oH
VE S CO
AV R M
AI SIO PL
LA N IA
BL S NT
E
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
*R
3329 - 1/4 ” Round Trimming Potentiometer
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
Seal Test........................85 °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 0.5 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
Product Dimensions
3329H
3329P-DK9-RC
ADJ. SLOT
2.79 ± .038
DIA.
(.110 ± ..001)
.64
X (.025) WIDE
.51
X (.020) DEEP
4.75 MIN.
(.187)
2.54
(.100)
45° REF.
2
3
1
2.54
(.100)
.38
(.015)
5.79
(.228)
6.35 ± .51
(.250 ± .020)
.46 ± .05
(.018 ± .002)
DIA. TYP.
90° ± 5°
4.57
(.180)
6.35 ± .51
(.250 ± .020)
6.78 ± 2.24
(.267 ± .088)
ADJ. SLOT
3.56 LONG
(.140)
.64
X (.025) WIDE
1.02
X (.040) DEEP
.43 ± .13
(.017 ± .005)
3
2
1
.46 ± .05
(.018 ± .002)
DIA. 3 PINS
3329P
2.54
(.100)
1
2
2.54
(.100)
3
2.54
(.100)
2.54
(.100)
2.54
(.100)
6.78 ± 2.24
(.267 ± .088)
2.54
(.100)
TOLERANCES: ± 0.25 (.010) EXCEPT WHERE NOTED
6.35 ± .51
(.250 ± .020)
5.82 ± .25
(.229 ± .010)
DIMENSIONS ARE:
MM
(INCHES)
3329S
5.08
(.200)
6.60
(.260)
.38
(.015)
6.10
(.240)
CCW
1
2
WIPER
3
CW
8.38 ± .51
(.330 ± .020)
CLOCKWISE
7.75 ± 2.97
(.305 ± .117)
2.54
(.100)
1 2 3
2.54
(.100)
2.54
(.100)
.89
(.035)
How To Order
3329 M - 1 - 103 __ LF
6.60
(.260)
.38
(.015)
2.54
(.100)
2.54
(.100)
6.10
(.240)
3329W
5.08
(.200)
Model
Style
Standard or Modified
Product Indicator
-1 = Standard Product
-DK9 = Plastic Spacer
8.38 ± .51
(.330 ± .020)
7.75 ± 2.97
(.305 ± .117) 2.54
(.100)
.89
(.035)
3
2
1
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.
3329X
5.08
(.200)
6.60
(.260)
.38
(.015)
2.54
(.100)
2.54
(.100)
1 2 3
6.10
(.240)
8.38 ± .51
(.330 ± .020)
7.75 ± 2.97
(.305 ± .117) 2.54
(.100)
.89
(.035)
*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.
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