LT-455/450 U/W,LTM-455/450 U/W Series
FEATURES
The LT-455<M-455 series ceramic
Low Cost
filter is the miniature profile filter for
Communication Use
communication use.
Low Profile
Excellent Temperature Stability
High Durability
Electrical Specifications
Stop Band
Attenuation
fo 100KHz
(dB)min
40dB
50dB
Center
Frequency
(Khz)
Insertion
Loss
Pass Band
Ripple
6dB
Band Width Band Width
Input/Output
impedance
Band Width
(KHz)min
Part Number
(KHz)max
(KHz)max
(dB)max
(dB)max
(Lt455 U)
(Lt455 U)
(
)
Lt455
U
Lt455 W
LT455BU/W
LTM455BU/W
LTM455CU/W
LTM455DU/W
LTM455EU/W
LTM455FU/W
LTM455GU/W
LTM455HU/W
LTM455IU/W
455 2.0
455 2.0
455 1.5
455 1.5
455 1.5
455 1.5
455 1.0
4
4
4
6
6
6
6
6
6
2
2
2
2
2
2
2
2
2
15
12.5
10
7.5
6
30
24
20
15
12.5
10
9
30
24
20
15
12.5
10
9
28
40
40
40
40
40
40
40
40
60
1500
1500
1500
1500
2000
2000
2000
2000
2000
LT455CU/W
LT455DU/W
LT455EU/W
LT455FU/W
LT455GU/W
LT455HU/W
LT455IU/W
28
28
28
28
28
28
28
35
4.5
3
455 1.0
455 1.0
2
7.5
9
7.5
9
LT455HTU/W LTM455HTU/W
3
*Center Frequency 450KHzis Also Available
Mechanical Dimensions(mm)
Mechanical Dimensions(mm)
8.0
11.0
6.5
9.5
1.8
2.7
0.8
0.8
2.4
0.7
LT
LT
LT
LT
45
455EU
455E
W
455E
5E
U
W
2
1
1
2
3
3
4
1
5
2
2.9 2.9 2.6
2.5 2.7 1.6
1.9
2
4
2
5
4
3
0.8
1
3
3
4.0
1
4.0
4
4.0
4.0
0.9
2
3
1
4
3
2 1
1.Input
2.Ground
3.Output
1.Input
2.3.4.Ground
5.Output
1
2
1.Input
3.4.Ground
2.Output
1.Input
5
5
3
3.4.5.Ground
2.Output
4
1
3
2
1
2
R1
R1
LT455
LTM455
U
LT455
LTM455
U
U
U
Test Circuit
4
3
4
5
Rg
Rg
R2
R F
V.M
R2
R F
C.M
S.S.G
S.S.G
Rg+R1=R2=Input/Output Impedance
Rg+R1=R2=Input/Output Impedance
Characteristics
LT455BU LTM455BU
LT455EU LTM455EU
LT455HU LTM455HU
0
0
10
20
LT455BW LTM455BW
LT455EW LTM455EW
LT455HW LTM455HW
10
20
30
40
50
60
30
40
50
60
410 430 450 450 480 500
410 430 450 450 480 500
Frequency(KHz)
Frequency(KHz)