ultra high precision foil wraparound surface mount chip resistor with temperature coefficient of resistance of 0.05 ppm/c , load life stability to 0.005 % (50 ppm) and esd immunity up to 25 kv vsmp0603 (z-foil) vishay foil resistors document number: 63141 for any questions, contact: foil@vishaypg.com www.foilresistors.com revision: 26-mar-10 1 vishay foil resistors are not restricted to standard values, we can supply specif ic ?as required? values at no extra cost or delivery (e.g. 1k234 vs. 1k). introduction vsmp series is the industry?s first device to provide high rated power, excellent load life stability along with extremely low tcr all in one resistor. one of the most important param eters influencing stability is the temperature coefficient of resistance (tcr). although the tcr of foil resistors is considered extremely low, this characteristic has been furthe r refined over the years. the vsmp series utilizes ultra high precision bulk metal ? z-foil. the z-foil technology provides a significant reduction of the resistive element's sensitivity to ambient temperature variations (tcr) and to self heating when power is applied (power coefficient). along wi th the inherently low pcr and tcr, z-foil technology also pr ovides remarkably improved load life stability, low noise and availability of tight tolerance. the vsmp0603 has a full wraparound termination which ensures safe handling during the manufacturing process, as well as providing stability during multiple thermal cyclings. our application engineering department is available to advise and make recommendations. for non-standard technical requirements and special applications, please contact us using the e-mail address in the footer below. note (1) for tighter performances, pleas e contact vishay application engineering using the e-mail address in the footer below. features ? temperature coefficient of resistance (tcr): 0.05 ppm/c typical (0 c to + 60 c) 0.2 ppm/c typical (- 55 c to + 125 c, + 25 c ref.) ? tolerance: to 0.01 % ? power coefficient ? ? r due to self heating?: 5 ppm at rated power ? power rating: to 100 mw at + 70 c ? load life stability: to 0.005 % at 70 c, 2000 h at rated power ? resistance range: 100 ?? to 5 k ? ? electrostatic discharge (esd) up to 25 000 v ? short time overload: ? 0.005 % ? non inductive, non capacitive design ? rise time: 1 ns effectively no ringing ? special design which reduces circuit signal distortion ? current noise: - 40 db ? voltage coefficient < 0.1 ppm/v ? non inductive: < 0.08 h ? non hot spot design ? terminal finishes available: lead (pb)-free tin/lead alloy ? matched sets are available on request ? prototype samples available from 72 h. for more information, please contact foil@vishaypg.com ? for better performances please contact us applications ? automatic test equipment (ate) ? high precision instrumentation ? laboratory, industrial and medical ? audio ? eb applications (electron beam scanning and recording equipment, electron microscopes) ? down hole instrumentation ? communication * pb containing terminations are not rohs compliant, exemptions may apply table 1 - tolerance and tcr vs. resistance value (1) (- 55 c to + 125 c, + 25 c ref.) resistance value ( ? ) tolerance (%) typical tcr and max. spread (ppm/c) 250 ? to 5k 0.01 0.2 1.8 100 ? to < 250 0.02 0.2 1.8 top view figure 1 - power derating curve 100 75 50 25 0 - 75 - 50 - 25 0 + 25 + 50 + 75 + 100 + 125 + 150 + 175 ambient temperature (c) percent of rated power + 70 c - 55 c
vsmp0603 (z-foil) vishay foil resistors www.foilresistors.com for any questions, contact: foil@vishaypg.com document number: 63141 2 revision: 26-mar-10 note ? land pattern dimensions are per ipc-782. note ? as shown + 0.01 ? to allow for measurement errors at low values. figure 2 - trimming to values (conceptual illustration) m u t u al ind u ctance red u ction d u e to opposing c u rrent in adjacent lines 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 figure 3 -typical tcr curve z-foil note ? the tcr values for < 100 ? are influenced by the termination composition and result in deviation from this curve. + 500 + 200 + 100 0 - 100 - 200 - 300 - 500 - 55 - 25 + 25 + 60 + 75 + 100 + 125 ambient temperature (c) r r (ppm) 0 0.05 ppm/c - 0.1 ppm/c 0.1 ppm/c 0.14 ppm/c 0.2 ppm/c - 0.16 ppm/c - 400 + 300 + 400 table 2 - dimensions and land pattern in inches (millimeters) chip size l 0.005 (0.13) w 0.005 (0.13) thickness maximum d 0.005 (0.13) 0603 0.063 (1.60) 0.032 (0.81) 0.025 (0.64) 0.011 (0.28) bottom view for mountin g d t w l uncoated ceramic table 3 - performances test or conditions per mil-prf-55342 mil-prf-55342 characteristic e ? r limits typical ? r limits maximum ? r limits thermal shock: 100 x (- 65 c to + 150 c) 0.2 % 0.005 % (50 ppm) 0.01 % (100 ppm) low temperature operation: - 65 c, 45 min, rated power 0.1 % 0.005 % (50 ppm) 0.01 % (100 ppm) short time overload: 6.25 x rated power, 5 s 0.1 % 0.005 % (50 ppm) 0.01 % (100 ppm) high temperature exposure: 100 h, 150 c 0.1 % 0.01 % (100 ppm) 0.03 % (300 ppm) resistance to soldering heat 0.2 % 0.005 % (50 ppm) 0.02 % (200 ppm) moisture resistance 0.2 % 0.03 % (300 ppm) 0.1 % (1000 ppm) load life stability + 70 c for 2000 h at rated power 0.5 % 0.005 % (50 ppm) 0.01 % (100 ppm)
vsmp0603 (z-foil) vishay foil resistors document number: 63141 for any questions, contact: foil@vishaypg.com www.foilresistors.com revision: 26-mar-10 3 notes (1) avoid the use of cleaning agents which could attack epox y resins, which form part of the resistor construction (2) vacuum pick up is recommended for handling (3) soldering iron may damage the resistor figure 4 - vsmp0603 100 cycle thermal shock - 65 c to 150 c, 10 units each value figure 5 - load life stability 2000 h at + 70 c, 0.1 w, 20 units each value 100 r/r (ppm) 80 60 40 20 0 - 20 - 40 vsmp0603 100r vsmp0603 5k vsmp0603 1k 60 r/r (ppm) 50 40 30 20 10 0 - 10 vsmp0603 100r vsmp0603 5k vsmp0603 1k figure 6 - recommended mounting 25 % to 8 5 % of t a lo w profile solder fillet is recommended to a v oid u nnecessary stresses along top edge of metallization. ir and v apor phase reflo w are b est. a v oid the u se of cleaning agents w hich co u ld attack epoxy resins, w hich form part of the resistor constr u ction.
vsmp0603 (z-foil) vishay foil resistors www.foilresistors.com for any questions, contact: foil@vishaypg.com document number: 63141 4 revision: 26-mar-10 note (1) for non-standard requests, please contact application engineering. table 4 - global part number information new global part number: y16363k25200t9r (preferred part number format) denotes precision value characteristics (1) yr = ? k = k ? 0 = standard part, tin/lead termination 9 = standard part, lead (pb)-free termination 1 to 999 = custom product code resistance tolerance packaging 1636 = vsmp0603 t = 0.01 % q = 0.02 % a = 0.05 % b = 0.10 % c = 0.25 % d = 0.5 % f = 1.0 % r = tape and reel w = waffle pack for example: above global order y1636 3k25200 t 9 r: type: vsmp0603 values: 3.252 k ? absolute tolerance: 0.01 % termination: lead (pb)-free packaging: tape and reel 6363 252 k y1 t9 0 r 0
document number: 63999 www.vishaypg.com revision: 22-feb-10 1 disclaimer legal disclaimer notice vishay precision group 1 all product specifications and data are subject to change without notice. vishay precision group, inc., its affilia tes, agents, and employees , and all persons acting on its or their behalf (collectively, ?vishay precision group?) , disclaim any and all liabilit y for any errors, inaccura cies or incompleteness contained herein or in any other disclosure relating to any product. vishay precision group disclaims any an d all liability arising out of the use or application of any product described herein or of any information provided herein to the maximum extent permitted by law. the product specifications do not expand or otherwise modify vishay precision group?s te rms and conditions of purchase, 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 precision group. the products shown herein are not designed for use in medi cal, life-saving, or life-sustaining applications unless otherwise expressly indicated. customer s using or selling vishay precision group pr oducts not expressly indicated for use in such applications do so entirely at their own ri sk and agree to fully indemnify vishay precision group for any damages arising or resulting from such use or sa le. please contact authorized vishay precision group 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.
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