Monolithic Crystal Filters

• Surface Mount Crystal Filters
• Thru-Hole Crystal Filters

MCF (MONOLITHIC CRYSTAL FILTER) features high quality quartz resonators such as sharp cutoff characteristics, low loss, good inter-modulation and high stability over wide temperature range.

Monolithic Crystal Filter Selection Guide: (229 KB)

To order please specify the "model" shown.


MCF Surface Mount 21.4, 21.7, and 45 MHz

Nominal
Frequency
(MHz)		 Model Photo No.
of
poles		 Pass
Band
Width		 Stop
Band
Width		 Guaranteed
Attenuation		 Ripple Insertion
Loss		 Terminating
Impedance
(ohm // pF)
dB kHz dB kHz dB kHz dB max dB max
21.4
21MQ7.5A 2 3 ± 3.75 20 ± 18 70 -910 1.0 2.0 850 // 6.0
21MQ15A 2 3 ± 7.5 18 ± 25 70 -910 0.5 1.5 1.5K // 2.5
21.7 217MQ15A 2 3 ± 7.5 18 ± 28 70 -910 1.0 2.0 1.5K // 2.0
45 45MQ15A 2 3 ± 7.5 15 ± 25 70 -910 1.0 2.0 560 // 6.0
45MQ30A 2 3 ± 15 15 ± 60 70 -910 1.0 2.0 1.2K // 1.8


MCF Thru-Hole

10.7 MHz Family

Channel
Spacing
(kHz) 		Model No.
of
Poles 		Pass Band
Width(min.) 		Stop Band Width(max.) Ripple Insertion Loss Guaranteed Attenuation Terminating Impedance (ohms // pF) Package
dB kHz dB kHz dB kHz dB max dB max dB ( fo ± kHz)
12.5 10M07A 2 3 ±3.75 20 ±18 - - 0.5 1.5 35 +300 to +100050 -200 to -1000 1.8K // 5.0 HC49T
10M07B 4 3 ±3.75 40 ±14 - - 1.0 2.5 65 +300 to +100080 -200 to -1000 1.8K // 4.5Zc: 11.0 pF HC49Tx2
(a pair)
10M07C 6 3 ±3.75 45 ±8.75 65 ±12.5 2.0 3.5 65 12.5 to 300 1.8K // 3.5 L-1
10M07D 8 3 ±3.75 65 ±8.75 90 ±12.5 2.0 4.0 90 12.5 to 300 1.8K // 3.5 L-2
20 10M09A 2 3 ±6.0 18 ±23 - - 0.5 2.0 35 +300 to +1000
40 -200 to -1000 		2.5K // 2.5 HC49T
10M09B 4 3 ±6.0 40 ±20 - - 1.0 2.5 65 +300 to +1000
80 -200 to -1000 		2.5K // 1.5
Zc: 6.0 pF 		HC49Tx2
(a pair)
10M09C 6 3 ±6.0 45 ±14 60 ±20 2.0 3.0 65 20 to 300 2.8K // 1.0 L-1
10M09D 8 3 ±6.0 65 ±14 90 ±20 2.0 4.0 90 20 to 300 2.8K // 1.0 L-2
25 10M15A 2 3 ±7.5 18 ±25 - - 0.5 2.0 35 +300 to +1000
40 -200 to -1000 		3.0K // 2.0 HC49T
10M15B 4 3 ±7.5 40 ±25 - - 1.0 2.5 55 +300 to +1000
80 -200 to -1000 		3.0K // 2.0
Zc: 5.0 pF 		HC49Tx2
(a pair)
10M15C 6 3 ±7.5 45 ±17.5 65 ±25 2.0 3.0 65 25 to 300 3.0K // 1.5 L-1
10M15D 8 3 ±7.5 70 ±17.5 90 ±25 2.0 4.0 90 25 to 300 3.0K // 1.5 L-2
10M15E 10 3 ±7.5 75 ±15 90 ±20 2.0 4.5 90 20 to 300 3.0K // 1.5 L-3
50 10M30A 2 3 ±15 15 ±50 - - 0.5 1.5 30 +300 to +1000
40 -300 to -1000 		5.0K // 0 HC49T
10M30B 4 3 ±15 30 ±40 - - 1.0 2.5 30 40 to 300 5.5K // -1.0
Zc: 0.5 pF 		HC49Tx2
(a pair)
10M30C 6 3 ±15 60 ±45 - - 2.0 3.0 60 45 to 300 5.5K // -1.0 L-1
10M30D 8 3 ±15 60 ±30 80 ±40 2.0 3.5 90 50 to 300 5.5K // -1.0 L-2

If SMD bent lead package required please add MJ at the end of the part number. For example: 10M07AU1-MJ
Zc: Coupling capacitance including stray capacitances

