Features
n 9 mm Round / Single-Turn / Cermet
Industrial / Open Frame
n Top and single side (front) adjust
n Cross slot adjustment design
n Horizontal and vertical mounting styles
n Dust resistant/splash resistant covers
n PC board stand-offs and retention feature
n RoHS compliant*
n For trimmer applications/processing
guidelines, click here
3309 - 9 mm Round Trimpot
®
Trimming Potentiometer
*RoHS Directive 2002/95/EC Jan. 27, 2003 including annex and RoHS Recast 2011/65/EU June 8, 2011.
“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.
Electrical Characteristics
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 innite
Adjustment Angle ................. 235 ° nom.
Environmental Characteristics
Power Rating (250 volts max.)
70 °C ......................................0.5 watt
Temperature Range ... -25 °C to +100 °C
Temperature Coecient ... ±250 ppm/°C
Load Life ................1,000 hours 0.5 watt
@ 70 °C (5 % ΔTR)
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
Standard Packaging ....200 pcs. per bag
Adjustment Tool ..............................H-90
Aqueous cleaning not recommended.
Product Dimensions
1
3
CW
CLOCKWISE
WIPER
How To Order
3309 W - 1 - 103
Model
Style
P = Top adjust
W = Single side (front) adjust
Rotor Style
-1 = Standard
Resistance Code
TOLERANCES: ±
0.25
EXCEPT WHERE NOTED
(.010)
DIMENSIONS:
MM
(INCHES)
9.0 ± .51
(.354 ± .020)
11.5 ± .51
(.453 ± .020)
1
3
2
6.35 ± .51
(.250 ± .020)
10.34 ± .51
(.407 ± .020)
4.0
(.157)
MOUNTING
SURFACE
3309P-1 Top Adjust
2
SUGGESTED PWB LAYOUT
1.2 ± .18
(.047 ± .007)
10.0 ± .18
(.394 ± .007)
ADJ.
CROSS SLOT
.80 ± .15
(.031 ± .006)
3.4 ± .15
(.134 ± .006)
2.0 ± .15
(.079 ± .006)
WIDE
X
X
LONG
DEEP
5.0
(.197)
5.0
(.197)
2.5
(.098)
2.5 ± .18
(.098 ± .007)
5.0 ± .18
(.197 ± .007)
DIA. 3 PLCS.
11.0 ± .51
(.433 ± .020)
1
3
2
MOUNTING
SURFACE
8.0 ± .51
(.315 ± .020)
3309W-1 Single Side (Front) Adjust
2
2.5
(.098)
4.72
(.186)
SUGGESTED PWB LAYOUT
9.0 ± .51
(.354 ± .020)
ADJ.
CROSS SLOT
.80 ± .15
(.031 ± .006)
3.4 ± .15
(.134 ± .006)
2.0 ± .15
(.079 ± .006)
WIDE
X
X
LONG
DEEP
12.5 ± .51
(.492 ± .020)
4.0
(.157)
5.0
(.197)
2.5
(.098)
2.5 ± .18
(.098 ± .007)
2.5 ± .18
(.098 ± .007)
5.0 ± .18
(.197 ± .007)
1.20 ± .18
(.047 ± .007)
DIA. 3 PLCS.
Standard Resistance Table
Resistance Resistance
(Ohms) Code
100 101
200 201
500 501
1,000 102
2,000 202
5,000 502
10,000 103
20,000 203
25,000 253
50,000 503
100,000 104
200,000 204
250,000 254
500,000 504
1,000,000 105
2,000,000 205
Popular distribution resistance values listed in
boldface.
REV. 05/18
*RoHS COMPLIANT
LEAD FREE
*RoHS COMPLIANT
VERSIONS
AVAILABLE
LEAD FREE
VERSIONS ARE
RoHS COMPLIANT*
This series is currently available but
not recommended for new designs.
