638-680K

Oscilent Corporation | 638 Series Ceramic Resonator Page 1 of 2 Ceramic Resonator Series Number Package Description Last Modified 638 ZTB Ceramic Surface Mountable Mar. 23 2009 FEATURES - Low frequencies - Extended temperature range - Surface Mountable Ceramic Resonator - High stability - RoHS Compliant OPERATING CONDITIONS / ELECTRICAL CHARACTERISTICS Frequency Range (KHz) 375 ~ 429 430 ~ 509 510 ~ 699 700 ~ 999 1000 ~ 1250 Frequency Accuracy @ 25°C ±2 KHz ±2 KHz ±2 KHz ±0.5% ±0.5% Resonant Impedance ohm max. 20 20 30 70 100 ±0.3% ±0.3 100 100 Stability in Temp. -20~+80°C Aging for Ten Years (%) Load Capacitance (pF) C1 120 C2 470 . Freq. Range (KHz) 375 ~ 429 430 ~ 509 510 ~ 699 700 ~ 1250 Dimensions W 8.0 7.5 7.0 5.0 T 3.5 3.3 3.0 2.2 H 9.0 8.5 8.5 6.0 P 5.0 5.0 5.0 2.5 T1 1.1 1.1 1.1 0.8 T2 0.15 0.15 0.15 0.12 Oscilent Corporation | 638 Series Ceramic Resonator Page 2 of 2 . PART NUMBER GUIDE Part Number Frequency Packaging** Blank* = Bulk -TR = Tape/ Reel 638 Series Number - 680 K e.g. -680K = 680KHz Range = 375 ~ 1250 KHz NOTE: Deviations on all parameters available. Please consult Oscilent for details. DEFINITIONS: Click on the characteristic names above, for definitions of the particular characteristic. *STANDARDS: "Blank" part number selections, indicate standard variables for the particular characteristic. **PACKAGING: Click on the packaging name above for tape/reel specifications Oscilent Corporation - CALL 949.252.0522 18195 East McDurmott Street . Building D . Irvine . CA 92614 . USA Fax: 949.252.0599 . E-Mail: Sales@Oscilent.com Series No.: 638 Crystal Oscillators | Quartz Crystal | TCXO | VCXO | IF SAW Filter | RF SAW Filter | Ceramic Resonator Crystal Filter | Ceramic Filter | SAW Filter / SAW Devices | Site Map