SMD TCXO according to frequency stability requirements of Telcordia GR-253-Core SMC (SONET MINMUM CLOCK) and of ITU-T G.813 Option 2 1. Specification Frequency range: Supply Voltage VS (nominal values ±5%): +2.8 V +3.0 V +3.3 V +5.0 V Current consumption for: HCMOS: f < 20 MHz: f > 20 MHz: Clipped Sine wave: 10 MHz < f < 15 MHz 15 MHz < f < 30 MHz 30 MHz < f < 40 MHz < 6.0 mA < 10.0 mA < 1.5 mA < 2.0 mA < 4.0 mA Temperature range options: 0°Cto +50°C -10 °C to +60 °C 0°Cto +70°C -20 °C to +70 °C -30 °C to +85 °C -40 °C to +85 °C Frequency stability options: ± 0.50 ppm (not for all temp.range options): ± 1.0 ppm: ± 1.5 ppm ± 2.0 ppm ± 2.5 ppm ± 3.0 ppm ± 4.0 ppm ± 5.0 ppm Initial frequency tolerance (TA = +25 °C; VC = +1.5 V): 24 h after reflow (Tpeak = +260 °C for 10 sec max): Frequ.Stability vs. supply voltage changes VS + 5 %: Frequ. Stability vs. load changes + 10 %: T-53HS.doc Subject to technical modification

ROHS-Compliant Product Subject to technical modification

4. Case Case Style: BF193-1.2 3,70 Recommended soldering pattern 1,40 5. Reflow Soldering Profile 4 T-53HS.doc Subject to technical modification