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)
.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.
ADJ. SLOT
1.78
(.070)
.51
(.020)
.64
(.025)
WIDE
X
X
DEEP
DIA.
RJR26FA
RJ26FW /
RJR26FW
1.52 ± .25
(.060 ± .010)
.38 ± .25
(.015 ± .010)
123
RJ26FX /
RJR26FX
RJ26FP /
RJR26FP
RJR26FB
TYP.
6.35 ± .25
(.250 ± .010)
4.31 ± .38
(.170 ± .015)
1.01 ± .25
(.040 ± .010)
1.02
(.040)
1.02
(.040)
2.54
(.100)
2.54
(.100)
2.54
(.100)
.76
(.030)
MIN.
1.52 ± .25
(.060 ± .010)
.46 ±.03
(.018 ±.001)
123
.38 ± .25
(.015 ± .010)
4.88 ± .51
(.192 ± .020)
6.85 ± .51
(.270 ± .020)
TYP.
1.22 ± .25
(.048 ± .010)
.76
(.030)
1.02
(.040)
2.54
(.100)
2.54
(.100)
2.54
(.100)
DIA.
ADJ. SLOT
1.78
(.070)
DIA.
.51
(.020)
.64
(.025)
WIDE
X
X
DEEP
TOLERANCES: ±
0.25
EXCEPT WHERE NOTED
(.010)
DIMENSIONS:
MM
(INCHES)
1
3
CW
CLOCKWISE
CCW
2
WIPER
Features
■ Multiturn / Cermet / Industrial / Sealed
■ Listed on the QPL per MIL-PRF-22097 and
High-Rel MIL-PRF-39035
■ For trimmer applications/processing
guidelines,
click here
RJ26/RJR26 - 1/4 ” Trimpot
®
Trimming Potentiometer
“Trimpot” is a registered trademark of Bourns, Inc.
Specifi cations are subject to change without notice.
The device characteristics and parameters in this data sheet can and do vary in different applications and actual
device performance may vary over time.
Users should verify actual device performance in their specifi c applications.
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.................................... Infi nite
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 Coeffi cient ....±100 ppm/°C
Seal Test ...................... 85 °C Fluorinert*
Humidity
RJ26 .......... MIL-STD-202 Method 106
96 hours (1 % ΔTR, 10 Megohms IR)
RJR26 ....... MIL-STD-202 Method 106
96 hours (1 % ΔTR, 100 Megohms IR)
Vibration ....... 20 G (1 % ΔTR; 1 % ΔVR)
Shock.......... 100 G (1 % ΔTR; 1 % ΔVR)
Load Life
RJ26 ..1,000 hours 0.25 watt @ 85 °C
(2 % ΔTR; 1 % ΔVR)
RJR26 .10,000 hours 0.25 watt @ 85 °C
(3 % ΔTR)
Rotational Life........................200 cycles
(2 % ΔTR)
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
Product Dimensions
REV. 12/13
Standard Resistance Table
How To Order
RJ26 F W 202
Model
Characteristic
F = ±100 ppm/°C Temp. Coeff. Max.
Terminal Style
Resistance Code
MIL-PRF-22097
How To Order
RJR26 F W 204 P
Model
Characteristic
F = ±100 ppm/°C Temp. Coeff. Max.
Terminal Style
Resistance Code
Failure Rate
M = 1.0 %
P = 0.1 %
R = 0.01 %
MIL-PRF-39035
AVAILABLE
THROUGH
DISTRIBUTION
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
Resistance Resistance
(Ohms) Code
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
