TOKEN
LTM 455/450 Ceramic Filters
Ceramic Filters
for Communication
Ceramic Filter for Communication
(Murata CFUM/WM 455/450 Compatible)
Preview
Token ceramic filters for communication LTM 455/450 U/W series are miniaturized versions of the Murata CFU/
CFWS lines.
These compact, highly selective characteristics are recommended for use in applications ranging from two-way
radio to auxiliary filters in high class transceivers.
These ultra-miniature versions consume approximately 40% less volume while still offering the same high
performance filter characteristics.
Version 2010
http://www.token.com.tw/
rfq token.com.tw
01 of 03
TOKEN
Dimensions
2.4 1.8 0.8
LTM 455/450 Ceramic Filters
6.5
45
5E
U
6.5
0.7
6.5
45
5E
W
2.5 2.7
9.5
1.9
0.9
4.3
Input
/
Output
Impedance
(Ω)
.
1.0
6.2
① ②
③ ④
4.3
1.0
3.5
②
⑤
Technical Characteristics
0
(dB) Attenuation
(dB) Attenuation
10
20
30
40
50
60
410
LTM455BU
LTM455EU
LTM455HU
0
10
20
30
40
50
60
410
3.5
③
①
①
Input
③④
Ground
②
Output
③
④
②
6.2
③④ ⑤
①②
①
Input
③④⑤ Ground
②
Output
LTM455BW
LTM455EW
LTM455HW
430
450 460
480
500
430
450 460
480
500
Frequency (KHz)
Pass
Insertion
Center
Band
Loss
Frequency
Ripple
(dB)
(kHz)
(dB)
max
max
6dB
Band
Width
(kHz)
min
40dB
Band
Width
(kHz)
max
LTM455 U
Frequency (KHz)
50dB
Band
Width
(kHz)
max
LTM455 W
Spurious
Attenuation
fo±100kHz
(dB) min
Part
Number
LTM455AU
LTM455BU
LTM455CU
LTM455DU
LTM455EU
LTM455FU
LTM455GU
LTM455HU
LTM455IU
LT
M455HTU
LTM455AW
LTM455BW
LTM455CW
LTM455DW
LTM455EW
LTM455FW
LTM455GW
LTM455HW
LTM455IW
LT
M455HTW
455±2.0
455±2.0
455±2.0
455±1.5
455±1.5
455±1.5
455±1.5
455±1.0
455±1.0
455±1.0
4
4
4
4
6
6
6
6
6
6
2
2
2
2
2
2
2
2
2
2
±17.5
±15
±12.5
±10
±7.5
±6
±4.5
±3
±2
±3
±40
±30
±24
±20
±15
±12.5
±10
±9
±7.5
±9
±35
±30
±24
±20
±15
±12.5
±10
±9
±7.5
±9
(LTM
455 U)
28
28
28
28
28
28
28
28
28
35
(LTM
455 W)
40
40
40
40
40
40
40
40
40
60
1000
1500
1500
1500
1500
2000
2000
2000
2000
2000
Note: Center frequency 450KHz is also available.
02 of 03
http://www.token.com.tw/
rfq token.com.tw
Version 2010