Crystal Filter
Fundamental 45MHz-Series MCF
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Features
l
Compact and light.
l
Structure highly resistant to vibration and shock.
Pb
Free
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Specifications
Model
45S7.5AA
45S7.5BF
45S15A
45S15BU
45S30AJ
45S30BN
Passband
Stop
Nominal
Insertion loss
Guaranteed
Number
width
bandwidth Ripple
frequency
(insertion
attenuation
of poles
(dB)
(MHz)
attenuation) (dB) (f
0
-910kHz) (dB)
(dB) (kHz) (dB) (kHz)
45
45
45
45
45
45
2
4
2
4
2
4
3
3
3
3
3
3
±3.75
±3.75
±7.5
±7.5
±15
±15
10
25
18
25
15
35
±12.5
±12.5
±30
±22
±50
±50
1.0
1.0
1.0
1.0
1.0
1.0
2.0
4.0
2.0
4.0
2.0
4.0
65
80
60
80
40
80
Terminating
impedance
(Ω//pF)
200//4
350//6.5 Cc=18
470//6
650//3 Cc=9
1.2k//1.5
800//1.8 Cc=6.5
Operating
Package
temperature range
type
(°C)
–20 to +70
–20 to +70
–20 to +70
–20 to +70
–20 to +70
–20 to +70
D-361-A
D-361-B
D-361-A
D-361-B
D-361-A
D-361-B
*Products with a “4” pole have pairs of two elements.
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Dimensions
D-361-A to B (NR-2D(3)Type)
Connecting mark
MCF
R//C
MCF
R//C
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List of Codes for Placing an Order
mm
Model
45S7.5AA
45S7.5BF
45S15A
45S15BU
Cc
Code for placing an order
45S7.5AA-45M-MN15-210
45S7.5BF-45M-MN15-384
45S15A-45M-MN15-229
45S15BU-45M-MN15-239
45S30AJ-45M-MN15-237
45S30BN-45M-MN15-236
6.9±0.2
4.7max
2.2±0.2
45S30AJ
45S30BN
18.0min
3.75 ±0.2
7.9max
3.2max
0.35±0.05
D-361-B uses pairs of two D-361-A’s
Make sure to use a coupling capacitor
(Cc) for D-361-B as shown in the figure.
(The values of a capacitor (C) and
Cc include stray capacitance.)
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Characteristics
Model : 45S15BU
10
20
30
40
40
50
50
60
60
10
20
Model : 45S30BN
(A)
30
(A)
ATT.(dB)
70
80
90
0
0
(B)
70
ATT.(dB)
(B)
80
90
(A) –40 –30 –20 –10
(B) –1.00 –0.75 –0.50 –0.25
100
10
0.25
20
0.50
30
0.75
40 (kHz)
1.00 (MHz)
(A)
(B)
–80 –60 –40 –20
–1.00 –0.75 –0.50 –0.25
0
0
20
0.25
40
0.50
60
0.75
80 (kHz)
1.00 (MHz)
45MHz
45MHz
cf19_071102_45MCF_e1
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