SMT POWER TRANSFORMER Matched to Linear Technology Chipset DC/DC converter for use with Linear Technology LTC 1535 isolated RS485 transceiver Compact and cost-effective industrial design: EP7 format 500Vrms isolation Electrical Specifications @ 25°C — Operating Temperature -40°C to +125°C Part Number P1597 P1597NL Turns Ratio OCL (@ 25°C) (µH ±30%) 1:1.35:1.35 1:1.35:1.35 578 578 LL (@100kHz/100 mV) (µH MAX) 0.35 0.50 Isolation Voltage (Vrms) Mounting 500 2000 SMT SMT NOTE: Add suffix "T" to part number for Tape & Reel package (i.e. P1597T or P1597NLT). Mechanical Schematic P1597 / P1597NL .028 ± .002 0,70 ± 0,05 1 .512 13,00 MAX .098 2,50 3 P1597 / P1597NL Date Code Country of Origin 6 .197 5,00 6 5 4 3 .079 2,00 4 .098 2,50 1 .531 13,50 .047 1,20 .453 11,50 MAX Weight . . . . . . . . . . . . . .1.8 grams Tape & Reel . . . . . . . . . . . .350/reel Tube . . . . . . . . . . . . . . . . . .80/tube Dimensions: Inches mm Unless otherwise specified, all tolerances are ± .004 0,10 .354 9,00 MAX .339 8,60 .417 ± .006 10,60 ± 0,15 For More Information: Pulse Worldwide Headquarters Pulse Europe 12220 World Trade Dr. San Diego, CA 92128 U.S.A. www.pulseeng.com Einsteinstrasse 1 D-71083 Herrenberg Germany Tel: 858 674 8100 Fax: 858 674 8262 Tel: 49 7032 7806 0 Fax: 49 7032 7806 12 Pulse China Headquarters Pulse North China Pulse South Asia Pulse North Asia B402, Shenzhen Tech-Innovation International Tenth Kejinan Rd. High-Tech Industrial Park Nanshan District, Shenzhen China Tel: 86 755 33966678 Fax: 86 755 33966700 Room 1503 XinYin Building No. 888 YiShan Rd. Shanghai 200233 China 150 Kampong Ampat #07-01/02 KA Centre Singapore 368324 No. 26 Kao Ching Rd. Yang Mei Chen Tao Yuan Hsien Taiwan, R. O. C. Tel: 86 21 54643211/2 Fax: 86 21 54643210 Tel: 65 6287 8998 Fax: 65 6280 0080 Tel: 886 3 4641811 Fax: 886 3 4641911 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, 2007. Pulse Engineering, Inc. All rights reserved. www.pulseeng.com P534.C (11/07)