Model 7380
7/8 Diameter
3 Turn Wirewound
Precision Potentiometer
MODEL STYLES AVAILABLE
7381 1/8 Shaft, 1/4 Bushing
7383 1/8 Shaft, Servo
7386 1/4 Shaft, 3/8 Bushing
7388 (for heavy side load applications) 1/4 Shaft, 3/8 Bushing
1
ELECTRICAL
Resistance Range 100 to 30K ohms
Standard Resistance Tolerance 5%
Minimum Practical Resistance Tolerance 1%
2
Independent Linearity 0.30% (<500 ohms), 0.25% (500 ohms)
Minimum Practical Independent Linearity 0.30% (<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 1080 +10 -0 (>100 ohms), 1080 +10 -5 (100 ohms)
End Voltage maximum 0.25% of input voltage
Tap Tolerance 3
MECHANICAL
Total Mechanical Travel 1080 +15 -0
Number of Gangs 2 maximum
Weight (single gang) 0.75 oz. nominal
Backlash 1 maximum
7381, 7386 7383
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 7380 page 1 of 4Model 7380
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 7388) 300K 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
7386 R 10K T2 L.5 xx
Optional Feature Code
Model Series
(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 7386 without SS
200 0.037 20
RS feature)
500 0.030 20
Rear Shaft Extension (7381, 7386 single cup only) RS
1K 0.024 20
Shaft Lock (7386 only) SL
2K 0.020 20
High Torque 2-6 oz.-in. (7386 only) HT
5K 0.018 20
Additional Gang 2G
10K 0.017 20
Gold Plated Solder Lug Terminals (see optional FT
terminal configuration)
20K 0.016 20
Seal (IP66) 7386 or 7388 only ES
When multiple Feature codes are used the P/N shall be in the
CIRCUIT DIAGRAM
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 7380 page 2 of 4