12S, 14S, 15S, 17S, 18S www.vishay.com Vishay Techno Multi-Turn 1/4" (6.35 mm) Square Wirewound Trimmers FEATURES * * * * * * APPLICATIONS Wirewound trimmers are particularly useful in those applications where any combination of high power, low temperature coefficient of resistance and/or excellent long term life stability are important design considerations. ENVIRONMENTAL SPECIFICATIONS Temperature limits: -65 C to +175 C Sealing: fully sealed case (non-hermetic) ELECTRICAL SPECIFICATIONS Electrical travel 22 turns 4 turns STANDARD RESISTANCE VALUES 10 to 5 k (extended range available in non MIL-SPEC product) Resistance range RESISTANCE (1) () NOMINAL RESOLUTION (%) 10 1.65 20 1.35 50 1.13 0.5 W at +85 C derated to 0 W at +150 C, these specifications exceed MIL-SPEC 100 0.82 200 0.62 1 or 2 %, whichever is greater 500 0.62 1K 0.49 2K 0.34 Resistance tolerance 5 % standard Temperature coefficient (-65 C to +150 C) Power rating End resistance Precious metal wiper 0.25 W to +85 C TCR < 50 ppm/C Solderable leads Special configurations available Military quality at affordable prices 50 ppm/C Equivalent noise resistance (ENR) 100 maximum 5K 0.27 Dielectric (DWV) 1000 VAC at atmospheric pressure, these specifications exceed MIL-SPEC 10K 0.21 > 100 000 M (500 VDC), these specifications exceed MIL-SPEC 20K 0.17 25K 0.16 Insulation resistance Note (1) Other resistances available upon request MECHANICAL SPECIFICATIONS Operating torque: 3 oz.-inches maximum, 17S and 18S, 5 oz.-inches maximum, 12S, 14S and 15S Rotation: clutch stop, wiper idles Weight: 0.935 g maximum Resistive element: nickel chromium Rotational life: 200 cycles minimum Terminal strength: 2 lbs for 10 s CIRCUIT DIAGRAM 1 3 CW 2 GLOBAL PART NUMBER INFORMATION New global part numbering: 12S500RB (preferred part number format) 1 2 S 5 0 0 R B GLOBAL MODEL TYPE RESISTANCE VALUE PACKAGING 12 = top adjustment screw 14 = side adjustment screw 15 = PC mount 17 = top adjustment screw 18 = side adjustment screw / = continuous rotation S = clutch stop R = decimal K = thousand 100R = 100 5K00 = 5 k B = bulk Historical part numbering: 12s501 (will continue to be accepted) 12 s 501 HISTORICAL MODEL TYPE RESISTANCE VALUE Revision: 03-Apr-17 Document Number: 68017 1 For technical questions, contact: sfer@vishay.com THIS DOCUMENT IS SUBJECT TO CHANGE WITHOUT NOTICE. THE PRODUCTS DESCRIBED HEREIN AND THIS DOCUMENT ARE SUBJECT TO SPECIFIC DISCLAIMERS, SET FORTH AT www.vishay.com/doc?91000 12S, 14S, 15S, 17S, 18S www.vishay.com Vishay Techno DIMENSIONS 1/4" (6.35 mm) SQUARE in inches (millimeters) W Lead Style - 17S X Lead Style - 18S 0.030 0.010 (0.762 0.254) 0.038 0.005 (0.965 0.127) 0.020 0.003 (0.508 0.076) 0.020 0.003 (0.508 0.076) 1 2 3 0.016 0.001 (0.406 0.025) Dia. 0.211 0.005 (5.36 0.127) 0.172 (4.37) Min. 0.020 0.003 (0.508 0.076) 0.160 0.010 (4.06 0.254) 0.120 0.005 (3.05 0.127) 0.100 0.005 (2.54 0.127) 0.156 0.010 (3.96 0.254) 0.020 0.0015 (0.508 0.038) Dia. 0.014 (0.356) Min. 0.020 (0.508) 0.156 (3.96) 1.72 (4.37) Min. 0.100 0.005 (2.54 0.127) W Lead Style - 12S 0.180 0.015 (4.57 0.381) 0.062 0.002 (1.57 0.051) Dia. 0.120 0.005 (3.05 0.127) 0.030 0.010 (0.762 0.254) 0.038 0.005 (0.965 0.127) 0.062 0.005 (1.57 0.127) Dia. P Lead Style - 15S 0.211 0.005 (5.36 0.127) 0.062 0.005 (1.57 0.127) 0.172 (4.37) Min. 0.100 0.005 (2.54 0.127) 0.260 0.005 (6.60 0.127) 0.016 0.001 (0.406 0.025) Dia. 0.260 0.005 (6.60 