Simple Packaged Crystal Filters

21.4 MHz

Features

 

  • Excellent temperature characteristics
  • Excellent attenuation guaranteed
  • Low IM distortion

 

Specification

Nominal frequency

21.400 MHz

 

Series
No.
Pole Pass Band Attenuat.
Band
Ripplemax. Lossmax. Attenuation
Guaranteed
Terminal
Imped.
Operating
Temp.
Case
Code

.

.

dB kHz dB kHz dB dB dB fo ~ ± kHz Ohm//pF °C

.

21M7C 6 3 ± 3.75 65 ± 12.5 2.0 3.0 65 ± 12.5~± 300 850 // 5.0 -20°~+70°C FK-05
FK-06
21M7D 8 3 ± 3.75 90 ± 12.5 2.0 4.0 90 ± 12.5~± 300 850 // 5.0 -20°~+70°C FK-05
FK-06
21M12C 6 3 ± 6.0 65 ± 20.0 2.0 2.5 65 ± 20.0~± 300 1200 // 2.5 -20°~+70°C FK-05
FK-06
21M12D 8 3 ± 6.0 90 ± 20.0 2.0 3.0 90 ± 20.0~± 300 1200 // 2.5 -20°~+70°C FK-05
FK-06
21M15C 6 3 ± 7.5 65 ± 25.0 2.0 2.5 65 ± 25.0~± 300 1500 // 2.0 -20°~+70°C FK-05
FK-06
21M15D 8 3 ± 7.5 90 ± 25.0 2.0 3.0 90 ± 25.0~± 300 1500 // 2.0 -20°~+70°C FK-05
FK-06
21M20C 6 3 ± 10.0 60 ± 34.0 2.0 2.5 60 ± 34.0~± 300 1800 // 1.5 -20°~+70°C FK-05
FK-06
21M20D 8 3 ± 10.0 80 ± 30.0 2.0 3.0 80 ± 30.0~± 300 1800 // 1.5 -20°~+70°C FK-05
FK-06
21M30C 6 3 ± 15.0 65 ± 50.0 2.0 2.5 65 ± 50.0~± 300 2200 // 0.5 -20°~+70°C FK-05
FK-06
21M30D 8 3 ± 15.0 80 ± 50.0 2.0 3.0 80 ± 50.0~± 300 2200 // 0.5 -20°~+70°C FK-05
FK-06

 

Case code

A

L

H

FK - 05

7.4

11.0

11.5

FK - 06

7.4

11.0

9.5

 

Technical guidance

 

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