wsr high power www.vishay.com vishay dale revision: 18-jan-13 1 document number: 31059 for technical questions, contact: ww2bresistors@vishay.com this document is subject to change without notice. the products described herein and this document are subject to specific disclaimers, set forth at www.vishay.com/doc?91000 power metal strip ? resistors, low value (down to 0.001 ? ), surface mount features ? molded high temperature encapsulation ? improved thermal mana gement incorporated into design ? ideal for all types of current sensing, voltage division and pulse applications including switching and linear power supplies, instrumentation, power amplifiers ? proprietary processing technique produces extremely low resistance values (down to 0.001 ? ) ? all welded construction ? solid metal nickel-chrome or manganese- copper alloy resistive element with low tcr (< 20 ppm/c) ? solderable terminations ? very low inductance 0.5 nh to 5 nh ? excellent frequency response to 50 mhz ? low thermal emf (< 3 v/c) ? integral heat sink not utilized for resistance values less than 0.0075 ? ? aec-q200 qualified (1) ? material categorization: for definitions of compliance please see www.vishay.com/doc?99912 notes * lead (pb)-containing terminations are not rohs-compliant. exemptions may apply. (1) flame retardance test may not be applicable to some resistor technologies. notes ? part marking: dale, model, value, tolerance, date code. (2) the wsr5 is rated at 5 w with terminal temperature maintained ? 120 c. standard electrical specifications global ? model size power rating p 70 c w resistance value range ? weight (typical) g/1000 pieces tol. 0.5 % tol. 1.0 % wsr5 4527 5.0 (1) 0.01 to 0.3 0.001 to 0.3 476 technical specifications parameter unit wsr5 resi stor characteristics temperature coefficient ppm/c 75 for 0.01 ? to 0.3 ? ; 110 for 0.005 ? to 0.0099 ? ; 300 for 0.004 ? to 0.0049 ??? 450 for 0.003 ? to 0.0039 ? ; 600 for 0.002 ? to 0.0029 ? ; 750 for 0.001 ? to 0.0019 ? element tcr ppm/c < 20 dielectric withstanding voltage v ac > 500 insulation resistance ? > 10 9 operating temperature range c - 65 to + 275 maximum working voltage v ( p x r ) 1/2 global part number information global part numbering exam ple: WSR5R0100FEA (preferred part numbering format) global model value tolerance code packaging special wsr5 l = m ? * r = decimal 5l000 = 0.005 ? r0100 = 0.01 ? * use l for resistance values < 0.01 ? d = 0.5 % f = 1.0 % j = 5.0 % ea = lead (pb)-free, tape/reel ek = lead (pb)-free, bulk ta = tin/lead, tape/reel (r86) ba = tin/lead, bulk (b43) (dash number) (up to 2 digits) from 1 to 99 as applicable r5r0 00f 1 ws a e
wsr high power www.vishay.com vishay dale revision: 18-jan-13 2 document number: 31059 for technical questions, contact: ww2bresistors@vishay.com this document is subject to change without notice. the products described herein and this document are subject to specific disclaimers, set forth at www.vishay.com/doc?91000 dimensions derating note ? embossed carrier tape per eia-481. model dimensions in inches (millimeters) lhtww 1 wsr5 0.455 0.032 (11.56 0.813) 0.095 0.005 (2.41 0.127) 0.100 0.010 (2.54 0.254) 0.275 0.005 (6.98 0.127) 0.215 0.005 (5.46 0.127) model solder pad dimensions in inches (millimeters) abl wsr5 0.155 (3.94) 0.230 (5.84) 0.205 (5.21) performances test conditions of test test limits thermal shock - 55 c to + 150 c, 1000 cycles , 15 min at each extreme (0.5 % + 0.0005 ? ) ? r short time overload 3 x rated power for 5 s (2.0 % + 0.0005 ? ) ? r low temperature storage - 65 c for 24 h (0.5 % + 0.0005 ? ) ? r high temperature exposure 1000 h at + 275 c (1.0 % + 0.0005 ? ) ? r bias humidity + 85 c, 85 % rh, 10 % bias, 1000 h (0.5 % + 0.0005 ? ) ? r mechanical shock 100 g s for 6 ms, 5 pulses (0.5 % + 0.0005 ? ) ? r vibration frequency varied 10 hz to 2000 hz in 1 min, 3 directions, 12 h (0.5 % + 0.0005 ? ) ? r load life 1000 h at 70 c (2.0 % + 0.0005 ? ) ? r resistance to solder heat 260 3 c 10 s to 12 s dwell, 25 mm/s emergence (0.5 % + 0.0005 ? ) ? r moisture resistance mil-std-202, method 106, 0 % power, 7a and 7b not required (0.5 % + 0.0005 ? ) ? r packaging model reel tape width diameter pieces/reel code wsr5 24 mm/embossed pl astic 330 mm/13" 1500 ea w h w 1 t l i a b - 65 - 25 25 75 125 175 225 275 ambient temperature c 0 20 40 60 80 100 120 70 rated power in %
