ABRACON ASCF21U

CERAMIC SURFACE-MOUNT • 21.4MHz and 45MHz FUNDAMENTAL
MONOLITHIC CRYSTAL FILTERS
ASCF21U and ASCF45U
7.2 x 5.2 x 1.5 mm
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
STOPBAND
PASSBAND
ABRACON
RIPPLE LOSS TERMINATING IMPEDANCE
PART
NO.NDPOLE
dB S
kHz
kHz
dBNS dB
(W // pF)
STA
ARD
PECdBIFIC
ATIO
2
2
2
2
ASCF21U8
ASCF21U15
ASCF21U20
ASCF21U30
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 // 1.0)
(1800 // 1.0)
(2000 // 1.5)
STANDARD SPECIFICATIONS
ABRACON
PART NO.
ASCF45U8
ASCF45U12
ASCF45U15
ASCF45U30
PASSBAND
POLE dB
kHz
2
2
2
2
3
3
3
3
±3.75
±6.00
±7.50
±15.0
STOPBAND
dB
kHz
20
15
15
15
±25.0
±20.0
±25.0
±60.0
RIPPLE LOSS TERMINATING IMPEDANCE
dB
dB
( W // pF )
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: -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
ABRACON IS
ISO 9001 / QS 9000
CERTIFIED
Dimensions: Inches (mm)
PIN
1
2
3
4
5
6
FUNCTION
IN
GND
GND
OUT
GND
GND
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 •
F AX : (949) 448-8484
E-MAIL: [email protected] abracon.com • INTERNET ADDRESS: www.abracon.com
C O R P O R AT I O N
®
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