Features

■ Listed on the QPL for style RT24 per

MIL-R-27208 and RTR24 per

High-Rel MIL-R-39015

■ Panel mount option available

guidelines, click here

*RoHS Directive 2002/95/EC Jan 27 2003 including Annex.

“Trimpot” is a registered trademark of Bourns, Inc.

†“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

Electrical Characteristics

Standard Resistance Range

.................................. 10 to 50K ohms

(see standard resistance table)

Resistance Tolerance ............. ±5 % std.

(tighter tolerance available)

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 ............... 1.0 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 .......MIL-STD-202 Method 106

96 hours (2 %

ΔTR; 100 Megohms IR)

Vibration ......................................... 30 G

(1 %

ΔTR; 0.5 % + resolution ΔVR)

Shock ........................................... 100 G

(1 %

ΔTR; 0.5 % + resolution ΔVR)

Load Life ..1,000 hours 1.0 watt @ 85 °C

(2 %

ΔTR; 500 ohms ENR)

Rotational Life .......................200 cycles

(2 %

ΔTR; 500 ohms ENR)

Physical Characteristics

Torque............................. 5.0 oz-in. max.

Mechanical Stops................. Wiper idles

Terminals Solderable printed circuit pins

Weight ..................................... 0.025 oz.

Marking.........Manufacturer’s trademark,

resistance code, wiring diagram,

date code, manufacturer’s model

number and style

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

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

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

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

Product Dimensions

1

CLOCKWISE

CCW

How To Order

3290 H - 1 - 103 M

Model

Style

Standard or Modified

Product Indicator

-1 = Standard Product

Resistance Code

Optional Suffix Letter

M = Panel Mount

(Factory Installed)

Consult factory for other available options.

REV. 08/10

TOLERANCES: ±

0.25

EXCEPT WHERE NOTED

(.010)

DIMENSIONS:

MM

(INCHES)

3290H

Common Dimensions

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)

32 1

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

X

DEEP

DIA.

3290P

3290W

Standard Resistance Table

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

20,000

203

0.14

25,000

253

0.13

50,000

503

0.11

Popular values listed in boldface. Special

resistances available.

**Common dimensions