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21M12A Datasheet(PDF) 1 Page - Wolfgang Knap

Part # 21M12A
Description  Monolithic Crystal Filters
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Manufacturer  WK [Wolfgang Knap]
Direct Link  http://www.knap.at/en/index.html
Logo WK - Wolfgang Knap

21M12A Datasheet(HTML) 1 Page - Wolfgang Knap

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


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