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Best Alternatives to US1008FL_R1_00001

Package: SOD-123FPANJIT International Inc.Diodes - Rectifiers - SingleSeries: -Package: Tape & Reel (TR); Cut Tape (CT); Digi-Reel®Voltage - DC Reverse (Vr) (Max): 800 VCurrent - Average Rectified (Io): 1AVoltage - Forward (Vf) (Max) @ If: 1.7 V @ 1 A

Finding a substitute for the US1008FL_R1_00001, an 800V/1A fast recovery diode, requires matching the SOD-123FL package and critical electricals like reverse recovery time (trr).

AI replacement insight

Electrical riskmedium

Critical to match Fast Recovery type and trr. Mismatch can cause circuit failure.

Package risklow

SOD-123FL is a common package, ensuring mechanical compatibility.

Can it be replaced directly?

Yes, onsemi's US1MFA is a potential pin-compatible upgrade. Other alternatives exist but may have slower recovery times, requiring careful review.

Best replacement path

The best upgrade path is US1MFA from onsemi, offering higher voltage (1000V) and faster switching (75ns) in the same package.

Main risk

The main risk is substituting with a diode that has a slower reverse recovery time (trr), which can cause inefficiency or failure in fast-switching circuits.

Recommended alternatives

3
US1MFA package
US1MFA

onsemi

Needs validationlow risk

A strong upgrade with higher voltage (1000V), faster recovery (75ns), and AEC-Q101 qualification in the same package.

View details

Alternative comparison matrix

Feature / factorUS1008FL_R1_00001US1MFAFFM107-MRS2MWCompatibility / risk
PackageSOD-123FLSOD-123FLSOD-123FLSOD-123FLSOD-123FL — Form and fit are identical.; FFM107-M: Form and fit are identical.; RS2MW: Form and fit are identical.
Voltage800V1000V1000V1000V1000V — Higher voltage rating provides more design margin.; FFM107-M: Higher voltage rating provides more margin.; RS2MW: Higher voltage rating provides more margin.
Current1A1A1A2A1A / 2A — Average forward current is identical.; FFM107-M: Average forward current is identical.; RS2MW: Higher current rating provides more margin.
Trr100ns75ns500ns500ns75ns / 500ns — Faster recovery time improves efficiency.; FFM107-M: Significantly slower recovery time is a major risk.; RS2MW: Significantly slower recovery time is a major risk.
QualificationCommercialAEC-Q101--AEC-Q101 — Automotive qualification may be beneficial.
Vf1.7V-1.3V-1.3V — Lower forward voltage improves efficiency.

Application & sourcing insights

Questions & answers

The best alternative is onsemi's US1MFA. It is an upgrade with a higher voltage rating (1000V) and faster recovery time (75ns) in the same SOD-123FL package.