Features
■ Multiturn / Cermet / Industrial / Sealed
■ Standoffs
■ Patent #4427966 drive mechanism
■ Listed on the QPL for style RJ24 per
MIL-R-22097 and RJR24 per High-Rel
Mil-R-39035
RJ24/RJR24 - 3/8” Square Trimming Potentiometer
Common Dimensions
Electrical Characteristics
Standard Resistance Table
10.03
(.395)
1.52
(.060)
MIN.
Standard Resistance Range
6.40 ± 1.32
(.252 ± .052)
Resistance
(Ohms)
Resistance
Code
....................................10 to 1 megohm
(see standard resistance table)
Resistance Tolerance .............±10% std.
Absolute Minimum Resistance
...........................................1 ohm max.
Contact Resistance Variation
............................3.0% or 3 ohms max.
(whichever is greater)
Adjustability
Voltage ......................................±0.01%
Resistance ................................±0.05%
Resolution.....................................Infinite
Insulation Resistance ................500 vdc.
1,000 megohms min.
2.54
(.100)
4.83 ± .13
(.190 ± .005)
.38
(.015)
10
100
200
500
101
201
501
102
202
502
103
203
253
503
104
204
254
504
105
20
2.54
50
1.12
(.044)
(.100)
9.53
(.375)
100
200
500
1.09
(.043)
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
.51 ± .03
(.020 ± .001)
DIA.
ADJ. SLOT
2.29
DIA.
(.090)
.56
(.022)
WIDE
X
X
.76
DEEP
(.030)
RJ 24/RJ R24FP
8.26 ± .64
(.325 ± .025)
2.54
(.100)
2.54
(.100)
Dielectric Strength
Sea Level ...............................1,000 vac
80,000 Feet...............................400 vac
Effective Travel..................25 turns nom.
3
Popular values listed in boldface. Special
resistances available.
2
2.54
(.100)
1
5.23
(.206)
Environmental Characteristics
How To Order
Power Rating (300 volts max.)
85°C .........................................0.5 watt
150°C ..........................................0 watt
Temperature Range
....................................-55°C to +150°C
Temperature Coefficient
..........................................±100ppm/°C
Seal Test ........................85°C Fluorinert*
Humidity........MIL-STD-202 Method 106
RJ24 ........................................96 hours
(1% ∆TR, 10 Megohms IR)
RJR24......................................96 hours
(1% ∆TR, 100 Megohms IR)
Vibration............20G (1% ∆TR; 1% ∆VR)
Shock..............100G (1% ∆TR; 1% ∆VR)
Load Life
RJ 24/RJ R24FW
See page 81 for Model RJ24, and page
82 for Model RJR24.
2.41
(.095)
2.54
(.100)
3
2
1
2.54
(.100)
RJ 24/RJ R24FX
2.54
(.100)
3
2
1
2.54
2.41
(.095)
(.100)
RJ24 .......1,000 hours 0.5 watt @ 85°C
(2% ∆TR; 10% ∆VR)
RJR24...10,000 hours 0.5 watt @ 85°C
(3% ∆TR)
WIPER
2
CW
CCW
3
1
Rotational Life ........200 cycles (2% ∆TR)
CLOCKWISE
Physical Characteristics
Torque .............................5.0 oz-in. max.
Mechanical Stops..................Wiper idles
Terminals ......MIL-STD 202, Method 208
Weight ......................................0.025 oz.
Marking ................Mil-spec part number,
date code
TOLERANCES: ± 0.25 (.010) EXCEPT WHERE NOTED
METRIC
DIMENSIONS ARE:
(INCHES)
Wiper ..........Positioned at 50% nominal
Flammability ..........................U.L. 94V-0
Standard Packaging .....50 pcs. per tube
Adjustment Tool ..............................H-90
*”FLUORINERT” IS A REGISTERED TRADEMARK OF 3M CO.
Specifications are subject to change without notice.
28
BOURNS [ BOURNS ELECTRONIC SOLUTIONS ]
