7281 Datasheet, PDF (2/4 Pages) Bi technologies – 7/8 Diameter 10-Turn Wirewound Precision Potentiometer

Model 7280
ENVIRONMENTAL (MIL-PRF-12934)
Operating Temperature Range
Temperature Cycling
Shock
Vibration
Moisture Resistance
High Temperature Exposure
Rotational Load Life (1 lb side load for 7288)
Ingress Protection Rating (IP Code)
-40°C to +125°C dynamic, -55°C to +125°C static
5 cycles, -55°C to +125°C, maximum 5% ΔR
6 ms Saw-tooth, 100 G’s, 0.1 ms maximum discontinuity
15 G’s, 10 to 2,000 Hz, maximum 5% ΔR, 0.1 ms maximum discontinuity
Five 24 hour cycles, maximum 3% ΔR
1,000 hours at 125°C, maximum 5% ΔR
1M shaft revolutions + 900 hours at 2.0 Watts & 70°C, maximum 5% ΔR
IP50, IP66 available as option (feature code ES)
ORDERING INFORMATION
Model Series
Resistance Prefix
Resistance Value
7286 R 10K T2 L.25 xx
Linearity
Optional Feature Code (see table)
No code required for
slotted shaft 7284/7286/7288
or for plain shaft 7281/7283
Optional Non-standard Tolerance
FEATURE CODES
7281, 7283 plain shaft
7284, 7286, 7288 slotted shaft
no
code
Center Tap
CT
Linearity Tape
LT
Flatted Shaft
FS
Slotted Shaft (standard on single cup 7284, 7286 & SS
7288 without RS feature)
Rear Shaft Extension (7281, 7286, 7288 single cup RS
only)
Shaft Lock (7286 & 7288 only)
SL
High Torque 2-6 oz.-in. (7286 & 7288 only)
HT
Additional Gang
2G
Gold Plated Solder Lug Terminals (see optional
FT
terminal configuration)
Seal (IP66) 7284, 7286, or 7288 only
ES
When multiple Feature Codes are used the P/N shall be in the
same sequence as listed in this table (top to bottom).
STANDARD RESISTANCE VALUES
Total Resistance
(Ohms)
100
200
500
1K
2K
5K
10K
20K
50K
100K
Theoretical
Resolution
(% nominal)
0.059
0.037
0.030
0.024
0.020
0.018
0.017
0.016
0.010
0.008
Tempco of wire
(ppm/°C)
±20
±20
±20
±20
±20
±20
±20
±20
±20
±20
CIRCUIT DIAGRAM
(S)
(CCW)
(CW)
BI Technologies Corporation
4200 Bonita Place, Fullerton, CA 92835 USA
Phone: [phone] Website: www.bitechnologies.com
September 1, 2015
Model 7280 page 2 of 4