PE-65793 PULSE | Alldatasheet
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T604.F (05/12) pulseelectronics.com ISDN S-Interface Transformers Meets pulse waveform template of CCITT I.430 when recommended transformer and chip pair are used Excellent longitudinal balance 2kVrms isolation voltage Available in tape and reel, tray or tube packaging Recognized by UL SC-1 Mechanical Schematic USA 858 674 8100 Germany 49 7032 7806 0 Singapore 65 6287 8998 Shanghai 86 21 62787060 China 86 755 33966678 Taiwan 886 3 4356768 Electrical Specifications @ 25°C - Operating Temperature 0°C to +70°C Part Number Ratio (±2%) OCL Pri (mH MIN) L Sec (μH MAX) Cw/w (pF MAX) CD Pri (pF MAX) DCR Pri (Ω ±25%) DCR Sec (Ω ±25%) IDC (mA MAX) Package / SchematicA B A & B A B A & B A B A B A B PE-65793 1:1 1:1 22 5 5 100 42 42 2.4 2.4 2.4 2.4 1 SC-1 PE-65795 1:2 1:2 22 15 15 100 80 80 4.3 4.3 4.3 4.3 1 SC-1 Dimensions: Unless otherwise specified, all tolerances are ± Inches mm .010 0,25 L Surface Mount, Dual, 2000 Vrms 916 PE-6579X Date Code Country of Origin .530 MAX13,46 .720 MAX18,29 .600 15,24 16X .030 0,76 .120 TYP3,05 .050 TYP1,27 .520 13,21 .760 19,30 .100 TYP2,54 .700 17,78 .004/0,10 16 SURFACES.010/.020 0,25/0,51 .122 3,10 .950 MAX24,13 .100 2,54 .390 MAX9,91 .040/.050 1,02/1,27 SUGGESTED PAD LAYOUT 16 13 14 23 1514 12 9 58 67 1110 PRI COIL A COIL B SEC
T604.F (05/12) pulseelectronics.com ISDN S-Interface Transformers Meets pulse waveform template of CCITT I.430 when recommended transformer and chip pair are used Excellent longitudinal balance 2kVrms isolation voltage Recognized by UL IS-1 ID-1 Mechanical Mechanical Schematic Schematic Electrical Specifications @ 25°C - Operating Temperature 0°C to +70°C Part Number Ratio (±2%) OCL Pri (mH MIN) L Sec (μH MAX) Cw/w (pF MAX) CD Pri (pF MAX) DCR Pri (Ω ±25%) DCR Sec (Ω ±25%) Isolation (VRMS MIN) IDC (mA MAX) Package / Schematic PE-64995NL 1CT:2CT 22 15 100 80 2.5 4.3 2000 1 SC-1 CC A A 2kV Isolation, Through Hole, Single Transformers Electrical Specifications @ 25°C - Operating Temperature -40°C to +125°C Part Number Turns Ratio DCR (mΩ MAX) Package / Schematic Equivalent Single Primary Pins Secondary Pins Equivalent Single Primary Pins Secondary Pins PE-65495NL 1:2 1-4 1-4 16-13 1:2 PE-64995NL 5-8 12-9 ID-1 Ratio Ratio L Through Hole, Single & Dual, 2000 Vrms .558 MAX14,20 PE-6499X DATE CODE .120 – .020 3,10 0,30 .400 10,20 .400 10,20 CL CL LEADS ARE 22 AWG SOLDERABLE .558 MAX14,20 .400 MAX10,20 2 5 PRI : SEC PRI SEC 16 13 14 23 15 14 12 9 58 67 1110 COIL A COIL B
T604.F (05/12) 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-65795T). 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
- General Information - The S-interface is the
circuit is presented in Figure 1. phantom power feeding to the terminal over the S-loop. Each end requires a transmit and a receive transformer. common mode noise (see note 5). agencies and are capable of passing surge voltage tests.
- Longitudinal Balance for Transformers - The
- 10kHz to 300kHz: 60dB minimum
- 300kHz to 1MHz: Minimum value decreasing 20dB/decade. (continued on next page) IC XMIT Sec : Pri RCV High Freq Choke IC RCV XMIT Low Freq Choke Low Freq Choke High Freq Choke S-INTERFACE Local Power DC Supply Pri : Sec NTTE Sec : Pri Pri : Sec
Figure 1. Typical ISDN S-Interface Application Circuit
- (continued from previous page) A recommended
- Impedance Requirements - The requirements for
and have a reasonable margin for measurement errors.
