What risks should I check before replacing S7116-300A?

Verify that the replacement's forward voltage (Vf), reverse leakage current (Ir), and junction capacitance meet your circuit's requirements. For high-frequency applications, switching speed is also critical. Always confirm the package dimensions and pinout.

S7116-300A Alternatives, Datasheet & Cross Reference | MSKSEMI

S7116-300A is a 40V, 1A Schottky diode in a SOD-323 package from MSKSEMI. This page provides an analysis of potential alternatives, including pin-compatible options and functional upgrades.

AI replacement insight

Electrical risklow

Static parameters are well-matched by top candidates; check dynamic parameters like Ir and Cj for your application.

Package risklow

SOD-323 is a standard package, ensuring mechanical compatibility.

Sourcing riskmedium

Avoid generic MPNs. Stick to specific, reputable manufacturers like Prisemi or the original, MSKSEMI.

Can it be replaced directly?

Yes, PSBD3D40V1H is a potential pin-to-pin replacement for S7116-300A, sharing the same package, voltage, current, and forward voltage. However, full datasheet validation is recommended.

Best replacement path

PSBD3D40V1H by Prisemi offers a near-identical parametric match. For an upgrade, consider MS2A40LWS from the original manufacturer, which provides a higher current rating.

Main risk

The main risk is ensuring key dynamic characteristics like reverse leakage current (Ir) and junction capacitance (Cj) are suitable for the specific application.

Recommended alternatives

A potential pin-to-pin replacement with identical package, voltage, current, and forward voltage ratings.

View details

Alternative comparison matrix

Feature / factor	S7116-300A	PSBD3D40V1H	MS2A40LWS	B1040WS	Compatibility / risk
Package	SOD-323	SOD-323	SOD-323	SOD-323	SOD-323 — Package matches.; MS2A40LWS: Package matches.; B1040WS: Package matches.
Voltage	40V	40V	40V	40V	40V — Reverse voltage matches.; MS2A40LWS: Reverse voltage matches.; B1040WS: Reverse voltage matches.
Current	1A	1A	2A	1A	1A / 2A — Average forward current matches.; MS2A40LWS: Higher current rating provides more margin.; B1040WS: Forward current matches.
Vf	0.55V @ 1A	0.55V @ 1A	0.42V @ 1A	0.58V @ 1A	0.55V @ 1A / 0.42V @ 1A / 0.58V @ 1A — Forward voltage is identical.; MS2A40LWS: Lower forward voltage improves efficiency.; B1040WS: Slightly higher forward voltage.
Ir	Not specified	0.1mA @ 40V	-	50µA @ 40V	0.1mA @ 40V / 50µA @ 40V — Reverse leakage is specified; compare to target datasheet.; B1040WS: Low reverse leakage is a good sign.

Application & sourcing insights

Questions & answers

Verified drop-in options for S7116-300A 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.