LAN8742A-CZ-TR
MICROCHIP
Needs validationlow risk
A pin-compatible match with the same function, but with a commercial instead of industrial operating temperature range.
Best Alternatives to LAN8742AI-CZ-TR
LAN8742AI-CZ-TR is an industrial-grade 10/100 Ethernet PHY in a 24-VQFN package. The most common replacement is its commercial-grade variant, which is identical besides the operating temperature range.
AI replacement insight
Electrical risklow
Core electrical specs are identical.
Package risklow
Identical package and pinout.
Firmware risklow
Same device family, no firmware changes expected.
Sourcing riskmedium
Temperature grade may affect regional availability or lead time.
Can it be replaced directly?
A direct, pin-compatible replacement is available (LAN8742A-CZ-TR), provided the operating temperature range of 0°C to 70°C is acceptable for your design.
Best replacement path
Use the commercial grade version, LAN8742A-CZ-TR, if the application environment allows for a narrower temperature range.
Main risk
Thermal stress if used outside the specified commercial temperature range.
Recommended alternatives
1Alternative comparison matrix
| Feature / factor | LAN8742AI-CZ-TR | LAN8742A-CZ-TR | Alt 2 | Alt 3 | Compatibility / risk |
|---|---|---|---|---|---|
| Package | 24-VQFN | 24-VQFN | 24-VQFN — Package dimensions are identical. | ||
| Pin Count | 24 | 24 | 24 — Pin count is identical. | ||
| Interface | RMII | RMII | RMII — Ethernet interface is identical. | ||
| Temperature | -40°C to +85°C | 0°C to +70°C | 0°C to +70°C — Candidate is commercial grade, target is industrial. | ||
| Lifecycle | Active | Active | Active — Both parts are in active production. |
Application & sourcing insights
Questions & answers
LAN8742A-CZ-TR is the best functional alternative. It offers the same features and pinout in a commercial temperature grade (0°C to 70°C), while the target is industrial grade (-40°C to 85°C).