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.