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Best Alternatives to B320A-13-F

Package: DO-214AC, SMADiodes IncorporatedDiodes - Rectifiers - SingleSeries: Automotive, AEC-Q101Package: Tape & Reel (TR); Cut Tape (CT); Digi-Reel®Voltage - DC Reverse (Vr) (Max): 20 VCurrent - Average Rectified (Io): 3AVoltage - Forward (Vf) (Max) @ If: 500 mV @ 3 A

Finding a substitute for the Diodes Inc. B320A-13-F, a 3A 20V Schottky diode in an SMA package, requires careful matching of electrical and mechanical properties. The best options offer higher voltage ratings while maintaining low forward voltage for optimal efficiency.

AI replacement insight

Electrical riskmedium

Mismatches in forward voltage (Vf) or diode technology can impact circuit efficiency and performance.

Package risklow

All top candidates use the same SMA package, ensuring mechanical compatibility.

Sourcing risklow

Many alternatives are available from the same manufacturer, Diodes Inc., simplifying procurement.

Can it be replaced directly?

Yes, the B330A-13-F is a strong candidate for a pin-compatible replacement for the B320A-13-F. It provides a higher voltage margin with no other significant trade-offs, making it a likely drop-in upgrade.

Best replacement path

The B330A-13-F is the most promising replacement. It's from the same product family and manufacturer, offering an increased voltage rating (30V vs. 20V) while matching the critical 3A current, SMA package, and 0.5V forward voltage.

Main risk

The primary risk when substituting is selecting a part with a higher forward voltage (Vf), which increases power loss and heat. A secondary risk is a change in diode technology (e.g., from Schottky to SBR) which can affect switching behavior.

Recommended alternatives

4
B330A-13-F package
B330A-13-F

Diodes Incorporated

Needs validationlow risk

A likely pin-compatible upgrade from the same family with a higher voltage rating (30V vs 20V) and matching key specs.

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Alternative comparison matrix

Feature / factorB320A-13-FB330A-13-FSBR3A40SA-13SBRT5A50SA-13Compatibility / risk
PackageSMASMASMASMASMA — Same package ensures form and fit.; SBR3A40SA-13: Same package ensures form and fit.; SBRT5A50SA-13: Same package ensures form and fit.; B360AE-13: Same package ensures form and fit.
Voltage20V30V40V50V30V / 40V / 50V / 60V — Higher voltage rating provides increased design margin.; SBR3A40SA-13: Higher voltage rating provides more margin.; SBRT5A50SA-13: Higher voltage rating provides more margin.; B360AE-13: Higher voltage rating provides significant margin.
Current3.0A3.0A3.0A5.0A3.0A / 5.0A — Current rating matches the target.; SBR3A40SA-13: Current rating matches the target.; SBRT5A50SA-13: Higher current rating provides more margin.; B360AE-13: Current rating matches the target.
Vf0.5V0.5V0.50V-0.5V / 0.50V / 0.65V — Forward voltage matches, ensuring similar efficiency.; SBR3A40SA-13: Forward voltage matches, but check SBR performance curves.; B360AE-13: Higher forward voltage will increase power dissipation.
TechnologySchottkySchottkySBRSBRSchottky / SBR — Same family and specs imply matching technology.; SBR3A40SA-13: Different technology (SBR vs Schottky) may affect switching characteristics.; SBRT5A50SA-13: Different technology (SBR vs Schottky) may affect switching characteristics.

Application & sourcing insights

Questions & answers

The best alternative for B320A-13-F is B330A-13-F. It's from the same family with identical current (3A), forward voltage (0.5V), and package (SMA), but offers a higher reverse voltage of 30V for increased design margin.