SAW Devices(SAW Duplexers) SAW Duplexers Type: EFSD첸첸첸첸J첸첸첸 EFSD첸첸첸첸K첸첸첸 SAW Duplexer for Cellular Telephone which incorporates highly-precise interdigited electrodes achieves low insertion loss, high selectivity. And unique electrode material achieves high power durability thus the duplexer has wide applications to antenna duplexer circuits for cellular telephones. ■ Features ● Stable against severe conditions of vibration and shock thanks to the unique monolithic construction of the filter ● Low insertion loss and excellent selectivity ● Contributes to circuit simplification and adjustment free ● Saves the hight on PC board ■ Recommended Applications ● The antenna duplexer for cellular telephone ■ Explanation of Part Numbers 1 2 3 4 5 6 7 8 9 10 E F S D 8 3 6 M J 1 11 12 Design No. Product Code EFSD SAW Duplexer Nominal Center Frequency 836M 836/881 MHz 897M 897/942 MHz 1950 1950/2140 MHz J1 J2 K1 K2 Package 2.5҂2.0 mm 2.5҂2.0 mm 2.5҂2.0 mm 2.5҂2.0 mm Design and specifications are each subject to change without notice. Ask factory for the current technical specifications before purchase and/or use. Should a safety concern arise regarding this product, please be sure to contact us immediately. Mar. 2010 SAW Devices(SAW Duplexers) ■ Ratings and Characteristics Part No. System Nominal Center Frequency Input/Output Impedance Size Package EFSD836MJ1첸첸 CDMA UMTS Band V 836.5/881.5 MHz UB-UB(50 액-50 액) 2.5҂2.0 mm J UMTS Band I 1950/2140 MHz UB-UB(50 액-50 액) 2.5҂2.0 mm J UMTS Band VIII 897.5/942.5 MHz UB-UB(50 액-50 액) 2.5҂2.0 mm K EFSD836MJ2첸첸 EFSD1950J1첸첸 EFSD1950J2첸첸 EFSD897MK1첸첸 EFSD897MK2첸첸 ✽ UB : Unbalance, B : Balance ■ Dimensions in mm (not to scale) J type K type 0.90 0.90 0.50 max. 0.95 max. 0.100 8-0.400 8-0.400 4-0.55 8-0.40 0.100 0.100 0.100 4-0.55 8-0.40 2.0±0.10 2.5±0.10 2.0±0.10 2.5±0.10 Design and specifications are each subject to change without notice. Ask factory for the current technical specifications before purchase and/or use. Should a safety concern arise regarding this product, please be sure to contact us immediately. Mar. 2010 SAW Devices(SAW Duplexers) ■ Packaging Methods (Taping) ● Minimum Quantity / Packing Unit Part Number Packaging Style Quantity Packaging Quantity in Carton Carton Dimensions in mm (L҂W҂H) EFSD첸첸첸첸J첸첸첸 Embossed Carrier Taping 2000 pcs./reel 10000 pcs. 230×220×73 EFSD첸첸첸첸K첸첸첸 Embossed Carrier Taping 2000 pcs./reel 10000 pcs. 230×220×73 ● Embossed Carrier Taping φD0 P2 B F W P0 E t1 t2 A P1 J type Symbol W F E P0 P1 P2 D0 t1 t2 A B Dim. (mm) 8.0±0.2 3.50±0.05 1.75±0.10 4.0±0.1 4.0±0.1 2.00±0.05 φ1.50+0.1 –0 0.25±0.05 1.10±0.10 2.3±0.1 2.8±0.1 K type Symbol W F E P0 P1 P2 D0 t1 t2 A B Dim. (mm) 8.0±0.2 3.50±0.05 1.75±0.10 4.0±0.1 4.0±0.1 2.00±0.05 φ1.50+0.1 –0 0.25±0.05 0.70±0.10 2.3±0.1 2.8±0.1 ● Taping Reel J, K type E Symbol W D A B C D E Dim. (mm) φ178±3 φ60.0±1.0 φ13.0±0.5 φ21.0±1.0 2.0±0.5 W t 9.0±1.0 max. 3 B C A t Design and specifications are each subject to change without notice. Ask factory for the current technical specifications before purchase and/or use. Should a safety concern arise regarding this product, please be sure to contact us immediately. Mar. 2010