- Common Mode Chokes - The “high frequency” 4-wire
- A high inductance “low frequency” common mode
- Surge Voltage Capability for Transformers and
- Longitudinal Voltage Peak: 2,400V 10/700 μsec
- Metallic Voltage Peak: 800V 10/560 μsec 6. Behavior Under Fault Conditions - Telephony voltages may accidentally appear on the ISDN S-Interface line to the transformer. The transformer will withstand a DC current of 0.5 Amps for 15 minues without permanent damage. Such current may be cauased by the telephone central battery. The transformer will also survive ringing voltages. These are nominally 120V or 200V maximum at 20 to 60Hz, limited by 1500W resistive or 400 to 600W inductive limiting. These may cause peak currents. 7. Flammability - Materials used in the products are recognized UL94-VO. Products meet the requirements of IEC 695-2-2 (Needle Flame Test). Surface Mount, Dual, 2000Vrms Out HP-8751A Network Analyzer RB A VT EL ISM-1 Pri Sec Terminating Resistor ISM-1 = Wandel and Goltermann Signal Balance Ratio Bridge
Figure 2. Longitudinal Balance Test Circuit
T604.F (05/12) pulseelectronics.com ISDN S-Interface Transformers Designed for 4-wire links, ISDN-S/T and T1/E1/CEPT High frequency chokes for EMI reduction Low frequency chokes improve longitudinal balance in ISDN-S/T links Surface mount and through hole models available Electrical Specifications @ 25°C - Operating Temperature 0°C to +70°C Part Number OCL Pri (mH MIN) L Sec (μH MAX) Cw/w (pF MAX) DCR (W MAX) Isolation (VRMS MIN) Package / Schematic PE-65853NL 4.7 mH ±30% 1 60 1.20 500 PA-2/5C (Surface Mount) PE-65950NL 4.7 mH ±30% 1 50 1.00 500 IS-4/1C (Through Hole) PE-65554NL 24.0 μH MIN .20 15 0.30 500 IN-1/C (Through Hole) PE-65854NL 47.0 μH MIN .18 20 0.40 50 SH-4/C (Surface Mount) PE-65857NL 22.5 μH MIN .23 17 0.30 500 LA-1/C (Surface Mount) E E F L Low Frequency High Frequency Common Mode Chokes for Telecom Applications -10 -15 -20 -25 -30 Attenuation (dB)
1 MHz 10 MHz 100 MHz
3.0K 2.8K 2.6K 2.4K 2.2K 2.0K 1.8K 1.6K 1.4K 1.2K 800 600 400 200 Impedance (Ω) a 100 □ system. Typical impedance for high frequency common mode chokes based on a 100 □ system. 20K 18K 16K 14K 12K 10K Impedance (Ω)
100 KHz1 MHz 10 MHz
a 100 □ system. Typical impedance for low frequency common mode chokes based on a 100 □ system.
pulseelectronics.com ISDN S-Interface Transformers Common Mode Chokes for Telecom Applications T604.F (05/12) For More Information Pulse Worldwide Headquarters
12220 World Trade Drive
San Diego, CA 92128 U.S.A. Tel: 858 674 8100 Fax: 858 674 8262 Pulse Europe Einsteinstrasse 1 D-71083 Herren- berg Germany Tel: 49 7032 78060 Fax: 49 7032 7806 135 Pulse China Headquarters B402, Shenzhen Academy of Aerospace Technol- ogy Bldg. 10th Kejinan Road High-Tech Zone Nanshan District Shenzen, PR China 518057 Tel: 86 755 33966678 Fax: 86 755 33966700 Pulse North China Room 2704/2705 Super Ocean Finance Ctr.
2067 Yan An Road
Tel: 86 21 62787060 Fax: 86 2162786973 Pulse South Asia
135 Joo Seng Road
#03-02 PM Industrial Bldg. Singapore 368363 Tel: 65 6287 8998 Fax: 65 6287 8998 Pulse North Asia 3F, No. 198 Zhongyuan Road Zhongli City Taoyuan County 320 Taiwan R. O. C. Tel: 886 3 4356768 Fax: 886 3 4356823 (Pulse) Fax: 886 3 4356820 (FRE) Performance warranty of products offered on this data sheet is limited to the parameters specified. Data is subject to change without notice. Other brand and product names mentioned herein may be trademarks or registered trademarks of their respective owners. © Copyright, 2012. Pulse Electronics, Inc. All rights reserved. IN-1 IN-4 IN-1 SH-4 PA-2 Mechanicals Schematics 8765 1234 PE-XXXXX Date Code Country of Origin .595 MAX15,11 .480 MAX12,20 .130 – .010 3,30 – 0,25 .300 7,62 .100 2,54 CL CL .300 7,62 MAX C 1. Dimensions: Unless otherwise specified, all tolerances are ± 2. See page 3 for packaging information. Inches mm .010 0,25