LTC455IWP [TOKEN]
Chip Ceramic Filters for Communication; 片式陶瓷滤波器通讯型号: | LTC455IWP |
厂家: | TOKEN ELECTRONICS INDUSTRY CO., LTD. |
描述: | Chip Ceramic Filters for Communication |
文件: | 总3页 (文件大小:307K) |
中文: | 中文翻译 | 下载: | 下载PDF数据表文档文件 |
LTC 455/450 Chip Ceramic Filters
TOKEN
Chip Ceramic Filters
for Communication
Surface Mount Ceramic Filters
for Communication (Murata CFUCG Compatible)
Preview
Token chip ceramic filters LTC455/450 U/W series for communication (Compatible to Murata CFUCG series)
comprises small, high performance, thin (4.0mm) consisting of 4 ceramic elements. Their innovative construction
is perfect for shrinking mobile communication products such as pocket pagers and cellular phones.
The surface mount LTC455/450 U/W series for AM use is one of the most recommendable intermediate filters,
having such distinctive features as high selectivity, high stability and adjustment-free operation. Additionally its
easy matching with IC helps create an easy circuit design.
With dimensions (7.5 x 6.0 mm) and 4.0 mm low profile, the LTC455/450 U/W filters have a small mounting
area enabling flexible PCB design and are suitable for automatic placers. Standard Center Frequency is 455kHz
with tolerance ±1.5 and 450kHz is also available. Pass Band Ripple (dB) max is 2db, Input / Output Impedance is
1000Ω and 1500Ω.
Custom parts are available on request. Token will also produce devices outside these specifications to meet
specific customer requirements, please contact our sales for more information.
Features
- They are slim, at only 4.0mm max. thickness, and have a small mounting area enabling flexible PCB design.
- Operating temperature range: -20°C to +80°C.
- Can be reflow soldered and withstand washing.
- The bandwidth ranges from D to G.
- Mountable by automatic placers.
01 of 03
rfq token.com.tw
http://www.token.com.tw/
LTC 455/450 Chip Ceramic Filters
TOKEN
Dimensions
①
③
②
②
④
①
455EU
7.5Max
① Input
6.5
6.5
7.5 Max
3.0 Max
455EW
③
① Input
③④ Ground
② Output
② Output
③ Ground
6.0
11.5
4.0 Max
5.5
4.0
Technical Characteristics
0
0
LTC455B
LTC455E
LTC455H
LTC455B
LTC455E
LTC455H
10
20
10
20
30
30
40
50
60
40
50
60
410
430
450 460
480
500
410
430
450 460
480
500
Frequency (KHz)
Frequency (KHz)
Insertion
Loss
(dB)
Spurious
Attenuation
fo±100kHz
(dB) min
40dB
Band
Width
(kHz)
min
50dB
Band
Width
(kHz)
min
Pass
Band
Ripple Width
(dB)
max
6dB
Band
Input
/
Output
Impedance
(Ω)
Center
Frequency
(fo)(kHz)
Part
Number
max
(kHz)
min
LTC
LTC
LTC LTC
455U 455W
LTC455U LTC455W
455U 455W
LTC
455BU
LTC
455BW
455±1.5
455±1.5
455±1.5
455±1.5
455±1.5
455±1.5
455±1.5
455±1.5
4
4
4
6
6
6
6
6
4
4
4
4
6
6
6
6
2
2
2
2
2
2
2
2
±15.0
±12.5
±10.0
±7.5
±30
±25
±20
±15
±12
±10
±9.0
±7.5
±30
±25
±20
±15
±12
±10
±9.0
±7.5
27
27
27
27
27
25
25
25
50
50
50
50
47
47
47
47
1000
1000
1500
1500
1500
1500
1500
1500
LTC
455CU
LTC
455CW
LTC
455DU
LTC
455DW
LTC
455EU
LTC
455EW
LTC
455FU
LTC
455FW
±6.0
LTC
455GU
LTC
455GW
±4.5
LTC
455HU
LTC
455HW
±3.0
LTC
LTC
±2.0
455IU
455IW
Note: Center frequency 450KHz is also available.
rfq token.com.tw
http://www.token.com.tw/
Version 2010
02 of 03
LTC 455/450 Chip Ceramic Filters
TOKEN
Test Circuit
LTC455□W
LTC455□U
R1
①
②
②
③
①
④
Rg
Rg
③
R2
R2
~
~
S.S.G
S.S.G
RF
V.M
RF
V.M
Rg+ R1= R2=Input/Output Impedance
Rg+ R1= R2=Input/Output Impedance
How to Order
LTC455BU
P
Part Number
Package
Back to 1st Page - Ceramic Filters for Communication - LTC 455/450
rfq token.com.tw
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03 of 03
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