defining a degree of excellence ISDN TRANSFORMER 0553-0043-DC TM0016 Bel provides a new transformer to be used with the Echelon Lontalk applications. * Primary Inductance is 3.5 mH minimum. * Isolation Voltage - 1500Vrms. bel Date Code 0553-0043-DC 0.11MIN 2.77 MIN M E C H A N I C A L S BOTTOM VIEW TOP VIEW inches Dimensions in (mm) Dimension tolerance +/- 0.01(0.25) unless otherwise stated Primary SCHEMATIC Secondary ELECTRICALS Part Number 0553-0043-DC Primary Inductance OCL (µH) Min DCR ohms (max) Turns Ratio Pins (1-5) Pins (1-5):(2-6) 3.5 1CT:1CT Pins (1-5) 0.5 Pins (2-6) 0.5 Electricals @ 25 o C. Primary Inductance is measured at 20 mV @ 10 KHz.. Corporate Office Bel Fuse Inc. 198 Van Vorst Street, Jersey City, NJ 07302-4496 Tel: 201-432-0463 Fax: 201-432-9542 E-Mail: [email protected] Internet: http://www.belfuse.com Far East Office Bel Fuse Ltd. 8F/8 Luk Hop Street San Po Kong Kowloon, Hong Kong Tel: 852-2328-5515 Fax: 852-2352-3706 European Office Bel Fuse Europe Ltd. Preston Technology Management Centre Marsh Lane, Preston PR1 8UD Lancashire, U.K. Tel: 44-1772-556601 Fax: 44-1772-888366 T116