document number: 63009 for any ques tions, contact: foil@vishay.com www.vishay.com revision: 16-jul-07 1 vsr series vishay foil resistors bulk metal ? foil technology industri al precision resistors with tcr of 4 ppm/c and tolerance of 0.01 % any value at any tolerance available with resistance range introduction bulk metal ? foil technology out performs all other resistor technologies available today for applications that require high precision and high stability. this technology has been pioneered and developed by vishay, and products based on this technology are the most suitable for a wide range of applications. generally bulk metal ? foil technology allows us to produce customer orientated products designed to satisfy challenging and specific technical requirements. the vsr series of resistors is a low cost version of the well established s-series of resist ors. these resistors are made of foil elements so all of th e inherent performance of foil is retained. they do not however, have the same tcr or tolerance ranges (see table 1 for details). these products find a wide range of usage in high end stereo equipment and some grades of test and measurement equipment. standoffs are dimensioned to provide a minimum lead clearance of 0.010 inches between the resistor body and the printed circuit board, when t he standoffs are seated on the board. this allows for proper cleaning after the soldering process. our applications engineering department is available to advise and to make recommendations for non standard technical requirements and special applications, please contact us. features ? temperature coefficient of resistance (tcr) 1) : 4 ppm/c (0 c to + 60 c) 8 ppm/c (- 55 c to + 125 c, + 25 c ref.) ? resistance range: 0.5 to 1 m (higher or lower values of resistance are available) ? resistance tolerance: to 0.01 % ? load life stability: to 0.005 % at 70 c, 2000 hours at rated power ? electrostatic discharge above 25 000 v ? non inductive, non capacitive design ? rise time: 1 ns without ringing ? current noise: - 40 db ? thermal emf: 0.05 v/c typical ? voltage coefficient: < 0.1 ppm/v ? inductance: 0.08 h ? matched sets available ? terminal finishes available: lead (pb)-free tin/lead alloy ? any value available within resistance range (e.g. 1k234) ? prototype samples available from 48 hours. for more information, please contact foil@vishay.com ? for better performances please review the s series datasheet note 1. for values below 50 please contact application engineering applications ? industrial ? medical ? audio (high end stereo equipment) ? test and measurement equipment ? precision amplifiers * pb containing terminations are not rohs compliant, exemptions may apply a v aila b le p b -free rohs* compliant figure 1 - power derating curve 200 % 175 % 150 % 125 % 100 % 75 % 50 % 25 % 0 - 75 - 50 - 25 0 + 25 + 50 + 75 + 100 + 125 + 150 + 175 + 200 ambient temperature ( c) percent of rated power at + 125 c - 55 c + 70 c do ub le rated po w er rated po w er ? safe operation for < 150 ppm r after 2000 ho u rs load-life. figure 2 - trimming to values (conceptual illustration) m u t u al ind u ctance red u ction d u e to change in c u rrent direction c u rrent path before trimming note: foil sho w n in b lack, etched spaces in w hite interloop capacitance red u ction in series trimming process remo v es this material from shorting strip area changing c u rrent path and increasing resistance c u rrent path after trimming www.datasheet.co.kr datasheet pdf - http://www..net/
vsr series vishay foil resistors bulk metal ? foil technology industrial precision resistors with tcr of 4 ppm/c and tolerance of 0.01 % www.vishay.com for any questions, contact: foil@vishay.com document number: 63009 2 revision: 16-jul-07 note 1. 0.200 inches (5.08 mm) lead spacing available - specify vsrj. figure 3 - imprinting and dimensions ls model number vishay xxxx vsr4 st h l date code w front view lead material #22 awg round solder coated copper 10 week 07 year rear view resistance value code tolerance 100r01 0.01 % ll sw table 1 - model selection model number resistance ( ) power at + 70 c power at + 125 c maximum working voltage dimensions load life stability (maximum r) maximum temperature coefficient of resistance (+ 25 c ref.) tightest tolerance % vs. lowest resistance value ( ) inches mm vsr 1 to 150k 0.3 w 0.2 w 300 w: 0.105 0.010 l: 0.300 0.010 h: 0.326 0.010 st: 0.010 minimum sw: 0.040 0.005 ll: 1.000 0.125 ls: 0.150 0.005 1) 2.67 0.25 7.62 0.25 8.28 0.25 0.254 minimum 1.02 0.13 25.4 3.18 3.81 0.13 0.05 % 2000 hours at + 125 c 0 c to + 60 c 4 ppm/c - 55 c to + 125 c 8 ppm/c 0.01/25 0.02/12 0.05/5 0.1/2 0.25/2 0.5/1 1/1 up to 100k vsrj 1). 