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. ±100KHz (dB) min
Input/output impedance (Ohm)
LT450AU LT450BU LT450CU LT450DU LT450EU
450±2.0
450±2.0
450±2.0
450±1.5
450±1.5
4
4
4
4
6
2
2
2
2
2
±17.5
±15
±12.5
±10
±7.5
±35
±30
±24
±20
±15
28
28
28
28
28
1000
1500
1500
1500
1500
LT450FU
450±1.5
6
2
±6
±12.5
28
2000
LT450GU LT450HU LT450IU LT450HTU
450±1.5
450±1.0
450±1.0
450±1.0
6
6
6
6
2
2
2
2
±4.5
±3
±2
±3
±10
±9
±7.5
±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. ±100KHz (dB) min
Input/output impedance (Ohm)
LT455AU LT455BU LT455CU LT455DU LT455EU
455±2.0
455±2.0
455±2.0
455±1.5
455±1.5
4
4
4
4
6
2
2
2
2
2
±17.5
±15
±12.5
±10
±7.5
±35
±30
±24
±20
±15
28
28
28
28
28
1000
1500
1500
1500
1500
LT455FU
455±1.5
6
2
±6
±12.5
28
2000
LT455GU LT455HU LT455IU LT455HTU
455±1.5
455±1.0
455±1.0
455±1.0
6
6
6
6
2
2
2
2
±4.5
±3
±2
±3
±10
±9
±7.5
±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