148, 149 Vishay Spectrol 1/2" (12.7 mm) Conductive Plastic and Cermet Potentiometer FEATURES Robust construction High rotational life (50 000 cycles) Up to three sections PC support plates Rotary switches and solder lugs terminals available Tests according to CECC 41000 or IEC 60393-1 Compliant to RoHS Directive 2002/95/EC 148 FEATURES Conductive plastic element Quiet electrical output 149 FEATURES Cermet element Low temperature coefficient ( 150 ppm/C) DIMENSIONS in millimeters (inches) 0.5 mm ( 0.02") Single, dual or triple Solder lug terminals 12.5 (0.492) 2.54 (0.100) 1 2 3 7.62 (0.300) 0.30 (0.012) 5.07 (0.200) 2.4 (0.094) 12.5 (0.492) Thread 1/4 32-NEF-2A 9.52 (0.375) 8.0 (0.315) 0.6 (0.024) 0.6 (0.024) 2.54 (0.100) 1.2 (0.047) 6.35 (0.250) 8.85 (0.341) 8.83 (0.348) 3.17 (0.125) 0.6 (0.024) 12.5 (0.492) 0.8 (0.031) 0.9 (0.035) 1.800 (0.071) 4.65 (0.183) 0.300 (0.012) 4.770 (0.188) 6.35 (0.250) 16.45 (0.648) 4.7 (0.185) 4.900 (0.193) 12.5 (0.492) Thread 3/8 32-NEF-2A 4.65 (0.183) 1 2 3 Front and rear support plates E = Flush with board surface 12.5 (0.492) 0.80 (0.031) Dual Single 0.60 (0.024) 12.50 (0.492) 4.70 (0.185) 6.35 2.54 (0.250) (0.100) 7.62 5.08 (0.300) (0.200) 2.54 (0.100) 5.08 (0.200) 1.52 (0.06) 3.85 (0.151) 6.35 (0.250) 1.52 (0.06) 3.85 (0.151) 1 2 3 Document Number: 57040 For technical questions, contact: sfer@vishay.com See also Application Notes: www.vishay.com/doc?51001 and www.vishay.com/doc?52029 Revision: 05-May-11 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 www.vishay.com 102 148, 149 1/2" (12.7 mm) Conductive Plastic and Cermet Potentiometer Vishay Spectrol ELECTRICAL SPECIFICATIONS PARAMETER Linear 148 149 1 k to 1 M 100 to 2 M 500 to 500 k 250 to 1 M 10 % 10 % 20 % on request 10 % 10 % Resistance Range Non-Linear Linear Tolerance Non-Linear Linearity (Typical) 5 % independent End Resistance 4 maximum each end 0.5 W at 70 C 0 W at 120 C Power Rating 1 W at 70 C 0 W at 150 C Non-Linear or PC mount, derate 50 % Circuit Diagram a c (1) (3) b (2) cw 270 10 without rotary switch 240 10 with rotary switch Effective Rotation Contact Resistance Variation 1.5 % of total resistance Maximum Continuous Working Voltage 3 % of total resistance 350 VAC across end terminals, but within power rating Dielectric Withstanding Voltage Sea level - 750 VAC MECHANICAL SPECIFICATIONS Mechanical Travel 300 5 Operating Torque (Typical) Single section 0.2 oz. to 3.0 oz. - in dual or triple section 0.3 oz.-inch to 4.5 oz.-inch Bushing A and B 2.1 lb-inch max. Bushing F 6.8 lb-inch max. End Stop Torque Single 0.19 oz. Dual 0.27 oz. Triple 0.35 oz. Weight (approx.) Electrical Elements e3: Pure Sn Terminals Switch Elements e4: Gold plated ENVIRONMENTAL SPECIFICATIONS 148 149 Operating Temperature - 40 C to + 125 C - 40 C to + 125 C Storage Temperature - 55 C to + 125 C - 55 C to + 125 C - 40 C to + 125 C (4 % RT) - 40 C to + 125 C (3 % RT) 10 % RT 5 % RT Temperature Cycling (5 Cycles) Load Life (1000 h Rated Load at 70 C) Mechanical Endurance TCR (Typical) Sealing 50 000 cycles 500 ppm/C 150 ppm/C IP64 www.vishay.com For technical questions, contact: sfer@vishay.com See also Application Notes: www.vishay.com/doc?51001 and www.vishay.com/doc?52029 103 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 Document Number: 57040 Revision: 05-May-11 148, 149 1/2" (12.7 mm) Conductive Plastic and Cermet Potentiometer Vishay Spectrol LOCATING PEGS (Anti-Rotation Lug) The locating peg is provided by a plate mounted on the bushing and positioned by the module sides. Four set positions are available, clock face orientation: 12, 3, 6, 9. All 148, 149 bushings have a double flat. When panel mounting holes have been punched accordingly, an anti-rotation lug is not necessary. CODE VERSION A B 9 C 2 2 0.7 L mm 6.2 6.2 0.7 O d mm 2 2 L mm 7.75 7.75 - O d mm - 3.5 1.1 L mm - 13.5 - Locating pegs are supplied in separate bags with nuts and washers 3 6 BUSHING EFFECTIVE F HIGH PEG O d mm L 12 BUSHING A, B Od RSID OPTION: ROTARY SWITCH MODULES * Rotary switches * Current up to 2 A * SPDT: Single pole, changeover switch in CCW position - 3 pins * Sealing IP60 MODULES: RS ON/OFF SWITCH RSI CHANGEOVER SWITCH The position of each module is free. RS and RSI rotary switches are housed in a standard 148, 149 module size 12.7 mm x 12.7 mm x 5.08 mm (0.5" x 0.5" x 0.2"). They have the same terminal styles as the assembled electrical modules. SWITCH SPECIFICATIONS Switching Power Maximum 62.5 VA 15 VA = Switching Current Maximum 0.25 A 250 V 0.5 A 30 V = Maximum Current Through Element Contact Resistance An assembly can comprise 1 or more switch modules. Switch actuation is