Is there a pin-compatible replacement for DFLS130L-7?

Yes, several parts like DFLS240L-7 and SBR3U30P1-7 use the same PowerDI123 package, making them likely pin-compatible. However, you must verify the datasheet for exact footprint dimensions and review electrical parameters before substitution.

What risks should I check before replacing DFLS130L-7?

The main risk is a mismatch in forward voltage (Vf). A higher Vf will increase power loss and heat. Also, check for differences in diode technology (Schottky vs. SBR) and ensure the replacement's voltage and current ratings are sufficient.

DFLS130L-7 Alternatives, Datasheet & Cross Reference | Diodes Incorporated

Finding a substitute for the DFLS130L-7, a 30V 1A low-Vf Schottky diode, involves balancing voltage, current, and efficiency. This guide reviews several alternatives from Diodes Inc. in the same PowerDI123 package.

AI replacement insight

Electrical riskmedium

Higher forward voltage (Vf) in some candidates can impact efficiency. Technology change from Schottky to SBR requires review.

Package risklow

All suggested alternatives use the PowerDI123 package family, but footprint verification is always recommended.

Can it be replaced directly?

No direct drop-in replacement has been verified. However, several functional alternatives exist in the same package family, such as SBR3U30P1-7 and DFLS240L-7, which require engineering review.

Best replacement path

SBR3U30P1-7 is the most promising alternative, offering higher current in the same package with potentially comparable forward voltage. It uses SBR technology, which should be reviewed for the specific application.

Main risk

The primary risk is an increase in forward voltage (Vf), which can lead to lower power efficiency and increased heat generation. A secondary risk is the technology difference (Schottky vs. SBR).

Recommended alternatives

A 30V, 3A SBR diode in the same package with higher current and potentially similar performance.

View details

Alternative comparison matrix

Feature / factor	DFLS130L-7	SBR3U30P1-7	SBR3U40P1-7	DFLS240L-7	Compatibility / risk
Package	PowerDI123	PowerDI123	PowerDI123	PowerDI123	PowerDI123 — Package family matches, verify footprint.; SBR3U40P1-7: Package family matches, verify footprint.; DFLS240L-7: Package family matches, verify footprint.
Voltage	30V	30V	40V	40V	30V / 40V — Reverse voltage matches target.; SBR3U40P1-7: Higher reverse voltage provides more margin.; DFLS240L-7: Higher reverse voltage provides more margin.
Current	1.0A	3.0A	3.0A	2.0A	3.0A / 2.0A — Higher forward current capability.; SBR3U40P1-7: Higher forward current capability.; DFLS240L-7: Higher forward current capability.
Vf - Forward Voltage	0.31V @ 1A	0.39V @ 3A	0.47V	0.50V @ 2A	0.39V @ 3A / 0.47V / 0.50V @ 2A — Different technology (SBR). Vf at 1A may be comparable to target.; SBR3U40P1-7: Higher Vf may reduce efficiency. Uses SBR technology.; DFLS240L-7: Higher Vf may reduce efficiency. Check datasheet for Vf at 1A.
Temperature	-40°C to +125°C	-65°C to +150°C	-	-55°C to +125°C	-65°C to +150°C / -55°C to +125°C — Wider operating temperature range.; DFLS240L-7: Wider operating temperature range.
Ifsm - Surge Current	50A	-	75A	-	75A — Higher surge current tolerance.

Application & sourcing insights

Questions & answers

The most promising alternative is SBR3U30P1-7. It matches the 30V rating, offers a higher 3A current rating, and has a forward voltage that may be comparable to the DFLS130L-7 at 1A. Engineering review is recommended.