SL1011B250A Datasheet, PDF (1/1 Pages) Littelfuse – SL1011B Series Gas Plasma Arrester

LT-455/450 U/W,LTM-455/450 U/W Series
The LT-455&LTM-455 series ceramic
filter is the miniature profile filter for
communication use.
FEATURES
Low Cost
Communication Use
Low Profile
Excellent Temperature Stability
High Durability
Electrical Specifications
Part Number
Center
Frequency
(Khz)
Insertion
Loss
(dB)max
Pass Band
Ripple
(dB)max
6dB
Band Width
(KHz)min
40dB
Band Width
(KHz)max
(Lt455 U)
50dB
Band Width
(KHz)max
(Lt455 U)
LT455BU/W LTM455BU/W 455 2.0
4
2
15
30
30
LT455CU/W LTM455CU/W 455 2.0
4
2
12.5
24
24
LT455DU/W LTM455DU/W 455 1.5
4
2
10
20
20
LT455EU/W LTM455EU/W 455 1.5
6
2
7.5
15
15
LT455FU/W LTM455FU/W 455 1.5
6
2
6
12.5
12.5
LT455GU/W LTM455GU/W 455 1.5
6
2
4.5
10
10
LT455HU/W LTM455HU/W 455 1.0
6
2
3
9
9
LT455IU/W LTM455IU/W
455 1.0
6
2
2
7.5
7.5
LT455HTU/W LTM455HTU/W 455 1.0
6
2
3
9
9
*Center Frequency 450KHz is Also Available
Stop Band
Attenuation
fo 100KHz
(dB)min
Lt455 U Lt455 W
28
40
28
40
28
40
28
40
28
40
28
40
28
40
28
40
35
60
Input/Output
impedance
()
1500
1500
1500
1500
2000
2000
2000
2000
2000
Mechanical Dimensions(mm)
Mechanical Dimensions(mm)
8.0
LT
455EU
11.0
LT
455EW
0.8
2.7
21
3
6.5
LT
455EU
9.5
LT
455EW
1.8
2.4
0.8
0.7
12
34
2
31
4.0
5
4
2.9 2.9 2.6
3 ₂₁
4.0
0.8
2 _{3 1 4 4.0}
2
5
43
1
4.0
2.5 2.7 1.6
1.9 _0.9
1.Input
2.Ground
3.Output
1.Input
2.3.4.Ground
5.Output
43 2 1
5
1.Input
3.4.Ground
2.Output
1.Input
3.4.5.Ground
2.Output
1
2
34 5
Test Circuit
Characteristics
1
2
R1
LT455¡õU
LTM455¡õU
3
4
1
2
R1
LT455¡õU
LTM455¡õU
3
4
Rg
S.S.G
5
R2
RF
Rg
R2
RF
V.M
C.M
S.S.G
Rg+R1=R2=Input/Output Impedance
Rg+R1=R2=Input/Output Impedance
0
LT455BU LTM455BU
10
LT455EU LTM455EU
20
LT455HU LTM455HU
30
40
50
60
410 430 450 450 480 500
Frequency(KHz)
0
10
20
30
40
50
60
410 430 450 450 480 500
Frequency(KHz)
LT455BW LTM455BW
LT455EW LTM455EW
LT455HW LTM455HW