K10104CTLD
cosmo
Needs validationlow risk
A strong functional alternative in the same package with matching key voltage ratings.
Best Alternatives to PS2501L-1-F3
The Renesas PS2501L-1-F3 is a general-purpose 80V, 5kVrms isolation optocoupler in an SMD-4P package. Several functional alternatives with similar key ratings are available, requiring engineering review of timing characteristics.
AI replacement insight
Electrical riskmedium
Switching times and CTR bins may differ. Must be verified against application requirements.
Package risklow
Several alternatives exist in the same SMD-4P package, but pinout must be confirmed.
Sourcing risklow
Multiple manufacturers produce similar optocouplers, providing a good supply base.
Can it be replaced directly?
No officially verified drop-in replacement is available, but the Cosmo K10104 series parts are strong functional alternatives in the same package that require minimal verification.
Best replacement path
The Cosmo K10104 series (e.g., K10104CTLD) offers the strongest combination of matching parameters and package.
Main risk
The primary risk is a mismatch in switching speed (rise/fall times), which could impact performance in high-frequency applications.
Recommended alternatives
4Alternative comparison matrix
| Feature / factor | PS2501L-1-F3 | K10104CTLD | K10104ATLD | K30102C TLD | Compatibility / risk |
|---|---|---|---|---|---|
| Package | SMD-4P | SMD-4P | SMD-4P | SMD-4P | SMD-4P — Same package and pin count.; K10104ATLD: Same package and pin count.; K30102C TLD: Same package and pin count.; BPC-817SC: Same package and pin count. |
| Voltage | 5000 Vrms | 5000 Vrms | 80 V | 80 V | 5000 Vrms / 80 V — Isolation voltage matches.; K10104ATLD: Collector-Emitter Voltage (VCEO) matches.; K30102C TLD: Collector-Emitter Voltage (VCEO) matches.; BPC-817SC: Isolation voltage matches. |
| Timing | tr: 3µs, tf: 5µs | tr: 4µs, tf: 3µs | tr: 4µs, tf: 3µs | tr: 5µs, tf: 4µs | tr: 4µs, tf: 3µs / tr: 5µs, tf: 4µs — Rise time is slower, fall time is faster. Verify application impact.; K10104ATLD: Rise time is slower, fall time is faster. Verify application impact.; K30102C TLD: Slightly different switching speeds. |
| Temperature | -55°C to +100°C | -55°C to +115°C | - | - | -55°C to +115°C / -40°C to +100°C — Wider operating temperature range.; BPC-817SC: Reduced operating temperature range at low end. |
| Input Type | DC Input | - | - | AC/DC Input | AC/DC Input — Candidate has inverse-parallel input diodes for AC input. |
Application & sourcing insights
Questions & answers
The best alternatives for PS2501L-1-F3 appear to be from the Cosmo K10104 series, such as K10104CTLD. They match the package, VCEO, and isolation voltage, but require verification of timing specs.