50 schoolhouse lane portsmouth, ri 02871 tel (401) 683-9700 fax (401) 683-5571 e-mail: ims@ims-resistors.com http://www.ims-resistors.com partial wraparound thick film chip resistors for high frequency applications features thick film technology partial wraparound platinum silver, platinum silver with solder coating, platinum gold with solder coating resistance values from 10 ? ? ? ? ? to 2k ? ? ? ? ? tolerances to 1% tcr to 100 ppm/ o c usable to beyond 40 ghz (size dependent) p artial w raparound the ims rcx pw line of partial wrap surface mount chip resistors is ideally suited for applications requiring high frequency performance from a miniature surface mounted chip resistor. the x designation in each series is a variable that allows for specifying the termination metalization. please see the ordering information on the back for instructions. the device is designed to be mounted face down on the circuit board or hybrid substrate allowing resistor element placement within the same plane as the rest of the circuit. this placement minimizes the effects of the wraparound that would normally be seen in a typical surface mount arrangement. two frequency response curves of the rcc-0502pw are included here to illustrate the flatness of the response of ims partial wrap devices. measurements were taken at 50 ? and 130 ? covering the span that these devices are usually specified within. the response does not change appreciably at different resistance values. similar response can be expected from other size resistors within the pw series and within the resistance range for the respective size. terminations partial wraparound termination -3 ptag (not available in 0302pw) -c ptag with 62/36/2 solder coating (not available in 0302pw) -d ptau with 62/36/2 solder coating (0302pw only) 5 10 15 20 25 30 frequency ghz resistance, ohms 100 90 80 70 60 50 40 30 20 10 0 frequency response of 50 ? resistors from 2 ghz to 26.5 ghz 5 10 15 20 25 30 frequency ghz resistance, ohms 250 225 200 175 150 125 100 75 50 25 0 frequency response of 130 ? resistors from 2 ghz to 26.5 ghz -p ptag with 96/4 solder coating (not available in 0302pw) -4 ptau (0302pw only)
50 schoolhouse lane portsmouth, ri 02871 tel (401) 683-9700 fax (401) 683-5571 e-mail: ims@ims-resistors.com http://www.ims-resistors.com specifications ordering information rc3 rcc rcp rcd*, rc4* *0302pw only form factor 0302pw 0402pw 0502pw 0603pw 0805pw tolerance f-1% g-2% j-5% resistance value the first three digits are significant values. the fourth is the number of zeroes following. the r indicates a decimal point for resistance values below 100 . rcc - 0502pw1000 j example: 100 , 5%, 100mw, 0502 partial wrap resistor pw ver.6 09/07 specifications subject to change without notice. dimensions part number length width height terminal rcx-0302pw 0.030 .005 0.020 .003 0.020 max. 0.004 min. rcx-0402pw 0.040 .005 0.020 .005 0.020 max. 0.005 min. rcx-0502pw 0.050 .005 0.020 .005 0.020 max. 0.009 min. rcx-0603pw 0.060 .005 0.030 .005 0.020 max. 0.009 min. rcx-0805pw 0.080 .005 0.050 .005 0.020 max. 0.015 min. w h l t rcx-0302pw rcx-0402pw rcx-0502pw rcx-0603pw rcx-0805pw operating temp -55 to 150 o c -55 to 150 o c -55 to 150 o c -55 to 150 o c -55 to 150 o c rated power 63 mw 80 mw 100 mw 100 mw 175 mw (@70 o c) max working volts 50vdc 50vdc 50vdc 50vdc 150 vdc resistance range* 10 to 2k 10 to 2k 10 to 2k 10 to 2k 10 to 2k tolerance 5% 5%, 2%, 1% 5%, 2%, 1% 5%, 2%, 1% 5%, 2%, 1% tcr (ppm/ o c) 100 100 100 100 100 frequency range** 40 ghz 36 ghz 26.5 ghz 15 ghz 8ghz * other values available. please contact factory. ** frequency range in an impedance matched system.
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