2791C BEL | Alldatasheet
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Bel Fuse Inc. 198 Van Vorst Street, Jersey City, NJ 07302 • Tel 201-432-0463 • Fax 201-432-9542 • www.belfuse.com MODEM MAGNETICS ©2000 Bel Fuse Inc. Specifications subject to change without notice. 05.00 TM00405 T4-11 V.90 Modem Transformer
- Provides isolation and balance while minimizing signal distortion and insertion loss in high-speed modem applications
- Designed to match a 600Ω line to a 374Ω load with no direct current in the windings
- Approved by UL and CSA
- Minimum interwinding breakdown voltage of 1000 Vrms
- Qualified per Bellcore TR-TSY -000357-1 SCHEMATIC ELECTRICAL SPECIFICATIONS at 25° C TYPICAL SPICE TRANMISSION MODEL 107 2.8 mH 114 20 pF18 H20 pF 60 k Primary Secondary traP rebmuN oitaRsnruT %2± noitresnI ssoL Bd ssoLnruteR Bd ycneuqerF esnopseR Bd RCD ΩΩΩΩΩ xam cinomraH noitrotsiD Bd lanidutignoL ecnalaB Bd zHk1@ zH0053-zH003 zHk4-zH002 irP ceS ,mBd01- zH006 zH0053-zH003 C19721 :1< 0.2> 52< 1.08 115 21< 48-> 06 2791C
Bel Fuse Inc.
198 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 MODEM MAGNETICS ©2000 Bel Fuse Inc. Specifications subject to change without notice. 05.00 TM00405 T4-12 V.90 Modem Transformer MECHANICAL 0.023 [0.58] Square, Phosphor Bronze, Solder-Coated 0.110 [2.79] 0.48 [12.19] max 0.69 [17.53] max 0.450 [11.43] 0.225 [5.72] Terminal 1 Identifier 0.275 [5.99] 0.550 [13.97] 0.71 [18.03] max Note: Unless otherwise specified, dimensions are nominal and in inches [millimeters]. 2791C