LT455IU

TOKEN LT 455/450 U/W Ceramic Filters Ceramic Filters for Communication Token Ceramic Filters to Address the G.D.T. Characteristics for Communication (Murata CF, SF Compatible) Preview Token ceramic filters for communication LT 455/450 U/W series are 4-element and 6-element devices connected in ladder form. These highly selective filters are designed to address the G.D.T. characteristics required in digital communications. The excellent G.D.T. characteristics allow these filters to be utilized in areas such as the mobile cellular markets as well as a variety of stereo applications. (Also available in 450kHz version.) 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. Benefit Features : - LT455 EU Dimensions: (7.0 x 8.0 x 8.0 mm). - LT455 EW Dimensions: (7.0 x 11.0 x 8.0 mm). - Center frequency: 450kHz, 455kHz. - Pass Band Ripple (dB) max: 2 db. - Insertion Loss (dB) max: 4 db, 6 db. - Input / Output Impedance: 1000Ω ~ 2000Ω. Version 2010 http://www.token.com.tw/ rfq token.com.tw 01 of 03 TOKEN Dimensions 0.8 L4 LT 455/450 U/W Ceramic Filters 2.7 2.9 2.9 2.6 7.0 55 EU 7.0 8.0 4.3 ②① ③ ① 4.0 ① Input ② Ground ③ Output ① ② L4 8.0 11.0 0.8 55 8.0 ④③②① ⑤ ① Input ②③④ Ground ⑤ Output ③ ④ Technical Characteristics 0 (dB) Attenuation (dB) Attenuation 10 20 30 40 50 60 410 LT455BU LT455EU LT455HU 0 10 20 30 40 50 60 410 4.0 ③ ② ⑤ LT455BW LT455EW LT455HW 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 Frequency (KHz) Spurious 40dB 50dB Input Attenuation Band Band / fo±100kHz Width Width Output (dB) min (kHz) (kHz) Impedance max max (LT (LT (Ω) (LT455U) (LT455W) 455 U) 455 W) Part Number LT455AU LT455BU LT455CU LT455DU LT455EU LT455FU LT455GU LT455HU LT455IU LT455HTU LT455AW LT455BW LT455CW LT455DW LT455EW LT455FW LT455GW LT455HW LT455IW LT455HTW 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 28 28 28 28 28 28 28 28 28 35 40 40 40 40 40 40 40 40 40 60 Note: Center frequency 450kHz is also available. 02 of 03 http://www.token.com.tw/ rfq token.com.tw Version 2010 4.3 EW 1000 1500 1500 1500 1500 2000 2000 2000 2000 2000 TOKEN Test Circuit R1 ① ② R2 ③ LT455U LT 455/450 U/W Ceramic Filters R1 Rg RF V.M ① ② ⑤ ④ R2 RF V.M LT455W Rg ~ ③ S.S.G ~ S.S.G Rg+ R1= R2=Input/Output Impedance Rg+ R1= R2=Input/Output Impedance How to Order LT455BU   Part Number  Package P  Back to 1st Page - Ceramic Filters for Communication - LT 455/450 U/W Version 2010 http://www.token.com.tw/ rfq token.com.tw 03 of 03