148, 149 www.vishay.com 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 * Material categorization: for definitions of compliance please see www.vishay.com/doc?99912 148 FEATURES DESIGN SUPPORT TOOLS click logo to get started * Conductive plastic element * Quiet electrical output Models Available 149 FEATURES QUICK REFERENCE DATA * Cermet element Multiple module Up to 3 modules Switch module Yes Detent module * Low temperature coefficient ( 150 ppm/C) n/a A: linear, L: logarithmic, F: reverse logarithmic Special electrical laws Sealing level IP 64 Lifespan 50K cycles DIMENSIONS in millimeters (inches) 0.5 mm ( 0.02") Single, dual or triple Solder lug terminals 1 2 3 7.62 (0.300) 0.30 (0.012) 5.07 (0.200) Thread 1/4 32-NEF-2A 9.52 (0.375) 8.0 (0.315) 2.4 (0.094) 0.9 (0.035) 1.800 (0.071) 4.65 (0.183) FMS 0.300 (0.012) 4.770 (0.188) 6.35 (0.250) 2.54 (0.100) 1.2 (0.047) 12.5 (0.492) 8.85 (0.341) 0.6 (0.024) 2.54 (0.100) 12.5 (0.492) FMS 8.83 (0.348) 6.35 (0.250) 3.17 (0.125) 0.6 (0.024) 12.5 (0.492) 0.8 (0.031) 4.900 (0.193) 16.45 (0.648) 4.7 (0.185) 0.6 (0.024) 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 Revision: 12-Apr-18 Document Number: 57040 1 For technical questions, contact: sferpottrimmers@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 148, 149 www.vishay.com Vishay Spectrol ELECTRICAL SPECIFICATIONS PARAMETER 148 linear Resistance range non-linear linear Tolerance non-linear 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 % Linearity (typical) 5 % independent 4 maximum each end End resistance 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 % c a Circuit diagram (3) (1) b (2) cw 270 10 without rotary switch 240 10 with rotary switch Effective rotation Contact resistance variation (typical) 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) End stop torque 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. single Weight (approx.) Terminals 0.19 oz. dual 0.27 oz. triple 0.35 oz. electrical elements e3: pure Sn 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) Temperature cycling (5 cycles) Load life (1000 h rated load at 70 C) 10 % RT Mechanical endurance TCR (typical) 5 % RT 50 000 cycles 500 ppm/C Sealing 150 ppm/C IP64 Note * Nothing stated herein shall be construed as a guarantee of quality or durability MARKING Vishay logo, SAP code of ohmic value, tolerance in %, variation law, manufacturing date (four digits), "3" for the lead 3, product series (148, 149) Revision: 12-Apr-18 Document Number: 57040 2 For technical questions, contact: sferpottrimmers@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 148, 149 www.vishay.com 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. CODE All 148, 149 bushings have a double flat. When panel mounting holes have been punched accordingly, an anti-rotation lug is not necessary. VERSION A B L C 12 9 BUSHING A, B BUSHING F EFFECTIVE HIGH PEG 0.7 O d mm 2 2 L mm 6.2 6.2 - O d mm 2 2 0.7 L mm 7.75 7.75 - O d mm - 3.5 1.1 L mm - 13.5 - 3 Locating pegs are supplied in separate bags with nuts and washers 6 Od RSID OPTION: ROTARY SWITCH MODULES 5.08 2.54 * * * * Rotary switches Current up to 2 A SPDT: Single pole, changeover switch in CCW position - 3 pins Sealing IP60 L l Spacer module 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. 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 The switch actuation travel is 25 with a total mechanical travel of 300 5 and electrical travel of electrical modules is 238 10. RSID Single Pole CHANGEOVER 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. 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 Dielectric Strength 2A 100 m Terminal to Terminal 1000 VRMS Terminal to Bushing 2000 VRMS 250 V 30 V = Maximum Voltage Operation Insulation Resistance Between Contacts Life at Pmax. 106 M 10 000 actuations Minimal Travel 25 Operating Temperature -40 C to +85 C ELECTRICAL DIAGRAM RSID CCW POSITION 1 2 3 (1) Note (1) Common Revision: 12-Apr-18 Document Number: 57040 3 For technical questions, contact: sferpottrimmers@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 148, 149 www.vishay.com 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 LOCATING PEG 0 = without A B C BUSHING S X 1 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 SHAFT O L OLD CODES O FMS OLD CODES A 1/4" 1/4" N BB 1/8" 1/2" 32 B 1/4" 3/8" J BG 1/8" 5/8" 40 F 3/8" 3/8" 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 PCB pins 2.54 mm (0.100") PCB pins and support plates 2.54 mm (0.100") Sold, lugs 4.65 mm (0.183") X13 A10 A13 Y00 Y03 SPACE BETWEEN MODULES 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 RELATED DOCUMENTS APPLICATION NOTES Potentiometers and Trimmers www.vishay.com/doc?51001 Guidelines for Vishay Sfernice Resistive and Inductive Components www.vishay.com/doc?52029 Revision: 12-Apr-18 Document Number: 57040 4 For technical questions, contact: sferpottrimmers@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. 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. (c) 2021 VISHAY INTERTECHNOLOGY, INC. ALL RIGHTS RESERVED Revision: 01-Jan-2021 1 Document Number: 91000