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/ Cermet / Industrial / Sealed
Listed on the QPL for style RJ26 per
MIL-R-22097 and RJR26 per
High-Rel MIL-R-39035
Patent #4427966 drive mechanism
3262/RJ26/RJR26 - 1/4” Trimming Potentiometer
Electrical Characteristics
Standard Resistance Range
........................................10 to 1 megohm
(see standard resistance table)
Resistance Tolerance .................±10% std.
(tighter tolerance available)
Absolute Minimum Resistance..........1% 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.
Physical Characteristics (cont.)
Weight ..........................................0.015 oz.
Marking
3262 ................Manufacturer’s trademark,
resistance code, wiring diagram,
date code, manufacturer’s model
number and style
RJ26/RJR26 ...........Mil-spec part number
Wiper................Positioned at 50% nominal
Flammability ...............................U.L. 94V-0
Standard Packaging .........50 pcs. per tube
Adjustment Tool ..................................H-90
3262P/RJ26/RJR26
1.02
(.040)
.64
(.025)
1 2 3
4.70
(.185)
2.54
(.100)
2.54
(.100)
2.54
(.100)
.64
(.025)
How To Order
3262 P - 1 - 103
Model
Style
Standard or Modified
Product Indicator
-1 = Standard Product
Resistance Code
See page 82 for RJ26/RJR26 ordering
information.
Consult factory for other available options.
CCW
2
1
CLOCKWISE
WIPER
3
CW
Environmental Characteristics
Power Rating
(3262 300 volts max.;
RJ26/RJR26 200 volts max.)
85°C ...........................................0.25 watt
150°C ..............................................0 watt
Temperature Range ..........-65°C to +150°C
Temperature Coefficient .........±100ppm/°C
Seal Test ............................85°C Fluorinert*
Humidity
3262 ................MIL-STD-202 Method 103
96 hours (2%
∆TR,
100 Megohms IR)
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
3262 ....................30G (1%
∆TR;
1%
∆VR)
RJ26/RJR26........20G (1%
∆TR;
1%
∆VR)
Shock..................100G (1%
∆TR;
1%
∆VR)
Load Life
3262 .........1,000 hours 0.25 watt @ 85°C
(3%
∆TR;
3% or 3 ohms,
whichever is greater, CRV)
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
3262 ..................(2%
∆TR;
3% or 3 ohms,
whichever is greater, CRV)
RJ26/RJR26...............................(2%
∆TR)
TOLERANCES: ± 0.25 (.010) EXCEPT WHERE NOTED
DIMENSIONS ARE:
METRIC
(INCHES)
3262W/RJ26/RJR26
Common Dimensions
4.32
±
.38
(.170
±
.015)
6.35
±
.51
(.250
±
.020)
ADJ. SLOT
1.78
DIA.
(.070)
.51
X (.020) WIDE
.64
X (.025) DEEP
6.35
±
.51
(.250
±
.020)
1.02
(.040)
4.78
±
.38
(.188
±
.015)
2.54
(.100)
2.54
(.100)
1.02
(.040)
3262X/RJ26/RJR26
Standard Resistance Table
Resistance
(Ohms)
10
20
50
100
200
500
1,000
2,000
5,000
10,000
20,000
25,000
50,000
100,000
200,000
250,000
500,000
1,000,000
Resistance
Code
100
200
500
101
201
501
102
202
502
103
203
253
503
104
204
254
504
105
1 2 3
.46
±
.025 DIA.
(.018
±
.001)
2.54
(.100)
.76
(.030)
1.02
(.040)
1.52
±
.38*
(.060
±
.015)
Popular values listed in boldface. Special
resistances available.
SHADED AREAS TYPICALLY NOT STOCKED BY
DISTRIBUTORS AND NOT RECOMMENDED FOR NEW
DESIGNS.
1 2 3
1.02*
(.040)
2.54
(.100)
Physical Characteristics
Torque..................................3.0 oz-in. max.
Mechanical Stops......................Wiper idles
Terminals
3262 .................................Solderable pins
RJ26/RJR26...MIL-STD-202; Method 208
*”FLUORINERT” IS A REGISTERED TRADEMARK OF 3M CO.
Specifications are subject to change without notice.
2.54
(.100)
1.02
(.040)
*Common dimensions
.76
(.030)
19
BOURNS [ BOURNS ELECTRONIC SOLUTIONS ]
