Crystal Filter
Fundamental 45MHz-Series MCF
Features
n
l Compact and light.
l Structure highly resistant to vibration and shock.
Pb
Free
Specifications
n
Passband
width
Stop
Nominal
Insertion loss
(insertion
Guaranteed
attenuation
Terminating
impedance
(Ω//pF)
2±±//4
35±//6.5 Cc=18
47±//6
65±//3 Cc=9
1.2k//1.5
8±±//1.8 Cc=6.5
Operating
temperature range
(°C)
Number
Ripple
(dB)
Package
type
bandwidth
frequency
Model
of poles
(MHz)
attenuation) (dB) (f±-91±kHz) (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
1± ±12.5
25 ±12.5
1.±
1.±
1.±
1.±
1.±
1.±
2.±
4.±
2.±
4.±
2.±
4.±
65
8±
6±
8±
4±
8±
–2± to +7±
–2± to +7±
–2± to +7±
–2± to +7±
–2± to +7±
–2± to +7±
D-361-A
D-361-B
D-361-A
D-361-B
D-361-A
D-361-B
45S7.5AA
45S7.5BF
45S15A
45S15BU
45S3±AJ
45S3±BN
18
25
15
35
±3±
±22
±5±
±5±
±15
*Products with a “4” pole have pairs of two elements.
Dimensions
n
n List of Codes for Placing an Order
Model
Code for placing an order
45S7.5AA-45M-MN15-21±
45S7.5BF-45M-MN15-384
45S15A-45M-MN15-229
45S15BU-45M-MN15-239
45S3±AJ-45M-MN15-237
45S3±BN-45M-MN15-236
D-361-A to B (NR-2D(3)Type)
mm
45S7.5AA
45S7.5BF
45S15A
45S15BU
45S3±AJ
45S3±BN
Connecting mark
MCF
MCF
2.2±±.2
6.9±±.2
R//C
R//C
Cc
D-361-B uses pairs of two D-361-A’s
Make sure to use a coupling capacitor
±.35±±.±5
(Cc) for D-361-B as shown in the figure.
(The values of a capacitor (C) and
Cc include stray capacitance.)
3.75 ±±.2
7.9max
3.2max
Characteristics
n
Model : 45S15BU
Model : 45S3±BN
1±
2±
1±
2±
3±
4±
5±
6±
(A)
3±
4±
(A)
5±
6±
7±
8±
(B)
7±
8±
(B)
9±
9±
1±±
(A) –8± –6± –4± –2±
±
±
2±
4±
6±
8± (kHz)
(A) –4± –3± –2± –1±
(B) –1.±± –±.75 –±.5±
±
1±
2±
3±
4± (kHz)
–±.2545MHz ±.25
(B) –1.±± –±.75 –±.5±
±.5± ±.75 1.±± (MHz)
±
±.5± ±.75 1.±± (MHz)
–±.2545MHz±.25
cf19_071102_45MCF_e1