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21U12A

Description
Crystal Filter, 1 Function(s), 21.4MHz, 6kHz BW(delta f), Monolithic, A-5, 3 PIN
CategoryAnalog mixed-signal IC    filter   
File Size109KB,3 Pages
ManufacturerRaltron
Websitehttp://www.raltron.com/
Download Datasheet Parametric View All

21U12A Overview

Crystal Filter, 1 Function(s), 21.4MHz, 6kHz BW(delta f), Monolithic, A-5, 3 PIN

21U12A Parametric

Parameter NameAttribute value
package instructionA-5, 3 PIN
Reach Compliance Codecompli
Other features2 POLE
Maximum attenuation frequency (+/- delta f)25 kHz
Attenuation at maximum frequency20 dB
Bandwidth (+/- delta f)6 kHz
Center frequency or cutoff frequency (fo/fc)21.4 MHz
structureMONOLITHIC
filter typeCRYSTAL FILTER
high8 mm
Input/output impedance1200 OHM//3
Maximum insertion loss1.5 dB
length7.8 mm
Manufacturer's serial number21U12A
Installation typeTHROUGH HOLE MOUNT
Number of functions1
physical sizeL7.8XB3.17XH8.0 (mm)/L0.307XB0.125XH0.315 (inch)
width3.17 mm
Base Number Matches1
MONOLITHIC CRYSTAL FILTERS
FEATURES
STABLE TEMPERATURE CHARACTERISTICS
CUSTOM SPECIFICATIONS AVAILABLE
SPECIFICATIONS
CHANNEL
SPACING
MODEL
CENTER
PASS
RIPPLE
FREQUENCY BANDWIDTH
kHz
kHz MIN dB dBm MAX
10700
10700
10700
10700
10700
10700
10700
21400
21400
21400
21400
21400
21400
21400
10700
10700
10700
10700
21400
21400
21400
21400
21400
21400
21400
±3.50
±3.50
±3.75
±3.75
±3.75
±3.75
±3.75
±3.75
±3.75
±3.75
±3.75
±3.75
±3.75
±3.75
±6.0
±6.0
±6.0
±6.0
±6.0
±6.0
±6.0
±6.0
±6.0
±6.0
±6.0
3
3
3
3
3
3
3
3
3
3
3
3
3
3
3
3
3
3
3
3
3
3
3
3
3
0.5
1
2
2
2
2
2
2
2
0.5
1
2
2
2
2
2
2
2
2
2
0.5
1
2
2
2
INSERTION
LOSS
dB MAX
1.5
2.5
3.5
4
5
4
4
4
4
1.5
2.5
3
4
5
3
3.5
4
4
4
4
1.5
2
2.5
3
4
STOP
BANDWIDTH
kHz MAX
±12.5
±12.5
±12.5
±12.5
±10.5
±12.5
±12.5
±12.5
±12.5
±18.0
±14.0
±12.5
±12.5
±10.0
±20.0
±20.0
±20.0
±20.0
±20.0
±20.0
±25.0
±20.0
±20.0
±20.0
±16.0
dB
18
40
65
90
90
90
90
90
90
20
40
65
90
90
65
90
90
90
90
90
20
40
65
90
90
TERMINATING CASE POLES
IMPEDANCE STYLE
k // pF
1.2//5
1.2//3
1.6//4
1.6//4
1.6//4
0.91//25
0.91//15
0.91//25
0.91//25
0.85//6
0.85//4
0.85//4
0.85//4
0.85//4
3.0//1.5
3.0//1.5
0.91//25
0.91//25
0.91//25
0.91//25
1.2/3
1.2//2
1.2//2
1.2//2
1.2//2
A-3
A-3x2
C-1
D-1
E-1
FK-51
FK-50
FK-51
FK-50
A-5
A-5x2
D-5
D-5
E-5
C-1
D-1
FK-51
FK-50
FK-51
FK-50
A-5
A-5x2
D-5
D-5
E-5
2
4
6
8
10
8
8
8
8
2
4
6
6
10
6
8
8
8
8
8
2
4
6
6
10
10M7A
10M7B
10M8C
10M8D
10M8E
10H8D
12.5 kHZ
10T8D
21H8D
21T8D
21U8A
21U8B
21U8C
21U8D
21U8E
10M12C
10M12D
10H12D
10T12D
21H12D
20.0 kHZ
21T12D
21U12A
21U12B
21U12C
21U12D
21U12E
CHANNEL MODEL
SPACING
kHZ
10M15A
10M15B
10M15C
10M15D
10M15E
10H15D
10T15D
25
21H15D
21T15D
21U15A
21U15B
21U15C
21U15D
21U15E
10M30A
10M30B
10M30C
10M30D
21U30A
21U30B
20.0
21U30C
21U30D
10H30D
10T30D
21H30D
21T30D
CENTER
PASS
FREQUENCY BANDWIDTH
KHz
RIPPLE
INSERTION
LOSS
dB MAX
1.5
2
2.5
3.5
4
4
4
4
4
1.5
2
2.5
3.5
4
1.5
1.5
2.5
3.5
1.5
2
2.5
3
4
4
4
4
STOP
BANDWIDTH
kHz MAX
±25
±25
±25
±20
±17.5
±25
±25
±25
±25
±25
±25
±25
±25
±18
±50.0
±50.0
±45.0
±40.0
±45.0
±50.0
±50.0
±50.0
±50.0
±50.0
±50.0
±50.0
dB
18
40
65
80
90
90
90
90
90
18
40
65
90
90
18
40
60
80
15
40
65
80
80
80
80
80
TERMINATING
IMPEDANCE
k // pF
3.0//2
3.0//2
3.0//2
3.0//2
3.0//2
0.91//25
0.91//25
0.91//25
0.91//25
1.6//3
1.6//2
1.6//2
1.6//2
1.6//2
5
5.5//1
5.5//1
5.5//1
1.5//1.5
2.0//0.5
2.3//0.5
2.3//0.5
0.91//25
0.91//25
0.91//25
0.91//25
CASE
STYLE
POLES
kHz MIN dB dBm MAX
10700
10700
10700
10700
10700
10700
10700
21400
21400
21400
21400
21400
21400
21400
10700
10700
10700
10700
21400
21400
21400
21400
10700
10700
21400
21400
±7.5
±7.5
±7.5
±7.5
±7.5
±7.5
±7.5
±7.5
±7.5
±7.5
±7.5
±7.5
±7.5
±7.5
±15.0
±15.0
±15.0
±15.0
±15.0
±15.0
±15.0
±15.0
±15.0
±15.0
±15.0
±15.0
3
3
3
3
3
3
3
3
3
3
3
6
6
6
3
3
6
6
3
3
3
3
3
3
3
3
0.5
1
2
2
2
2
2
2
2
0.5
1
2
2
2
0.5
1
2
2
0.5
1
2
2
2
2
2
2
A-3
A-3x2
C-1
D-1
E-1
FK-51
FK-50
FK-51
FK-50
A-5
A-5x2
D-5
D-5
E-5
A-3
A-3x2
C-1
D-1
A-5
A-5x2
D-5
D-5
FK-51
FK-50
FK-51
FK-50
2
4
6
8
10
8
8
8
8
2
4
6
8
10
2
4
6
8
2
4
6
6
8
8
8
8
OUTLINE DRAWINGS ARE ON THE FOLLOWING PAGE
Raltron Electronics Corporation 10651 NW 19th St. Miami, Florida 33172 U.S.A.
Tel: 305-593-6033 Fax: 305-594-3973 e-mail: sales@raltron.com Internet: http://www.raltron.com
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