www.vishay.com 7 mp30 vishay angstrohm document number: 66105 revision 25-aug-00 mp30 model power rheostats 150 watt resistance value amps date code a bushing and shaft configuration 25 value note: for additional features: submit detailed drawing information when ordering non-standard parts. ordering information * all other intermediate resistance values are available and can be manufactured on a normal delivery cycle. features ? diameter 4" [101.60mm] ? depth behind panel 1 3/4" [44.45mm] ? shaft 1/4" [6.35mm] diameter ? rotation 300 5 and weight 1.014 pounds (460 grams) ? total ohms available in higher ranges up to 25,000 ohms ? mounts on panels up to 1/4" [6.35mm] by means of a 3/8" [9.52mm], 32 bushing and hex nut ? non-turn lugs require 3/16" [4.76mm] hole, 1/2" [12.70mm] below center of shaft - model"a" shaft ? u. l. approved maximum amps total ohms 17.350 12.247 8.660 7.071 5.477 4.472 3.873 3.162 2.449 1.732 1.414 1.225 0.866 0.707 0.612 0.548 0.447 0.387 0.274 0.244 0.173 0.141 0.122 0.5 1.0 2.0 3.0 5.0 7.5 10.0 15.0 25.0 50.0 75.0 100.0 200.0 300.0 400.0 500.0 750.0 1000.0 2000.0 2500.0 5000.0 7500.0 10000.0 35 39 39 70 73 70 70 120 152 190 228 228 265 303 342 342 418 432 575 456 865 1000 1000 approximate steps resistance values* marking angstrohm rheostat standard wattage ratings are based on a 300 c rise in free-air in ambient not exceeding + 40 c (shown). for other applications, wattage ratings are available based on 340 c rise in "free-air" in ambient not exceeding + 25 c, and in other cases + 50 c. derating a = standard flatted shaft % of rated load 40 100 150 200 250 300 350 ambient temp. deg. centigrade 120 100 80 60 40 20 0 knob # 552 dimensions in inches [millimeters] 2 1/2 [63.50] r 4 [101.60] dia. 2 7/16 [61.91] (3) .169 [4.29] holes 1 1/2 [38.10] dial # 548 2 1/4 [57.15] 3/4 [19.05] 1/4 [6.35] 1 3/4 [44.45] 7/8 [22.22] 3/8 [9.52] 1/2 [12.70] 3/8 [9.52] 3/32 [2.38] 7/32 [5.56] 1/16 [1.59]
legal disclaimer notice vishay document number: 91000 www.vishay.com revision: 08-apr-05 1 notice specifications of the products displayed herein are subjec t to change without notice. vishay intertechnology, inc., or anyone on its behalf, assume s no responsibility or liability fo r any errors or inaccuracies. information contained herein is intended to provide a product description only. no license, express or implied, by estoppel or otherwise, to any intellectual property rights is granted by this document. except as provided in vishay's terms and conditions of sale for such products, vishay assumes no liability whatsoever, and disclaims any express or implied warranty, relating to sale and /or use of vishay products including liab ility or warranties relating to fitness for a particular purpose, merchantability, or infringement of any patent, copyrigh t, or other intellectual property right. the products shown herein are not designed for use in medical, life-saving, or life-sustaining applications. customers using or selling these products for use in such applications do so at their own risk and agree to fully indemnify vishay for any damages resulting from such improper use or sale.
|
