RJ26/RJR26 - 1/4 ” Trimming Potentiometer
*“Fluorinert” is a registered trademark of 3M Co.
Specifications are subject to change without notice.
Customers should verify actual device performance in their specific applications.
Features
■ Multiturn / Cermet / Industrial / Sealed
■Listed on the QPL per MIL-PRF-22097
and High-Rel MIL-PRF-39035
■Patent #4427966 drive mechanism
Electrical Characteristics
Standard Resistance Range
........................................10 to 1 megohm
(see standard resistance table)
Resistance Tolerance ................±10 % std.
Absolute Minimum Resistance
RJ26 ...............................................2 % or
20 ohms max. (whichever is greater)
RJR26.............................................2 % or
2 ohms max. (whichever is greater)
Contact Resistance Variation........3.0 % or
3 ohms max. (whichever is greater)
Adjustability
Voltage.........................................±0.02 %
Resistance...................................±0.05 %
Resolution.........................................Infinite
Insulation Resistance ....................500 vdc.
1,000 megohms min.
Dielectric Strength
Sea Level ......................................600 vac
80,000 Feet...................................250 vac
Effective Travel......................12 turns nom.
Environmental Characteristics
Power Rating (200 volts max.)
85 °C ..........................................0.25 watt
150 °C .............................................0 watt
Temperature Range ........-65 °C to +150 °C
Temperature Coefficient ........±100 ppm/°C
Seal Test ...........................85 °C Fluorinert*
Humidity
RJ26................MIL-STD-202 Method 106
96 hours (1 % ∆TR, 10 Megohms IR)
RJR26 .............MIL-STD-202 Method 106
96 hours (1 % ∆TR, 100 Megohms IR)
Vibration ............20 G (1 % ∆TR; 1 % ∆VR)
Shock ..............100 G (1 % ∆TR; 1 % ∆VR)
Load Life
RJ26 ........1,000 hours 0.25 watt @ 85 °C
(2 % ∆TR; 1 % ∆VR)
RJR26....10,000 hours 0.25 watt @ 85 °C
(3 % ∆TR)
Rotational Life............................200 cycles
(2 % ∆TR)
Physical Characteristics
Torque..................................3.0 oz-in. max.
Mechanical Stops......................Wiper idles
Terminals ..........MIL-STD-202; Method 208
Weight ..........................................0.015 oz.
Marking.....................Mil-spec part number
Wiper....................50 % (Actual TR) ±10 %
Flammability...............................U.L. 94V-0
Standard Packaging .........50 pcs. per tube
Adjustment Tool ..................................H-90
13CW
CLOCKWISE
CCW
2WIPER
4.78 ±.38
(.188 ±.015)
.46 ±.025
(.018 ±.001)
123
.76
(.030)
1.02
(.040)
1.52 ±.38**
(.060 ±.015)
123
.76
(.030)
1.02
(.040)
4.70
(.185)
123
1.02
(.040)
.64
(.025)
1.02**
(.040)
6.35 ±.51
(.250 ±.020)
6.35 ±.51
(.250 ±.020)
1.02
(.040)
.64
(.025)
4.32 ±.38
(.170 ±.015)
2.54
(.100)
2.54
(.100)
1.02
(.040)
1.02
(.040)
2.54
(.100)
2.54
(.100)
2.54
(.100)
2.54
(.100) 2.54
(.100)
2.54
(.100)
DIA.
1.52
(.060)
ADJ. SLOT
1.78
(.070)
.51
(.020)
.64
(.025)
WIDE
X
XDEEP
DIA.
Resistance Resistance
(Ohms) Code
10 100
20 200
50 500
100 101
200 201
500 501
1,000 102
2,000 202
5,000 502
10,000 103
20,000 203
25,000 253
50,000 503
100,000 104
200,000 204
250,000 254
500,000 504
1,000,000 105
Standard Resistance Table
AVAILABLE
THROUGH
DISTRIBUTION
DIMENSIONS ARE: MM
(INCHES)
TOLERANCES: ± 0.25 (.010) EXCEPT WHERE NOTED
*Common dimensions
REV. 06/08
Product Dimensions
RJ26FW/RJR26FW
Common Dimensions
RJ26FX/
RJR26FX
RJ26FP/
RJR26FP
How To Order
MIL-PRF-22097 RJ26 F W 202
Model
Characteristic
F = ±100 ppm/°C Temp. Coeff. Max.
Terminal Style
Resistance Code
How To Order
MIL-PRF-39035 RJR26 F W 204 P
Model
Characteristic
F = ±100ppm/°C Temp. Coeff. Max.
Terminal Style
Resistance Code
Failure Rate
M = 1.0 %
P = 0.1 %
R = 0.01 %
