Monolithic Crystal Filters
70MHz UM-1 FAMILY
STANDARD SPECIFICATIONS
Nominal
Nominal
Frequency
Frequency
Part number
fo fo
70M7.5A
70M7.5B
70M12A
70M12B
70M15A
70M15B
70M20A
70M20B
70M30A
70M30B
P/N
(MHz)
(MHz)
70
70
70
70
70
70
70
70
70
70
Passband
min.
(dB)
3
3
3
3
3
3
3
3
3
3
(kHz)
±3.75
±3.75
±6.0
±6.0
±7.5
±7.5
±10.0
±10.0
±15.0
±15.0
Stopband
max.
(dB)
10
30
15
30
15
25
15
35
15
30
Attention
Guaranteed min.
Ripple
max.
Loss
max.
Terminating Coupling Operating
Impedance Capacitor Temperature
(pF)
-
0.5
-
0
-
-0.5
-
-1.0
-
-1.1
(˚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
No.
of Pole
2
4 (2 pcs.)
2
4 (2 pcs.)
2
4 (2 pcs.)
2
4 (2 pcs.)
2
4 (2 pcs.)
STANDARD THROUGH-HOLE MCF
(kHz)
(dB)
(kHz)
(dB)
(dB)
(Ω//pF)
+500 to +1000
35
1.0
2.0
2000//0
±12.5
35
-200 to -1000
70
+500 to +1000
1.0
4.0
1800//0
±12.5
75
-200 to -1000
35
+500 to +1000
1.0
2.0
2000//-0.4
±22.0
35
-200 to -1000
70
+500 to +1000
2000//-0.2
1.0
3.0
±25.0
75
-200 to -1000
35
+500 to +1000
2000//-0.9
1.0
2.0
±30.0
35
-200 to -1000
70
+500 to +1000
2000//-0.4
1.0
3.0
±25.0
75
-200 to -1000
35
+500 to +1000
2500//-0.1
1.0
2.0
±40.0
35
-200 to -1000
70
+500 to +1000
2500//-0.4
1.0
3.0
±40.0
75
-200 to -1000
35
+500 to +1000
4000//-0.7
1.0
2.0
±60.0
35
-200 to -1000
70
+500 to +1000
4000//-0.8
1.0
2.0
±60.0
75
-200 to -1000
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)
Cover
Base
Sealing
Terminal lead
Terminal lead plating
RoHS
UM-1/8H & UM-1S/8H
UM-1/6H & UM-1S/6H
UM-1/4H & UM-1S/4H
Actual Size
Actual Size
Actual Size
MCF
6.9
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
8.0max.
15min.
H
W
φ0.35
3.75±0.2
GND
122
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