RF TRANSFORMERS Transformers for Wideband RF Applications RoHS peak reflow temperature rating: 245C 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 25C Operating Temperature -40C to +85C 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 0.05450 0.75300 0.10200 0.60 B 46 CX2040LNL 1:1 1:1 1.5500 2.5-400 5350 0.90 A 46 CX2043LNL 1.5:1 11000 0.20 D 36 1.5:1 CX2044LNL 1.5:1 1.0500 5100 0.20 A 13 1.5:1 CX2045LNL 1:2CT 1:1.414CT 3300 0.80 B 46 CX2047LNL 1:4CT 1:2CT 0.5300 1.5100 0.24 B 46 CX2049LNL 1:8CT 1:2.83CT .25500 0.3400 0.5200 1.16 B 46 CX2029LNL 36:1CT 6:1CT 0.0521 0.40 B 46 CX2163LNL 1:1 1:1 8001900 900-1400 1.50 E 13 Electrical Specifications 25C Operating Temperature -40C to +85C 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 4.51000 C 46 CX2039LNL 50 :50 Up to 1500 4.51000 C 46 NOTE: Optional Tape & Reel packaging can be ordered by adding a T suf 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 -40C to +85C. (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 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 25C 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)