legal disclaimer notice www.vishay.com vishay revision: 02-oct-12 1 document number: 91000 disclaimer all product, product specifications and data are subject to change without notice to improve reliability, function or design or otherwise. vishay intertechnology, inc., its affiliates, agents, and employee s, and all persons acting on it s or their behalf (collectivel y, vishay), disclaim any and all liability for any errors, inaccuracies or incompleteness contained in any datasheet or in any o ther disclosure relating to any product. vishay makes no warranty, repres entation or guarantee regarding the suitabilit y of the products for any particular purpose or the continuing production of any product. to the maximum extent permitted by applicable law, vi shay disclaims (i) any and all liability arising out of the application or use of any product, (ii) any and all liability, including without limitation specia l, consequential or incidental damages, and (iii) any and all i mplied warranties, including warra nties of fitness for particular purpose, non-infringement and merchantability. statements regarding the suitability of products for certain type s of applications are based on vishays knowledge of typical requirements that are often placed on vishay products in generic applications. such statements are not binding statements about the suitability of products for a particular application. it is the customers responsib ility to validate that a particu lar product with the properties descri bed in the product specification is suitable fo r use in a particular application. parameters provided in datasheets and/or specification s may vary in different applications an d performance may vary over time. all operating parameters, including typical pa rameters, must be validated for each customer application by the customers technical experts. product specifications do not expand or otherwise modify vish ays terms and condit ions of purchase, including but not limited to the warranty expressed therein. except as expressly indicate d in writing, vishay products are not designed for use in medical, life-saving, or life-sustaining applications or for any other application in which the failure of the vi shay product could result in personal injury or death. customers using or selling vishay products not expressly indicated for use in such applications do so at their own risk. pleas e contact authorized vishay personnel to ob tain written terms and conditions regarding products designed for such applications. no license, express or implied, by estoppel or otherwise, to any intellectual prope rty rights is granted by this document or by any conduct of vishay. product names and markings noted herein may be trad emarks of their respective owners. material category policy vishay intertechnology, inc. hereby certi fies that all its products that are id entified as rohs-compliant fulfill the definitions and restrictions defined under directive 2011/65/eu of the euro pean parliament and of the council of june 8, 2011 on the restriction of the use of certain hazardous substances in electrical and electronic equipment (eee) - recast, unless otherwis e specified as non-compliant. please note that some vishay documentation may still make reference to rohs directive 2002/95/ ec. we confirm that all the products identified as being compliant to directive 2002 /95/ec conform to directive 2011/65/eu. vishay intertechnology, inc. hereby certifi es that all its products that are identified as ha logen-free follow halogen-free requirements as per jedec js709a stan dards. please note that some vishay documentation may still make reference to the iec 61249-2-21 definition. we co nfirm that all the products identified as being compliant to iec 61249-2-21 conform to jedec js709a standards.
|
