*“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.
RT24/RTR24 - 3/8 ” Square Trimming Potentiometer
Nominal
Resistance Resistance Resolution
(Ohms) Code (Percent)
10 100 1.11
20 200 0.93
50 500 0.62
100 101 0.60
200 201 0.54
500 501 0.42
1,000 102 0.33
2,000 202 0.26
5,000 502 0.20
10,000 103 0.17
3
2
1
1
2
3
4.75
(.187)
2.54
(.100)
4.75
(.187)
2.54
(.100) 2.54
(.100)
2.54
(.100)
2.54
(.100)
1.19
(.075)
3.81
(.150) 1.27*
(.050)
1.52*
(.060)
1.91
(.075)
1.02
(.040)
9.53 ± .38*
(.375 ± .015)
321
2.54
(.100)
4.75
(.187)
9.53 ± .38*
(.375 ± .015)
2.54
(.100)
8.00 ± .38
(.315 ± .015)
TYP.*.51 ± .03
(.020 ± .001)
DIA. TYP.*
ADJ. SLOT
1.52
(.060)
.51
(.020)
.64
(.025)
WIDE
X
XDEEP
DIA.
Features
■ Multiturn/ Wirewound / Industrial / Sealed
■Listed on the QPL per MIL-R-27208 and
High-Rel MIL-R-39015
■Panel mount option available
Electrical Characteristics
Standard Resistance Range
RT24 ................................10 to 10K ohms
RTR24............................500 to 10K ohms
(see standard resistance table)
Resistance Tolerance ..................±5 % std.
Absolute Minimum Resistance
.................................0.1 % or 1 ohm max.
(whichever is greater)
Noise ..........................100 ohms ENR max.
Resolution
.................(see standard resistance table)
Insulation Resistance ....................500 vdc.
1,000 megohms min.
Dielectric Strength
Sea Level ...................................1,000 vac
80,000 Feet...................................350 vac
Adjustment Travel .................25 turns nom.
Environmental Characteristics
Power Rating @ 85 °C..................0.75 watt
Power Rating @ 150 °C.....................0 watt
Temperature Range........-65 °C to +150 °C
Temperature Coefficient ..........±50 ppm/°C
Seal Test ...........................85 °C Fluorinert*
Humidity
RT24 ..............(1 % ∆TR; 10 Megohms IR)
RTR24..........(1 % ∆TR; 100 Megohms IR)
Vibration ...............................................20G
(1 % ∆TR; 0.5 % + resolution ∆VR)
Shock .................................................100G
(1 % ∆TR; 0.5 % + resolution ∆VR)
Load Life
RT24........1,000 hours 0.75 watt @ 85 °C
(2 % ∆TR; 2 % + resolution ∆VR)
RTR24....10,000 hours 0.75 watt @ 85 °C
(3 % + resolution ∆VR)
Rotational Life............................200 cycles
(2 % ∆TR)
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
Wiper....................50 % (Actual TR) ±10 %
Flammability...............................U.L. 94V-0
Standard Packaging .........50 pcs. per tube
Adjustment Tool ..................................H-90
13CW
CLOCKWISE
CCW
2WIPER
RT24 Standard Resistance Table
Nominal
Resistance Resistance Resolution
(Ohms) Code (Percent)
500 501 0.42
1,000 102 0.33
2,000 202 0.26
5,000 502 0.20
10,000 103 0.17
RTR24 Standard Resistance Table
AVAILABLE
THROUGH
DISTRIBUTION
DIMENSIONS ARE: MM
(INCHES)
TOLERANCES: ± 0.25 (.010) EXCEPT WHERE NOTED
*Common dimensions
REV. 08/05
Product Dimensions
RT24C2X/RTR24DX
Common Dimensions
RT24C2P/RTR24DP
RT24C2W/RTR24DW
How To Order
MIL-PRF-27208 RT24 C2 P 501
Model
Characteristic
C = ±50 ppm/°C Temp. Coeff. Max.
2 = 85 °C Rating Temp.
150 °C Max. Operating Temp.
Terminal Style
Resistance Code
How To Order
MIL-PRF-39015 RTR24 D P 202 M
Model
Characteristic
D = ±50ppm/°C Temp. Coeff. Max.
Terminal Style
Resistance Code
Failure Rate
M = 1.0 %
