See Brady Products
Oscillator TCXO - 25.000MHz - CMOS - 1.7 to 3.6V ±2.5ppm -30°C to 85°C - 3.3V - ±2.5ppm -40°C to 85°C - 4-SMD - 0.098" x 0.079" (2.50mm x 2.00mm)