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Dielectric Chip Band Pass Filters
For Bluetooth & 2.4GHz W-LAN
CF Series CF61A8701
FEATURES
• Compact and high performance 3-pole filter.
• High relieability(Ceramic block filter).
• SMD type.
SHAPES AND DIMENSIONS
2.00±0.20
1.20max.
Conformity to RoHS Directive
(Front view)
0.75
0.70
0.40
0.75
0.40
1.20
2.50±0.20
0.50
(Bottom view)
(Side view)
(Rear view)
Tolerance: ±0.20
Dimensions in mm
RECOMMENDED PC BOARD PATTERNS
LAND
1.15
0.20
1.15
0.20
0.20
0.60
0.85
0.70 0.70
RESIST
1.15
0.20
1.15
0.20
0.60
0.85
0.70
1.25
3-ø0.40
1.95
Dimensions in mm
0.70 0.70
0.70
0.45
0.45
GND
0.20
1.95
Dimensions in mm
•
Conformity to RoHS Directive: This means that, in conformity with EU Directive 2002/95/EC, lead, cadmium, mercury, hexavalent chromium, and
specific bromine-based flame retardants, PBB and PBDE, have not been used, except for exempted applications.
• All specifications are subject to change without notice.
001-01 / 20080910 / e711_cf61a8701.fm
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ELECTRICAL CHARACTERISTICS
Center frequency
Band width
Insertion loss
Pass band ripple
Return loss
2450MHz
100MHz
1.80dB max.
0.80dB max.
10dB min.
45dB min.
35dB min.
35dB min.
35dB min.
40dB min.
25dB min.
25dB min.
50Ω
–20 to +85°C
[2400 to 2500MHz]
[2400 to 2500MHz]
[2400 to 2500MHz]
[880 to 960MHz]
[1570 to 1580MHz]
[1710 to 1880MHz]
Attenuation
[1880 to 1990MHz]
[2110 to 2170MHz]
[4800 to 5000MHz]
[7200 to 7500MHz]
Characteristics impedance
Operating temperature range
FREQUENCY CHARACTERISTICS
50
40
30
20
10
0
–
10
–
20
–
30
–
40
–
100
–
50
1700 1800 1900 2000 2100 2200 2300 2400 2500 2600 2700
Frequency (MHz)
–
10
–
20
–
30
–
40
–
50
–
60
–
70
–
80
–
90
0
RECOMMENDED SOLDERING CONDITION
250±3˚C
Soldering temperature
230˚C
Working temperature
180˚C
Soaking temperature
150˚C
90±30s
Time(s)
30s min.
• All specifications are subject to change without notice.
001-01 / 20080910 / e711_cf61a8701.fm
Return loss (dB)
Attenuation (dB)
