Filter THT
LT 450/455 U
series
Features:
- For communication
- 4 elements
- 450/455 KHz
Specifications
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. 鹵100KHz (dB) min
Input/output impedance (Ohm)
LT450AU LT450BU LT450CU LT450DU LT450EU
450鹵2.0
450鹵2.0
450鹵2.0
450鹵1.5
450鹵1.5
4
4
4
4
6
2
2
2
2
2
鹵17.5
鹵15
鹵12.5
鹵10
鹵7.5
鹵35
鹵30
鹵24
鹵20
鹵15
28
28
28
28
28
1000
1500
1500
1500
1500
LT450FU
450鹵1.5
6
2
鹵6
鹵12.5
28
2000
LT450GU LT450HU LT450IU LT450HTU
450鹵1.5
450鹵1.0
450鹵1.0
450鹵1.0
6
6
6
6
2
2
2
2
鹵4.5
鹵3
鹵2
鹵3
鹵10
鹵9
鹵7.5
鹵9
28
28
28
35
2000
2000
2000
2000
Specifications
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. 鹵100KHz (dB) min
Input/output impedance (Ohm)
LT455AU LT455BU LT455CU LT455DU LT455EU
455鹵2.0
455鹵2.0
455鹵2.0
455鹵1.5
455鹵1.5
4
4
4
4
6
2
2
2
2
2
鹵17.5
鹵15
鹵12.5
鹵10
鹵7.5
鹵35
鹵30
鹵24
鹵20
鹵15
28
28
28
28
28
1000
1500
1500
1500
1500
LT455FU
455鹵1.5
6
2
鹵6
鹵12.5
28
2000
LT455GU LT455HU LT455IU LT455HTU
455鹵1.5
455鹵1.0
455鹵1.0
455鹵1.0
6
6
6
6
2
2
2
2
鹵4.5
鹵3
鹵2
鹵3
鹵10
鹵9
鹵7.5
鹵9
28
28
28
35
2000
2000
2000
2000
Drawing
Test circuit
LT 450/455 U
Dimensions in mm
Characteristics
Order key
F
Part
F= Ceramic filter
- LT 450
Package
LT 450
LT 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!
7.4