described as seen from the shaft end. D:means actuation in maximum CCW position Dielectric Strength 2A 100 m Terminal to Terminal 1000 VRMS Terminal to Bushing 2000 VRMS The switch actuation travel is 25 with a total mechanical travel of 300 5 and electrical travel of electrical modules is 238 10. Maximum Voltage Operation 250 V 30 V = Insulation Resistance Between Contacts 106 M RSID SINGLE POLE CHANGEOVER Life at Pmax. In full CCW position, the contact is made between 3 and 2 and open between 3 and 1. Switch actuation (CW direction) reverses these positions. Minimal Travel 10 000 actuations 25 Operating Temperature - 40 C to + 85 C ELECTRICAL DIAGRAM RSID CCW POSITION 1 2 3 (1) Note (1) Common Document Number: 57040 For technical questions, contact: sfer@vishay.com See also Application Notes: www.vishay.com/doc?51001 and www.vishay.com/doc?52029 Revision: 05-May-11 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 www.vishay.com 104 148, 149 1/2" (12.7 mm) Conductive Plastic and Cermet Potentiometer Vishay Spectrol ORDERING INFORMATION (Part Number) 1 4 MODEL 8 1 0 F 0 G NUMBER OF MODULES SWITCH BUSHING 1 2 3 1 = RSID 0 = Without switch See table "Bushing" 148 = Plastic conductive 149 = Cermet element J S LOCATING PEG 0 = Without A B C BUSHING L OLD CODES A 1/4" 1/4" N B 1/4" 3/8" F 3/8" 3/8" 0 1 0 3 A RESISTANCE CODE/TOLERANCE/ TAPER OR SPECIAL SHAFT SHAFT END LEADS See table "Shaft" S = Slotted See table "Leads" On request: R = Round F = Flatted K Resistance code: 101 = 100 to 105 = 1 M Tolerance code: M = 20 %; K = 10 % Taper: A (S); L (Z); F (R) or special code given by Vishay O L OLD CODES BB 1/8" 1/2" 32 J BG 1/8" 5/8" 40 G BH 1/8" 3/4" 48 BJ 1/8" 7/8" 56 GB 1/4" 1/2" 32 GG 1/4" 5/8" 40 GH 1/4" 3/4" 48 GJ 1/4" 7/8" 56 GL 1/4" 1" 64 GN 1/4" 1 1/4" 80 LEADS PIN SPACING TYPE X10 SPACE BETWEEN MODULES 2.54 mm (0.100") PCB pins X13 A13 1 SHAFT O A10 X PCB pins and support plates 2.54 mm (0.100") Sold, lugs 4.65 mm (0.183") Y00 Y03 OLD CODES n/a 7.62 mm (0.300") P n/a 7.62 mm (0.300") E n/a 7.62 mm (0.300") S PART NUMBER DESCRIPTION (for information only) 148 1 0 F MODEL MODULES SWITCH BUSHING 0 GJ S X10 BO50 10K 10 % A e3 LOCATING LEAD SHAFT SHAFT LEADS PACK. VALUE TOL. TAPER SPECIAL SPECIAL PEG FINISH www.vishay.com For technical questions, contact: sfer@vishay.com See also Application Notes: www.vishay.com/doc?51001 and www.vishay.com/doc?52029 105 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 Document Number: 57040 Revision: 05-May-11 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. Vishay Intertechnology, Inc., its affiliates, agents, and employees, and all persons acting on its or their behalf (collectively, "Vishay"), disclaim any and all liability for any errors, inaccuracies or incompleteness contained in any datasheet or in any other disclosure relating to any product. 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It is the customer's responsibility to validate that a particular product with the properties described in the product specification is suitable for use in a particular application. Parameters provided in datasheets and/or specifications may vary in different applications and performance may vary over time. All operating parameters, including typical parameters, must be validated for each customer application by the customer's technical experts. Product specifications do not expand or otherwise modify Vishay's terms and conditions of purchase, including but not limited to the warranty expressed therein. 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. Material Category Policy Vishay Intertechnology, Inc. hereby certifies that all its products that are identified as RoHS-Compliant fulfill the definitions and restrictions defined under Directive 2011/65/EU of The European Parliament and of the Council of June 8, 2011 on the restriction of the use of certain hazardous substances in electrical and electronic equipment (EEE) - recast, unless otherwise specified as non-compliant. Please note that some Vishay documentation may still make reference to RoHS Directive 2002/95/EC. We confirm that all the products identified as being compliant to Directive 2002/95/EC conform to Directive 2011/65/EU. Vishay Intertechnology, Inc. hereby certifies that all its products that are identified as Halogen-Free follow Halogen-Free requirements as per JEDEC JS709A standards. Please note that some Vishay documentation may still make reference to the IEC 61249-2-21 definition. We confirm that all the products identified as being compliant to IEC 61249-2-21 conform to JEDEC JS709A standards. Revision: 02-Oct-12 1 Document Number: 91000