ASCF21UB

SURFACE MOUNT CRYSTAL FILTER ASCF21UB *RoHS COMPLIANT APPLICATIONS: • Mobile communication systems. • Pagers. • Cellular and cordless phones. • Radios. 6.0 x 3.5 x 1.0mm ||||||||||||||| FEATURES: • Surface-mount ceramic package. • Reflow capable. • Excellent attenuation bandwidth. • Low height (1.0mm max.) STANDARD SPECIFICATIONS: PARAMETERS Frequency Range Operating Temperature Series No. 21UB7A 21UB7B 21UB15A 21UB15B 21UB20A 21UB20B 21UB30A 21UB30B Series No. 21UB7A 21UB7B 21UB15A 21UB15B 21UB20A 21UB20B 21UB30A 21UB30B Pole 2 4 2 4 2 4 2 4 21.400MHz - 20° C to + 70° C Pass Band dB KHz 3 ± 3.75 3 ± 3.75 3 ± 7.5 3 ± 7.5 3 ± 10.0 3 ± 10.0 3 ± 15.0 3 ± 15.0 Attenuation Band dB KHz 18 ± 18.0 35 ± 14.0 15 ± 25.0 35 ± 25.0 15 ± 34.0 35 ± 34.0 15 ± 45.0 35 ± 50.0 Ripple dB 1.0 1.0 1.0 1.0 1.0 1.0 1.0 1.0 Loss dB 1.5 2.5 1.5 2.5 2.0 2.5 1.5 2.5 Attenuation Guaranteed dB KHz -910±10 50 -910±10 80 -910±10 50 -910±10 80 -910±10 50 -910±10 80 -910±10 45 -910±10 80 Terminal Impedance (Ω//pF) 850//6.0 850//3.5 1500//2.0 1500//0.5 1800//0.5 1800//-1.0 3000//0 3000//-1.5 Case Quantity 1 2 1 2 1 2 1 2 MARKING: - 21.4 - UBXX ZY OUTLINE DRAWING: XX : suffix of P/N ZY : Date Code Z = Month (A to L) Y = Year (6 for 2006) ORDERING INFORMATION: ASCF21UBXX - Packaging -T Tape and Reel (1,000pcs/reel) Dimensions: inch (mm) rev1.1-05/06 ABRACON IS ISO 9001 / QS 9000 CERTIFIED 30332 Esperanza, Rancho Santa Margarita, California 92688 tel 949-546-8000 | fax 949-546-8001 | www.abracon.com