MS2A40LWS
MSKSEMI
Needs validationlow risk
A strong alternative with higher voltage/current ratings and a comparable low forward voltage in the same package.
Best Alternatives to NSR0530HT1G
NSR0530HT1G is a 30V, 500mA Schottky barrier diode from onsemi in a compact SOD-323 package. It is optimized for low forward voltage drop and high switching speed, making it ideal for power management in portable electronics.
AI replacement insight
Package risklow
All viable candidates use the same SOD-323 package, ensuring form-fit compatibility.
Electrical riskmedium
Many alternatives have higher forward voltage (Vf), increasing power loss. Capacitance must also be checked for high-frequency use.
Sourcing risklow
The target and several alternatives are from different manufacturers and appear to be actively produced.
Can it be replaced directly?
Yes, MS2A40LWS is a strong candidate for a pin-compatible replacement for NSR0530HT1G. It matches the SOD-323 package and offers similar low forward voltage with higher electrical ratings.
Best replacement path
MS2A40LWS is the most promising alternative, offering upgraded voltage and current ratings with a comparably low forward voltage. It is a strong candidate for a drop-in replacement after datasheet verification.
Main risk
The primary risk when substituting NSR0530HT1G is performance degradation from higher forward voltage (Vf) or junction capacitance (Ct), which can reduce efficiency or impact signal integrity in high-frequency circuits.
Recommended alternatives
4Alternative comparison matrix
| Feature / factor | NSR0530HT1G | MS2A40LWS | S7116-300A | RB551V-30 | Compatibility / risk |
|---|---|---|---|---|---|
| Package | SOD-323 | SOD-323 | SOD-323 | SOD-323 | SOD-323 — Form factor matches.; S7116-300A: Form factor matches.; RB551V-30: Form factor matches.; RB550V-30: Form factor matches. |
| Voltage | 30V | 40V | 40V | 30V | 40V / 30V — Higher reverse voltage provides more design margin.; S7116-300A: Higher reverse voltage provides more design margin.; RB551V-30: Matches target, no additional design margin.; RB550V-30: Matches target, no additional design margin. |
| Current | 0.5A | 2.0A | 1.0A | 0.5A | 2.0A / 1.0A / 0.5A — Significantly higher forward current capability.; S7116-300A: Higher forward current capability.; RB551V-30: Matches target rating.; RB550V-30: Higher forward current capability. |
| Forward Voltage | 0.37V @ 100mA | ~0.35V @ 500mA | ~0.45V @ 500mA | 0.47V @ 500mA | ~0.35V @ 500mA / ~0.45V @ 500mA / 0.47V @ 500mA / 0.56V @ 1A — Low Vf is comparable to target, minimizing efficiency loss.; S7116-300A: Higher Vf than target, will increase power loss. Verify in application.; RB551V-30: Higher Vf than target, will increase power loss. Verify in application.; RB550V-30: Significantly higher Vf than target, will increase power loss. |
Application & sourcing insights
Questions & answers
The best alternative identified is MS2A40LWS. It offers a higher voltage (40V) and current (2A) rating in the same SOD-323 package with a comparably low forward voltage, making it a robust upgrade.