PESD5V0U1BL/315
NXP USA Inc.
Needs validationmedium risk
Promising match on package and voltage, but must verify missing clamping voltage.
Best Alternatives to LESD8D5.0CAT5G(UMW)
LESD8D5.0CAT5G(UMW) is a 5V bi-directional TVS diode in a compact SOD-882 package, designed for ESD protection in space-constrained applications. Finding a substitute requires careful matching of its low clamping voltage and 15pF capacitance.
AI replacement insight
Electrical riskhigh
Most alternatives have higher clamping voltage, offering weaker protection.
Package risklow
All viable candidates use the same SOD-882 package, ensuring physical compatibility.
Can it be replaced directly?
No verified direct replacement was found. Several candidates have the same package but differ in key electrical parameters like clamping voltage, which impacts protection level.
Best replacement path
Verify NXP's PESD5V0U1BL/315. It matches key voltage ratings, but its clamping voltage must be confirmed from a datasheet to ensure adequate protection.
Main risk
Using a substitute with a higher clamping voltage will provide less protection to the downstream circuit, potentially leading to damage from ESD or transient events.
Recommended alternatives
4Alternative comparison matrix
| Feature / factor | LESD8D5.0CAT5G(UMW) | PESD5V0U1BL/315 | LESD8D7.0CAT5G | MSESDAVLC6V1-1BM2 | Compatibility / risk |
|---|---|---|---|---|---|
| Package | SOD-882 | SOD-882 | SOD-882 | SOD-882 | SOD-882 — Package matches.; LESD8D7.0CAT5G: Package matches.; MSESDAVLC6V1-1BM2: Package matches.; UAD8C05L01(UMW): Package matches. |
| Voltage | 5.0V | 5V | 7.0V | 6.0V | 5V / 7.0V / 6.0V / 5.0V — Working voltage matches.; LESD8D7.0CAT5G: Significantly higher working voltage.; MSESDAVLC6V1-1BM2: Higher working voltage may be acceptable.; UAD8C05L01(UMW): Working voltage matches. |
| Breakdown Voltage | 5.6V | 5.5V | - | - | 5.5V — Breakdown voltage is a very close match. |
| Clamping Voltage | ~9.8V | Unknown | 13V | 12.5V | Unknown / 13V / 12.5V / 20V — Critical parameter is missing.; LESD8D7.0CAT5G: Higher clamping voltage offers less protection.; MSESDAVLC6V1-1BM2: Higher clamping voltage offers less protection.; UAD8C05L01(UMW): Significantly higher clamping voltage offers less protection. |
| Capacitance | 15pF | - | 16pF | 8pF | 16pF / 8pF / 0.4pF — Capacitance is a very close match.; MSESDAVLC6V1-1BM2: Lower capacitance may be suitable for high-speed lines.; UAD8C05L01(UMW): Much lower capacitance may alter signal integrity. |
| Power | 69W | - | 80W | 70W | 80W / 70W / ~60W — Higher peak power is an improvement.; MSESDAVLC6V1-1BM2: Peak power is a close match.; UAD8C05L01(UMW): Slightly lower estimated peak power. |
Application & sourcing insights
Questions & answers
The most promising alternative is PESD5V0U1BL/315 by NXP, as its working and breakdown voltages match. However, you must verify its clamping voltage from a datasheet before use. Other options have higher, less protective, clamping voltages.