45S7.5AA Datasheet, PDF (1/1 Pages) NIHON DEMPA KOGYO – Fundamental 45MHz-Series MCF

Crystal Filter
Fundamental 45MHz-Series MCF
n Features
l Compact and light.
l Structure highly resistant to vibration and shock.
Pb
Free
n Specifications
Model
Nominal
frequency
(MHz)
Number
of poles
Passband
width
(dB) (kHz)
45S7.5AA 45
2
3 ±3.75
45S7.5BF 45
4
3 ±3.75
45S15A
45
2
3 ±7.5
45S15BU
45
4
3 ±7.5
45S30AJ
45
2
3 ±15
45S30BN
45
4
3 ±15
Stop
bandwidth
(dB) (kHz)
10 ±12.5
25 ±12.5
18 ±30
25 ±22
15 ±50
35 ±50
Ripple
(dB)
Insertion loss
(insertion
attenuation) (dB)
Guaranteed
attenuation
(f0-910kHz) (dB)
Terminating
impedance
(Ω//pF)
Operating
temperature range
(°C)
1.0
2.0
65
200//4
–20 to +70
1.0
4.0
80
350//6.5 Cc=18 –20 to +70
1.0
2.0
60
470//6
–20 to +70
1.0
4.0
80
650//3 Cc=9
–20 to +70
1.0
2.0
40
1.2k//1.5
–20 to +70
1.0
4.0
80
800//1.8 Cc=6.5 –20 to +70
Package
type
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.
n Dimensions
n List of Codes for Placing an Order
D-361-A to B (NR-2D(3)Type)
6.9±0.2
2.2±0.2
Connecting mark
MCF
MCF
R//C
Cc
R//C
mm
Model
45S7.5AA
45S7.5BF
45S15A
45S15BU
45S30AJ
45S30BN
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
3.75 ±0.2
7.9max
0.35±0.05
3.2max
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.)
n Characteristics
Model : 45S15BU
10
20
30
(A)
40
50
60
70
(B)
80
90
100
(A) –40 –30 –20 –10 0 10 20 30 40 (kHz)
(B) –1.00 –0.75 –0.50 –0.25 0 0.25 0.50 0.75 1.00 (MHz)
45MHz
Model : 45S30BN
10
20
30
(A)
40
50
60
70
(B)
80
90
(A) –80 –60 –40 –20 0 20 40 60 80 (kHz)
(B) –1.00 –0.75 –0.50 –0.25 0 0.25 0.50 0.75 1.00 (MHz)
45MHz
cf19_071102_45MCF_e1