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 mechanical schematic racket-lite dimensions : inches mm unless otherwise specified, all tolerances are .010 0.25 tape & reel . . . . . . . . . . . . . . . . . 2000 /reel tray . . . . . . . . . . . . . . . . . . . . . . . . 100 /tray power rating . . . 30 ma max; 0.25 w max www.pulseeng.com 1 c203.d (1/10) rohs compliant part number impedance ratio 1 pri:sec turns ratio pri:sec (2%) bandwidth 2, 3 (mhz typ) insertion loss @ midband (db typ) schematic primary pins 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 1.5:1 ? ? 1?1000 0.20 d 3?6 cx2044lnl 1.5:1 1.5:1 ? 1.0?500 5?100 0.20 a 1?3 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 @ 25c ? operating temperature -40c to +85c rohs compliant part number impedance ratio 1 pri:sec bandwidth 2, 3 (mhz typ) schematic primary pins 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? suf? x to the part number, e.g. cx2041nl t , cx2163nl t . electrical specifications @ 25c ? operating temperature -40c to +85c 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 rf transformers transformers for wideband rf applications
cx2041nl cx2040lnl cx2043lnl cx2044lnl cx2045lnl cx2047lnl application notes a. bandwidth specifications for cx2040ln l and cx2047lnl are for a 50 system. b. materials used in the products are ul94-v0 recognized. products meet requirements of iec 695-2-2 (needle flame test). c. cx2038lnl , cx2039lnl , and cx2043lnl transformer configurations do not provide dc isolation between primary and secondary windings. d. for additional impedance ratios and frequency ranges, please contact pulse applications engineering. e. pick and place operation: smooth upper surface of device allows automatic pick and place. f. for availability of lead-free version of this product, please contact pulse. notes from tables 1. impedance and turns ratios are specified primary:secondary. (ct=center tap). 2. bandwidth is referenced to midband loss. 3. these transformers are verified to operate from -40c to +85c. contact pulse applications engineering for performance data. www.pulseeng.com 2 c203.d (1/10) 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 typical insertion loss @ 25 o c rf transformers transformers for wideband rf applications
cx2029nl cx2038lnl cx2039lnl www.pulseeng.com 3 c203.d (1/10) rf transformers transformers for wideband rf applications typical insertion loss @ 25 o c for more information: pulse worldwide headquarters 12220 world trade dr. san diego, ca 92128 u.s.a. www.pulseeng.com tel: 858 674 8100 fax: 858 674 8262 pulse europe zeppelinstrasse 15 d-71083 herrenberg germany tel: 49 7032 7806 0 fax: 49 7032 7806 135 pulse china headquarters b402, shenzhen academy of aerospace technology bldg. 10th kejinan rd. 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 rd. west shanghai 200336 china tel: 86 21 62787060 fax: 86 2162786973 pulse south asia 135 joo seng rd. #03-02 pm industrial bldg. singapore 368363 tel: 65 6287 8998 fax: 65 6287 8998 pulse north asia 3f, no. 198 zhongyuan rd. 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 w ithout 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.
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