http://www.murata.com/ data sheet ! note: 1. this datasheet is downloaded from the website of murata manufacturing co., ltd. therefore, it?s specifications are subject t o change or our products in it may be discontinued without advance notice. please check with our sales representatives or product engineers bef ore ordering. 2. this datasheet has only typical specifications because there is no space for detailed specifications. therefore, please appr ove our product specifications or transact the approval sheet for product specifications before ordering. 1 o this data sheet is applied for micro chip transformer used for general electronics equipment for your design. 2009.9.10 inductors(coils)/microchip transformer > balun > wire wound type 2.0 0.2 (0.4) (0.4) 1.2 0.2 1.2 0.2 (0.45) (0.45) (1) (2) (3) (4) (0.17) (in mm) (1) (2) (3) (4) : unbalance port : balance port : gnd : electrode (1) (4) (2) unbalanced balanced 1 balanced 2 (3) no polarity. balun wire wound type dxw21b series (0805 size) dimensions equivalent circuit packaging code packaging minimum quantity l 180mm embossed tape 2000 b bulk(bag) 500 rated value ( p : packaging code) part number frequency range port impedance insertion loss at freq. range (max.) cmrr at freq. range (min.) rated power operating temperature range dxw21bn7511s p 1ghz to 1.5ghz 75 ohm 75 1.4db 20db 27dbm -40 to +85 c dxw21bn7511t p 50mhz to 870mhz 75 ohm 75 1.0db 20db 27dbm -40 to +85 c -3 -2.5 -2 -1.5 -1 -0.5 0 1000 1200 1400 1600 1800 2000 frequency (mhz) insertion loss (db) 20 25 30 35 40 45 1000 1200 1400 1600 1800 2000 frequency (mhz) cmrr (db) only for reflow soldering. insertion loss characteristics dxw21bn7511s cmrr characteristics dxw21bn7511s continued on the following page.
continued from the preceding page. http://www.murata.com/ data sheet ! note: 1. this datasheet is downloaded from the website of murata manufacturing co., ltd. therefore, it?s specifications are subject t o change or our products in it may be discontinued without advance notice. please check with our sales representatives or product engineers bef ore ordering. 2. this datasheet has only typical specifications because there is no space for detailed specifications. therefore, please appr ove our product specifications or transact the approval sheet for product specifications before ordering. 2 o this data sheet is applied for micro chip transformer used for general electronics equipment for your design. 2009.9.10 0 1 2 3 4 5 6 insertion loss (db) frequency (mhz) 1000 100 50 2000 40 30 20 45 35 25 cmrr (db) frequency (mhz) 1000 100 50 2000 inductors(coils)/microchip transformer > balun > wire wound type insertion loss characteristics dxw21bn7511t cmrr characteristics dxw21bn7511t ! caution (rating) do not use products beyond the rated current and rated voltage as this may create excessive heat and deteriorate the insulation resistance. notice solderability of tin plating termination chip might be deteriorated when low temperature soldering profile where peak solder temperature is below the tin melting point is used. please confirm the solderability of tin plating termination chip before use. ! caution/notice
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