248BBHS0XB25501MA

248, 249 www.vishay.com Vishay Spectrol 1/2" (12.7 mm) Conductive Plastic and Cermet Potentiometers FEATURES • Model 248: 0.5 W at 70 °C (conductive plastic element) • Model 249: 1 W at 70 °C (cermet element) • Cost effective panel potentiometer • PCB mounting • Tests according to CECC 41000 or IEC 60393-1 • Material categorization: For definitions of compliance please see www.vishay.com/doc?99912 DIMENSIONS in millimeters (inches) ± 0.5 mm (± 0.02") X = Standards leads METAL OR PLASTIC SHAFTS Screwdriver slot shown in mid electrical travel 22.22 (0.875) ± 0.75 12.7 (0.500) ± 0.4 Mounting surface 7.6 (0.300) ± 0.4 0.8 (0.30) wide × 0.8 (0.03) deep 9.5 (0.375) Ø 6.35 (0.250) - 0.0 0.5 12.7 (0.500) ± 0.4 0.41 (0.016) 3/8" - 32 NEF - 2A 0.5 (0.020) 0.36 (0.014) 5.08 (0.200) ± 0.25 6.9 (0.272) 2.54 (0.100) ± 0.25 METAL SHAFT 2.54 (0.100) ± 0.25 1/4" - 32 NEF - 2A VISHAY Ø 3.18 (0.125) ± 0.025 9.5 (0.375) 19.05 (0.750) ± 0.75 D = Rear locating lugs 2.34 E = Rear stand off Terminal pins x 3 6.76 (0.266) 3.18 (0.125) 7.62 3.18 PCB surface. 3.14 0.36 2.54 Revision: 12-Aug-13 1.0 typ. 2.55 typ. 8.5 12.70 MTGLUG CI. 10.16 Document Number: 57054 1 For technical questions, contact: sferpottrimmers@vishay.com, see also Application Note: www.vishay.com/doc?51001 and www.vishay.com/doc?52029 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 248, 249 www.vishay.com Vishay Spectrol ELECTRICAL SPECIFICATIONS PARAMETER Element Type MODEL 248 Conductive plastic MODEL 249 Cermet 500  to 1 M Total Resistance Range Standard Series 1, 2, 5 Resistance Tolerance ± 20 % ± 20 % (on request ± 10 %) 0.5 W at 70 °C 1.0 W at 70 °C 1 Linear POWER IN W Power Rating POWER IN W 0.5 0 0 0 25 50 70 100 125 150 AMBIENT TEMPERATURE IN °C 0 25 50 70 100 125 150 AMBIENT TEMPERATURE IN °C 2 CW Circuit Diagram 3 1 Temperature Coefficient of Resistance (Typical) ± 500 ppm/°C ± 150 ppm/°C Linearity (Typical) ± 5 % independent Limitng Element Voltage 300 V Contact Resistance Variation (Typical) 5 % of the total resistance Insulation Resistance 1000 M minimum, 500 VDC Dielectric Strength 750 VRMS minimum 50 Hz/60 Hz 2  maximum each end End Resistance Effective Electrical Travel 265° ± 5° MECHANICAL SPECIFICATIONS Mechanical Travel 295° ± 5° Operating Torque 0.1 Ncm to 2 Ncm End Stop Torque 35 Ncm (50 oz.-inch) Max. Tightening Torque MARKING • Vishay trademark • Part number 1/4" Bush 50 Ncm • Tolerance 3/8" Bush 70 Ncm • Date code Weight 8.3 g (0.29 oz.) (1/4" x 7/8" FMF metal shaft) • Terminal identification ENVIRONMENTAL SPECIFICATIONS Temperature Range Climatic Category Sealing Revision: 12-Aug-13 - 55 °C to 125 °C PACKAGING - In box of 50 pieces, code B25 (BO50) 55/125/4 IP50 Document Number: 57054 2 For technical questions, contact: sferpottrimmers@vishay.com, see also Application Note: www.vishay.com/doc?51001 and www.vishay.com/doc?52029 