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Best Alternatives to STTH1R06A

Package: DO-214AC, SMASTMicroelectronicsDiodes - Rectifiers - SinglePackage: Tape & Reel (TR); Cut Tape (CT); Digi-Reel®Voltage - DC Reverse (Vr) (Max): 600 VCurrent - Average Rectified (Io): 1AVoltage - Forward (Vf) (Max) @ If: 1.7 V @ 1 ACurrent - Reverse Leakage @ Vr: 1 µA @ 600 V

STTH1R06A is a 600V, 1A ultrafast rectifier in an SMA package, known for its 25ns reverse recovery time. Finding a replacement requires careful matching of this key speed parameter for high-frequency designs.

AI replacement insight

Electrical riskhigh

Reverse recovery time (trr) mismatch is a critical risk for high-frequency applications.

Package risklow

The SMA package is standard and widely available.

Can it be replaced directly?

No direct, drop-in replacement has been identified. All reviewed candidates have a slower reverse recovery time, which is a critical parameter for this ultrafast diode.

Best replacement path

Prioritize candidates with the closest reverse recovery time (trr), such as STTH1L06A or MURS260A, and verify performance in-circuit.

Main risk

The main risk is functional failure due to slower switching speed, leading to increased thermal stress and potential damage.

Recommended alternatives

2
MURS260A package
MURS260A

LGE

Needs validationmedium risk

An alternate with double the current rating, but slower recovery speed and higher forward voltage.

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Alternative comparison matrix

Feature / factorSTTH1R06AMURS260ASTTH1L06AAlt 3Compatibility / risk
PackageSMASMA (DO-214AC)SMASMA (DO-214AC) — Package is form-fit compatible.; STTH1L06A: Package is form-fit compatible.
Current1A2A1A2A / 1A — Higher forward current rating.; STTH1L06A: Forward current matches.
Voltage600V600V600V600V — Reverse voltage matches.; STTH1L06A: Reverse voltage matches.
Application~1.0V1.25V~1.05V1.25V / ~1.05V — Higher forward voltage may increase losses.; STTH1L06A: Slightly higher forward voltage.

Application & sourcing insights

Questions & answers

Candidates like STTH1L06A and MURS260A offer similar form and ratings but have slower recovery times (50ns vs 25ns). Engineering review is critical to ensure compatibility with your circuit's switching frequency.