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| CERAMIC SURFACE-MOUNT * 21.4MHz and 45MHz FUNDAMENTAL ASCF21U and ASCF45U 7.2 x 5.2 x 1.5 mm MONOLITHIC CRYSTAL FILTERS FEATURES: * Surface-mount ceramic package. * Excellent attenuation bandwidth. * Reflow capable. * Low height.(1.5mm max.) APPLICATIONS: * Mobile communication systems. * Cellular and cordless phones. * Pagers. * Radios. STOPBAND PASSBAND ABRACON RIPPLE LOSS TERMINATING IMPEDANCE POLE dB PART ANDARD SPECIFICATIONS dB kHz dB kHz dB (W // pF) ST NO. STANDARD SPECIFICATIONS 2 2 2 2 3 3 3 3 3.75 7.50 10.0 15.0 20 18 10 15 18.0 25.0 30.0 45.0 1.0 1.0 1.0 1.0 ASCF21U8 ASCF21U15 ASCF21U20 ASCF21U30 2.0 2.0 2.0 2.0 (850 // 5.0) (1500 // 1.0) (1800 // 1.0) (2000 // 1.5) STANDARD SPECIFICATIONS ABRACON PART NO. PASSBAND POLE dB kHz STOPBAND dB kHz RIPPLE LOSS TERMINATING IMPEDANCE dB dB ( W // pF ) ASCF45U8 ASCF45U12 ASCF45U15 ASCF45U30 2 2 2 2 3 3 3 3 3.75 6.00 7.50 15.0 20 15 15 15 25.0 20.0 25.0 60.0 1.0 1.0 1.0 1.0 2.5 2.5 2.5 2.5 (650 // 3.5) (650 // 5.0) (650 // 3.5) (1200 // -3.0) Operating Temperature: -20C to + 70C. Environmental and mechanical specifications, see appendix C. Group 2. Applications notes, see appendix A. Tape and reel, see appendix H. Marking, see appendix G. Recommended handling, see appendix F. Dimensions: Inches (mm) We Manufacture to your Custom Specifications. Please Call for Details. ORDERING OPTIONS ASCFXXU XX Packaging -T for Tape and reel See suffix in P/N 21 or 45 PIN 1 2 3 4 5 6 FUNCTION IN GND GND OUT GND GND ABRACON IS ISO 9001 / QS 9000 CERTIFIED NOTE: Left blank if standard * All specifications and markings subject to change without notice ABRACON 29 Journey * Aliso Viejo, CA 92656 * USA (949) 448-7070 * FAX: (949) 448-8484 E-MAIL: abinfo@ abracon.com * INTERNET ADDRESS: www.abracon.com (R) C O R P O R AT I O N 77 |
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