defining a degree of excellence T1/CEPT/ISDN-PRI TRANSFORMERS DUAL SURFACE MOUNT TM0002 Bel introduces a new ISDN TI/CEPT/ ISDN-PRI Transformer in a surface mount package Dual surface mount package contains both transmit and receive transformers. Models matched to leading transceiver chips. Provide 1500 Vrms Isolation. .475 (12.1) MAX 12 1 .100(2.54) TYP 10 9 8 7 12 10 9 8 7 3 4 5 6 10 9 8 7 4 5 6 12 4 1 bel YYWW .030(0.76) TYP PART NUMBER .085(2.16) 11 .675(17.2) MAX 1 2 3 4 5 6 1 12 11 10 9 8 7 12 2 7 6 2 .600 (15.3) MAX 1 2 3 .400 (10.2) MAX 5 4 6 1 2 3 12 11 10 9 7 6 .340(8.64) MAX 1 3 4 6 .004 .010/.020 (0.25/0.51) .040/.050 (1.01/1.27) ELECTRICALS SPECIFICATIONS @ 25O C Part Number S553-6500-03 S553-6500-05 S553-6500-06 S553-6500-07 S553-6500-08 S553-6500-09 Turns Ratio (pri:sec +/-5%) OCL 25O C (mH min) 1ct:1ct & 1ct:1ct 1ct:2ct & 1ct:2ct 1ct:2ct & 1:1.36ct 1:1.15ct & 1ct:2ct 1:1:1.266 & 1:2ct 2:2ct & 2:1 1.2 & 1.2 1.2 & 1.2 1.6 & 1.6 1.5 & 1.2 1.5 & 1.2 1.6 & 1.6 Cw/w (pf max) LL (uH max) 50 50 60 60 50 50 0.8 & 0.8 0.8 & 0.8 1.0 & 0.8 0.8 & 0.8 0.8 & 0.8 1.3 & 1.3 & & & & & & 50 50 50 50 60 40 At -40 dregee C, OCL is 600 uH min. for all low temp. models with the exception of S553-6500-09 which is 800 uH min.. All other parameters are specified at +25 degree C only. 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 T101 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 * Extended Temp. Range Models DRC PRI DRC SEC Sch (ohms max) (ohms max) Primary Pins 12-10,4-6 1.0 & 1.0 1 1.0 & 1.0 12-10,4-6 1.0 & 1.0 1 1.7 & 1.7 12-10,4-6 1.5 & 1.5 2 2.0 & 1.7 12-10,4-6 1.0 & 1.0 4 1.0 & 1.7 12-10,4-6 1.0 & 1.0 5 1.1 & 1.7 1-3,4-6 1.1 & 1.1 6 1.1 & 0.7 *Extented temp. range is -40 C to +85 C 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