Crystal Filter
Fundamental 21.4 MHz- and 45 MHz-Series MCF
n
Features
l
Compact and light.
l
Structure highly resistant to vibration and shock.
D-360A to B
D-361A to B
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Specifications
Model
Number of poles
Nominal frequency
3 dB Passband width
Stop bandwidth
Ripple
Insertion loss
(insertion attenuation)
Guaranteed attenuation
Spurious characteristics
Terminating impedance
Operating temperature range
Package type
Ordering code
Model
Number of poles
Nominal frequency
3 dB Passband width
Stop bandwidth
Ripple
Insertion loss
(insertion attenuation)
Guaranteed attenuation
Spurious characteristics
Terminating impedance
Operating temperature range
Package type
Ordering code
21N7.5A
2
21N7.5B
4
21N15A
2
21N15B
4
21N30A
2
21N30B
4
21.4MHz
Min. ±7.5 kHz
Max. ±30 kHz
Max. ±25 kHz
at 18 dB
at 40 dB
Max. 0.5 dB
Max. 1 dB
Max. 2 dB
Min. 30 dB
Within ±1 MHz
Min. 18 dB
Within ±1 MHz
1.6 kΩ // 1.3 pF
–20 to +70 ℃
D-360-A
21N15A-21.4M-
MN15-060
45S15A
2
Max. 2.5 dB
Min. 60 dB
Within ±1 MHz
Min. 40 dB
Within ±1 MHz
1.6 kΩ // 1 pF
Cc = 7 pF
–20 to +70 ℃
D-360-B
21N15B-21.4M-
MN15-055
45S15BU
4
Min. ±3.75 kHz
Max. ±18 kHz
Max. ±14 kHz
at 18 dB
at 40 dB
Max. 0.5 dB
Max. 1 dB
Max. 2 dB
Min. 30 dB
Within ±1 MHz
Min. 18 dB
Within ±1 MHz
850 Ω // 6 pF
–20 to +70 ℃
D-360-A
21N7.5A-21.4M-
MN15-083
45S7.5AA
2
Max. 2.5 dB
Min. 80 dB at –(200 to 1000) kHz
Min. 65 dB at +(350 to 1000) kHz
Min. ±15 kHz
Max. ±50 kHz
Max. ±50 kHz
at 18 dB
at 40 dB
Max. 0.5 dB
Max. 1 dB
Max. 2 dB
Min. 30 dB
Within ±1 MHz
Min. 7 dB
Within ±1 MHz
2.3 kΩ // 1 pF
–20 to +70 ℃
D-360-A
21N30A-21.4M-
MN15-281
45S30AJ
2
Max. 2.5 dB
Min. 60 dB
Within ±1 MHz
Min. 35 dB
Within ±1 MHz
2.3 kΩ // 1 pF
Cc = 3.5 pF
–20 to +70 ℃
D-360-B
21N30B-21.4M-
MN15-091
45S30BN
4
–
850 Ω // 5 pF
Cc = 16 pF
–20 to +70 ℃
D-360-B
21N7.5B-21.4M-
MN15-102
45S7.5BF
4
Min. ±3.75 kHz
Max. ±12.5 kHz
Max. ±12.5 kHz
at 10 dB
at 25 dB
Max. 1 dB
Max. 1 dB
Max. 2 dB
Min. 65dB
at –910 kHz
Min. 20 dB
Within ±1 MHz
200 Ω // 4 pF
–20 to +70 ℃
D-361-A
45S7.5AA-45M-
MN15-210
Max. 4 dB
Min. 80dB
at –910 kHz
Min. 40 dB
Within ±1 MHz
350 Ω // 6.5 pF
Cc = 18 pF
–20 to +70 ℃
D-361-B
45S7.5BF-45M-
MN15-384
45MHz
Min. ±7.5 kHz
Max. ±30 kHz
Max. ±22 kHz
at 18 dB
at 25 dB
Max. 1 dB
Max. 1 dB
Max. 2 dB
Min. 60 dB at – (900 to 910) kHz
Min. 40 dB at +(300 to 1000) kHz
Min. ±15 kHz
Max. ±50 kHz
Max. ±50 kHz
at 15 dB
at 35 dB
Max. 1 dB
Max. 1 dB
Max. 2 dB
Min. 40 dB
at –910 kHz
Min. 5 dB
Within ±1 MHz
1.2 kΩ // 1.5 pF
–20 to +70 ℃
D-361-A
45S30AJ-45M-
MN15-237
Max. 4 dB
Min. 80 dB
at –910 kHz
Min. 20 dB
Within ±1 MHz
800 Ω // 1.8 pF
Cc = 6.5 pF
–20 to +70 ℃
D-361-B
45S30BN-45M-
MN15-236
Max. 4 dB
Min. 80 dB
at –910 kHz
Min. 40 dB
Within ±1 MHz
650 Ω // 3 pF
Cc = 9 pF
–20 to +70 ℃
D-361-B
45S15BU-45M-
MN15-239
–
470 Ω // 6 pF
–20 to +70 ℃
D-361-A
45S15A-45M-
MN15-229
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Dimensions
D-360-A to B (NR-2B(3)Type)
3.2
max
2.2±0.2
8.0max
D-361-A to B (NR-2D(3)Type)
2.2±0.2
18.0min 4.7max
mm
Connecting mark
MCF
R//C
MCF
R//C
7.9max
6.9±0.2
3−φ0.35
3.75±0.2
20.0min
Cc
3.75±0.2
0.35±0.05
3.2max
7.9max
0.35±0.05
3.2max
When D-360-B and D-361-B are used,
please use a coupling capacitance.
(Cc includes stray capacitance.)
D-360-B uses pairs of D-360-A.
D-361-B uses pairs of D-361-A.
cf18_090904_45MCF_e
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