defining a degree of excellence ISDN TRANSFORMER 0554-3855-00 TM0019 Bel provides a new transformer. * Primary Inductance is 19µH minimum. * Isolation Voltage - 3000Vrms. bel Date Code 0554-3855-00 0.11MIN 2.77 MIN M E C H A N I C A L S BOTTOM VIEW TOP VIEW 5 1 inches Dimensions in (mm) Dimension tolerance +/- 0.01(0.25) unless otherwise stated Primary 1:2CT SCHEMATIC Secondary ELECTRICALS Primary Inductance Part Number OCL (µH) Min Pins (1-5) 0554-3855-00 19 2 Turns Ratio 4 6 DCR ohms (max) Pins Pins (1-5)=(2-4)=(4-6) (1-5):(2-6) 1:2CT 0.20 Coupling Isolation Leakage Inductance Capacitance Voltage (Vrms) (pF) Max (µH) Max 1 Min 60 60 3000 o Electricals @ 25 C. Primary Inductance is measured at 20 mVrms @ 100 KHz. Leakage Inductance and Coupling Capacitance is measured at 100KHz, 10mVrms. 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 T119 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