MP10 Vishay Angstrohm Power Rheostats 25 Watt FEATURES • • • • • • Diameter 1 9/16" [39.69mm] Depth behind panel 1 3/8" [34.92mm] Shaft 1/4" [6.35mm] diameter Rotation 300° ± 5° Weight 0.180 pounds (82 grams) 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. Recognized, File No. E51076 TOTAL OHMS 1.0 2.0 3.0 6.0 8.0 10.0 15.0 25.0 35.0 50.0 75.0 100.0 125.0 175.0 250.0 350.0 500.0 750.0 1000.0 1500.0 2500.0 3500.0 5000.0 DIMENSIONS in inches [millimeters] MAXIMUM APPROXIMATE STEPS AMPS 5.00 3.54 2.89 2.04 1.77 1.58 1.29 1.00 0.85 0.71 0.58 0.50 0.45 0.38 0.32 0.27 0.22 0.18 0.16 0.13 0.10 0.08 0.07 28 31 48 51 54 54 64 86 105 115 135 152 143 160 185 205 230 270 292 353 358 392 440 * All other intermediate resistance values are available and can be manufactured on a normal delivery cycle. 27/32 [21.43] 1 9/16 [39.69] Dia. 1/2 [12.70] 11/32 [8.73] 1/4 [6.35] 3/8 [9.52] 1 1/2 [38.10] 31/32 [24.61] 1/32 [.794] .093 [2.36] Holes for No. 2 Screws Knob # 552 1 3/8 [34.92] 3/4 [19.05] Dial # 548 .064 [1.63] BUSHING 3/8 [9.52]. 32 Thread with a 3/32 [2.38] Thick Hex Nut 2 1/4 [57.15] DERATING 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. 120 % OF RATED LOAD RESISTANCE VALUES* 100 80 60 40 20 0 40 100 150 200 250 300 AMBIENT TEMP. DEG. CENTIGRADE 350 SPECIAL SHAFTS in inches [millimeters] 1/2 [12.70] 11/32 [8.73] TYPE B: 1/2 [12.70], 11/32 [8.73] Models. Slotted shaft with standard bushing for 1/8 [3.18] panel. MARKING — Resistance value — Amps — Date code www.vishay.com 4 3/4 [19.05] 5/8 [15.88] TYPE C: 3/4 [19.05], 5/8 [15.88] Models. Locking bushing with slotted shaft for 1/4 [6.35] panel. 5/8 [15.88] 1/2 [12.70] TYPE D: 5/8 [15.88], 1/2 [12.70] Models. Locking bushing with slotted shaft for 1/8 [3.18] panel. 27/32 [21.43] 11/32 [8.73] TYPE E: 27/32 [21.43], 11/32 [8.73] Models. Std. bushing and flatted shaft w/screwdriver slot for 1/8 [3.18] panel. ORDERING INFORMATION MP10 MODEL A BUSHING AND SHAFT CONFIGURATION 1500 VALUE A = Standard Flatted Shaft NOTE: For Additional Features: Submit detailed drawing information when ordering “non-standard” parts. Document Number: 66102 Revision 25-Aug-00 Legal Disclaimer Notice Vishay Notice Specifications of the products displayed herein are subject to change without notice. Vishay Intertechnology, Inc., or anyone on its behalf, assumes no responsibility or liability for 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 liability or warranties relating to fitness for a particular purpose, merchantability, or infringement of any patent, copyright, 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. Document Number: 91000 Revision: 08-Apr-05 www.vishay.com 1