Features
■ 1/4” Round / Single-Turn / Cermet
■ RoHS compliant* version available
Industrial / Sealed
■ 5 standard terminal styles
■ For trimmer applications/processing
guidelines, click here
■ 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 Trimpot® 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)
LONG
Adjustability
(.140)
.64
(.025)
1.02
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
3
1
(.040)
2.54
(.100)
3
3329P
2.54
(.100)
2.54
(.100)
2.54
(.100)
2.54
(.100)
1
Dielectric Strength
Sea Level................................ 600 vac
80,000 Feet............................ 2ꢁ0 vac
Adjustment Angle................. 240 ° nom.
2
2.54
(.100)
6.78 2.24
(.267 .088)
MM
(INCHES)
DIMENSIONS:
Environmental Characteristics
6.35 .51
(.250 .020)
5.82 .25
(.229 .010)
0.25
TOLERANCES:
EXCEPT WHERE NOTED
Power Rating @ 8ꢁ °C (300 volts max.)
...............................................0.ꢁ watt
Power Rating @ 1ꢁ0 °C................0 watt
Temperature Range...-ꢁꢁ °C to +1ꢁ0 °C
Temperature Coefficient ... 100 ppm/°C
Seal Test......................8ꢁ °C Fluorinert†
Humidity .......MIL-STD-202 Method 106
96 hours
(.010)
WIPER
2
5.08
(.200)
3329S
6.10
(.240)
6.60
(.260)
CW
CCW
3
1
.38
8.38 .51
(.330 .020)
(.015)
CLOCKWISE
2.54
(.100)
.89
(.035)
7.75 2.97
(.305 .117)
How To Order
3329 M - 1 - 103 __ LF
(3 ꢀ ΔTR, 10 Megohms IR)
Vibration ....... 30 G (1 ꢀ ΔTR; 1 ꢀ ΔVR)
except “P” pin style
2.54
(.100)
2.54
(.100)
Model
2
1
3
Shock ......... 100 G (1 ꢀ ΔTR; 1 ꢀ ΔVR)
Load Life
............1,000 hours 0.ꢁ watt @ 8ꢁ °C
(3 ꢀ ΔTR; 3 ꢀ CRV)
Rotational Life .......................200 cycles
(4 ꢀ ΔTR; 4 ꢀ CRV)
Style
5.08
(.200)
3329W
6.10
(.240)
Standard or Modified
Product Indicator
-1 = Standard Product
-DK9 = Plastic Spacer
6.60
(.260)
.38
(.015)
8.38 .51
(.330 .020)
Resistance Code
2.54
(.100)
2.54
.89
(.035)
7.75 2.97
(.305 .117)
Physical Characteristics
Packaging Designator
2.54
(.100)
Blank = Tube (Standard)
R = Tape and Reel (M and U Pin Styles
Only)
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,
(.100)
3
1
2
5.08
(.200)
3329X
6.10
(.240)
A = Ammo Pack (M and U Pin Styles Only)
6.60
(.260)
Terminations
8.38 .51
(.330 .020)
.38
(.015)
LF = 100 ꢀ Tin-plated (RoHS compliant)
Blank = 90 ꢀ Tin / 10 ꢀ Lead-plated
(Standard)
manufacturer’s model number
2.54
(.100)
.89
(.035)
7.75 2.97
(.305 .117)
Consult factory for other available options.
and style
2.54
(.100)
2.54
(.100)
Wiper ...............ꢁ0 ꢀ (Actual TR) 10 ꢀ
Standard Packaging.....ꢁ0 pcs. per tube
Adjustment Tool..............................H-90
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.