HIGH FREQUENCY MAGNETICS T1/E1 Single Through Hole Shielded Transformers TM9916 • Designed for DS1, DS1C, and CEPT applications • Compatible with water-soluble flux, total-immersion cleaning and machine insertion • Electrostatic shield provides improved longitudinal signal suppression and EMI reduction • Qualified per Bellcore TR-TSY-000357-1 Meets IEC-695, 2-2 flammability requirements • Minimum interwinding breakdown voltage of 850 Vrms • ELECTRICAL SPECIFICATIONS at 25° C Turns Ratio ± 2% Primary Inductance* mH min Part Number DCR Ω max Leakage Inductance µH max Pri : Sec Pri Sec Interwinding Capacitance** pF max Non-Shielded Version 2741H2 1 : 1.36CT 0.92 2.5 0.83 1.43 5 2745CA2 2741G2 1CT : 2CT 3.15 6.5 1.9 4.4 5 2745AF2 * Measured at 10 kHz, 0.1 Vac ** With terminal 1 (shield) grounded SCHEMATICS 2741G2 2741H2 S 3 2 S 4 5 3 6 6 CT 2 7 4 1 Primary Secondary 7 Primary 1 5 Secondary ©1999 Bel Fuse Inc. Specifications subject to change without notice. 06.99 Bel Fuse Inc. 198 Van Vorst Street, Jersey City, NJ 07302 • Tel 201-432-0463 • Fax 201-432-9542 • www.belfuse.com T130 HIGH FREQUENCY MAGNETICS T1/E1 Single Through Hole Shielded Transformers TM9916 MECHANICAL 2741G2 2741H2 0.56 [14.22] max 0.35 [8.89] max 0.110 [2.79] 0.023 [0.584] Sq typ (Phosphor bronze, solder-coated) 0.100 [2.54] centers 5 6 7 8 4 3 2 1 0.46 [11.69] max 0.250 [6.35] Terminal 1 ID Note: Unless otherwise specified, dimensions are nominal and in inches [millimeters]. ©1999 Bel Fuse Inc. Specifications subject to change without notice. 06.99 CORPORATE FAR EAST EUROPE Bel Fuse Inc. 198 Van Vorst Street Jersey City, NJ 07302 Tel 201-432-0463 Fax 201-432-9542 www.belfuse.com 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 Bel Fuse Europe Ltd. Preston Technology Management Centre Marsh Lane, Suite F23, Preston Lancashire, PR1 8UD, U.K. Tel 44-1772-556601 Fax 44-1772-888366 www.belfuse.com T131