21SC15BB NDK | Alldatasheet
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Technical content
1703B_NM1170BA_e
4 Pole MCF (Built-in coupling capacitor) (Surface-mount Type)
This four-pole crystal filter with a built-in coupling capacitor also supports surface mounting.
- Supports surface mounting. (Packed with embossed tape)
- Built-in coupling capacitor.
- Excellent shock-resistance.
- Frequency range Fundamental: 20 to 90 MHz ■ Features Model 21SC15BB 45SC7.5BG 45SC15BE 45SC20BB 45SC30BD 70SC20BA 90SC15B Number of Poles 4 Nominal Frequency 21.4MHz 45 MHz 70.05 MHz 90 MHz Stop Bandwidth Max. ±25 kHz at 40 dB Max. ±12.5 kHz at 25 dB Max. ±25 kHz at 35 dB Max. ±25 kHz at 25 dB Max. ±60 kHz at 40 dB Max. ±25 kHz at 20 dB Max. ±25 kHz at 25 dB Insertion Attenuation Guaranteed Attenuation Min. 80 dB at –910 kHz Min. 80 dB at –910 kHz Min. 80 dB at –910 kHz Min. 80 dB at –910 kHz Min. 70 dB at –910 kHz Min. 70 dB at –910 kHz Min. 75 dB at –910 kHz Spurious Characteristics Min. 40 dB Within ±1 MHz Min. 50 dB Within ±1 MHz Min. 50 dB Within ±1 MHz Min. 25 dB Within ±1 MHz Min. 30 dB Within ±1 MHz Min. 35 dB Within ±1 MHz Min. 40 dB Within ±1 MHz Terminating Impedance 1500 Ω // 1.5 pF 350 Ω // 6 pF 650 Ω // 2 pF 800 Ω // 1.5 pF 1000 Ω // 1 pF 300 Ω // 2 pF 310 Ω // 2 pF Operating Temperature Range –20 to +70 °C –20 to +70 °C –20 to +70 °C –30 to +70 °C –20 to +70 °C –20 to +70 °C –20 to +70 °C Specification Number MN15-395 MN15-368 MN15-319 MN15-372 MN15-371 MN15-317 MN15-320 Caution: Solder only the top surface of the filter before using it. ■ Specifications mmNM1 170BA : Type: with a built-in coupling capacito r 1.3 10.2 1.3 1.8 1.8 3.5 5.8 Land pattern (T ypical ) 9.0 1.2 11 .4 7.0 2.35 GND GND OUTPUT GND GND INPUT Terminal land connection s Tolerance ±0.3 ■ Dimensions Please specify the model name, frequency, and specification number when you order products. For further questions regarding specifications, please feel free to contact us.