Monolithic Crystal Filters

21.4 MHz

Features

 
  • Excellent temperature characteristics
  • Excellent attenuation guaranteed
  • Low IM distortion
  • Thru hole & surface mounted, available on tape and reel

 

Specification

Nominal frequency

21.400MHz

 

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

.

.

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

.
21M7A 2 3 ± 3.75 20 ± 18.0 0.5 1.5 35
50		 +350~+1000
-200~-1000		 850 // 6.0 -20°~+70°C 1
21M7B 4 3 ± 3.75 40 ± 14.0 1.0 2.5 65
80		 +350~+1000
-200~-1000		 850 // 5.0 -20°~+70°C 2
21M12A 2 3 ± 6.0 20 ± 25.0 0.5 1.5 35
50		 +350~+1000
-200~-1000		 1200 // 3.0 -20°~+70°C 1
21M12B 4 3 ± 6.0 40 ± 20.0 1.0 2.5 65
80		 +350~+1000
-200~-1000		 1200 // 2.5

-20°~+70°C

 2
21M15A 2 3 ± 7.5 18 ± 25.0 0.5 1.5 35
50		 +350~+1000
-200~-1000		 1500 // 2.0 -20°~+70°C 1
21M15B 4 3 ± 7.5 40 ± 25.0 1.0 2.5 65
80		 +350~+1000
-200~-1000		 1500 // 2.0 -20°~+70°C 2
21M20A 2 3 ± 10.0 18 ± 34.0 0.5 2.0 35
50		 +350~+1000
-200~-1000		 1800 // 1.5 -20°~+70°C 1
21M20B 4 3 ± 10.0 40 ± 34.0 1.0 2.5 65
80		 +350~+1000
-200~-1000		 1800 // 1.5 -20°~+70°C 2
21M30A 2 3 ± 15.0 15 ± 45.0 0.5 1.5 35
45		 +350~+1000
-300~-1000		 3000 // 0.5 -20°~+70°C 1
21M30B 4 3 ± 15.0 40 ± 50.0 1.0 2.5 65
80		 +350~+1000
-300~-1000		 3000 // -0.5 -20°~+70°C 2
21M30A2 2 3 ± 15.0 15 ± 45.0 0.5 1.5 35
45		 +350~+1000
-300~-1000		 1500 // 1.5 -20°~+70°C 1
21M30B2 4 3 ± 15.0 40 ± 50.0 1.0 2.5 65
80		 +350~+1000
-300~-1000		 2000 // 0.5 -20°~+70°C 2

 

Through hole

Surface mount

.
.

Case height
H (mm)

Holder

8.0

UM-1

6.0

UM-5

4.5

UM-4

Case length
L (mm)

Holder

12.5

UM-1JF

10.5

UM-5JF

9.0

UM-4JF

 

Technical guidance

 

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