mouser stock no. 420-8809 telephone coupling transformer 8- 114219 date: 1-23-04 quality, speed, & service ( 800 ) 346-6873 http://www.mouser.com 420-8809 telephone coupling transformer .035 .003 .248 .019 .866 1.039 pin 1 dot (red) .956 max .006 * 1 700ts .005 * 2 500ts bottom view .141 .748 .039 2 ts mylar tape bobbin 2 ts .019 .009 .255 5 4 1 6 4 3 6 2 n2 n2 n1 pin 1 pin 3 pri sec 1 3 electrical specifications: impedance primary: 600 ? secondary: 1200 ? load ?impedance variation: +/-10% 1khz 0.25v series test ?dc resistance primary: 23 ? +/- 10% secondary: 30 ? +/- 10% ?insertion loss: 1.2 db max. at 1000hz ?frequency response: ?.5 db @ 300-3500hz; 1khz 0 db ?breakdown voltage: 1500vac 60hz hipot for 1 minute ?insulation resistance: >100m ? @ 500vdc dimensions (in.)
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