0.127) 0.100 0.005 (2.54 0.127) 0.045 0.005 (1.14 0.127) 0.160 0.010 0.020 0.003 (0.406 0.254) (0.508 0.076) 0.045 0.005 (1.14 0.127) 1 0.082 (2.08) 3 0.250 0.015 (6.35 0.381) 0.050 0.010 0.062 0.002 (1.27 0.254) (1.57 0.051) Dia. 0.250 0.015 (6.35 0.381) 2 0.055 0.010 (1.40 0.254) 0.050 0.010 (1.27 0.254) 0.120 0.010 (3.05 0.254) 0.100 (2.54) 0.125 (3.17) X Lead Style - 14S 0.062 0.002 (1.57 0.051) Dia. 0.014 (0.356) Min. 0.050 0.010 (1.27 0.254) 0.020 (0.508) 0.210 (5.33) 0.156 0.010 (3.96 0.254) 0.172 (4.37) Min. 0.100 (2.54) 0.038 (0.965) 0.014 (0.356) Min. 0.250 0.015 (6.35 0.381) 0.120 0.010 (3.05 0.254) 1 2 3 0.020 (0.508) 0.100 (2.54) 0.013 0.001 (0.330 0.025) Dia. 3 2 1 0.013 0.001 (0.330 0.025) Dia. 0.100 (2.54) 0.038 (0.965) 0.172 (4.37) Min. ENVIRONMENTAL PERFORMANCE TEST (1) MIL-R-27208 REQUIREMENT TYPICAL CHANGE 5 cycles, -55 C to +125 C 1 h storage, 45 min rated power at -55 C 250 h, no load at +150 C 240 h at rated power with humidity ranging from 80 % RH to 98 % RH R 1.0 % (2) R 1.0 % (2)(3) R 1.0 % (2)(3) R < 0.02 % R < 0.01 % R < 0.03 % R 1.0 % (2) R < 0.02 % +350 C for 3 s 18 shocks, 100 g, 6 ms, sawtooth, 3 axes 10 Hz to 2000 Hz, 20 g, 12 h, 3 axes 200 cycles 1000 h at rated power at +85 C R 1.0 % (2) R 1.0 % (2)(3) R 1.0 % (2)(3) R 2.0 % R 2.0 % R < 0.01 % R < 0.07 % R < 0.02 % R < 0.04 % R < 0.12 % CONDITIONS (107) Moisture resistance (106) Resistance to soldering heat Shock Vibration Rotational life Load life (210) (213) (204) (108) Notes (1) Numbers in parenthesis refer to test method MIL-STD-202 as modified by the detail specification. (2) For values below 100 , add 0.05 to the allowable change. (3) The referenced tests also require that setting stability change shall not exceed 1.0 % plus the specified maximum resolution and operating torque shall not exceed 150 % of the specified maximum. DERATING 0.50 0.40 W Thermal shock Low temperature operation High temperature exposure 0.30 0.20 0.10 0 Revision: 03-Apr-17 25 50 75 85 100 125 150 AMBIENT TEMPERATURE C 175 Document Number: 68017 2 For technical questions, contact: sfer@vishay.com THIS DOCUMENT IS SUBJECT TO CHANGE WITHOUT NOTICE. THE PRODUCTS DESCRIBED HEREIN AND THIS DOCUMENT ARE SUBJECT TO SPECIFIC DISCLAIMERS, SET FORTH AT www.vishay.com/doc?91000 Legal Disclaimer Notice www.vishay.com Vishay Disclaimer ALL PRODUCT, PRODUCT SPECIFICATIONS AND DATA ARE SUBJECT TO CHANGE WITHOUT NOTICE TO IMPROVE RELIABILITY, FUNCTION OR DESIGN OR OTHERWISE. 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Except as expressly indicated in writing, Vishay products are not designed for use in medical, life-saving, or life-sustaining applications or for any other application in which the failure of the Vishay product could result in personal injury or death. Customers using or selling Vishay products not expressly indicated for use in such applications do so at their own risk. Please contact authorized Vishay personnel to obtain written terms and conditions regarding products designed for such applications. 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. Product names and markings noted herein may be trademarks of their respective owners. (c) 2017 VISHAY INTERTECHNOLOGY, INC. ALL RIGHTS RESERVED Revision: 08-Feb-17 1 Document Number: 91000 Mouser Electronics Authorized Distributor Click to View Pricing, Inventory, Delivery & Lifecycle Information: Vishay: 015S-203 17S-103 17S-501 18S-103