e l e c t r o n i c s i n c . current sense transformers tel: (818) 892-0761 fax: (818) 894-5791 http://www.pca.com pca electronics, inc. 16799 schoenborn st. north hills, ca 91343 ? designed for switching supply-current sense applications ? optimal performance at 250 khz and above ? operating temperature : -25? to +105? ? ul1446 class b insulating system ? class b 130? insulation system ? ul94v0 recognized materials epc3108g-xxx product performance is limited to specified parameters. data is subject to change without prior notice. electrical parameters @ 25?c unless otherwise specified dimensions are in inches /mm ?.010 /.25 csc3108g-xxx rev. 2 1/11/07 rr inductance (? min.) @ 10 khz 3000 2000 1430 980 500 320 180 secondary dcr ( w max.) 7.70 6.20 5.30 4.75 2.50 1.35 1.00 6.0 6.0 6.0 6.0 6.0 6.0 6.0 primary (amps max.) 10 10 10 10 10 10 10 insulation resistance (meg w min.) pca part number epc3108g-125 epc3108g-100 epc3108g-85 epc3108g-70 epc3108g-50 epc3108g-40 epc3108g-30 turns ratio (pri. to sec.) 1:125 1:100 1:85 1:70 1:50 1:40 1:30 ? note : clamp cover is optional package recommended pad layout .063 (1.60) .047 (1.20) .098 (2.50) .073 (1.85) .051 (1.30) .118 (3.00) .106 (2.70) .020 (.500) .078 (2.00) .027 (.700) 3 2 1 5 6 4 8 7 .210 max. (5.33) .330 max. (8.50) copper plate .275 ?.015 (6.99 ?.381) .073 (1.85) 92.5 75.0 62.5 52.5 27.5 30.0 22.5 vt (v-?ec. max.) schematic 7 8 6 4 1:n application circuit g ipk isecondary vref d s n rt 1t power transformer current sense transformer v ref. = ipk rt/n
|
