2662H

HIGH FREQUENCY MAGNECTICS T1/E1 Single Through Hole Transformers • Operate as line-interface pulse transformers in DS1 and CEPT applications 2662B and 2662B2 contain specific interwinding insulation to minimize capacitance Winding (3-2) (2-1) is highly balanced; Inductance unbalance is 0.1%, max Only difference between the 2662B and 2662B2 is the terminal length; only difference between the 2662H and 2662H2 is the terminal length • • • • Operating Temperature Range: -40° to +85° C Meets IEC 695, 2-2 flammability requirements PWB Process Capability: Standard Printed Wiring Board assembly techniques, total-immersion cleaning Reliability testing: Shock, vibration, temperature cycling, temperature - humidity - bias Recommended transformer for new through-hole applications is 2745AF2 TM00154 • • • • ELECTRICAL SPECIFICATIONS AT 25° C Turns Ratio ±2% Part Number (3-1) : (6-4) 2662B 2662B2 2662H 2662H2 1CT : 2 CT 1CT : 2 CT 1 CT : 2 CT 1 CT : 2 CT (3-1) 3.5 3.5 3.5 3.5 (3-1) 4.0 4.0 4.8 4.8 Inductance mH min 1 DCR Ω max (6-4) 20.2 20.2 10.2 10.2 Leakage Inductance µH max2 (3-1) 7.0 7.0 7.0 7.0 Direct Capacitance pF (3-1) and (6-4) 40 max 40 max 90 typ 90 typ ET constant V-µs min (3-1) 48 48 48 48 Minimum Interwinding Breakdown Voltage Vrms 1000 1000 1500 1500 1. measured at 10 kHz, 0.1 Vac 2. measured at 100 kHz, 0.1 Vac SCHEMATIC 2662B 2662B2 2662H 2662H2 3 6 CT 2 5 CT 1 1 CT : 2 CT 4 ©2001 Bel Fuse Inc. Specifications subject to change without notice. 10.01 Bel Fuse Inc. 206 Van Vorst Street, Jersey City, NJ 07302 • Tel 201-432-0463 • Fax 201-432-9542 • www.belfuse.com T1-25 HIGH FREQUENCY MAGNECTICS TM00154 T1/E1 Single Through Hole Transformers MECHANICAL 2662B 2662H 2662B2 2662H2 0.36 (9.14) max 0.51 (12.95) max 0.36 (9.14) max 0.51 (12.95) max 0.45 (11.43) max 0.155 (3.94) 0.45 (11.43) max 0.015 (0.38) X 0.025 (0.63) (Phosphor bronze, solder coated) 4 3 5 2 6 1 0.150 (3.81) typ 0.110 (2.97) 0.015 (0.38) X 0.025 (0.63) (Phosphor bronze, solder coated) 0.200 (5.08) 0.200 (5.08) 4 3 5 2 6 1 0.150 (3.81) typ Unless otherwise specified, dimensions are nominal and in inches (millimeters). ©2001 Bel Fuse Inc. Specifications subject to change without notice. 10.01 CORPORATE Bel Fuse Inc. 206 Van Vorst Street Jersey City, NJ 07302 Tel 201-432-0463 Fax 201-432-9542 www.belfuse.com FAR EAST Bel Fuse Ltd. 8F / 8 Luk Hop Street San Po Kong Kowloon, Hong Kong Tel 852-2328-5515 Fax 852-2352-3706 www.belfuse.com EUROPE Bel Fuse Europe Ltd. Preston Technology Management Centre Marsh Lane, Suite G7, Preston Lancashire, PR1 8UD, U.K. Tel 44-1772-556601 Fax 44-1772-888366 www.belfuse.com T1-26