Oscilent Corporation | 121 - 122 Page 1 of 2 Quartz Crystals Series Number Package Description Last Modified 121 ~ 122 3x8, 2x6 Low Frequency Quartz Sept 01. 2006 . Quartz Crystal FEATURES - Excellent shock and vibration characteristics - Miniature size - Long term stability - Cost effective - RoHs / Lead Free compliant . OPERATING CONDITIONS / ELECTRICAL CHARACTERISTICS PARAMETERS 122 Series UNITS 3x8 (1) 2x6 (2) - - Frequency Range fO 38.4 ~ 76.8 KHz Frequency Tolerance f/fo ±10 or ±20 PPM Load Capacitance (typ.) CL 12.5 (typ.) pF Drive Level (max.) DL 1.0 ± 0.2 µW Resistance (at Series Resonance) R1 30 max. 40 max. Kohm Q-Factor Q 80,000 (typ.), 50,000 min. 70,000 (typ.), 40,000 min. - Turnover Temperature TM +25 ±5 °C - -0.036 ± 0.006 PPM/°C° Parabolic Curveture Constant Shunt Capacitance Co 1.30 (typ.), 2.0 max. 1.10 (typ.), 1.8 max. pF Capacitance Ratio - 530 (typ.), 650 max. 470 (typ.), 650 max. - Operating Temperature TOPR -10~+60 °C Storage Temperature TSTG -20~+70 °C - Drop test 3 times on hard wooden board fr. height 75cm/±3 PPM max. PPM IR 500 Mohm min./DC100V Mohm Shock Resistance Insulation Resistance . 121 Series Size (Figure No.) Oscilent Corporation | 121 - 122 Page 2 of 2 . PART NUMBER GUIDE Series Number 122 121 = 3x8 (Fig. 1) 122 = 2x6 (Fig. 2) Frequency Load Capacitance - 40.0K Enter your required frequency. e.g. 40.0K = 40.000 KHz - 12.5 12.5 = 12.5pF SR = Series Resonance Others Avail.* Tolerance @ +25°C Operating Temp ( °C ) - 20 R 10 = ±10PPM 20 = ±20PPM Others Avail. R = -10~+60 Others Avail. NOTE: Deviations on all parameters available. Please consult Oscilent for details. DEFINITIONS: Click on the characteristic names above, for definitions of that particular characteristic. *LOAD CAP.: 12.5pF standard. Other load capacitance available, please specify. Series No.: Crystal Oscillators | Quartz Crystal | TCXO | VCXO | IF SAW Filter | RF SAW Filter | Ceramic Resonator Crystal Filter | Ceramic Filter | SAW Filter / SAW Devices | Site Map 121 to 122