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RA12SB105K Datasheet(PDF) 1 Page - TOCOSAMERICA, INC. |
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RA12SB105K Datasheet(HTML) 1 Page - TOCOSAMERICA, INC. |
1 / 3 page TOCOS AMERICA, INC. 1177 East Tower Road, Schaumburg, IL 60173 Tel: 847-884-6664 Fax: 847-884-6665 E-mail: sales@tocos.com www.tocos.com 101 Specifications Electrical Standard Resistance Range . . . . . . . . . . . . . 10 Ω to 20kΩ (standard 1, 2 & 5 sequence ) Resistance Tolerance . . . . . . . . . . . . . . . . . 10% standard End Resistance . . . . . . . . 0.2% or 1 Ω, whichever is greater Resistance Taper . . . . . . . . . . . . . . . . . . . . . . . . . . . . Linear Peak Noise (C.R.V.) . . . . . 0.5% or 2 Ω, whichever is greater Power Rating . . . . . . . . 0.5 watt at 70 C, 0 watt at 125 C Temperature Coefficient . . . . . . . . . . . . . . . . . 50ppm / C Insulation Resistance . . . . . 1,000M Ω minimum at 500VDC Dielectric Strength . . . . . . . . . . . . . . . . . 900VAC, 1 minute Adjustment Travel . . . . . . . . . . . . . . . . . . . . . . . . . 270 10 Mechanical Mechanical Travel . . . . . . . . . . . . . . . . . . . . . . . . . 300 10 Shaft Torque . . . . . . . . 30 to 300 gf • cm (0.42 to 4.16 oz • in) Stop Strength . . . . . . . . . . . . . . 1 kgf • cm (13.86 oz • in) min. Flammability of Plastic Materials . . . . . . . Meets UL 94V-0 Nominal Weight . . . . . . . . . . . . . . . . . . . 1.5g (P); 2.4g (S, X ) Marking . . . . . . . . . . . . . . . . . . Resistance code, date code, model type, terminal identification Environmental Temperature Range . . . . . . . . . . . . . . . . . 55 Cto 125 C Low Temperature Exposure . . . . . . . . . . . . 55 C, 1 hours ∆T/R ) 1% 0.05Ω High Temperature Exposure . . . . . . . . . 125 C, 250 hours ∆T/R ) 1% 0.05Ω Load Life . . . . . . . . . . . . . . . . . 70 C, 0.5 watt, 1,000 hours ∆T/R ) 2% Thermal Shock . . . . . . . . . . . . . . . . . . . . . . 55 C, 125 C, 30 minutes each, 5 cycles ∆T/R ) 1% 0.05Ω Humidity . . . . . . . . . . . . . . . . . . . . . . . . 40 C, 90-95%RH, 0.5 watt, 500 hours ∆T/R ) 2% Soldering Heat Resistance . . . . . . . . . . . 350 C, 5 seconds ∆T/R ) 1% 0.05Ω Seal Test . . . . . . . . . . . . . . . . . 85 C, hot water for 1 minute Rotational Life . . . . . . . . . . 200 cycles without discontinuity ∆T/R ) 2% ∆T/R = Total Resistance Change; S.S. = Setting Stability (voltage ratio) RA12 Series 12mm Round, Single-Turn, Through-Hole Sealed Wirewound Trimmers TOCOS® POTENTIOMETERS Features 12mm round, single-turn, through-hole, sealed wirewound trimmers Top and side adjust styles available Low equivalent noise resistance High setting stability Low temperature coefficient Long rotational life Meets UL 94V-0 flammability requirements Sealed to withstand wave soldering and immersion cleaning processes |
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