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
From a core parameter perspective, the 633L12505I2T fully matches the original part in frequency, voltage, output type, package footprint, and frequency stability, establishing a baseline for direct substitution. Its maximum operating current (66mA) is significantly higher than the original's 27mA, resulting in a power dissipation approximately 2.4 times greater at the same voltage. This may increase overall system power consumption and place a higher burden on the power supply design. Furthermore, its Disable-state current parameter is unspecified, necessitating careful verification if the application involves a low-power standby mode. Substitution is feasible if the system has sufficient power headroom and does not rely on precise Disable current characteristics. However, a focused evaluation of thermal dissipation and power supply capacity is mandatory.
2. 633V12505I2T Substitution Conclusion
The 633V12505I2T shares highly consistent parameters with the 633L12505I2T, and similarly presents the issue of a significantly higher maximum operating current (66mA vs. the original 27mA), along with unspecified Disable current. While their mechanical dimensions, including a slightly lower height (1.00mm vs. the original 1.10mm), show minor differences, they are generally compatible for installation. The critical divergence remains centered on power consumption: the substantial current increase may lead to localized temperature rise or interference with sensitive circuits. Prioritizing confirmation of the system's power supply and thermal design capability to handle this load is essential before substitution. If power consumption is not a critical limiting factor and the package is compatible, substitution is possible, but long-term stability verification through actual measurement is recommended.
Analysis ID: B4A9-8FCE000
Based on part parameters and for reference only. Not to be used for procurement or production.
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