Filter THT
LTM 450/455 U
series
Features:
- For communication
- 4 elements
- 450/455 KHz
Specifications
LTM 450
Part number
Center frequency (KHz)
Insertion loss (dB) max
Pass band ripple (dB) max
6dB bandwidth (KHz) min
40dB bandwidth (KHz) max
Stop band att. ±100KHz (dB) min
Input/output impedance (Ohm)
AU
450±2.0
4
2
±17.5
±35
28
1000
BU
450±2.0
4
2
±15
±30
28
1500
CU
450±2.0
4
2
±12.5
±24
28
1500
DU
450±1.5
4
2
±10
±20
28
1500
EU
450±1.5
6
2
±7.5
±15
28
1500
FU
450±1.5
6
2
±6
±12.5
28
2000
GU
450±1.5
6
2
±4.5
±10
28
2000
HU
450±1.0
6
2
±3
±9
28
2000
IU
450±1.0
6
2
±2
±7.5
28
2000
HTU
450±1.0
6
2
±3
±9
35
2000
Specifications
LTM 455
Part number
Center frequency (KHz)
Insertion loss (dB) max
Pass band ripple (dB) max
6dB bandwidth (KHz) min
40dB bandwidth (KHz) max
Stop band att. ±100KHz (dB) min
Input/output impedance (Ohm)
Drawing
AU
455±2.0
4
2
±17.5
±35
28
1000
BU
455±2.0
4
2
±15
±30
28
1500
CU
455±2.0
4
2
±12.5
±24
28
1500
DU
455±1.5
4
2
±10
±20
28
1500
Test circuit
EU
455±1.5
6
2
±7.5
±15
28
1500
FU
455±1.5
6
2
±6
±12.5
28
2000
GU
455±1.5
6
2
±4.5
±10
28
2000
HU
455±1.0
6
2
±3
±9
28
2000
IU
455±1.0
6
2
±2
±7.5
28
2000
HTU
455±1.0
6
2
±3
±9
35
2000
LTM 450/455 U
Dimensions in mm
Characteristics
Order key
F
Part
F= Ceramic filter
- LTM 450
Package
LTM 450
LTM 455
- AU
Individual specification
AU
BU
CU
DU
EU
FU
GU
HU
IU
HTU
-
Opion
blanc = standard
X=Special options
Remarks: All specifications subject to change without notice!
7.5
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