Monolithic Crystal Filters
21.4MHz UM-1 FAMILY
STANDARD THROUGH-HOLE MCF
STANDARD SPECIFICATIONS
Nominal
Nominal
Passband
min.
Stopband
max.
Attention
Ripple Loss Terminating Coupling Operating
No.
Frequency
Frequency
Guaranteed min. max. max. Impedance Capacitor Temperature
Part number
fo
fo
of Pole
(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
(dB) (kHz) (dB)
(kHz)
±18.0
±18.0
±14.0
±14.0
±8.75
±9.0
(dB)
(kHz)
(dB) (dB)
(pF)
(˚C)
(Ω//pF)
850//6.0
850//5.5
850//5.0
1000//4.5
850//5.0
35
50
+350 to +1000
21M7.5
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
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
0.5
0.5
1.0
1.0
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
- -30 to +80
- -30 to +80
16
12
- -30 to +80 6 (SC
- -30 to +80 8 (SC
- -30 to +80
- -30 to +80
10.5
7
- -30 to +80 6 (SC
- -30 to +80 8 (SC
- -30 to +80
- -30 to +80
8
5
- -30 to +80 6 (SC
- -30 to +80 8 (SC
- -30 to +80
2
2
±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
-
200 to -1000
35
+350 to +1000
200 to 1000
+350 to +1000
200 to 1000
+350 to +1000
200 to 1000
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
50
-
-
65
80
-
30 to +80
-30 to +80
4 (2 pcs.)
4 (2 pcs.)
-
-
65
80
-
-
65 ±12.5 to ±300 2.0
90 ±12.5 to ±300 2.0
-
-
2
1/3/4)
1/3/4)
850//5.0
35
50
+350 to +1000
200 to 1000
+350 to +1000
200 to 1000
+350 to +1000
200 to 1000
+350 to +1000
200 to 1000
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
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
±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
-
-
35
2
50
-
-
65
80
-
-
30 to +80
30 to +80
4 (2 pcs.)
4 (2 pcs.)
-
-
65
80
-
-
65 ±20 to ±300
90 ±20 to ±300
-
-
2
1/3/4)
1/3/4)
35
50
+350 to +1000
-
200 to
+350 to +1000
200 to 1000
+350 to +1000
200 to 1000
+350 to +1000
200 to 1000
-1000
35
2
50
-
-
65
80
-
-
30 to +80
30 to +80
4 (2 pcs.)
4 (2 pcs.)
-
-
65
80
-
-
65 ±25 to ±300
90 ±25 to ±300
-
-
2
1/3/4)
1/3/4)
35
50
+350 to +1000
-
350 to
+350 to +1000
200 to 1000
-1000
65
5
-
30 to +80
4 (2 pcs.)
80
-
-
60 ±34 to ±300
80 ±30 to ±300
- -30 to +80 6 (SC
- -30 to +80 8 (SC
- -30 to +80
-
-
2
1/3/4)
1/3/4)
35
45
+350 to +1000
-
350 to
+350 to +1000
250 to 1000
-1000
65
2000//0.5
2200//0.5
2200//0.5
3
-
30 to +80
4 (2 pcs.)
80
-
-
65 ±50 to ±300
80 ±50 to ±300
- -30 to +80 6 (SC
- -30 to +80 8 (SC
-
-
1/3/4)
1/3/4)
Contact us for other frequencies or other specifications
PACKAGE DATA
SC-1
UM-1 / 8H
UM-1S / 8H
Metal
UM-1 / 6H
UM-1 / 4H
UM-1S / 4H
Metal
Package
Item
SC-1 / 3 / 4
UM-1S / 6H
Metal
Cover
Base
Metal
Metal (UM-1)
Metal
Metal
Metal
Sealing
Resistance weld
Alloy (FeNiCo)
Gold
Resistance weld
Alloy (FeNiCo)
Gold
Resistance weld
Alloy (FeNiCo)
Gold
Resistance weld (UM-1)
Alloy (FeNiCo)
Gold
Terminal lead
Terminal lead plating
RoHS
Actual Size
Compliant (Pb-Free)
Compliant ( Pb-Free)
Compliant ( Pb-Free)
Compliant ( Pb-Free)
SC-3
UM-1/8H & UM-1S/8H UM-1/6H & UM-1S/6H UM-1/4H & UM-1S/4H
SC-1/3/4
L
Actual Size
1.5
GND
Dφ
OUT
GND
IN
L
A
UM-1/8H,UM-1/6H,UM-1/4H
6.9
Case
W
H
A
B
Dφ
0.30
0.43
0.43
Actual Size
SC-1 11.0
SC-3 15.0
SC-4 18.5
8.5
12.0
12.0
11.5
15.0
15.0
7.4
9.0
13.4
2.0
2.5
2.5
Actual Size
Actual Size
Package
UM-1/8H
UM-1/6H
UM-1/4H
H
W
8.0max.
6.0max.
4.5max.
3.0 0.2
3.0 0.2
3.0 0.2
8.0max.
W
SC-4
Package
H
W
UM-1S/8H
UM-1S/6H
UM-1S/4H
8.0max.
6.0max.
4.5max.
2.5 0.2
2.5 0.2
2.5 0.2
φ0.35
3.75 0.2
GND
Actual Size
124