PRODUCT DATA SHEET ULTRA LOW DISTORTION MICROPROFILE P3181 SMD LINE MATCHING TRANSFORMER Features Applications Surface Mount V.90 and V.92 (56kbps) modems Lead-free (Pb-free) Portable computers Ultra low distortion Fax/Modems RoHS compliant 7mm seated height Vacuum encapsulated IEC 60950 and UL 60950 certified UL Recognized Component DESCRIPTION P3181 is an ultra-low distortion microprofile P3181 incorporates patented innovative features transformer for applications where high performance which enable data rates of 56kbps to be and safety isolation to international standards are achieved. required in an extremely small case size. P3181 is certified to IEC 60950 and UL 60950. Designed specifically as a surface mount device, the P3181 is a UL Recognized Component, and is P3181 features a 7mm seated height and is offered supported by an IEC CB Test Certificate. in the same package as the now familiar P2781 and P3081. The part is compliant with RoHS Directive 2002/95/EC, and suitable for lead-free and conventional placement and reflow. Despite the subminiature size, the performance is superior to that of much larger components. The P3181 offers reinforced insulation, is ideal for data communications at very high data rates, and can be matched to both 600 and complex impedance telephone lines. Patented ETALDOC 567/13 Page 1 of 5 October 2007 P3181 SPECIFICATIONS Electrical At T = 25C and as circuit Fig. 2 unless otherwise stated. Parameter Conditions Min Typ Max Units Frequency response 30Hz - 4kHz - - 0.2 dB Return Loss 200Hz - 4kHz 16 - - dB Third Harmonic 150Hz -10dBm in line - -90 - dBm (1) (3) Distortion Balance DC - 5kHz 80 - - dB Method TG25 Voltage 50Hz 3.88 - - kVrms (2) DC 5.5 kV Isolation Operating range: Ambient temperature Functional - C -25 +85 (4) - C Storage -40 +125 - %R.H. Humidity - 95 Lumped equivalent circuit parameters as Fig. 1 (3) DC resistance , R Pins 4-6 200 - 250 DCP R Pins 1-3 220 - 280 DCS - 10.8 - mH Leakage inductance, L Shunt inductance, Lp 10mV 200Hz 4.7 - - H Shunt loss, Rp 10mV 200Hz 14 - - k Notes 1. Third harmonic typically exceeds other Equivalent Circuit harmonics by 10dB. Fig. 1 2. Components 100% tested at 6.5 kVDC. 3. Caution: Passing DC through windings will permanently increase distortion. IDEAL L R L R Telephone line current, etc. must be diverted 1:1.1 using semiconductor line hold circuit. 4. Excludes shipping materials. Components are dry packed and sealed as shipped. Handle in accordance with IPC/JEDEC J-STD-033 procedure for components classified as IPC/JEDEC J-STD-020 Moisture Sensitivity Level 5a. Patented ETALDOC 567/13 Page 2 of 5 October 2007