248FGJSPDB25103MA

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 QUICK REFERENCE DATA Multiple module No Switch module n/a Detent module n/a Special electrical laws A: linear, L: logarithmic Sealing level IP 50 Lifespan 10K cycles DIMENSIONS in millimeters (inches) ± 0.5 mm (± 0.02") B Screwdriver slot shown in mid electrical travel Mounting surface 12.7 ± 0.4 (0.500 ± 0.016) 9.5 (0.375) 10 (0.395) 1 (0.039) A 12.7 ± 0.4 (0.500 ± 0.016) S 8.5 (0.335) 0.6 (0.024) C 0.6 (0.024) 0.36 (0.014) 5.08 (0.200) 2.54 ± 0.25 (0.100 ± 0.010) 2.54 ± 0.25 (0.100 ± 0.010) A VERSION BUSHING / SHAFT B SHAFT C S BUSHING SCREWDRIVER Ø L Ø SLOT B / BH 1/8" 3/4" 1/4" 0.8 F / GJ 1/4" 7/8" 3/8" 1.2 Revision: 26-Apr-2024 Document Number: 57054 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 248, 249 www.vishay.com Vishay Spectrol ELECTRICAL SPECIFICATIONS PARAMETER Element type MODEL 248 Conductive plastic Total resistance range MODEL 249 Cermet 500 Ω to 1 MΩ 1 kΩ to 500 kΩ Standard series 1, 2, 5 Resistance tolerance ± 20 % ± 20 % (on request ± 10 %) 0.5 W at 70 °C 1.0 W at 70 °C Linear POWER IN W Power rating 1 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 Limiting element voltage 300 V Contact resistance variation (typical) 5 % of the total resistance Insulation resistance 1000 MΩ minimum, 500 VDC Dielectric strength 750 VRMS minimum 50 Hz / 60 Hz 2 Ω maximum each end End resistance Effective electrical travel 265° ± 5° MECHANICAL SPECIFICATIONS MARKING Mechanical travel 295° ± 5° • Vishay model Operating torque 0.1 Ncm to 2 Ncm • Vishay logo End stop torque 35 Ncm (50 oz.-inch) • Variation law Max. tightening torque Weight 150 Ncm 8.3 g (0.29 oz.) (1/4" x 7/8" FMF metal shaft) • SAP code for ohmic value • Tolerance in % • Date code (4 digits) • Terminal identification “3” for lead 3 ENVIRONMENTAL SPECIFICATIONS Temperature range Climatic category Sealing Revision: 26-Apr-2024 -55 °C to +125 °C 55 / 125 / 4 IP 50 PACKAGING • In box of 25 pieces, code BO25 Note • Hardware supplied in separate bags Document Number: 57054 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 248, 249 www.vishay.com Vishay Spectrol PERFORMANCE TESTS CONDITIONS TYPICAL VALUES AND DRIFTS FOR 249 ΔRT/RT (%) ΔR1-2/R1-2 (%) OTHER 1000 h at rated power 90’/30’ - ambient temp. 70 °C ±3% ±5% Contact res. variation: < 1 % Damp heat, steady state 4 days 40 °C 93 % HR ±2% - Dielectric strength: 1000 VRMS Insulation resistance: > 104 MΩ Change of temperature 5 cycles, -55 °C at +125 °C ±1% - ΔV1-2/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% - ΔV1-2/V1-3 ≤ ± 2 % Electrical endurance Shock Vibration Note • Nothing stated herein shall be construed as a guarantee of quality or durability 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 Ω 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: 26-Apr-2024 Document Number: 57054 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 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 S 0 X L 1/4" 7/8" BH 1/8" 3/4" S = slotted R = round F = flatted 2 5 2 5 2 M A SHAFT MATERIAL LEADS PACKAGING RESISTANCE CODE / TOLERANCE / TAPER OR SPECIAL 0 or P = metal X = std B25 = box of 25 pieces Resistance: From 501 = 500 Ω to 105 = 1 MΩ SHAFT END GJ B Tolerance: M = 20 %; On request: K = 10 % (249 only) Taper: A = linear; L = logarithmic ACCESSORIES Additional Accessories (to order separately) www.vishay.com/doc?51051 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: 26-Apr-2024 Document Number: 57054 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. 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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THE PRODUCTS DESCRIBED HEREIN AND THIS DOCUMENT ARE SUBJECT TO SPECIFIC DISCLAIMERS, SET FORTH AT www.vishay.com/doc?91000 Revision: 01-Jan-2024