Original Part
125 MHz XO (Standard) LVDS Oscillator 2.5V Enable/Disable 6-SMD, No Lead
Alternative Part
125 MHz XO (Standard) LVDS Oscillator 2.5V Enable/Disable 6-SMD, No Lead
125 MHz XO (Standard) LVDS Oscillator 2.5V Enable/Disable 6-SMD, No Lead
1. 633L12505I2T Substitution Conclusion
Substitution is conditionally acceptable, with a critical focus required on power consumption and thermal design. This part is fully compatible with the Original Part in core functionalities (frequency, voltage, interface, and package footprint). The primary deviation is its significantly higher maximum operating current of 66mA (compared to 27mA for the Original Part). Under identical voltage conditions, this results in a power dissipation approximately 2.4 times greater, which may substantially increase overall system power draw and heat generation. Design verification must ensure the power rail provides sufficient current headroom. Furthermore, the unspecified standby (disable) current introduces uncertainty in power management. Mechanically, its reduced height (1.00mm vs. 1.10mm) is generally compatible, but confirmation is necessary if the application imposes strict height constraints.
2. 633V12505I2T Substitution Conclusion
Substitution is conditionally acceptable, necessitating a thorough re-evaluation of power and thermal design. The case for this part is nearly identical to the 633L12505I2T, offering a drop-in replacement in terms of key electrical and physical specifications. The critical differentiator remains the much higher maximum operating current (66mA vs. the Original Part's 27mA), directly leading to increased power dissipation and potential thermal buildup. System power budget and heat sinking must be recalculated accordingly. The unspecified standby current parameter adds a further layer of power management risk. The slightly lower profile (1.00mm vs. 1.10mm) is unlikely to affect mounting in most cases but should be included as a check item for mechanical compatibility.
Analysis ID: BE90-CC20000
Based on part parameters and for reference only. Not to be used for procurement or production.
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