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PE-65388NL Datasheet(PDF) 8 Page - Pulse A Technitrol Company |
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PE-65388NL Datasheet(HTML) 8 Page - Pulse A Technitrol Company |
8 / 9 page T608.U (05/12) 8 pulseelectronics.com T1/Cept/ISDN-PRI Transformers Notes From Tables (pages 1-6): A. Tolerance leakage inductance: .30 μH min to .55 μH MAX. B. OCL (primary inductance) and L (leakage inductance) are measured at the primary winding. Turns ratio is specified primary: secondary. (CT = Center Tap; CS = Split Center Tap). C. To make a 1CT:1 ratio from a 1CT: 2CT ratio, use only one half of the secondary (2CT) winding. D. For Reinforced 3 kVrms Dual SMT Transformers, refer to data sheet T617. For Octal SMT Transformers, refer to data sheet T622. E. Dual Ratio Transformers: These transformers have tapped secondary windings to provide two turns ratios (T/R). Use the entire primary winding and connect F. Standard packaging for surface mount “AN” and “LA” packages is ant-static tubes. Optional Tape & Reel packaging can be ordered by adding “T” suffix to the part number (i.e. PE-68864NLT). G. Safety Agency approvals pending. H. The turns ratio of these devices have been designed, in conjunction with semiconductor vendor recommendations, to allow connections to various terminations (e.g 75 Ω or 120 Ω with the same transformer). For 75 Ω termination, the PEB 2235 requires the following turns ratio: 1:1.57 (TX) and 1:1.26 (RX) which can be achieved using pins (1-2):(15-16) for TX and (10- 11):(5-8) for RX. For 120 Ω, the following turns ratio are required: 1:2 (TX) and 1:1 (RX), which are pins (1-2):(16-14) for TX and (9-11):(5-8) for RX. Part Number Turns Ratio 1 Secondary Pins Turns Ratio 2 Secondary Pins PE-65839NL 1:1 3-5 1:1.26 1 - 5 PE-68646NL 1:1.58 3-5 1:2 1 - 5 PE-65389NL 1:1 3-5 1:1.26 1 - 5 PE-68826NL 1:1 2-3 1:1.26 1 - 3 PE-68836NL 1:1 2-3/5-6 1:1.26 1 - 6 3/4 Electrical Specifications @ 25°C - Operating Temperature 0°C to 70°C Pulse Part Number Turns Ratio ( ±5%) OCL ( μH MIN) Package/Schematic PE-65554NL 1:1:1:1 24.0 IN/1 (ThroughHole) PE-65555NL 1:1:1:1 8.0 IN/1 (ThroughHole) PE-65854NL 1:1:1:1 47.0 SH/1 (Surface Mount) PE-65857NL 1:1:1:1 24.0 LA/2 (Surface Mount) Notes: For additional Common Mode Chokes, refer to data sheet G002 HIGH FREQUENCY COMMON MODE CHOKES, 4-LINES 0 -5 -10 -15 -20 -25 -30 1 MHz 10 MHz 100 MHz Frequency PE-65555NL PE-65854NL PE-65554NL PE-65857NL 18 2 7 3 6 4 5 1 3 6 4 5 1 8 2 7 2 Schematics Typical common mode attenuation for high-frequency common mode chokes based on a 100 Ω system. L |
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