21SC15BB Datasheet, PDF (1/1 Pages) NIHON DEMPA KOGYO – 4 Pole MCF (Built-in coupling capacitor)

Crystal Filter
4 Pole MCF (Built-in coupling capacitor)
■ 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
(Surface-mount Type)
■ Specifications
Model
21SC15BB 45SC7.5BG 45SC15BE 45SC20BB
Number of Poles
4
Nominal Frequency
21.4MHz
45 MHz
3 dB Passband Width
Stop Bandwidth
Ripple
Insertion Attenuation
(insertion Loss)
Guaranteed
Attenuation
Spurious
Characteristics
Terminating Impedance
Min. ±7.5 kHz
Max. ±25 kHz
at 40 dB
Max. 1.5 dB
Min. ±3.75 kHz
Max. ±12.5 kHz
at 25 dB
Max. 1 dB
Max. 3 dB
Min. 80 dB
at –910 kHz
Min. 40 dB
Within ±1 MHz
1500 Ω // 1.5 pF
Max. 5 dB
Min. 80 dB
at –910 kHz
Min. 50 dB
Within ±1 MHz
350 Ω // 6 pF
Min. ±7.5 kHz
Max. ±25 kHz
at 35 dB
Max. 2 dB
Max. 5 dB
Min. 80 dB
at –910 kHz
Min. 50 dB
Within ±1 MHz
650 Ω // 2 pF
Min. ±10 kHz
Max. ±25 kHz
at 25 dB
Max. 1 dB
Max. 3 dB
Min. 80 dB
at –910 kHz
Min. 25 dB
Within ±1 MHz
800 Ω // 1.5 pF
Operating Temperature Range –20 to +70 °C –20 to +70 °C –20 to +70 °C –30 to +70 °C
Package Type
NM1170BA
Specification Number
MN15-395
MN15-368
MN15-319
MN15-372
Caution: Solder only the top surface of the filter before using it.
45SC30BD
Min. ±15 kHz
Max. ±60 kHz
at 40 dB
Max. 1 dB
Max. 4 dB
Min. 70 dB
at –910 kHz
Min. 30 dB
Within ±1 MHz
1000 Ω // 1 pF
–20 to +70 °C
MN15-371
70SC20BA
70.05 MHz
Min. ±10 kHz
Max. ±25 kHz
at 20 dB
Max. 1 dB
Max. 4.5 dB
Min. 70 dB
at –910 kHz
Min. 35 dB
Within ±1 MHz
300 Ω // 2 pF
–20 to +70 °C
MN15-317
90SC15B
90 MHz
Min. ±7.5 kHz
Max. ±25 kHz
at 25 dB
Max. 1 dB
Max. 8 dB
Min. 75 dB
at –910 kHz
Min. 40 dB
Within ±1 MHz
310 Ω // 2 pF
–20 to +70 °C
MN15-320
■ Dimensions
NM1170BA : Type: with a built-in coupling capacitor
11.4
5
6
4
1
3
2
Land pattern (Typical)
1.3
mm
1.8
2
1
3
Terminal land connections
6
4
1
GND
2
GND
3
OUTPUT
5
9.0
4
GND
1.2
5
GND
6
INPUT
10.2
Please specify the model name, frequency, and specification number when you order products.
For further questions regarding specifications, please feel free to contact us.
Tolerance ±0.3
1703B_NM1170BA_e