English
Language : 

3309-9 Datasheet, PDF (1/2 Pages) Bourns Electronic Solutions – Round Trimming Potentiometer
*RoHS COMPLIANT
Features
■ 9 mm Round / Single-Turn / Cermet
Industrial / Open Frame
■ Both sides adjust
■ Cross slot and hexagon adjustment
designs
■ Horizontal and vertical mounting styles
■ Dust resistant/splash resistant covers
■ PC board stand-offs and retention feature
■ RoHS compliant*
3309 - 9 mm Round Trimming Potentiometer
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 infinite
Adjustment Angle ..................235 ° nom.
Environmental Characteristics
Power Rating (250 volts max.)
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 % ∆TR)
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
How To Order
3309 W - 2 - 103
Model
Style
Rotor Style
-1 = Standard
-2 = Cross Slot/Single Slot Rear Adjust
-3 = 2 mm Hex Thru Hole
Resistance Code
Top/Bottom Adjust
Common Dimensions
3309P
11.5 ± .51
(.453 ± .020)
9.0 ± .51
(.354 ± .020)
5.0
(.197)
ADJ.
CROSS SLOT
.80 ± .15
(.031 ± .006)
X
3.4
(.134
±
±
.15
.006)
X
2.0
(.079
±
±
.15
.006)
WIDE
LONG
DEEP
1
2
5.0
(.197)
3
2.5
(.098)
3309P-1 Top Adjust
6.35 ± .51
(.250 ± .020) 2
10.34 ± .51
(.407 ± .020)
MOUNTING
SURFACE
4.0
(.157)
3309P-2 Both Sides Adjust/Cross Slot
5.8 ± .51
(.228 ± .020)
2
10.34 ± .51
(.407 ± .020)
MOUNTING
SURFACE
4.0
(.157)
3309P-3 Both Sides Adjust Hex
9.0 ± .51
(.354 ± .020)
11.5 ± .51
(.453 ± .020)
5.0
(.197)
1
2
5.0
(.197)
3
2.5
(.098)
5.80 ± .51
(.228 ± .020) 2
10.34 ± .51
(.407 ± .020)
MOUNTING
SURFACE
4.0
(.157)
HEX
THRU
HOLE
2.0
(.079)
ACROSS FLATS
SUGGESTED PWB LAYOUT - 3309P
2.29 ± .51
(.090 ± .020)
1.2
(.047)
1.2 ± .18
(.047 ± .007)
DIA. 3 PLCS.
4.0
(.157)
DIA. -2, -3 ONLY
5.0 ± .18
(.197 ± .007)
10.0 ± .18
(.394 ± .007)
2.5 ± .18
(.098 ± .007)
2 WIPER
CCW 1
CLOCKWISE
3 CW
TOLERANCES: ± 0.25 (.010) EXCEPT WHERE NOTED
DIMENSIONS ARE:
MM
(INCHES)
*RoHS Directive 2002/95/EC Jan 27 2003 including Annex.
Specifications are subject to change without notice.
Customers should verify actual device performance in their specific applications.