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Crystal Filter
4 Pole MCF (Built-in coupling capacitor)
(Surface-mount Type)
■ Features
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
■ Specifications
| Model | 21SC15BB | 45SC7.5BG | 45SC15BE | 45SC20BB | 45SC30BD | 70SC20BA | 90SC15B |
| Number of Poles | 4 | ||||||
| Nominal Frequency | 21.4MHz | 45 MHz | 70.05 MHz | 90 MHz | |||
| 3 dB Passband Width | Min. ±7.5 kHz | Min. ±3.75 kHz | Min. ±7.5 kHz | Min. ±10 kHz | Min. ±15 kHz | Min. ±10 kHz | Min. ±7.5 kHz |
| 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 |
| Ripple | Max. 1.5 dB | Max. 1 dB | Max. 2 dB | Max. 1 dB | Max. 1 dB | Max. 1 dB | Max. 1 dB |
| Insertion Attenuation (insertion Loss) | Max. 3 dB | Max. 5 dB | Max. 5 dB | Max. 3 dB | Max. 4 dB | Max. 4.5 dB | Max. 8 dB |
| 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 |
| Package Type | NM1170BA | ||||||
| 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.
■ 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.
1703B_NM1170BA_e