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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
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FEATURES: • Surface-mount ceramic package. • Reflow capable. • Excellent attenuation bandwidth. • Low height (1.0mm max.)
STANDARD SPECIFICATIONS:
PARAMETERS Frequency Range Operating Temperature
Series No. 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
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