rhombus transformers & magnetic products industries inc. name: sheet: date: rhombus p/n: cust p/n: 15801 chemical lane, huntington beach, ca 92649-1595 phone: (714) 898-0960 fax: (714) 896-0971 www.rhombus-ind.com 1 of 1 T-13633 08/30/99 t1/cept/isdn pri interface transformer reinforced insulation per en 41003/en 60950 physical dimensions in inches (mm) note: unused pins omitted turns ratio ( + 5% ) 1:1.26 * parameter min. max. units open circuit inductance 1.5 mh oscillation voltage = 100mv oscillation frequency = 100.0 khz leakage inductance 0.9 m h oscillation level = 100mv oscillation frequency = 1 mhz interwinding capacitance (c w/w ) 35 pf oscillation frequency = 1 mhz primary dc resistance 0.7 ohms secondary dc resistance 1.1 ohms isolation (hi-pot) 3000 v rms primary pins 10-6 * turns ratio: pins 10-6 : 3-5 = 1 : 1 10-6: 1-5 = 1 : 1.26 schematic diagram flammability: materials used in the production of these units meet requirements of ul94-vo and iec 695-2-2 needle flame test. temperature characteristics: -40 o c 900 m h min. (40% drop in inductance) +85 o c 1.7 mh min. (15% growth in inductance) typical part: 2.0 mh @ +25 o c 2.3 mh @ +85 o c 1.2 mh @ -40 o c parts shipped in anti-static tubes. 31 pieces per tube surface mount version of this part available. part# T-13633g
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