defining a degree of excellence T1 CARRIER INTERFACE TRANSFORMERS T1/CEPT Telecom Line Interface Applications TM0006 Bel provides transformer magnetics in several package and schematic variations for T1/CEPT Telecom Line Interface Applications. Bel's high quality semi-automated processes provide superior single small form, and standard dual transformers. * 2000 Vrms Isolation. * Primary Inductance is 1.20mH minimum. * Primary DCR is 0.80 ohms maximum. * Custom designs available upon request. ELECTRICALS Part Number A553-0013-00 A553-0013-01 A553-0013-03 A553-0013-05 A553-0013-06 A553-0013-07 A553-0013-08 0553-0013-IC 0553-0013-AC 0553-0013-BC 0553-0013-HC 0553-0013-1J 0553-0013-2J 0553-0013-4J 0553-0013-RC 0553-0013-SC 0553-1167-00 @ 25o C Turns Ratio (+/- 5%) 1:1.385CT/1:1:1 1CT:2CT/1:1 1:1.385CT/1:1CT Pins (1-2):(14:12) 1:1 (1-3):(14:12) 1.25:1 (5-7):(10:8) 1:2CT 1:2CT/1:2CT 1:1.15CT/1:2CT 1:1:1.266/1:2CT 1:1:1 1:1 1CT:1 1CT:2CT 1:2CT/1:2CT 1:2CT/1:1.36 1CT:2CT/1:1 1:1.15CT 1:1:1.266 1:1:1.266/1:2CT Leakage Inductance LL (uH) Max 0.80/0.50 0.80/0.50 0.80/0.50 0.50/0.50/0.80 0.80/0.80 0.50/0.80 0.80/0.80 0.50 0.50 0.50 0.80 0.80/0.80 0.80/0.80 0.80/0.50 0.50 0.80 0.50/0.60 Coupling Capacitance Cww (pF) Max 35 35 35 50 35 35 35 35 35 35 35 35 35 35 35 35 35/40 Sec DCR (ohms) Max #Pins on Package and Style Schem. 0.80 1.8/0.80 0.80/0.80 0.80/0.80/1.8 16 Topper 14 Topper 14 Topper 14 Topper A B C C 1.8/1.8 0.80/1.8 0.80/1.8 0.80 0.80 0.80 1.8 1.8/1.8 1.8/0.80 1.8/0.8 0.80 0.80 0.80/1.8 14 Topper 14 Topper 14 Topper 6 "T" Topper 6 "T" Topper 6 "T" Topper 6 "T" Topper 14 DIL 14 DIL 14 DIL 6 "T" Topper 6 "T" Topper 14 DIL C C C E F G K C D B G E C Schematic and Mechanical information for the above components are located on the facing page. Bel Fuse Inc. 198 Van Vorst Street, Jersey City, NJ 07302 • Tel: 201-432-0463 • Fax: 201-432-9542 • E-Mail: [email protected] Website: http://www.belfuse.com T105 defining a degree of excellence T1 CARRIER INTERFACE TRANSFORMERS TM0006 SCHEMATICS A Secondary 16 1 14 15 2 3 Primary 1 5 7 6 Secondary 14 8 1 12 13 2 Secondary 9 11 10 3 4 5 8 6 Secondary 12 11 10 2 3 D 4 5 Primary 9 8 14 6 7 1 Secondary E 5 6 3 4 1 2 7 13 3 2 4 Secondary 5 6 3 1 F C Secondary 12 11 10 5 9 8 6 7 Primary G 5 6 4 3 4 2 1 2 Primary MECHANICALS Package Style (14/16 Pins) 0.325(8.26) B Primary 13 Primary Primary 14 4 9 11 10 12 bel Date Code 0.29(7.37) Max Part Number 0.28(7.11) 0.10(2.54) 0.80(20.30) Max 0.20(5.08) 0.010(0.25) 0.12(3.05) Min 5 6 Note: 0553-1167-00 is missing pins 4 and 11, and is 0.80" long and 0.25" high from seating plane. 3 4 1 2 0.34(8.64) Cross Sectional View bel Date Code Part Number 0.018(0.46) Ref 0.045(1.14)Ref Note: For 14 Pin package, external package dimensions and pin distances are identical. There are only seven pins per side. Package Style “T” 0.35(8.89) Max K 1.00(25.40) Max Max 0.23(5.84) Max Package Style DIL 0.10(2.54) 0.50(12.70) Min 0.385(9.78) Max 0.20(5.08) MAX # 24 AWG Solder Plated 0.20(5.08) Min 0.30(7.62) 0.50(12.70) Max Note: For 0553-0013-BC the pin length is 0.120" +0.2/-0" 0.40(10.16) 0.25(6.35) Max 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 0.10(2.54) Dimensions are in inches(mm). Dimension Tolerance is +/- 0.02(0.51) unless otherwise specified. 0.20(5.08) 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 T106