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ST5421 数据表(PDF) 3 Page - Pulse A Technitrol Company |
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ST5421 数据表(HTML) 3 Page - Pulse A Technitrol Company |
3 / 7 page T604.F (05/12) 3 pulseelectronics.com ISDN S-Interface Transformers Transformer Selection & Packaging IC Manufacturer IC Part Number Dual Surface Mount Single Through Hole, 2 kVRMS Dual Through Hole TX & RX TX RX TX & RX AT&T/Lucent T7903 PE-65795 PE-64995NL PE-64995NL PE-65495 Mietec MTC-2072 PE-65795 PE-64995NL PE-64995NL PE-65495 Mitel MT8930 PE-65795 PE-64995NL PE-64995NL PE-65495 MC145474/145475 MC145574 National TP3420/34221 PE-65795 PE-64995NL PE-64995NL PE-65495 SGS Thomson ST5420, ST5421 PE-65795 PE-64995NL PE-64995NL PE-65495 PEB 2080/2081/2085 Siemens PSB 2186 PE-65795 PE-64995NL PE-64995NL PE-65495 PEB 2084/2086 Yamaha 7405B PE-65795 PE-64995NL PE-64995NL PE-65495 Notes: A. In this catalog, turns ratio is expressed as “primary:secondary”. The term “CT” designates a center tapped winding. A center tapped winding can be created by connecting two ends of a split center winding together on the printed circuit board. In ISDN-S applications, the primary winding is the line side transformer winding. B. The minimum primary inductance and the maximum distributed capacitance satisfy the transmistter output and receiver input impedance requirements of CCITTI I.430 for both the TE and the NT. The maximum distributed capacitance allows sufficient margin for the capacitance of the IC and a protection diode network. It is consistent with the overall maximum value specified and the permitted length of the basic access TE cord. C. The maximum specified unbalanced DC current capability is based on 20 mH minimum primary OCL D. National recommends a 1:2 receive transformer, but used as a 1:1 ratio by connectin only half the secondary winding. See National’s application note. E. PE-65950 and PE-65853 are recommended for use with Siemens PEB 2080/2085 and help in meeting the required longitudinal balance. F. Standard packaging for all chokes and transformers listed in this catalog is anti-static tubes. Optional anti-static tray packaging can be ordered for the surface mount SC-1 and LA-1 packages by adding an “ R” suffix to the part number, (ie: PE-65795R). Optional tape and reel packaging can be ordered for all surface mount packages by adding a “ T” suffix to the part number, (ie: PE-65795 T). G. For PE-65854, OCL at -40C is 27 H minimum. For maximum performance, using windings (1-8) and (2-7) as a pair and windings (3-6) and (4-5) as a pair. H. For transformers and choke modules, refer to data sheet T632. PE-65795 - - PE-65495 Packaging Information Package Type Part Weight Parts/Tube Parts/Tray Parts/Reel Reel Diameter Tape Width Pitch LA-1 SMT 2.0 Grams 30 60 250 13 Inches 24 mm 24 mm SC-1 SMT 7.0 Grams 20 50 150 13 Inches 44 mm 24 mm ID-1 THT 7.0 Grams 20 - - - - - IS-1 THT 4.0 Grams 35 - - - - - F D Motorola |
类似零件编号 - ST5421 |
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类似说明 - ST5421 |
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