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.
www.
DataSheet4U.
com ASCF21U8 ASCF21U15 ASCF21U20 ASCF21U30 STOPBAND PASSBAND ABRACON RIPPLE LOSS TERMINATING IMPEDANCE PART NO.
dB S kHz dB kHz dB (W // pF) STA NDPOLE ARD PEC IFIC ATIO NS dB 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 2.
0 2.
0 2.
0 2.
0 (850 // 5.
0) (1500 // 1...

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