HIGH FREQUENCY MAGNETICS Miniature Broadband Surface Mount Transformers • TM00150 Minimum interwinding breakdown voltage of 1500 Vrms ELECTRICAL SPECIFICATIONS at 25° C Part Number Turns Ratio ± 2% Primary Inductance1 µH min DCR Ω max Leakage Inductance µH max Pri : Sec Pri Sec Interwinding Capacitance pF typ 3 dB Operating Frequency Spectrum typ 2795AA 1:1 27 0.22 0.3 0.3 2.02 0.1 MHz - 100 MHz 2795E 1CT : 1 27 0.13 0.4 0.2 19 0.1 MHz - 100 MHz 2795S 1 : 1.15 32 0.15 0.2 0.2 40 0.1 MHz - 100 MHz 2795F 1CT : 1.75 373 0.10 0.3 0.25 13 0.1 MHz - 100 MHz 2795A 1:3 423 0.23 0.1 0.2 19 0.1 MHz - 100 MHz 1. Measured at 500 kHz, 0.5 Vac 2. With terminal 6 (shield) grounded 3. Secondary inductance SCHEMATICS 2795AA 5 S 2795A 4 2 3 4 8.3 75 6 1 Primary 6 2 Secondary Primary Secondary 2795E 2795F 3 1 5 2795S 4 3 1 6 2 5 4 5 2 6 Primary Secondary 1 Primary ©2000 Bel Fuse Inc. Secondary Specifications subject to change without notice. 05.00 Bel Fuse Inc. 198 Van Vorst Street, Jersey City, NJ 07302 • Tel 201-432-0463 • Fax 201-432-9542 • www.belfuse.com T1-117 HIGH FREQUENCY MAGNETICS Miniature Broadband Surface Mount Transformers TM00150 MECHANICAL 2795AA 2795A 2795E 2795F 2795S 0.240 [6.10] max 6 5 4 A 0.186 [4.72] 0.073 [1.85] 0.350 [8.90] max 0.265 [6.73] ref A 0.364 0.234 [9.25] [5.95] Terminal 1 ID 1 2 0.020 [0.51] 0.065 [1.65] 0.040 [1.02] 0.057 [1.45] No metallization or solder mask in cross-hatched designated area 3 0.073 [1.85] 0.033 [0.84] 0.265 [6.73] max 0.055 [1.40] Suggested PCB Pad Layout Note: Unless otherwise specified, dimensions are nominal and in inches [millimeters]. 0˚/8˚ 0.015 [0.40] Supplementary Information Operating Temperature Range Safety Agency Compatibility Surge Voltage Capability Metallic Voltage Longitudinal Voltage Flammability Compliance Qualification Compliance Simulation Model Surface-Mount Packaging Terminal Lead Coplanarity PWB Process Capability R 0.023 [0.60] –40° C to +85° C Underwriters Laboratories, Inc. UL 1459 10/700 µs; 10 repetitions of alternating polarity 2500 V peak generator output, 25Ω generator resistance 2500 V peak generator output, 25Ω generator resistance IEC-695, 2-2 (needle flame test), materials are UL 94 VO approved Bellcore TR-TSY-000357-1(shock, vibration, temperature cycling, temperature-humidity-bias) SPICE computer simulation file available on request Tape and Reel; 16 mm wide by 12 mm pitch; 13 inch OD; 4 inch ID 650 transformers per reel, maximum Meets ANSI/EIA 481-2 Carrier Tape Standards—JEDEC SO package 0.004 inch [0.10 mm] Standard printed-wiring board assembly and cleaning techniques Standard solder reflow techniques Machine placement (recommendation: locate by terminals, not body) ©2000 Bel Fuse Inc. Specifications subject to change without notice. 05.00 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 G7, Preston Lancashire, PR1 8UD, U.K. Tel 44-1772-556601 Fax 44-1772-888366 www.belfuse.com T1-118