Home About Mercury Crystals Oscillators Filters Distribution Contact Quality News

Established 1973

Freq.

Model

No. of Poles

Pass
Bandwidth

Stop
Bandwidth

Ripple

Insertion
Loss

Guaranteed
Attenuation

Terminating
Impedance

(MHz)

dB

kHz
(min.)

dB

kHz
(max.)

dB
(max.)

dB
(max.)

dB

kHz

Ohms//pF

Cc(pF)

21.400

21MQ7.5A

2

3

±3.75

20

±18

1.0

2.0

70

-910

850//6.0


21MQ15A

2

3

±7.5

18

±25

0.5

1.5

70

-910

1500//2.5


21MQ15B

4

3

±7.5

40

±25

1.0

3.0

70

-910

1800//0.35

5.0

21MQ30A

2

3

±15

15

±50

1.5

2.0

60

-910

2500//0


21.700

21.7MQ15A

2

3

±7.5

18

±28

1.0

2.0

70

-910

1600//2.5


21.7MQ15B

4

3

±7.5

40

±25

1.0

3.0

70

-910

1750//0.35

5.0

21.7MQ30A

2

3

±15

15

±50

1.5

2.0

50

-910

2500//0


45.000

45MQ15A

2

3

±7.5

15

±25

1.0

2.0

70

-910

560//6.0


45MQ15B

4

3

±7.5

30

±25

1.0

3.0

80

-910

600//2.3

7.5

45MQ30A

2

3

±15

15

±60

1.0

2.0

70

-910

1200//1.8


45MQ30B

4

3

±15

30

±40

1.0

3.0

70

-910

1200//1.0

2.5

MONOLITHIC CRYSTAL FILTERS

49T FILTERS (11.5 x 4.5 x 11.2mm)

Channel
Spacing

Model

No.
of Poles

Pass
Bandwidth

Stop
Bandwidth

Ripple

Insertion
Loss

Guaranteed
Attenuation

Term.
Imp.

Package

(kHz)

dB

kHz
(min.)

dB

kHz
(max.)

dB
(max.)

dB
(max.)

dB

kHz

Ω//pF

12.5

10M7.5A

2

3

±3.75

20

±18

0.5

1.5

35

±300~±1000

1.8k//5.0

49T

10M7.5B

4

3

±3.75

40

±14

1.0

2.5

65

±300~±1000

1.8k//4.5

49T pair

10M7.5C

6

3

±3.75

45

±8.75

2.0

3.5

65

±12.5~±300

1.8k//3.5

49T x3 or L1

10M7.5D

8

3

±3.75

65

±8.75

2.0

4.0

90

±12.5~±300

1.8k//3.5

49T x4 or L2

20.0

10M12A

2

3

±6.0

18

±25

0.5

2.0

35

±300~±1000

2.5k//2.5

49T

10M12B

4

3

±6.0

40

±20

1.0

2.5

65

±300~±1000

2.5k//1.5

49T pair

10M12C

6

3

±6.0

45

±15

2.0

4.0

65

±20~±300

2.5k//1.5

49T x3 or L1

10M12D

8

3

±6.0

65

±15

2.0

2.0

90

±20~±300

2.5k//1.5

49T x4 or L2

25.00

10M15A

2

3

±7.5

18

±25

0.5

1.5

35

±300~±1000

3.0k//2.0

49T

10M15B

4

3

±7.5

40

±25

1.0

2.5

55

±300~±1000

3.0k//1.5

49T pair

10M15C

2

3

±7.5

45

±18

2.0

3.0

65

±25~±300

3.3k//1.5

49T x3 or L1

10M15D

4

3

±7.5

65

±18

2.0

4.0

90

±25~±300

3.3k//1.5

49T x4 or L2

50.00

10M30A

2

3

±15

15

±50

0.5

1.5

30

±300~±1000

5.0k//0

49T

10M30B

4

3

±15

30

±40

1.0

2.5

30

±300~±1000

5.5k//-1.0

49T pair

10M30C

6

3

±15

60

±45

2.0

3.0

65

±45~±300

5.5k//-1.0

49T x3 or L1

10M30D

8

3

±15

60

±30

2.0

3.5

90

±50~±300

5.5k//-1.0

49T x4 or L2

MQ TYPE SMD FILTERS (7 x 5 x 1.3mm)

U1 and U5 FILTERS (U1= 7.8 x 3.1 x 8.0mm, U5= 7.8 x 3.1 x 6.0mm)

Channel
Spacing

Model

No.
of Poles

Pass
Bandwidth

Stop
Bandwidth

Ripple

Insertion
Loss

Guaranteed
Attenuation

Term.
Imp.

