Features
■ 1/4” Round / Single-Turn / Cermet
■ RoHS compliant* version available
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
3329 - 1/4 ” Round Trimming Potentiometer
Electrical Characteristics
Product Dimensions
Standard Resistance Range
3329H
3329P-DK9-RC
ADJ. SLOT
2.79 .038
(.110 ..001)
...................................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)
DIA.
2.54
(.100)
.64
2.54
(.100)
45° REF.
2
WIDE
(.025)
X
X
3
1
.38
(.015)
.51
DEEP
(.020)
6.35 .51
(.250 .020)
4.75
(.187)
MIN.
90° 5°
4.57
(.180)
5.79
(.228)
.46 .05
(.018 .002)
DIA. TYP.
6.35 .51
.46 .05
(.018 .002)
DIA. 3 PINS
(.250 .020)
ADJ. SLOT
3.56
.43 .13
(.017 .005)
Adjustability
LONG
(.140)
.64
Voltage.................................... 0.0ꢁ ꢀ
Resistance .............................. 0.1ꢁ ꢀ
Resolution.....................................Infinite
Insulation Resistance ................ꢁ00 vdc.
1,000 megohms min.
6.78 2.24
(.267 .088)
WIDE
DEEP
X
X
2
(.025)
1.02
3
1
(.040)
2.54
(.100)
3
3329P
2.54
(.100)
2.54
(.100)
2.54
(.100)
2.54
(.100)
Dielectric Strength
1
Sea Level .................................600 vac
80,000 Feet..............................2ꢁ0 vac
Adjustment Angle ..................240 ° nom.
2
2.54
(.100)
6.78 2.24
(.267 .088)
Environmental Characteristics
TOLERANCES: 0.25 (.010) EXCEPT WHERE NOTED
6.35 .51
(.250 .020)
5.82 .25
(.229 .010)
Power Rating @ 8ꢁ °C (300 volts max.)
.................................................0.ꢁ watt
Power Rating @ 1ꢁ0 °C.................0 watt
Temperature Range....-ꢁꢁ °C to +1ꢁ0 °C
Temperature Coefficient .... 100 ppmꢂ°C
Seal Test........................8ꢁ °C Fluorinert†
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.ꢁ watt @ 8ꢁ °C
(3 ꢀ ∆TR; 3 ꢀ CRV)
MM
(INCHES)
DIMENSIONS ARE:
5.08
(.200)
3329S
6.10
(.240)
6.60
(.260)
2
WIPER
.38
(.015)
8.38 .51
(.330 .020)
CCW
CW
3
1
CLOCKWISE
2.54
(.100)
.89
(.035)
7.75 2.97
(.305 .117)
2.54
2.54
(.100)
How To Order
3329 M - 1 - 103 __ LF
(.100)
2
1
3
Model
5.08
(.200)
3329W
6.10
(.240)
6.60
(.260)
.38
(.015)
Style
Rotational Life........................200 cycles
(4 ꢀ ∆TR; 4 ꢀ CRV)
8.38 .51
(.330 .020)
Standard or Modified
Product Indicator
-1 = Standard Product
-DK9 = Plastic Spacer
Physical Characteristics
2.54
(.100)
2.54
.89
(.035)
7.75 2.97
Resistance Code
Mechanical Angle ..................260 ° nom.
Torque .............................ꢁ.0 oz-in. max.
Stop Strength..................ꢁ.0 oz -in. min.
Terminals ........................Solderable pins
Weight ........................................0.02 oz.
Marking.........Manufacturer’s trademark,
resistance code, date code,
(.305 .117)
2.54
Packaging Designator
(.100)
(.100)
3
1
2
Blank = Tube (Standard)
R = Tape and Reel (M and U Pin Styles
Only)
5.08
(.200)
3329X
6.10
(.240)
6.60
(.260)
A = Ammo Pack (M and U Pin Styles Only)
Terminations
8.38 .51
(.330 .020)
.38
(.015)
LF = 100 ꢀ Tin-plated (RoHS compliant)
Blank = 90 ꢀ Tin ꢂ 10 ꢀ Lead-plated
(Standard)
manufacturer’s model number
and style
2.54
(.100)
.89
(.035)
Wiper................ꢁ0 ꢀ (Actual TR) 10 ꢀ
Standard Packaging .....ꢁ0 pcs. per tube
Adjustment Tool ..............................H-90
7.75 2.97
(.305 .117)
Consult factory for other available options.
2.54
(.100)
2.54
(.100)
1
3
2
*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.