RF TRANSFORMERS Transformers for Wideband RF Applications RoHS peak reflow temperature rating: 245°C° Miniature surface mount package Various impedance ratios available Excellent insertion loss Ideal for Balanced-to-Unbalanced applications Products from 0.05 to 1900 MHz bandwidth Electrical Specifications @ 25°C — Operating Temperature -40°C to +85°C 2, 3 Bandwidth RoHS Turns Ratio Insertion Loss 1 Impedance Ratio (MHz TYP) Compliant Pri:Sec @ Midband Schematic Primary Pins Pri:Sec Part Number (±2%) (dB TYP) 3 dB 2 dB 1 dB CX2041NL 1:1CT 1:1CT 0.05–450 0.75–300 0.10–200 0.60 B 4–6 CX2040LNL 1:1 1:1 1.5–500 2.5-400 5–350 0.90 A 4–6 CX2043LNL 1.5:1 — — 1–1000 0.20 D 3–6 √1.5:1 CX2044LNL 1.5:1 — 1.0–500 5–100 0.20 A 1–3 √1.5:1 CX2045LNL 1:2CT 1:1.414CT — — 3–300 0.80 B 4–6 CX2047LNL 1:4CT 1:2CT — 0.5–300 1.5–100 0.24 B 4–6 CX2049LNL 1:8CT 1:2.83CT .25–500 0.3–400 0.5–200 1.16 B 4–6 CX2029LNL 36:1CT 6:1CT 0.05–21 — — 0.40 B 4–6 CX2163LNL 1:1 1:1 800–1900 — 900-1400 1.50 E 1–3 Electrical Specifications @ 25°C — Operating Temperature -40°C to +85°C 2, 3 Bandwidth RoHS 1 Impedance Ratio (MHz TYP) Compliant Schematic Primary Pins Pri:Sec Part Number 2 dB 1 dB CX2038LNL 75 :75  Up to 1500 4.5–1000 C 4–6 CX2039LNL 50 :50  Up to 1500 4.5–1000 C 4–6 NOTE: Optional Tape & Reel packaging can be ordered by adding a “T” suffi x to the part number, e.g. CX2041NLT, CX2163NLT. Mechanical Schematic RACKET-LITE Tape & Reel . . . . . . . . . . . . . . . . . 2000 /reel Tray . . . . . . . . . . . . . . . . . . . . . . . . 100 /tray Power Rating . . . 30 mA MAX; 0.25 W MAX Inches Dimensions: mm .010 Unless otherwise specified, all tolerances are ± 0.25 USA 858 674 8100 Germany 49 7032 7806 0 Singapore 65 6287 8998 Shanghai 86 21 32181071 China 86 755 33966678 Taiwan 886 3 4643715 www.pulseeng.com 1 C203.D (1/10) RF TRANSFORMERS Transformers for Wideband RF Applications Notes from Tables 1. Impedance and turns ratios are specified primary:secondary. 3. These transformers are verified to operate from -40°C to +85°C. (CT=Center Tap). Contact Pulse Applications Engineering for performance data. 2. Bandwidth is referenced to midband loss. Application Notes A. Bandwidth specifications for CX2040LNL and CX2047LNL are for a D. For additional impedance ratios and frequency ranges, please contact 50 Ω system. Pulse Applications Engineering. E. Pick and place operation: smooth upper surface of device allows B. Materials used in the products are UL94-V0 recognized. Products meet requirements of IEC 695-2-2 (Needle Flame Test). automatic pick and place. F. For availability of lead-free version of this product, please contact Pulse. C. CX2038LNL, CX2039LNL, and CX2043LNL transformer configurations do not provide DC isolation between primary and secondary windings. Typical Insertion Loss @ 25ºC CX2041NL CX2040LNL CX2043LNL CX2044LNL CX2045LNL CX2047LNL USA 858 674 8100 Germany 49 7032 7806 0 Singapore 65 6287 8998 Shanghai 86 21 32181071 China 86 755 33966678 Taiwan 886 3 4643715 www.pulseeng.com 2 C203.D (1/10) RF TRANSFORMERS Transformers for Wideband RF Applications Typical Insertion Loss @ 25ºC CX2029NL CX2038LNL CX2039LNL For More Information: Pulse Worldwide Pulse Europe Pulse North China Pulse South Asia Pulse China Headquarters Pulse North Asia Headquarters Zeppelinstrasse 15 B402, Shenzhen Academy of Room 2704/2705 135 Joo Seng Rd. 3F, No. 198 12220 World Trade Dr. D-71083 Herrenberg Aerospace Technology Bldg. Super Ocean Finance Ctr. #03-02 Zhongyuan Rd. San Diego, CA 92128 Germany 10th Kejinan Rd. 2067 Yan An Rd. West PM Industrial Bldg. Zhongli City U.S.A. Shanghai 200336 Singapore 368363 High-Tech Zone Taoyuan County 320 China Nanshan District Taiwan R. O. C. www.pulseeng.com Shenzen, PR China 518057 Tel: 886 3 4356768 Tel: 858 674 8100 Tel: 49 7032 7806 0 Tel: 86 755 33966678 Tel: 86 21 62787060 Tel: 65 6287 8998 Fax: 886 3 4356823 (Pulse) Fax: 858 674 8262 Fax: 49 7032 7806 135 Fax: 86 755 33966700 Fax: 86 2162786973 Fax: 65 6287 8998 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, 2010. Pulse Engineering, Inc. All rights reserved. www.pulseeng.com 3 C203.D (1/10)