Crystal Filter

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

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.

mm

NM1170BA : Type: with a built-in coupling capacitor

1.3

10.2

1.8

Land pattern (Typical)

1

6

2

3

4

5

9.0

1.2

11.4

6

1

2

4

3

5

1

2

3

4

5

6

GND

GND

OUTPUT

GND

GND

INPUT

Terminal land connections

Tolerance ±0.3

Please specify the model name, frequency, and specification number when you order products.

For further questions regarding specifications, please feel free to contact us.