Filter THT
LTM 450/455 W
series
Features:
- For communication
- 6 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)
AW
450±2.0
4
2
±17.5
±35
40
1000
BW
450±2.0
4
2
±15
±30
40
1500
CW
450±2.0
4
2
±12.5
±24
40
1500
DW
450±1.5
4
2
±10
±20
40
1500
EW
450±1.5
6
2
±7.5
±15
40
1500
FW
450±1.5
6
2
±6
±12.5
40
2000
GW
450±1.5
6
2
±4.5
±10
40
2000
HW
450±1.0
6
2
±3
±9
40
2000
IW
450±1.0
6
2
±2
±7.5
40
2000
HTW
450±1.0
6
2
±3
±9
60
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)
AW
455±2.0
4
2
±17.5
±35
40
1000
BW
455±2.0
4
2
±15
±30
40
1500
CW
455±2.0
4
2
±12.5
±24
40
1500
DW
455±1.5
4
2
±10
±20
40
1500
EW
455±1.5
6
2
±7.5
±15
40
1500
FW
455±1.5
6
2
±6
±12.5
40
2000
GW
455±1.5
6
2
±4.5
±10
40
2000
HW
455±1.0
6
2
±3
±9
40
2000
IW
455±1.0
6
2
±2
±7.5
40
2000
HTW
455±1.0
6
2
±3
±9
60
2000
Drawing
Test circuit
LTM 450/455 W
Dimensions in mm
Characteristics
Order key
F
Part
F= Ceramic filter
- LTM 450
Package
LTM 450
LTM 455
- AW
Individual specification
AW
BW
CW
DW
EW
FW
GW
HW
IW
HTW
-
Opion
blanc = standard
X=Special options
Remarks: All specifications subject to change without notice!
7.7
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