Model 7480 7/8 Diameter 5 Turn Wirewound Precision Potentiometer MODEL STYLES AVAILABLE 7481 1/8 Shaft, 1/4 Bushing 7483 1/8 Shaft, Servo 7486 1/4 Shaft, 3/8 Bushing 7488 (for heavy side load applications) 1/4 Shaft, 3/8 Bushing 1 ELECTRICAL Resistance Range 100 to 50K ohms Standard Resistance Tolerance 5% Minimum Practical Resistance Tolerance 1% 2 Independent Linearity 0.25% Minimum Practical Independent Linearity 0.25% (<500 ohms), 0.20% (500 ohms) Power Rating 1.5 Watts at 70C, derating to 0 at 125C Dielectric Strength 1,000 V rms Insulation Resistance 1,000 Megohms minimum Noise 100 ohms maximum Actual Electrical Travel 1800 +10 -0 (>100 ohms), 1800 +10 -5 (100 ohms) End Voltage maximum 0.25% of input voltage Tap Tolerance 3 MECHANICAL Total Mechanical Travel 1800 +15 -0 Number of Gangs 2 maximum Weight (single gang) 0.75 oz. nominal Backlash 1 maximum 7481, 7486 7483 Static Stop Strength maximum 48 oz.-in. 36 oz.-in. Panel Nut Tightening Torque maximum 25 lb.-in. n/a Shaft End Play maximum 0.010 0.005 Shaft Runout maximum T.I.R. 0.003 0.002 Pilot Diameter Runout maximum T.I.R. 0.004 0.002 Lateral Runout maximum T.I.R. 0.005 0.004 Shaft Radial Play maximum 0.003 0.002 Start/Run Torque (per gang, ES option adds 0.5 oz.-in.) maximum 1.2 oz.-in. 0.9 oz.-in. 1 Specifications subject to change without notice. 2 Linearity is measured between 1% and 99% of input voltage. RoHS 2 Pb compliant BI Technologies Corporation 4200 Bonita Place, Fullerton, CA 92835 USA Phone: 714 447 2345 Website: www.bitechnologies.com February 19, 2015 Model 7480 page 1 of 4Model 7480 ENVIRONMENTAL (MIL-PRF-12934) Operating Temperature Range -40C to +125C dynamic, -55C to +125C static Temperature Cycling 5 cycles, -55C to +125C, maximum 5% R Shock 6 ms Saw-tooth, 100 Gs, 0.1 ms maximum discontinuity Vibration 15 Gs, 10 to 2,000 Hz, maximum 5% R, 0.1 ms maximum discontinuity Moisture Resistance Five 24 hour cycles, maximum 3% R High Temperature Exposure 1,000 hours at 125C, maximum 5% R Rotational Load Life (1 lb side load for 7488) 500K shaft revolutions + 900 hours at 1.5 Watts & 70C, maximum 5% R Ingress Protection Rating (IP Code) IP50, IP66 available as option (feature code ES) ORDERING INFORMATION 7486 R 10K T2 L.5 xx Model Series Optional Feature Code (see table) Resistance Prefix Linearity Resistance Value Optional Non-standard Tolerance FEATURE CODES STANDARD RESISTANCE VALUES Center Tap CT Theoretical Total Resistance Resolution Tempco of wire Linearity Tape LT (Ohms) (% nominal) (ppm/C) Flatted Shaft FS 100 0.059 20 Slotted Shaft (standard on single cup 7486 without SS 200 0.037 20 RS feature) 500 0.030 20 Rear Shaft Extension (7481, 7486 single cup only) RS 1K 0.024 20 Shaft Lock (7486 only) SL 2K 0.020 20 High Torque 2-6 oz.-in. (7486 only) HT 5K 0.018 20 Additional Gang 2G 10K 0.017 20 Gold Plated Solder Lug Terminals (see optional FT 20K 0.016 20 terminal configuration) Seal (IP66) 7486 or 7488 only ES CIRCUIT DIAGRAM When multiple Feature codes are used the P/N shall be in the same sequence as listed in this table (top to bottom). (S) (CCW) (CW) BI Technologies Corporation 4200 Bonita Place, Fullerton, CA 92835 USA Phone: 714 447 2345 Website: www.bitechnologies.com February 19, 2015 Model 7480 page 2 of 4