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 248, 249 www.vishay.com Vishay Spectrol PERFORMANCE TESTS CONDITIONS TYPICAL VALUES AND DRIFTS FOR 249 RT/RT (%) R1-2/R1-2 (%) OTHER 1000 h at rated power 90’/30’ - ambient temp. 70 °C ±3% ±5% Contact res. variation: < 1 % 4 days 40 °C 93 % HR ±2% - Dielectric strength: 1000 VRMS Insulation resistance: > 104 M Change of Temperature 5 cycles, - 55 °C at + 125 °C ±1% - V1-2/V1-3  ± 2 % Mechanical Endurance 10 000 cycles ±3% - Contact res. variation:  2 % Rn 50 g’s at 11 ms 3 successive shocks in 3 directions ±1% ±2% - 10 Hz to 55 Hz, 0.75 mm or 10 g’s during 6 h ±1% - V1-2/V1-3  ± 2 % Electrical Endurance Damp Heat, Staedy State Shock Vibration STANDARD RESISTANCE ELEMENT DATA STANDARD RESISTANCE VALUES 248 LINEAR TAPER MAX. POWER AT 70 °C 249 LINEAR TAPER MAX. WORKING VOLTAGE MAX. WIPER CURRENT MAX. POWER AT 70 °C MAX. WORKING VOLTAGE MAX. WIPER CURRENT  W V mA W V mA 500 0.5 15.8 32 1 22.4 45 1K 0.5 22.4 22 1 31.6 32 2K 0.5 31.6 16 1 44.7 22 2.5K 0.5 35.4 14 1 50.0 20 5K 0.5 50.0 10 1 70.7 14 10K 0.5 70.7 7 1 100 10 20K 0.5 100 5.0 1 141 7 25K 0.5 112 4.5 1 158 6 50K 0.5 158 3.2 1 224 4 100K 0.5 224 2.2 0.90 300 3.0 200K 0.45 300 1.50 0.45 300 1.5 250K 0.36 300 1.20 0.36 300 1.2 500K 0.18 300 0.60 0.18 300 0.6 1M 0.09 300 0.30 0.09 300 0.3 Revision: 12-Aug-13 Document Number: 57054 3 For technical questions, contact: sferpottrimmers@vishay.com, see also Application Note: www.vishay.com/doc?51001 and www.vishay.com/doc?52029 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 248, 249 www.vishay.com Vishay Spectrol ORDERING INFORMATION (part number) 2 4 8 MODEL BUSHING 248 = Plastic conductive 249 = Cermet element F = Ø 3/8" B = Ø 1/4" F G J SHAFT Ø L P X SHAFT END Old codes GJ 1/4" 7/8" 7 and 9 BH 1/8" 3/4" AP S 8 S = Slotted R = Round F = Flatted D = Custom B 2 SHAFT MATERIAL 0 = Metal (old codes 8 and 9) P = Plastic (old code 7) 5 2 5 2 M A LEADS PACKAGING RESISTANCE CODE/TOLERANCE/TAPER OR SPECIAL D E X = Std B25 = Box 50 pieces Resistance: From 501 = 500  to 105 = 1 M Tolerance: M = 20 %; On request : K = 10 % (249 only) Custom shaft Taper: A = Linear; L = Logarithmic (old code J) or special code given by Vishay PART NUMBER DESCRIPTION (for information only) 248 F GJ MODEL BUSHING SHAFT Revision: 12-Aug-13 S P X BO50 2K5 20 % A e3 SHAFT SHAFT LEAD LEADS PACKAGING VALUE TOLERANCE TAPER SPECIAL SPECIAL END MATERIAL FINISH Document Number: 57054 4 For technical questions, contact: sferpottrimmers@vishay.com, see also Application Note: www.vishay.com/doc?51001 and www.vishay.com/doc?52029 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. Vishay makes no warranty, representation or guarantee regarding the suitability of the products for any particular purpose or the continuing production of any product. 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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