Features
nꢀ 1/4ꢀ˝ꢀRoundꢀ/ꢀSingle-Turnꢀ/ꢀCermetꢀꢀ
nꢀ RoHSꢀcompliant*ꢀversionꢀavailable
nꢀ Forꢀtrimmerꢀapplications/processingꢀꢀ
ꢀ guidelines,ꢀclickꢀhere
ꢀ
Industrialꢀ/ꢀSealed
nꢀ 5ꢀstandardꢀterminalꢀstyles
nꢀ Tapeꢀandꢀreelꢀpackagingꢀavailableꢀ
nꢀ ListedꢀonꢀtheꢀQPLꢀforꢀstyleꢀRJ50ꢀperꢀꢀ
ꢀ
ꢀ
MIL-PRF-22097ꢀandꢀRJR50ꢀperꢀ
High-RelꢀMIL-PRF-39035
ꢀ
3329ꢀ-ꢀ1/4ꢀ˝ꢀRoundꢀTrimpot®ꢀTrimmingꢀPotentiometer
Electrical Characteristics
Product Dimensions
Standard Resistance Range
3329H
3329P-DK9
ADJ.ꢀSLOT
ꢀꢀ2.79ꢀ ꢀ.038
(.110ꢀ ꢀ.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)
2.54
(.100)
45°ꢀREF.
ꢀꢀ.64
2
WIDE
(.025)
X
X
3
1
.38
(.015)
ꢀꢀ.51
DEEP
(.020)ꢀ
6.35ꢀ ꢀ.51
(.250ꢀ ꢀ.020)
4.75
(.187)ꢀ
MIN.
90°ꢀ ꢀ5°
4.57
(.180)
5.79
(.228)
.46ꢀ ꢀ.05
(.018ꢀ ꢀ.002)
DIA.ꢀTYP.
6.35ꢀ ꢀ.51
ꢀꢀꢀꢀꢀ.46ꢀ ꢀ.05
ꢀꢀ(.018ꢀ ꢀ.002)
DIA.ꢀ3ꢀPINS
(.250ꢀ ꢀ.020)
ADJ.ꢀSLOT
ꢀ3.56
.43ꢀ ꢀ.13
(.017ꢀ ꢀ.005)
Adjustability
LONG
(.140)
ꢀꢀꢀ.64
(.025)
ꢀ1.02
Voltage .................................. ±0.05 %
Resistance ............................ ±0.15 %
Resolution ................................... Infinite
Insulation Resistance ...............500 vdc.
1,000 megohms min.
6.78ꢀ ꢀ2.24
(.267ꢀ ꢀ.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)
Dielectric Strength
1
Sea Level................................ 600 vac
80,000 Feet............................ 250 vac
Adjustment Angle................. 240 ° nom.
2
2.54
(.100)
6.78ꢀ ꢀ2.24
(.267ꢀ ꢀ.088)
ꢀ
MM
(INCHES)
DIMENSIONS:
ꢀ
Environmental Characteristics
6.35ꢀ ꢀ.51
(.250ꢀ ꢀ.020)
5.82ꢀ ꢀ.25
(.229ꢀ ꢀ.010)
ꢀ
0.25ꢀ ꢀꢀꢀꢀꢀꢀ
(.010)
TOLERANCES:ꢀ
ꢀ
EXCEPTꢀWHEREꢀNOTED
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
WIPER
2
5.08
(.200)
3329S
6.10
(.240)
6.60
(.260)
CW
CCW
3
1
.38
8.38ꢀ ꢀ.51
(.330ꢀ ꢀ.020)
(.015)
CLOCKWISE
(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)
2.54
(.100)
.89
(.035)
How To Order
3329 M - 1 - 103 __ LF
7.75ꢀ ꢀ2.97
(.305ꢀ ꢀ.117)
2.54
(.100)
2.54
(.100)
Model
2
1
3
Style
5.08
(.200)
3329W
6.10
(.240)
Standard or Modified
Product Indicator
-1 = Standard Product
-DK9 = Plastic Spacer
6.60
(.260)
.38
(.015)
8.38ꢀ ꢀ.51
(.330ꢀ ꢀ.020)
Rotational Life .......................200 cycles
(4 % ΔTR; 4 % CRV)
Resistance Code
Physical Characteristics
2.54
(.100)
2.54
.89
(.035)
7.75ꢀ ꢀ2.97
(.305ꢀ ꢀ.117)
Packaging Designator
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,
2.54
(.100)
Blank = Tube (Standard)
R = Tape and Reel (M & U Pin Styles
Only)
(.100)
3
1
2
5.08
(.200)
A = Ammo Pack (M & U Pin Styles Only)
3329X
6.10
(.240)
6.60
(.260)
Terminations
8.38ꢀ ꢀ.51
(.330ꢀ ꢀ.020)
.38
(.015)
LF = 100 % Tin-plated (RoHS compliant)
Blank = 90 % Tin / 10 % Lead-plated
(Standard)
manufacturer’s model number
and style
2.54
(.100)
.89
(.035)
Consult factory for other available options.
7.75ꢀ ꢀ2.97
(.305ꢀ ꢀ.117)
Wiper ...............50 % (Actual TR) ±10 %
Standard Packaging.....50 pcs. per tube
Adjustment Tool..............................H-90
2.54
(.100)
2.54
(.100)
Tape and reel material meets Antistatic ANSI/
ESD 5541-2003 packaging standards.
1
3
2
*RoHSꢀDirectiveꢀ2015/863,ꢀMar.ꢀ31,ꢀ2015ꢀandꢀAnnexꢀ
“Trimpot”ꢀisꢀaꢀtrademarkꢀofꢀBourns,ꢀInc.ꢀꢀꢀꢀ†“Fluorinert”ꢀisꢀaꢀregisteredꢀtrademarkꢀofꢀ3MꢀCo.
Specificationsꢀareꢀsubjectꢀtoꢀchangeꢀwithoutꢀnotice.ꢀUsersꢀshouldꢀverifyꢀactualꢀdeviceꢀperformanceꢀinꢀtheirꢀspecificꢀ
applications.ꢀTheꢀproductsꢀdescribedꢀhereinꢀandꢀthisꢀdocumentꢀareꢀsubjectꢀtoꢀspecificꢀlegalꢀdisclaimersꢀasꢀsetꢀforthꢀonꢀtheꢀ
lastꢀpageꢀofꢀthisꢀdocument,ꢀandꢀatꢀwww.bourns.com/docs/legal/disclaimer.pdf.
WARNINGꢀꢀCancerꢀandꢀ
ReproductiveꢀHarm
www.P65Warnings.ca.gov
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