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Features

■

Multiturn / Wirewound / Industrial / Sealed

■

Listed on the QPL

for style

RT26

per

MIL-R-27208

■

RoHS compliant*

■

For trimmer applications/processing

guidelines,

click here

3260 - 1/4 ” Square Trimpot

Trimming Potentiometer

Electrical Characteristics

Standard Resistance Range

.................................. 10 to 25K 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 resistance table

Insulation Resistance ............... 500 vdc.

1,000 megohms min.

Dielectric Strength

Sea Level................................ 600 vac

80,000 Feet ............................ 250 vac

Adjustment Angle .............11 turns nom.

Environmental Characteristics

Power Rating

85 °C .................................... 0.25 watt

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

Temperature Range ... -65 °C to +150 °C

Temperature Coeﬃcient ..... ±70 ppm/°C

Seal Test ......................85 °C Fluorinert†

Humidity .......MIL-STD-202 Method 106

(2 %

ΔTR,

100 Megohms IR)

Vibration ................. 30 G (1 %

ΔTR;

+ resolution

ΔVR)

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

(1 %

ΔTR;

1 % + resolution

ΔVR)

Load Life1,000 hours 0.25 watt @ 85 °C

(2 %

ΔTR;

500 ohms ENR)

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

(2 %

ΔTR;

500 ohms ENR)

Physical Characteristics

Torque............................. 3.0 oz-in. max.

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

Terminals Solderable printed circuit pins

Weight ..................................... 0.015 oz.

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

resistance code, wiring diagram,

date code, manufacturer’s model

number and style

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

Flammability ............................UL 94V-0

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

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

Product Dimensions

3260H

Common Dimensions

6.35 ± .51

(.250 ± .020)

.89

(.035)

1 2 3

6.35 ± .51

(.250 ± .020)

4.78 ± .38

(.188 ± .015)

.76

(.030)

2.54

(.100)

2.54

(.100)

1.27

(.050)

ADJ. SLOT

1.78 DIA.

(.070)

.51

WIDE

(.020)

.51

DEEP

(.020)

How To Order

3260 H - 1 - 502

Model

Style

Standard or Modiﬁed

Product Indicator

-1 = Standard Product

Resistance Code

Consult factory for other available options.

2.54

(.100)

1.02 ± .38

(.040 ± .015)

4.32 ± .38

(.170 ± .015)

Standard Resistance Table

Resistance

(Ohms)

100

200

500

1,000

2,000

5,000

10,000

20,000

25,000

Resistance

Code

100

200

500

101

201

501

102

202

502

103

203

253

Nominal

Resolution

(Percent)

1.90

1.50

1.23

1.00

0.94

0.58

0.50

0.45

0.34

0.29

0.28

0.23

1.27

(.050)

.41 ± .03

DIA.

(.016 ± .001)

3260W

1.27

(.050)

Popular values listed in boldface. Special

resistances available.

1 2 3

6.35 ± .51

(.250 ± .020)

4.32 ± .38

(.170 ± .015)

1.27

(.050)

.89

(.035)

CCW

WIPER

CLOCKWISE

DIMENSIONS:

TOLERANCES: ±

0.25

(.010)

(INCHES)

EXCEPT WHERE NOTED

REV. 04/14

*RoHS Directive 2002/95/EC Jan. 27, 2003 including annex and RoHS Recast 2011/65/EU June 8, 2011.

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

†“Fluorinert” is a registered trademark of 3M Co.

Speciﬁcations are subject to change without notice.

The device characteristics and parameters in this data sheet can and do vary in different applications and actual device performance may vary over time.

Users should verify actual device performance in their speciﬁc applications.