Mercury QMQF576D33-2.5B series TCXO (Temperature Compensated Crystal Oscillator), ±2.5 ppm over -30 to +85ºC frequency stability, 6 Pads SMD 3.3 V LVDS square wave, 100 Ω across Q and Q\ load, 10.0 MHz ~ 1500.0 MHz, 7.0X5.0X2.5 mm Differential LVPECL logic output TCXO with typical phase jitter (RMS, 12 KHz ~ 20 MHz bandwidth) 1.0 ~ 1.6 p. sec., No mechanical no electrical frequency trimming. Choose VQMQF576D33-2.5B VCTCXO with typical phase jitter (RMS, 12 KHz ~ 20 MHz bandwidth) 1.0 ~ 1.6 p. sec., series for electronic frequency tuning A QuickXO (quick-turn delivery) product. Delivered in days, not weeks.