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

†“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.

3329 - 1/4 ” Round Trimming Potentiometer

Features

■

1/4” Round / Single-Turn / Cermet

Industrial / Sealed

■

5 standard terminal styles

■

Tape and reel packaging available

■

Listed on the QPL for style RJ50 per

MIL-PRF-22097 and RJR50 per

High-Rel MIL-PRF-39035

■

RoHS compliant* version available

Electrical Characteristics

Standard Resistance Range

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

(see standard resistance table)

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

(closer tolerance available)

Absolute Minimum Resistance

......................................1 % or 2 ohms

(whichever is greater)

Contact Resistance Variation

..........................3.0 % or 3 ohms max.

(whichever is greater)

Adjustability

Voltage ....................................±0.05 %

Resistance ..............................±0.15 %

Resolution.....................................Infinite

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

1,000 megohms min.

Dielectric Strength

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

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

Adjustment Angle ..................240 ° nom.

Environmental Characteristics

Power Rating @ 85 °C (300 volts max.)

.................................................0.5 watt

Power Rating @ 150 °C.................0 watt

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

Temperature Coefficient ....±100 ppm/°C

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

96 hours

(3 % ∆TR, 10 Megohms IR)

Vibration.........30 G (1 % ∆TR; 1 % ∆VR)

except “P” pin style

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

Load Life

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

(3 % ∆TR; 3 % CRV)

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

(4 % ∆TR; 4 % CRV)

Physical Characteristics

Mechanical Angle ..................260 ° nom.

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

Stop Strength ..................5.0 oz -in. min.

Terminals ........................Solderable pins

Weight ........................................0.02 oz.

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

resistance code, date code,

manufacturer’s model number

and style

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

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

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

4.57

(.180)

45° REF.

90° ± 5°

31

2

.46 ± .05

(.018 ± .002)

6.35 ± .51

(.250 ± .020)

6.78 ± 2.24

(.267 ± .088)

3329H

13

2

3329P

5.82 ± .25

(.229 ± .010)

13

2

3329S

6.10

(.240)

.89

(.035)

6.60

(.260)

.38

(.015)

7.75 ± 2.97

(.305 ± .117)

8.38 ± .51

(.330 ± .020)

5.08

(.200)

31

2

3329W

13

2

3329X

3329P-DK9-RC

6.35 ± .51

(.250 ± .020)

5.79

(.228)

4.75

(.187)

.46 ± .05

(.018 ± .002)

.43 ± .13

(.017 ± .005)

2.54

(.100)

1

2

3

ADJ. SLOT

2.79 ± .038

(.110 ± ..001)

.64

(.025)

.51

(.020)

2.54

(.100)

2.54

(.100)

WIDE

X

X

DEEP

DIA.

MIN.

DIA. 3 PINS

2.54

(.100)

2.54

(.100)

2.54

(.100)

2.54

(.100)

2.54

(.100)

2.54

(.100)

2.54

(.100)

2.54

(.100)

2.54

(.100)

2.54

(.100)

2.54

(.100)

2.54

(.100)

2.54

(.100)

6.10

(.240)

6.10

(.240)

5.08

(.200)

5.08

(.200)

6.60

(.260)

6.60

(.260)

.89

(.035)

.89

(.035)

2.54

(.100)

.38

(.015)

DIA. TYP.

6.78 ± 2.24

(.267 ± .088)

6.35 ± .51

(.250 ± .020)

7.75 ± 2.97

(.305 ± .117)

7.75 ± 2.97

(.305 ± .117)

8.38 ± .51

(.330 ± .020)

8.38 ± .51

(.330 ± .020)

.38

(.015)

.38

(.015)

ADJ. SLOT

3.56

(.140)

.64

(.025)

1.02

(.040)

WIDE

X

X

DEEP

LONG

How To Order

3329 M - 1 - 103 __ LF

Model

Style

Standard or Modified

Product Indicator

-1 = Standard Product

-DK9 = Plastic Spacer

Resistance Code

Packaging Designator

Blank = Tube (Standard)

R = Tape and Reel (M and U Pin Styles

Only)

A = Ammo Pack (M and U Pin Styles Only)

Terminations

LF = 100 % Tin-plated (RoHS compliant)

Blank = 90 % Tin / 10 % Lead-plated

(Standard)

Consult factory for other available options.

DIMENSIONS ARE:

MM

(INCHES)

TOLERANCES: ± 0.25 (.010) EXCEPT WHERE NOTED

1

3

2

CCW

CW

CLOCKWISE

WIPER

Product Dimensions