0.25 w 0.15 w over 100k vsr4 1 to 500k 0.5 w 0.4 w 350 w: 0.160 maximum l: 0.575 maximum h: 0.413 maximum st: 0.035 0.005 sw: 0.050 0.005 ll: 1.000 0.125 ls: 0.400 0.020 4.06 maximum 14.61 maximum 10.49 maximum 0.89 0.13 1.27 0.13 25.4 3.18 10.16 0.51 0.005/30 0.01/20 0.02/10 0.05/5 0.1/1 0.25/1 0.5/1 1/1 up to 200k 0.25 w 0.2 w over 200k vsr5 1 to 750k 0.75 w 0.6 w 350 w: 0.160 maximum l: 0.820 maximum h: 0.413 maximum st: 0.035 0.005 sw: 0.050 0.005 ll: 1.000 0.125 ls: 0.650 0.020 4.06 maximum 20.83 maximum 10.49 maximum 0.89 0.13 1.27 0.13 25.4 3.18 16.51 0.51 up to 300k 0.4 w 0.3 w over 300k vsr6 0.5 to 1m 1.0 w 0.8 w 500 w: 0.260 maximum l: 1.200 maximum h: 0.413 maximum st: 0.035 0.005 sw: 0.050 0.005 ll: 1.000 0.125 ls: 0.900 0.020 6.60 maximum 30.48 maximum 10.49 maximum 0.89 0.13 1.27 0.13 25.4 3.18 22.86 0.51 up to 400k 0.5 w 0.4 w over 400k figure 4 - temperature co efficient of resistance + 400 + 200 0 - 200 - 400 0 + 25 - 140 temperature, c + 140 + 100 - 100 r r (ppm) + 60 + 4 ppm/c - 4 ppm/c www.datasheet.co.kr datasheet pdf - http://www..net/
document number: 63009 for any ques tions, contact: foil@vishay.com www.vishay.com revision: 16-jul-07 3 vsr series bulk metal ? foil technology industrial precision resistors with tcr of 4 ppm/c and tolerance of 0.01 % vishay foil resistors note * for non-standard requests, please contact application engineering. table 2 - global part number information new global part number: y0075100k250a9l (preferred part number format) denotes precision value aer* yr = k = k m = m 0 = standard 9 = lead (pb)-free 1 - 999 = custom product code resistance tolerance packaging 0075 = vsr 0789 = vsrj 0020 = vsr4 0021 = vsr5 0022 = vsr6 t = 0.01 % q = 0.02 % a = 0.05 % b = 0.1 % c = 0.25 % d = 0.5 % f = 1.0 % l = bulk pack for example: above global order y0075 100k250 a 9 l: type: vsr value: 100.25 k absolute tolerance: 0.05 % termination: lead (pb)-free packaging: bulk pack historical part number example: vsrt 100k25 a b (will continue to be used) vsr t 100k25 a b model termination ohmic value resistance tolerance pac k ag i n g vsr vsrj vsr4 vsr5 vsr6 t = lead (pb)-free none = tin/lead alloy 100.25 k t = 0.01 % q = 0.02 % a = 0.05 % b = 0.1 % c = 0.25 % d = 0.5 % f = 1.0 % b = bulk pack 0751 0k2 0 y0 a9 5 l 0 www.datasheet.co.kr datasheet pdf - http://www..net/
document number: 91000 www.vishay.com revision: 18-jul-08 1 disclaimer legal disclaimer notice vishay all product specifications and data are subject to change without notice. vishay intertechnology, inc., its affiliates, agents, and employees, and all persons acting on its or their behalf (collectively, ?vishay?), disclaim any and all liability fo r any errors, inaccuracies or incompleteness contained herein or in any other disclosure relating to any product. vishay disclaims any and all li ability arising out of the use or application of any product describ ed herein or of any information provided herein to the maximum extent permit ted by law. the product specifications do not expand or otherwise modify vishay?s terms and conditions of purcha se, including but not limited to the warranty expressed therein, which apply to these products. no license, express or implied, by estoppel or otherwise, to any intellectual property rights is granted by this document or by any conduct of vishay. the products shown herein are not designed for use in medi cal, life-saving, or life-sustaining applications unless otherwise expressly indicated. customers using or selling vishay products not expressly indicated for use in such applications do so entirely at their own risk and agree to fully indemnify vishay for any damages arising or resulting from such use or sale. please contact authorized vishay personnel to obtain written terms and conditions regarding products designed for such applications. product names and markings noted herein may be trademarks of their respective owners. www.datasheet.co.kr datasheet pdf - http://www..net/
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