21.4 MHz Family
Channel
Spacing
(kHz) 		Model No.
of
Poles 		Pass Band
Width(min.) 		Stop Band Width(max.) Ripple Insertion Loss Guaranteed Attenuation Terminating Impedance (ohms // pF) Package
dB kHz dB kHz dB kHz dB max dB max dB ( fo ± kHz)
12.5 21M07AU1 2 3 ±3.75 20 ±18 - - 0.5 1.5 35 +350 to +100050 -200 to -1000 850 // 6 UM-1
21M07BU1 4 3 ±3.75 40 ±40 - - 1.0 2.0 65 +350 to +100080 -200 to -1000 850 // 5
Zc: 16 pF		 UM-1 x2
(a pair)
21M07AU5 2 3 ±3.75 20 ±18 - - 0.5 1.5 35 +350 to +100050 -200 to -1000 850 // 6 UM-5
21M07BU5 4 3 ±3.75 40 ±40 - - 1.0 2.0 65 +350 to +100080 -200 to -1000 850 // 5
Zc: 16 pF		 UM-5 x2
(a pair)
21M07C 6 3 ±3.75 45 ±8.75 65 ±12.5 2.0 3.0 65 +12.5 to +300 850 // 5 S-1
21M07D 8 3 ±3.75 65 ±9 90 ±12.5 2.0 4.0 90 +12.5 to +300 850 // 5 S-1
21M07E 10 3 ±3.75 75 ±8.75 90 ±10.5 2.0 4.5 90 +12.5 to +300 850 // 5 S-2
20 21M12AU1 2 3 ±6 20 ±25 - - 0.5 1.5 35 +350 to +1000
50 -200 to -1000		 1.2K // 3.0 UM-1
21M12BU1 4 3 ±6 40 ±20 - - 1.0 2.0 65 +350 to +1000
80 -200 to -1000		 1.2K // 2.5
Zc: 10.5 pF		 UM-1
(a pair)
21M12AU5 2 3 ±6 20 ±25 - - 0.5 1.5 35 +350 to +1000
50 -200 to -1000		 1.2K // 3.0 UM-5
21M12BU5 4 3 ±6 40 ±20 - - 1.0 2.0 65 +350 to +1000
80 -200 to -1000		 1.2K // 2.5
Zc: 10.5 pF		 UM-5
(a pair)
21M12C 6 3 ±6 45 ±14 65 ±20 2.0 3.0 65 +20 to +300 1.2K // 2.5 S-1
21M12D 8 3 ±6 65 ±14 90 ±20 2.0 4.0 90 +20 to +300 1.2K // 2.5 S-1
25 21M15AU1 2 3 ±7.5 18 ±25 - - 0.5 1.5 35 +350 ~ +1000
50 -200 ~ -1000		 1.5K // 2.5 UM-1
21M15BU1 4 3 ±7.5 40 ±25 - - 1.0 2.0 65 +350 to +1000
80 -200 to -1000		 1.5K // 2.0
Zc: 8 pF		 UM-1
(a pair)
21M15AU5 2 3 ±7.5 18 ±25 - - 0.5 1.5 35 +350 ~ +1000
50 -200 ~ -1000		 1.5K // 2.5 UM-5
21M15BU5 4 3 ±7.5 40 ±25 - - 1.0 2.0 65 +350 to +1000
80 -200 to -1000		 1.5K // 2.0
Zc: 8 pF		 UM-5
(a pair)
21M15C 6 3 ±7.5 45 ±17.5 65 ±25 2.0 2.5 65 +25 to +300 1.5K // 2.0 S-1
21M15D 8 3 ±7.5 65 ±17.5 90 ±25 2.0 3.0 90 +25 to +300 1.5K // 2.0 S-1
21M15E 10 3 ±7.5 75 ±17.5 90 ±20 2.0 4.0 90 +18 to +300 1.5K // 2.0 S-2
50 21M30AU1 2 3 ±15 15 ±45 - - 0.5 1.5 35 +300 to +1000
45 -300 to -1000		 1.5K // 1.0 UM-1
21M30BU1 4 3 ±15 40 ±50 - - 1.0 2.0 65 +350 to +1000
80 -250 to -1000		 2.0K // 0.5
Zc: 3 pF		 UM-1
(a pair)
21M30AU5 2 3 ±15 15 ±45 - - 0.5 1.5 35 +300 to +1000
45 -300 to -1000		 1.5K // 1.0 UM-5
21M30BU5 4 3 ±15 40 ±50 - - 1.0 2.0 65 +350 to +1000
80 -250 to -1000		 2.0K // 0.5
Zc: 3 pF		 UM-5
(a pair)
21M30C 6 3 ±15 45 ±35 65 ±50 2.0 2.5 65 +50 to +300 2.2K // 0.5 S-1
21M30D 8 3 ±15 70 ±35 90 ±50 2.0 3.5 90 +50 to +1000 2.2K // 0.5 S-1

