NDK Crystal Filter can take out only a necessary frequency ingredient and attenuate an unnecessary frequency ingredient.
2Pole MCF
Model |
Nominal Freq. (MHz) |
Package Size (mm) |
3dB Passband Width - (kHz) Min. |
Stop Bandwidth |
Insertion Attenuation (dB) Max. |
Terminating Impedance R (Ω) |
Terminating Impedance C (pF) |
21E7.5AD |
21.4 |
7.0 x 5.0 x 1.35 |
±3.75 |
±12.5 (kHz) - 15(dB) |
2 |
1500 (Ω) |
5 (pF) |
21E15AB |
21.4 |
7.0 x 5.0 x 1.35 |
±7.5 |
±25 (kHz) - 15(dB) |
1.5 |
1500 (Ω) |
1 (pF) |
21E30AD |
21.4 |
7.0 x 5.0 x 1.35 |
±15 |
±50 (kHz) - 15(dB) |
1.5 |
2500 (Ω)
|
1.2 (pF) |
21E7.5A |
21.7 |
7.0 x 5.0 x 1.35 |
±3.75 |
±12.5 (kHz) - 15(dB) |
2 |
850 (Ω)
|
6 (pF) |
21E15AA |
21.7 |
7.0 x 5.0 x 1.35 |
±7.5 |
±25 (kHz) - 15(dB) |
1.5 |
1500 (Ω)
|
1 (pF) |
21E30AF |
21.7 |
7.0 x 5.0 x 1.35 |
±15 |
±50 (kHz) - 15(dB) |
1.5 |
2000 (Ω)
|
1.2 (pF) |
45E7.5AB |
45 |
7.0 x 5.0 x 1.35 |
±3.75 |
±25 (kHz) - 15(dB) |
2 |
200 (Ω)
|
4 (pF) |
45E15A |
45 |
7.0 x 5.0 x 1.35 |
±7.5 |
±25 (kHz) - 15(dB) |
3 |
1000 (Ω)
|
4 (pF) |
45E30AN |
45 |
7.0 x 5.0 x 1.35 |
±15 |
±60 (kHz) - 15(dB) |
2 |
650 (Ω)
|
1.5 (pF) |
90E9A |
90 |
7.0 x 5.0 x 1.35 |
±4 |
±50 (kHz) - 15(dB) |
5 |
200 (Ω)
|
8 (pF) |
4Pole MCF
Model |
Nominal Freq. (MHz) |
Package Size (mm) |
3dB Passband Width - (kHz) Min. |
Stop Bandwidth |
Insertion Attenuation (dB) Max. |
Terminating Impedance R (Ω) |
Terminating Impedance C (pF) |
Terminating Impedance Cc (pF) |
45EE7.5A |
45 |
7.0 x 5.0 x 1.35 |
±3.75 |
±12.5 (kHz) - 20(dB) |
4 |
570 (Ω) |
2.9 (pF) |
11.2 (pF) |
45EE15AA |
45 |
7.0 x 5.0 x 1.35 |
±7.5 |
±22 (kHz) - 25(dB) |
3 |
600 (Ω) |
2.0 (pF) |
10.0 (pF) |
73EE15AA |
73.35 |
7.0 x 5.0 x 1.35 |
±15 |
±25 (kHz) - 30(dB) |
5 |
500 (Ω)
|
3.5 (pF) |
7.0 (pF) |
4Pole MCF (Built-in coupling capacitor)
Model |
Nominal Freq. (MHz) |
Package Size (mm) |
3dB Passband Width - (kHz) Min. |
Stop Bandwidth |
Insertion Attenuation (dB) Max. |
Terminating Impedance R (Ω) |
Terminating Impedance C (pF) |
21SC15BB |
21.4 |
11.4 x 7.0 x 2.35 |
±7.5 |
±25 (kHz) - 40(dB) |
3 |
1500 (Ω) |
1.2 (pF) |
45SC7.5BG |
45 |
11.4 x 7.0 x 2.35 |
±3.75 |
±12.5 (kHz) - 25(dB) |
5 |
350 (Ω) |
6 (pF) |
45SC15BE |
45 |
11.4 x 7.0 x 2.35 |
±7.5 |
±25 (kHz) - 35(dB) |
5 |
650 (Ω)
|
2 (pF) |
45SC20BB |
45 |
11.4 x 7.0 x 2.35 |
±10 |
±25 (kHz) - 25(dB) |
3 |
800 (Ω)
|
1.2 (pF) |
45SC30BD |
45 |
11.4 x 7.0 x 2.35 |
±15 |
±60 (kHz) - 40(dB) |
4 |
1000 (Ω)
|
1 (pF) |
70SC20BA |
70.05 |
11.4 x 7.0 x 2.35 |
±10 |
±25 (kHz) - 20(dB) |
4.5 |
300 (Ω)
|
2 (pF) |
90SC15B |
90 |
11.4 x 7.0 x 2.35 |
±7.5 |
±25 (kHz) - 25(dB) |
8 |
310 (Ω)
|
2 (pF) |
To discuss the NDK Crystal range further please email our sales team or call +44 (0)1264 731009.