*R
oH
VE S CO
AV R M
AI SIO PL
LA N IA
BL S NT
E
Features
n
1/4” Round / Single-Turn / Cermet
Industrial / Sealed
n
5 standard terminal styles
n
Tape and reel packaging available
n
Listed on the QPL for style RJ50 per
MIL-PRF-22097 and RJR50 per
High-Rel MIL-PRF-39035
n
RoHS compliant* version available
guidelines, click here
n
For trimmer applications/processing
M
PL
IA
NT
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 103
96 hours
(3 %
ΔTR,
10 Megohms IR)
Vibration ....... 30 G (1 %
ΔTR;
1 %
ΔVR)
except “P” pin style
Shock ......... 100 G (1 %
ΔTR;
1 %
ΔVR)
Load Life
............ 1,000 hours 0.5 watt @ 85 °C
(3 %
ΔTR;
3 % CRV)
Rotational Life .......................200 cycles
(4 %
ΔTR;
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
*R
oH
S
CO
3329 - 1/4 ” Round Trimpot
®
Trimming Potentiometer
3329H
LE
AD
F
RE
E
Product Dimensions
3329P-DK9-RC
2.54
(.100)
.38
(.015)
5.79
(.228)
2.54
(.100)
45° REF.
2
3
1
6.35 ± .51
(.250 ± .020)
ADJ. SLOT
2.79 ± .038
DIA.
(.110 ± ..001)
.64
WIDE
X
(.025)
.51
DEEP
X
(.020)
4.75 MIN.
(.187)
Ro VE LEA
HS RS D
C ION FRE
OM S E
PL AR
IA E
NT
*
.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
WIDE
X
(.025)
1.02
DEEP
X
(.040)
.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)
6.78 ± 2.24
(.267 ± .088)
2.54
(.100)
2.54
(.100)
2.54
(.100)
6.35 ± .51
(.250 ± .020)
5.82 ± .25
(.229 ± .010)
MM
DIMENSIONS:
(INCHES)
0.25
TOLERANCES: ±
EXCEPT WHERE NOTED
(.010)
6.10
(.240)
CCW
3329S
5.08
(.200)
6.60
(.260)
.38
(.015)
2.54
(.100)
2.54
(.100)
2
1
CLOCKWISE
WIPER
8.38 ± .51
(.330 ± .020)
3
CW
7.75 ± 2.97
(.305 ± .117)
2.54
(.100)
1 2 3
.89
(.035)
How To Order
Model
3329 M - 1 - 103 __ LF
3329W
5.08
(.200)
8.38 ± .51
(.330 ± .020)
6.60
(.260)
.38
(.015)
2.54
(.100)
2.54
(.100)
6.10
(.240)
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.
Tape and reel material meets Antistatic ANSI/
ESD 5541-2003 packaging standards.
7.75 ± 2.97
(.305 ± .117) 2.54
(.100)
.89
(.035)
3
2
1
3329X
5.08
(.200)
8.38 ± .51
(.330 ± .020)
6.60
(.260)
.38
(.015)
2.54
(.100)
2.54
(.100)
6.10
(.240)
7.75 ± 2.97
(.305 ± .117) 2.54
(.100)
1 2 3
.89
(.035)
*RoHS Directive 2002/95/EC Jan. 27, 2003 including annex and RoHS Recast 2011/65/EU June 8, 2011.
†“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.
(.71 ± .03)
18 + 1.0/ - 0.5
(.709 + .039/ .020)
12.70 + 0.3/ - 0.25
(.500 + .012/ - .010)
6.1 ± .25
(.240 ± .010)
3.43 ± .25
(.135 ± .010)
.457 ± .051
DIA. TYP.
(.018 ± .002)
4.0 ± 0.3
(.157 ± .012)
DIA.
3329 - 1/4 ” Round Trimpot
®
Trimming Potentiometer
ALL PINS IN-LINE ON CENTER
DIMENSIONS:
MM
(INCHES)
2.54
(.100)
Standard Resistance Table
Resistance
(Ohms)
10
20
50
100
200
500
1,000
2,000
5,000
10,000
20,000
25,000
50,000
100,000
200,000
250,000
500,000
1,000,000
Resistance
Code
100
200
500
101
201
501
102
202
502
103
203
253
503
104
204
254
504
105
Packaging Specifications
SIDE ADJUST
3329M-1
26.4 ± .76
(1.040 ± .030)
12.70
REF.
(.500)
8.38 ± .51
(.33 ± .02)
1000/REEL/BOX
TOP ADJUST
3329U-1
12.70
REF.
(.500)
6.35
MAX.
(.250)
2
24.38 ± 0.76
(.960 ± .030)
3
2
1 18.034 ± 0.762
(.71 ± .03)
3
1
18 ± .76
(.709 ± .030)
18 + 1.0/ - 0.5
(.709 + .039/ .020)
12.70 + 0.3/ - 0.25
(.500 + .012/ - .010)
6.1 ± .25
(.240 ± .010)
3.43 ± .25
(.135 ± .010)
.457 ± .051
DIA. TYP.
(.018 ± .002)
4.0 ± 0.3
(.157 ± .012)
DIA.
18 + 1.0/ - 0.5
(.709 + .039/ .020)
12.70 + 0.3/ - 0.25
(.500 + .012/ - .010)
4.0 ± 0.3
DIA.
(.157 ± .012)
Popular distribution resistance values listed in
boldface. Special resistances available.
6.35 ± .5
(.250 ± .020)
2.79 ± .25
(.110 ± .010)
2.54
ALL PINS IN-LINE ON CENTER
(.100)
MM
DIMENSIONS:
(INCHES)
2.54
ALL PINS IN-LINE ON CENTER
(.100)
MM
DIMENSIONS:
(INCHES)
1000/REEL/BOX
1000/REEL/BOX
TOP ADJUST
3329U-1
Meets EIA Specification 468.
12.70
REF.
(.500)
6.35
MAX.
(.250)
2
24.38 ± 0.76
(.960 ± .030)
3
1
18 ± .76
(.709 ± .030)
18 + 1.0/ - 0.5
(.709 + .039/ .020)
12.70 + 0.3/ - 0.25
(.500 + .012/ - .010)
6.35 ± .5
(.250 ± .020)
4.0 ± 0.3
DIA.
(.157 ± .012)
2.79 ± .25
(.110 ± .010)
2.54
ALL PINS IN-LINE ON CENTER
(.100)
MM
DIMENSIONS:
(INCHES)
REV. 05/16
“Trimpot” is a registered trademark of Bourns, Inc.
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.
1000/REEL/BOX
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