DIO2361ST5
DIOO
Needs validationhigh risk
DIO2361ST5 may work only where low bandwidth and relaxed precision are acceptable.
Best Alternatives to RS8551XF
RS8551XF is a precision single RRIO CMOS op amp in SOT-23-5. Current evidence does not support a verified pin-compatible replacement.
AI replacement insight
Electrical riskhigh
GBW and offset may not meet target circuit needs.
Package riskmedium
Package matches but pinout is not proven.
Firmware risklow
Analog op amp; no protocol noted.
Sourcing riskmedium
Lifecycle detail is limited.
Can it be replaced directly?
No direct pin-compatible replacement is verified from these candidates.
Best replacement path
Use a verified precision RRIO op amp with matching SOT-23-5 pinout, GBW, offset, supply, and temperature.
Main risk
Pinout is unverified and the only op amp candidate is much slower.
Recommended alternatives
1Alternative comparison matrix
| Feature / factor | RS8551XF | DIO2361ST5 | Alt 2 | Alt 3 | Compatibility / risk |
|---|---|---|---|---|---|
| Package | SOT-23-5 | SOT-23-5 | SOT-23-5 — same package | ||
| Pinout | 5 pins | 5 pins | 5 pins — pin functions not shown | ||
| Voltage | 2.7-5.5V | 1.8-5.5V | 1.8-5.5V — range covers target | ||
| Temperature | -40 to 125C | -40 to 125C | -40 to 125C — range covers target | ||
| Application | 4.5MHz, 1uV | 300kHz, 10uV max | 300kHz, 10uV max — slower, less precise |
Application & sourcing insights
Questions & answers
From this set, DIO2361ST5 is the only same-function op amp, but it is a high-risk relaxed alternative.