Features
This series is currently available but
not recommended for new designs.
nꢀ 9ꢀmmꢀRoundꢀ/ꢀSingle-Turnꢀ/ꢀCermetꢀ
ꢀ
Industrialꢀ/ꢀOpenꢀFrame
nꢀ Topꢀandꢀsingleꢀsideꢀ(front)ꢀadjust
nꢀ Crossꢀslotꢀadjustmentꢀdesign
nꢀ Horizontalꢀandꢀverticalꢀmountingꢀstyles
nꢀ Dustꢀresistant/splashꢀresistantꢀcovers
nꢀ PCꢀboardꢀstand-offsꢀandꢀretentionꢀfeature
nꢀ RoHSꢀcompliant*
nꢀ Forꢀtrimmerꢀapplications/processingꢀꢀ
guidelines,ꢀclickꢀhere
ꢀ
ꢀ
ꢀꢀ3309ꢀ-ꢀ9ꢀmmꢀRoundꢀTrimpot®ꢀTrimmingꢀPotentiometer
Electrical Characteristics
Product Dimensions
Standard Resistance Range
....................100 ohms to 2 megohms
(see standard resistance table)
Resistance Tolerance ...........±25 % std.
Absolute Minimum Resistance
.................2 % max. (≤2K = 30 ohms)
Contact Resistance Variation
.............................................. 3 % max.
Resolution ................. Essentially infinite
Adjustment Angle................. 235 ° nom.
3309P-1 Top Adjust
3309W-1 Single Side (Front) Adjust
9.0ꢀ ꢀ.51
(.354ꢀ ꢀ.020)
ADJ.
CROSSꢀSLOT
ꢀꢀ.80ꢀ ꢀ.15
WIDE
LONG
(.031ꢀ ꢀ.006)
ꢀꢀꢀ3.4ꢀ ꢀ.15
(.134ꢀ ꢀ.006)
ꢀꢀꢀ2.0ꢀ ꢀ.15
(.079ꢀ ꢀ.006)
11.5ꢀ ꢀ.51
(.453ꢀ ꢀ.020)
5.0
(.197)
X
X
9.0ꢀ ꢀ.51
(.354ꢀ ꢀ.020)
ADJ.
CROSSꢀSLOT
ꢀꢀ.80ꢀ ꢀ.15
DEEP
WIDE
LONG
(.031ꢀ ꢀ.006)
ꢀꢀꢀ3.4ꢀ ꢀ.15
(.134ꢀ ꢀ.006)
ꢀꢀꢀ2.0ꢀ ꢀ.15
(.079ꢀ ꢀ.006)
12.5ꢀ ꢀ.51
(.492ꢀ ꢀ.020)
11.0ꢀ ꢀ.51
(.433ꢀ ꢀ.020)
X
X
8.0ꢀ ꢀ.51
Environmental Characteristics
(.315ꢀ ꢀ.020)
DEEP
Power Rating (250 volts max.)
MOUNTING
SURFACE
70 °C......................................0.5 watt
Temperature Range...-25 °C to +100 °C
Temperature Coefficient ... ±250 ppm/°C
Load Life................1,000 hours 0.5 watt
@ 70 °C (5 % ΔTR)
3
4.0
(.157)
1
3
1
2
5.0
2
2.5
(.098)
2.5
(.098)
5.0
(.197)
(.197)
Physical Characteristics
Mechanical Angle..................260 °±10 °
Torque (Operating).............5 oz-in. max.
Stop Strength ...............11.0 oz -in. min.
Terminals .......................Solderable pins
Marking...........................Manufacturer’s
trademark, resistance code
MOUNTING
SURFACE
6.35ꢀ ꢀ.51
(.250ꢀ ꢀ.020)
2
4.0
(.157)
10.34ꢀ ꢀ.51
(.407ꢀ ꢀ.020)
Standard Packaging....200 pcs. per bag
Adjustment Tool..............................H-90
4.72
(.186)
2
2.5
(.098)
Aqueous cleaning not recommended.
SUGGESTEDꢀPWBꢀLAYOUT
SUGGESTEDꢀPWBꢀLAYOUT
Standard Resistance Table
1.2ꢀ ꢀ.18
(.047ꢀ ꢀ.007)ꢀ
DIA.ꢀ3ꢀPLCS.
10.0ꢀ ꢀ.18
(.394ꢀ ꢀ.007)
Resistance
(Ohms)
100
Resistance
Code
101
1.20ꢀ ꢀ.18
(.047ꢀ ꢀ.007)ꢀ
DIA.ꢀ3ꢀPLCS.
2.5ꢀ ꢀ.18
(.098ꢀ ꢀ.007)
200
201
2.5ꢀ ꢀ.18
(.098ꢀ ꢀ.007)
500
501
1,000
102
5.0ꢀ ꢀ.18
(.197ꢀ ꢀ.007)
2.5ꢀ ꢀ.18
(.098ꢀ ꢀ.007)
2,000
202
5.0ꢀ ꢀ.18
(.197ꢀ ꢀ.007)
5,000
502
10,000
20,000
25,000
50,000
100,000
200,000
250,000
500,000
1,000,000
2,000,000
103
203
ꢀ
MM
(INCHES)
DIMENSIONS:
253
ꢀ
503
ꢀ
0.25ꢀ ꢀꢀꢀꢀꢀꢀ
(.010)
TOLERANCES:ꢀ
ꢀ
EXCEPTꢀWHEREꢀNOTED
104
How To Order
204
254
3309 W - 1 - 103
504
WIPER
2
105
Model
205
Style
P = Top adjust
W = Single side (front) adjust
CW
CCW
3
1
Popular distribution resistance values listed in
boldface.
CLOCKWISE
Rotor Style
-1 = Standard
Resistance Code
REV.ꢀ05/18
*RoHSꢀDirectiveꢀ2002/95/ECꢀJan.ꢀ27,ꢀ2003ꢀincludingꢀannexꢀandꢀRoHSꢀRecastꢀ2011/65/EUꢀJuneꢀ8,ꢀ2011.ꢀ
“Trimpot”ꢀisꢀaꢀregisteredꢀtrademarkꢀofꢀBourns,ꢀInc.
Specificationsꢀareꢀsubjectꢀtoꢀchangeꢀwithoutꢀnotice.
Theꢀdeviceꢀcharacteristicsꢀandꢀparametersꢀinꢀthisꢀdataꢀsheetꢀcanꢀandꢀdoꢀvaryꢀinꢀdifferentꢀapplicationsꢀandꢀactualꢀdeviceꢀperformanceꢀmayꢀvaryꢀoverꢀtime.
Usersꢀshouldꢀverifyꢀactualꢀdeviceꢀperformanceꢀinꢀtheirꢀspecificꢀapplications.