Datasheet

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
Operating Temperature Range -40°C to +125°C dynamic, -55°C to +125°C static
Temperature Cycling 5 cycles, -55°C to +125°C, maximum 5% ΔR
Shock 6 ms Saw-tooth, 100 G’s, 0.1 ms maximum discontinuity
Vibration 15 G’s, 10 to 2,000 Hz, maximum 5% ΔR, 0.1 ms maximum discontinuity
Moisture Resistance Five 24 hour cycles, maximum 3% ΔR
High Temperature Exposure 1,000 hours at 125°C, maximum 5% ΔR
Rotational Load Life (1 lb side load for 7288) 1M shaft revolutions + 900 hours at 2.0 Watts & 70°C, maximum 5% ΔR
Ingress Protection Rating (IP Code) IP50, IP66 available as option (feature code ES)
ENVIRONMENTAL (MIL-PRF-12934)
ORDERING INFORMATION
Model Series
Resistance Prefix
Resistance Value
Optional Feature Code (see table)
No code required for
slotted shaft 7284/7286/7288
or for plain shaft 7281/7283
Optional Non-standard Tolerance
7286 R 10K T2 L.25 xx
FEATURE CODES
Model 7280
Linearity
(CCW)
(S)
(CW)
CIRCUIT DIAGRAM
STANDARD RESISTANCE VALUES
Total Resistance
(Ohms)
Theoretical
Resolution
(% nominal)
Tempco of wire
(ppm/°C)
100 0.059 ±20
200 0.037 ±20
500 0.030 ±20
1K 0.024 ±20
2K 0.020 ±20
5K 0.018 ±20
10K 0.017 ±20
20K 0.016 ±20
50K 0.010 ±20
100K 0.008 ±20
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 &
7288 without RS feature)
SS
Rear Shaft Extension (7281, 7286, 7288 single cup
only)
RS
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
terminal configuration)
FT
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).