If SMD bent lead package required please add MJ at the end of the part number.
For example: 21M07AU1-MJ
Zc: Coupling capacitance including stray capacitances
45 MHz Fundamental Mode Family

Channel
Spacing
(kHz) 		Model No.
of
Poles 		Pass Band
Width(min.) 		Stop Band Width (max.) Ripple Insertion Loss Guaranteed Attenuation Terminating Impedance (ohms // pF) Package
dB kHz dB kHz dB max dB max dB ( fo ± kHz)
12.5 45M7.5AU1 2 3 ±3.75 10 ±12.5 1.0 2.0 65 -910 200 // 4 UM-1
45M7.5BU1 4 3 ±3.75 30 ±12.5 1.0 4.0 90 ±900 ~ ±1000 350 // 6.5
Zc: 18 pF		 UM-1x2
(a pair)
25 45M15AU1 2 3 ±7.5 15 ±25 1.0 2.0 35 +900 ~ +1000
65 -900 ~ -1000		 650 // 3.0 UM-1
45M15BU1 4 3 ±7.5 30 ±25 1.0 3.0 90 ±900 ~ ± 1000 650 // 3.0
Zc: 9 pF		 UM-1x2
(a pair)
50 45M30AU1 2 3 ±15 15 ±60 1.5 2.5 35 +900 ~ +1000
65 -900 ~ -1000		 1200 // 0 UM-1
45M30BU1 4 3 ±15 30 ±50 1.0 3.0 80 ±900 ~ ±1000 1200 // 0.7
Zc: 3.5 pF		 UM-1x2
(a pair)
12.5 45M7.5AU5 2 3 ±3.75 10 ±12.5 1.0 2.0 65 -910 200 // 4 UM-5
45M7.5BU5 4 3 ±3.75 30 ±12.5 1.0 4.0 90 ±900 ~ ±1000 350 // 6.5
Zc: 18 pF		 UM-5x2
(a pair)
25 45M15AU5 2 3 ±7.5 15 ±25 1.0 2.0 35 900 ~ +1000
65 -900 ~ -1000		 650 // 3.0 UM-5
45M15BU5 4 3 ±7.5 30 ±25 1.0 3.0 90 ±900 ~ ± 1000 650 // 3.0
Zc: 9 pF		 UM-5x2
(a pair)
50 45M30AU5 2 3 ±15 15 ±60 1.5 2.5 35 +900 ~ +1000
65 -900 ~ -1000		 1200 // 0 UM-5
45M30BU5 4 3 ±15 30 ±50 1.0 3.0 80 ±900 ~ ±1000 1200 // 0.7
Zc: 3.5 pF		 UM-5x2
(a pair)

If SMD bent lead package required please add "MJ" at the end of the part number.
For example: 45M7.5AU1-MJ
45 MHz 3rd Overtone Mode Family

Channel
Spacing
(kHz) 		Model No.
of
Poles 		Pass Band
Width(min.) 		Stop Band Width (max.) Ripple Insertion Loss Guaranteed Attenuation Terminating Impedance (ohms // pF) Package
dB kHz dB kHz dB max dB max dB ( fo ± kHz)
12.5 T45M7.5AU1 2 3 ±3.75 10 ±12.5 1.0 2.0 35 ±910 2000 // -0.4 UM-1
T45M7.5BU1 4 3 ±3.75 30 ±12.5 1.0 4.0 75 ±910 3000 // -0.3
Zc: 0 pF		 UM-1x2
(a pair)
25 T45M15AU1 2 3 ±7.5 15 ±25 1.0 2.0 35 ±910 4000 // -0.7 UM-1
T45M15BU1 4 3 ±7.5 30 ±25 1.0 4.0 75 ±910 4000 // -0.8
Zc: -1.0 pF		 UM-1x2
(a pair)
12.5 T45M7.5AU5 2 3 ±3.75 10 ±12.5 1.0 2.0 35 ±910 2000 // -0.4 UM-5
T45M7.5BU5 4 3 ±3.75 30 ±12.5 1.0 4.0 75 ±910 3000 // -0.3
Zc: 0 pF		 UM-5x2
(a pair)
25 T45M15AU5 2 3 ±7.5 15 ±25 1.0 2.0 35 ±910 4000 // -0.7 UM-5
T45M15BU5 4 3 ±7.5 30 ±25 1.0 4.0 75 ±910 4000 // -0.8
Zc: -1.0 pF		 UM-5x2
(a pair)

If SMD bent lead package required please add MJ at the end of the part number. For example: T45M7.5AU1-MJ Zc: Coupling capacitance including stray capacitances.