TOKEN
LTM 455/450 Ceramic Filters
Dimensions
6.5 6.5
455EU
③①
②
2.4 1.8 0.8
0.7
①②
③④
① Input
③④ Ground
② Output
6.5
9.5
455EW
③
④
⑤
②
2.52.7 1.9
0.9
③④ ⑤
①②
① Input
③④⑤ Ground
② Output
Technical Characteristics
0
10
20
30
40
50
60
410
430 450 460 480
Frequency (KHz)
LTM455BU
LTM455EU
LTM455HU
500
0
10
20
30
40
50
60
410
430 450 460 480
Frequency (KHz)
LTM455BW
LTM455EW
LTM455HW
500
Part
Number
Center
Frequency
(kHz)
Insertion
Loss
(dB)
max
Pass
Band
Ripple
(dB)
max
LTM455AU LTM455AW 455±2.0 4
LTM455BU LTM455BW 455±2.0 4
LTM455CU LTM455CW 455±2.0 4
LTM455DU LTM455DW 455±1.5 4
LTM455EU LTM455EW 455±1.5 6
LTM455FU LTM455FW 455±1.5 6
LTM455GU LTM455GW 455±1.5 6
LTM455HU LTM455HW 455±1.0 6
LTM455IU LTM455IW 455±1.0 6
LT
M455HTU
LT
M455HTW
455±1.0
6
Note: Center frequency 450KHz is also available.
2
2
2
2
2
2
2
2
2
2
6dB
Band
Width
(kHz)
min
±17.5
±15
±12.5
±10
±7.5
±6
±4.5
±3
±2
±3
40dB
Band
Width
(kHz)
max
LTM455 U
±40
±30
±24
±20
±15
±12.5
±10
±9
±7.5
±9
50dB
Band
Width
(kHz)
max
LTM455 W
±35
±30
±24
±20
±15
±12.5
±10
±9
±7.5
±9
Spurious
Attenuation
fo±100kHz
(dB) min
(LTM (LTM
455 U) 455 W)
28 40
28 40
28 40
28 40
28 40
28 40
28 40
28 40
28 40
35 60
Input
/
Output
Impedance
(Ω)
1000
1500
1500
1500
1500
2000
2000
2000
2000
2000
02 of 03
http://www.token.com.tw/
rfq token.com.tw
Version 2010
Free Datasheet http://www.datasheet4u.com/
