Crystal Filter

Fundamental 45MHz-Series MCF

cf19_071102_45MCF_e1

mm

*Products with a “4” pole have pairs of two elements.

D-361-A to B (NR-2D(3)Type)

D-361-B uses pairs of two D-361-A’s

3.75

6.9±0.2

7.9max

3.2max

2.2±0.2

0.35±0.05

±0.2

R//C

R//C

Cc

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.)

Connecting mark

MCF

MCF

Model : 45S15BU

0

10

20

30

40

(kHz)

(A)

–10

–20

–30

–40

0

45MHz

0.25

0.50

0.75

1.00 (MHz)

(B)

–0.25

–0.50

–0.75

–1.00

90

100

80

70

(B)

(A)

60

50

40

30

20

10

Model : 45S30BN

90

0

20

40

60

80 (kHz)

(A)

–20

–40

–60

–80

0

45MHz

0.25

0.50

0.75

1.00 (MHz)

(B)

–0.25

–0.50

–0.75

–1.00

80

70

(B)

(A)

60

50

40

30

20

10

Pb

Free

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

l Compact and light.

l Structure highly resistant to vibration and shock.

Model

45S7.5AA

45S7.5BF

45S15A

45S15BU

45S30AJ

45S30BN

Nominal

frequency

(MHz)

45

45

45

45

45

45

Number

of poles

2

4

2

4

2

4

Ripple

(dB)

1.0

1.0

1.0

1.0

1.0

1.0

Insertion loss

(insertion

attenuation) (dB)

2.0

4.0

2.0

4.0

2.0

4.0

Guaranteed

attenuation

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

Package

type

D-361-A

D-361-B

D-361-A

D-361-B

D-361-A

D-361-B

Passband

width

Stop

bandwidth

(dB)

3

3

3

3

3

3

(kHz)

±3.75

±3.75

±7.5

±7.5

±15

±15

(dB)

10

25

18

25

15

35

(kHz)

±12.5

±12.5

±30

±22

±50

±50

Operating

temperature range

(°C)

–20 to +70

–20 to +70

–20 to +70

–20 to +70

–20 to +70

–20 to +70