ASCF21U Datasheet, PDF (1/1 Pages) Abracon Corporation – CERAMIC SURFACE-MOUNT 21.4MHz and 45MHz FUNDAMENTAL MONOLITHIC CRYSTAL FILTERS

CERAMIC SURFACE-MOUNT • 21.4MHz and 45MHz FUNDAMENTAL
MONOLITHIC CRYSTAL FILTERS
ASCF21U and ASCF45U
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.
STANDARD SPECIFICATIONS
ABRACON
PASSBAND STOPBAND RIPPLE LOSS TERMINATING IMPEDANCE
PSARTT ANON . D^PA^OLR^E DdB SkHPz ECdBIFICkHAz TIOdBNSdB
(W // pF)
ASCF21U8
2 3 ±3.75 20 ±18.0 1.0
2.0
ASCF21U15 2 3 ±7.50 18 ±25.0 1.0
2.0
ASCF21U20 2 3 ±10.0 10 ±30.0 1.0
2.0
ASCF21U30 2 3 ±15.0 15 ±45.0 1.0
2.0
(850 // 5.0)
(1500 // 1.0)
(1800 // 1.0)
(2000 // 1.5)
7.2 x 5.2 x 1.5 mm
STANDARD SPECIFICATIONS
ABRACON
PART NO.
PASSBAND
POLE _{dB kHz}
STOPBAND
dB kHz
RIPPLE LOSS TERMINATING IMPEDANCE
dB
dB
( W // pF )
ASCF45U8 2 3 ±3.75 20 ±25.0
ASCF45U12 2 3 ±6.00 15 ±20.0
ASCF45U15 2 3 ±7.50 15 ±25.0
ASCF45U30 2 3 ±15.0 15 ±60.0
1.0 2.5
1.0 2.5
1.0 2.5
1.0 2.5
(650 // 3.5)
(650 // 5.0)
(650 // 3.5)
(1200 // -3.0)
Operating Temperature: -20°C to + 70°C.
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.
We Manufacture to your Custom Specifications. Please Call for Details.
ORDERING OPTIONS
ASCFXXU XX - Packaging
See suffix in P/N -T for Tape and reel
21 or 45
Dimensions: Inches (mm)
PIN FUNCTION
1
IN
2
GND
3
GND
4
OUT
5
GND
6
GND
ABRACON IS
ISO 9001 / QS 9000
CERTIFIED
NOTE: Left blank if standard • All specifications and markings subject to change without notice
29 Journey • Aliso Viejo, CA 92656 • USA
[phone] • FAX: [phone]
E-MAIL: abinfo@ abracon.com • INTERNET ADDRESS: www.abracon.com
ABRACON
®
C O R P O R AT I O N
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