NDK CRYSTAL FILTERS

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.