dual value chip resistors, center tap rsk 33n vishay sfernice www.vishay.com for technical questions, contact: sfer@vishay.com document number: 60069 36 revision: 06-oct-08 the vishay rsk33 resistive dividers are based on a nickel-chromium thin metal film formulation on an oxidized silicon substrate and incorporate two resistors of equal ohmic value for use either as a precision voltage divider or as a four terminal resistor. the rsk33 micro dividers were developed as a low cost, temperature and time stable resistive range for hybrid circuit applications demanding miniaturization with improved parametric performances in both industrial and military environments. their close ratio tolerance and tcr tracking performances are particularly relevant to amplifier gain-setting and diverse attenuator and terminator applications. features ? economic cost ? low tcr < 25 ppm/c ? rapid rise time ? low noise < 35 db ? stability 0.03 % (2000 h, rated power, at + 70 c) ? wirebondable typical performance schematic (unequal value on request) notes: (1) for temperature up to 200 c, please contact factory (2) for tighter ratio: please co nsult (ohmic range may vary) * please see document ?vishay green and halogen-free definitions (5-2008)? http ://www.vishay.com/doc?99902 actual size abs tracking tcr 15 ppm/c 5 ppm/c abs ratio tol. 0.5 % 0.05 % r t = r 1 + r 2 w ith r 1 = r 2 r 1 r 2 r t standard electrical specifications test specifications conditions series ultrafilm ? resistance range 10 to 500 k (r t = r 1 + r 2 ) extended ohmic range > 500 k to 1 m r 1 r 2 : please consult tcr: tracking 5 ppm/c maximum - 55 c to + 125 c absolute 25 ppm/c maximum ( 15 ppm/c typical) - 55 c to + 125 c tolerance: ratio 0.5 % (tighter on request) (2) r > 10 absolute 0.5 %, 1 %, 2 % power rating: 250 mw at 70 c, 50 mw at + 125 c stability 300 ppm typical 2000 h pn at + 70 c voltage coefficient < 0.01 ppm/v working voltage 100 v dc on r t operating temperature range - 55 c to + 155 c (1) storage temperature range - 55 c to + 155 c noise < - 35 db typical mil-std-202 method 308 thermal emf < 0.01 v/c shelf life stability 50 ppm 1 year r 1 r 2 r t r t 2 ------ - r t 2 ------ - + = ?? ?? =
rsk 33n dual value chip re sistors, center tap vishay sfernice document number: 60069 for technica l questions, contact: sfer@vishay.com www.vishay.com revision: 06-oct-08 37 dimensions bonding pad area a b c e f d dimension inches millimeters a 0.029 0.76 0.1 b 0.029 0.76 0.1 c 0.009 0.25 to 0.4 d 0.005 0.15 e 0.004 0.1 f 0.005 0.15 mechanical specifications resistive element passivated nichrome passivation silicon nitride substrate material silicon bonding pads aluminum global part number information new global part numbering: RSK33N5kd25kb0016 (preferred part number format) global model r1 value abs. tolerance r2 value rat. tolerance option decimal r, k or m d = 0.5 % f = 1.0 % g = 2.0 % decimal r, k or m d = 0.5 % b = 0.1 % w = 0.05 % leave blank if no option historical part number example: rsk 33n 5k 25k 1 % 0.1 % r0016 (will continue to be accepted) rsk 33n 5k 25k 0.5 % 0.1 % r0016 historical model r1/r2 value abs. tolerance and ratio tolerance option 3n5kd25 b 0 6 k r 3 s k01
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.
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