*“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.

RJ24/RJR24 - 3/8 ” Square Trimming Potentiometer

Features

■

Multiturn / Cermet / Industrial / Sealed

■

Standoffs

■

Patent #4427966 drive mechanism

■

Listed on the QPL per MIL-R-22097 and

High-Rel Mil-R-39035

Electrical Characteristics

Standard Resistance Range

....................................10 to 1 megohm

(see standard resistance table)

Resistance Tolerance ............±10 % std.

Absolute Minimum Resistance

RJ24 ...................2 % or 20 ohms max.

(whichever is greater)

RJR24 ...................2 % or 2 ohms max.

(whichever is greater)

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.

Dielectric Strength

Sea Level ...............................1,000 vac

80,000 Feet...............................400 vac

Effective Travel..................25 turns nom.

Environmental Characteristics

Power Rating (300 volts max.)

85 °C ........................................0.5 watt

150 °C .........................................0 watt

Temperature Range

..................................-55 °C to +150 °C

Temperature Coefficient

.........................................±100 ppm/°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.........20 G (1 % ∆TR; 1 % ∆VR)

Shock...........100 G (1 % ∆TR; 1 % ∆VR)

Load Life

RJ24 ......1,000 hours 0.5 watt @ 85 °C

(2 % ∆TR; 10% ∆VR)

RJR24..10,000 hours 0.5 watt @ 85 °C

(3 % ∆TR)

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,

date code

Wiper................50 % (Actual TR) ±10 %

Flammability ..........................U.L. 94V-0

Standard Packaging .....50 pcs. per tube

Adjustment Tool ..............................H-90

1

CLOCKWISE

CCW

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

DIMENSIONS ARE:

MM

(INCHES)

TOLERANCES: ± 0.25 (.010) EXCEPT WHERE NOTED

REV. 09/05

10.64

(.419)

152.4

(6.00)

MIN. LENGTH

WIRE SIZE: 30AWG

3292P

3.81 + .25/-.13*

(.150 +.010/-.005)

1.02

(.040)

1.57

(.062)

MIN.

ADJ. SLOT

1.52

(.060)

.51

(.020)

.64

(.025)

WIDE

X

X

DEEP

DIA.

Product Dimensions

Common Dimensions

RJ24FP/RJR24FP

RJ24FL

RJ24FW/RJR24FW

RJ24FX/RJR24FX

How To Order

MIL-PRF-22097

RJ24 F L 202

Model

Characteristic

F = ±100 ppm/°C Temp. Coeff. Max.

Terminal Style

Resistance Code

How To Order

MIL-PRF-39035

RJR24 F W 502 R

Model

Characteristic

F = ±100 ppm/°C Temp. Coeff. Max.

Terminal Style

Resistance Code

Failure Rate

M = 1.0 %

P = 0.1 %

R = 0.01 %

1.27 ± 0.1

(.050 ± .004)

4.83 ± .13

(.190 ± .005)

9.53

(.375)

1.27 ± 0.1

(.050 ± .004)

10.03

(.395)

1.52

(.060)

.38

(.015)

6.40 ± 1.32

(.252 ± .052)

.51 ± .03

(.020 ± .001)

2.54

(.100)

2.54

(.100)

MIN.

DIA.

ADJ. SLOT

2.19

(.086)

.56

(.022)

.76

(.030)

WIDE

X

X

DEEP

DIA.

4.83

(.190)

2

3

1

2

3

1

2.41

(.095)

2

3

1

8.26 ± .64

(.325 ± .025)

2.54

(.100)

2.54

(.100)

2.54

(.100)

2.54

(.100)

2.54

(.100)

2.54

(.100)

2.54

(.100)

2.41

(.095)