*R
oH
VE S C O
AV R M
AI SIO PL
LA N IA
BL S NT
E
Features
■
1/4” Round / Single-Turn / Cermet
■
RoHS compliant* version available
■
For trimmer applications/processing
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
guidelines,
click here
3329 - 1/4 ” Round Trimpot
®
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 ...................................
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
T
... ±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
Product Dimensions
3329H
3329P-DK9-RC
ADJ. SLOT
2.79 ± .038
DIA.
(.110 ± ..001)
.64
WIDE
X
(.025)
.51
DEEP
X
(.020)
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
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)
DIMENSIONS:
6.35 ± .51
(.250 ± .020)
5.82 ± .25
(.229 ± .010)
MM
(INCHES)
EXCEPT WHERE NOTED
TOLERANCES: ±
0.25
(.010)
3329S
5.08
(.200)
6.60
(.260)
.38
(.015)
6.10
(.240)
CCW
2
1
CLOCKWISE
WIPER
8.38 ± .51
(.330 ± .020)
3
CW
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
Model
Style
6.10
(.240)
3329W
5.08
(.200)
8.38 ± .51
(.330 ± .020)
6.60
(.260)
.38
(.015)
2.54
(.100)
2.54
(.100)
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)
1 2 3
6.10
(.240)
7.75 ± 2.97
(.305 ± .117) 2.54
(.100)
.89
(.035)
WARNING
Cancer and Reproductive Harm
www.P65Warnings.ca.gov
*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. Users should verify actual device performance in their specific
applications. The products described herein and this document are subject to specific legal disclaimers as set forth on the
last page of this document, and at
www.bourns.com/docs/legal/disclaimer.pdf.
Legal Disclaimer Notice
This legal disclaimer applies to purchasers and users of Bourns
®
products manufactured by or on behalf of Bourns, Inc. and
Unless otherwise expressly indicated in writing, Bourns
®
products and data sheets relating thereto are subject to change
and complete before placing orders for Bourns
®
products.
The characteristics and parameters of a Bourns
®
product set forth in its data sheet are based on laboratory conditions, and
statements regarding the suitability of products for certain types of applications are based on Bourns’ knowledge of typical
requirements in generic applications. The characteristics and parameters of a Bourns
®
®
product with other components
the actual performance of the Bourns
®
®
®
product as meeting the requirements of a particular industry
®
of Bourns products are responsible for ensuring compliance with safety-related requirements and standards applicable to
®
Bourns
®
on a case-by-case basis, use of any Bourns
®
®
®
®
®
Bourns
®
®
standard products that are suitable for use in aircraft
®
standard
the user’s sole risk.
®
and the user for which such Bourns
®
®
custom products shall be negotiated on a case-by-case basis by Bourns
®
also apply to such Bourns custom products.
Users shall not sell, transfer, export or re-export any Bourns
®
Bourns
®
standard products shall
products and Bourns technology and technical data may not under any circumstance be
exported or re-exported to countries subject to international sanctions or embargoes. Bourns
®
products may not, without
®
bilingual versions are available at:
Web Page:
http://www.bourns.com/legal/disclaimers-terms-and-policies
PDF:
http://www.bourns.com/docs/Legal/disclaimer.pdf
Mouser Electronics
Authorized Distributor
Click to View Pricing, Inventory, Delivery & Lifecycle Information:
Bourns
:
3329H-1-502 3329H-1-504 3329H-1-500 3329M-1-502 3329H-1-503 3329H-1-501 3329U-1-202R 3329X-1-502
3329X-1-504 3329X-1-503 3329X-1-500 3329X-1-501 3329H-DK9-203 3329H-DK9-201 3329P-DK9-254 3329P-
DK9-253 3329H-DK9-204 3329H-DK9-200 3329H-DK9-202 3329P-DK9-105 3329P-DK9-100 3329P-DK9-101
3329P-DK9-104 3329P-DK9-102 3329P-DK9-103 3329H-1-473 3329H-1-471 3329H-1-474 3329H-1-472 3329P-1-
471 3329P-1-473 3329P-1-472 3329U-1-253R 3329H-1-303 3329X-1-204 3329X-1-203 3329X-1-201 3329X-1-
202 3329W-1-201 3329S-1-203 3329W-1-203 3329P-1-223 3329S-1-201 3329P-1-201 3329P-1-205 3329S-1-200
3329P-1-200 3329S-1-204 3329W-1-202 3329S-1-202 3329P-1-204 3329W-1-200 3329W-1-204 3329P-1-203
3329P-1-202 3329X-1-253 3329X-1-254 3329U-1-201R 3329U-1-203R 3329U-1-504R 3329H-1-100LF 3329H-1-
101LF 3329H-1-102LF 3329H-1-103LF 3329H-1-104LF 3329H-1-105LF 3329H-1-200LF 3329H-1-201LF 3329H-1-
202LF 3329H-1-203LF 3329H-1-204LF 3329H-1-253LF 3329H-1-254LF 3329H-1-500LF 3329H-1-501LF 3329H-1-
502LF 3329H-1-503LF 3329H-1-504LF 3329P-1-101LF 3329P-1-102LF 3329P-1-103LF 3329P-1-104LF 3329P-1-
105LF 3329P-1-200LF 3329P-1-201LF 3329P-1-202LF 3329P-1-203LF 3329P-1-204LF 3329P-1-253LF 3329P-1-
500LF 3329P-1-501LF 3329P-1-502LF 3329P-1-503LF 3329P-1-504LF 3329S-1-104LF 3329S-1-202LF 3329S-1-
254LF 3329S-1-502LF 3329W-1-101LF 3329W-1-102LF
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