Package

(kHz)

dB

kHz
(min.)

dB

kHz
(max.)

dB
(max.)

dB
(max.)

dB

kHz

Ω//pF

12.5

21M7.5A

2

3

±3.75

20

±18

0.5

1.5

35

±300~±1000

850//6.0

U1, U5

21M7.5B

4

3

±3.75

40

±15

1.0

2.5

65

±300~±1000

850//5.0

U1,U5 pair

21M7.5C

6

3

±3.75

45

±8.75

2.0

3.5

65

±12.5~±300

850//5.0

S1 x 3

21M7.5D

8

3

±3.75

65

±8.75

2.0

4.0

90

±12.5~±300

850//5.0

S2 x 4

20.0

21M12A

2

3

±6.0

18

±25

0.5

2.0

35

±300~±1000

1.2k//3.0

U1, U5

21M12B

4

3

±6.0

40

±20

1.0

2.5

65

±300~±1000

1.2k//2.5

U1,U5 pair

21M12C

6

3

±6.0

45

±15

2.0

4.0

65

±20~±300

1.2k//2.5

S1 x 3

21M12D

8

3

±6.0

65

±15

2.0

2.0

90

±20~±300

1.2k//2.5

S2 x 4

25.00

21M15A

2

3

±7.5

18

±25

0.5

1.5

35

±300~±1000

1.5k//2.0

U1, U5

21M15B

4

3

±7.5

40

±25

1.0

2.5

55

±300~±1000

1.5k//2.0

U1,U5 pair

21M15C

2

3

±7.5

45

±18

2.0

3.0

65

±25~±300

1.5k//2.0

S1 x 3

21M15D

4

3

±7.5

65

±18

2.0

4.0

90

±25~±300

1.5k//2.0

S2 x 4

50.00

21M30A

2

3

±15

15

±50

0.5

1.5

30

±300~±1000

1.5k//1.0

U1, U5

21M30B

4

3

±15

40

±40

1.0

2.5

30

±300~±1000

2.2k//0.5

U1,U5 pair

21M30C

6

3

±15

45

±45

2.0

3.0

65

±45~±300

2.2k//0.5

S1 x 3

21M30D

8

3

±15

60

±30

2.0

3.5

90

±50~±300

2.2k//0.5

S2 x 4

Standard Frequency 21.4MHz Standard Frequency 10.7MHz Standard Frequencies 21.4MHz or 45.0MHz

Freq.

Model

No. of Poles

Pass
Bandwidth

Stop
Bandwidth

Ripple

Insertion
Loss

Guaranteed
Attenuation

Term.
Imp.

Pack.

(MHz)

dB

kHz
(min.)

dB

kHz
(max.)

dB
(max.)

dB
(max.)

dB

kHz

Ohms//pF

12.50

45M7.5A

2

3

±3.75

10

±12.5

1.0

2.0

65

±300~±1000

200//4.0

U5/U1

45M7.5B

4

3

±3.75

30

±12.5

1.0

4.0

80

±300~±1000

300//6.5

U5/U1 pair

25.00

45M15A

2

3

±7.5

15

±25

1.0

2.0

35

±300~±1000

650//3.0

U5/U1

45M15B

4

3

±4.5

30

±25

1.0

3.0

80

±300~±1000

650//3.0

U5/U1 pair

50.00

45M30A

2

3

±15

15

±60

1.5

2.5

35

±300~±1000

1.2k//0

U5/U1

45M30B

4

3

±15

30

±50

1.0

3.0

80

±300~±1000

1.2k//0.7

U5/U1 pair

THROUGH-HOLE TYPE FILTERS

Standard Frequency 45.0MHz