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21M20C

Description
Monolithic Crystal Filters
File Size78KB,1 Pages
ManufacturerWolfgang Knap
Websitehttp://www.knap.at/
Download Datasheet View All

21M20C Overview

Monolithic Crystal Filters

Monolithic Crystal Filters
21.4MHz UM-1 FAMILY
STANDARD SPECIFICATIONS
Nominal
Nominal
Frequency
Frequency
Part number
fo fo
21M7.5
21M7.5A4
21M7.5B
21M7.5B4
21M7.5C
21M7.5D
21M12A
21M12A4
21M12B
21M12B4
21M12C
21M12D
21M15A
21M15A4
21M15B
21M15B4
21M15C
21M15D
21M20A
21M20B
21M20C
21M20D
21M30A
21M30B
21M30C
21M30D
P/N
(MHz)
(MHz)
21.4
21.4
21.4
21.4
21.4
21.4
21.4
21.4
21.4
21.4
21.4
21.4
21.4
21.4
21.4
21.4
21.4
21.4
21.4
21.4
21.4
21.4
21.4
21.4
21.4
21.4
Passband
min.
(dB)
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
3
(kHz)
±3.75
±3.75
±3.75
±3.75
±3.75
±3.75
±6.0
±6.0
±6.0
±6.0
±6.0
±6.0
±7.5
±7.5
±7.5
±7.5
±7.5
±7.5
±10.0
±10.0
±10.0
±10.0
±15.0
±15.0
±15.0
±15.0
Stopband
max.
(dB)
20
20
40
40
45
65
20
20
40
40
45
65
18
15
40
40
45
65
15
45
60
80
15
40
65
80
Attention
Ripple Loss Terminating Coupling Operating
Guaranteed min. max. max. Impedance Capacitor Temperature
(pF)
-
-
16
12
-
-
-
-
10.5
7
-
-
-
-
8
5
-
-
-
5
-
-
-
3
-
-
(˚C)
-30 to +80
-30 to +80
-30 to +80
-30 to +80
-30 to +80
-30 to +80
-30 to +80
-30 to +80
-30 to +80
-30 to +80
-30 to +80
-30 to +80
-30 to +80
-30 to +80
-30 to +80
-30 to +80
-30 to +80
-30 to +80
-30 to +80
-30 to +80
-30 to +80
-30 to +80
-30 to +80
-30 to +80
-30 to +80
-30 to +80
No.
of Pole
2
2
4 (2 pcs.)
4 (2 pcs.)
6 (SC-1/3/4)
8 (SC-1/3/4)
2
2
4 (2 pcs.)
4 (2 pcs.)
6 (SC-1/3/4)
8 (SC-1/3/4)
2
2
4 (2 pcs.)
4 (2 pcs.)
6 (SC-1/3/4)
8 (SC-1/3/4)
2
4 (2 pcs.)
6 (SC-1/3/4)
8 (SC-1/3/4)
2
4 (2 pcs.)
6 (SC-1/3/4)
8 (SC-1/3/4)
STANDARD THROUGH-HOLE MCF
(kHz)
(dB)
(kHz)
(dB) (dB) (Ω//pF)
35
+350 to +1000
0.5
1.5
850//6.0
±18.0
50
-200 to -1000
35
+350 to +1000
0.5
2.0
850//5.5
±18.0
50
-200 to -1000
65
+350 to +1000
1.0
2.5
850//5.0
±14.0
80
-200 to -1000
65
+350 to +1000
1.0
3.0
1000//4.5
±14.0
80
-200 to -1000
65
±12.5
to
±300
2.0
3.0
850//5.0
±8.75
90
±12.5
to
±300
2.0
4.0
850//5.0
±9.0
35
+350 to +1000
0.5
1.5
1200//3.0
±25.0
50
-200 to -1000
35
+350 to +1000
0.5
2.0
1200//3.0
±25.0
50
-200 to -1000
65
+350 to +1000
1.0
2.0
1200//2.5
±20.0
80
-200 to -1000
65
+350 to +1000
1.0
3.0
1600//2.5
±20.0
80
-200 to -1000
65
±20
to
±300
2.0
2.5
1200//2.5
±14.0
90
±20
to
±300
2.0
3.0
1200//2.5
±14.0
+350 to +1000
35
1.5
1.5
1500//2.5
±25.0
-200 to -1000
50
+350 to +1000
35
0.5
2.0
1500//2.0
±25.0
-200 to -1000
50
+350 to +1000
65
1.0
2.0
1500//2.0
±25.0
-200 to -1000
80
+350 to +1000
65
1.0
4.0
1900//2.0
±25.0
-200 to -1000
80
65
±25
to
±300
2.0
2.5
1500//2.0
±17.5
90
±25
to
±300
2.0
1500//2.0
3.0
±17.5
35
+350 to +1000
0.5
1800//2.5
2.0
±30.0
50
-350 to -1000
65
+350 to +1000
1.0
1800//1.5
2.0
±35.0
80
-200 to -1000
60
±34
to
±300
2.0
1800//1.5
2.5
±34.0
80
±30
to
±300
2.0
1800//1.5
3.0
±30.0
35
+350 to +1000
0.5
1500//1
1.5
±45.0
45
-350 to -1000
65
+350 to +1000
1.0
2000//0.5
2.0
±50.0
80
-250 to -1000
65
±50
to
±300
2.0
2200//0.5
2.5
±50.0
80
±50
to
±300
2.0
2200//0.5
3.0
±50.0
Contact us for other frequencies or other specifications
PACKAGE DATA
Package
Item
UM-1 / 8H
UM-1S / 8H
Metal
Metal
Resistance weld
Alloy (FeNiCo)
Gold
Compliant (Pb-Free)
UM-1 / 6H
UM-1S / 6H
Metal
Metal
Resistance weld
Alloy (FeNiCo)
Gold
Compliant ( Pb-Free)
UM-1 / 4H
UM-1S / 4H
Metal
Metal
Resistance weld
Alloy (FeNiCo)
Gold
Compliant ( Pb-Free)
SC-1
SC-1 / 3 / 4
Metal
Metal (UM-1)
Resistance weld (UM-1)
Alloy (FeNiCo)
Gold
Compliant ( Pb-Free)
Actual Size
Cover
Base
Sealing
Terminal lead
Terminal lead plating
MCF
RoHS
UM-1/8H & UM-1S/8H UM-1/6H & UM-1S/6H
UM-1/4H & UM-1S/4H
Actual Size
7min
H
SC-1/3/4
L
SC-3
0.3
GND
4
1.5
OUT
W
UM-1/8H,UM-1/6H,UM-1/4H
6.9
B
B
IN
A
W
8.5
12.0
12.0
H
11.5
15.0
15.0
A
7.4
9.0
13.4
GND
Actual Size
Actual Size
8.0max.
15min.
W
Package
UM-1/8H
UM-1/6H
UM-1/4H
Package
UM-1S/8H
UM-1S/6H
UM-1S/4H
H
8.0max.
6.0max.
4.5max.
H
8.0max.
6.0max.
4.5max.
W
3.0±0.2
3.0±0.2
3.0±0.2
W
2.5±0.2
2.5±0.2
2.5±0.2
H
Case
SC-1
SC-3
SC-4
L
11.0
15.0
18.5
B
2.0
2.5
2.5
0.30
0.43
0.43
Actual Size
SC-4
φ0.35
3.75±0.2
GND
124
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