name: sheet: date: rhombus p/n: cust p/n: 15801 chemical lane, huntington beach, ca 92649 phone: (714) 898-0960 fax: (714) 896-0971 rhombus transformers & magnetic products industries inc. fscm no. 16714 sec pri 1 of 1 2/3/97 T-891 schematic diagram globespan parameter min. max. units primary inductance (1) 350 465 m h pins 1-4 with 2 & 4 shorted. leakage inductance (1) 10 m h interwinding capacitance (1) 25 pf primary dc resistance 0.9 ohms pins 1-3 or 2-4 secondary dc resistance 0.6 ohms pins 10-8, or 9-7 isolation (hi-pot) 3000 v rms dc bias 2 ma insertion loss 40 khz to 1.5 mhz 1.0 db insertion loss 30 khz to 2.0 mhz 3 db longitudinal balance -60 db 20 khz to 1 mhz thd -70 db nom. 45 vp-p @ 1.5 mhz thd -90 db nom. 15 vp-p @ 100 khz turns ratio ( + 3 % ) 1 : 1 1. tested at 100 khz & 100 mv physical dimensions inches (mm) radsl transformer reinforced insulation per en 41003/en 60950 this part is available in surface mount. add suffix "g" to part number. note: 10 pin bobbin with pin #5 & #6 removed. unused pins omitted
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