1000V / 2000V — Matches 1N4007 spec.; GS1M: Same reverse voltage rating.; SM520: Higher voltage rating provides more margin.
Current1.0A1.0A1.0A1.0A1.0A / 1.5A — Matches 1N4007 spec.; GS1M: Same average forward current.; SM520: Higher current rating provides more margin.
ApplicationStandardStandard-Standard (likely)Standard / Standard (likely) — Standard recovery diode by definition.; S1M: Common general-purpose part, but recovery time not guaranteed without datasheet review.

Application & sourcing insights

Questions & answers

Verified drop-in options for GN1M are limited in the current batch. Review candidates marked Strong match or Datasheet verified, and validate package, pinout, and electrical limits before committing a BOM change.