defining a degree of excellence ISDN TRANSFORMERS T3 Applications TM0022 Bel provides a small footprint transformer for use in multiple applications. It is available in both through hole and "pick and place compatible" SMD packaging. 0.310 (7.87) Max MECHANICALS 0.325(8.26) Max bel Date Code 0554-3184-02 * High Reliability and Low Cost 0.210(5.33) Max 0.285 (7.24) Max 0.012(0.30)Max 0.008(0.20)Min 0.12(3.05) Min 0.10(2.54) 0.018(0.46) Ref 0.045(1.14) Ref 0.310 (7.87) Max bel 0.375(9.53) Date Code Max S554-3184-02 0.285(7.24) Max 0.375(9.53) Max 0.350(8.89) Min 0.200(5.08) Max 0.025(0.64)Max 0.015(0.38)Min 5o 0.10(2.54) SCHEMATIC Primary ELECTRICALS Part Number 0554-3184-02 S554-3184-02 0.018(0.46) +/- 0.002" 1 6 2 5 3 4 Dimensions are in inches (mm). Dimension tolerance +/- 0.01(0.25) unless otherwise stated. Secondary @ 25o C Inductance Leakage DC Resistance Turns Primary OCL DCR (ohms) Max Inductance Ratio Pins (µH) Min LL (µH) Max Pins (1-3) Pins (4-6) +/- 5% 1:2CT 1-3 40 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 0.12 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 0.2 0.3 Hipot Interwinding Capacitance (Vrms) Cww (pF) Max @1 Sec 10 1500 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 T122