AV
DI TH AIL
ST RO AB
RI U LE
BU GH
TI
ON
Features
s
s
s
s
s
s
9mm 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
3309 - 9mm Round Trimming Potentiometer
Electrical Characteristics
Standard Resistance Range
................................100 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.....................................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 .....±250ppm/°C
Load Life ................1,000 hours 0.5 watt
@ 70°C (5%
∆TR)
Physical Characteristics
Mechanical Angle.....................260°±20°
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
Top/Bottom Adjust
Common Dimensions
3309P
3309P-3 Both Sides Adjust Hex
9.0
±
.51
(.354
±
.020)
11.5
±
.51
(.453
±
.020)
9.0
±
.51
(.354
±
.020)
5.0
(.197)
11.5
±
.51
(.453
±
.020)
5.0
(.197)
ADJ.
CROSS SLOT
.80
±
.15
WIDE
(.031
±
.006)
3.4
±
.15
X
LONG
(.134
±
.006)
2.0
±
.15
X
DEEP
(.079
±
.006)
1
2
5.0
(.197)
3
2.5
(.098)
1
2
5.0
(.197)
3
2.5
(.098)
3309P-1 Top Adjust
5.80
±
.51
(.228
±
.020)
6.35
±
.51
(.250
±
.020)
MOUNTING
SURFACE
MOUNTING
SURFACE
2
10.34
±
.51
(.407
±
.020)
4.0
(.157)
2
10.34
±
.51
(.407
±
.020)
4.0
(.157)
HEX THRU HOLE
2.0
ACROSS FLATS
(.079)
How To Order
3309 W - 2 - 103
Model
Pin Style
Rotor Style
-2 = Cross Slot/Single Slot Rear Adjust
-3 = 2mm Hex Thru Hole
Resistance Code
5.8
±
.51
(.228
±
.020)
MOUNTING
SURFACE
3309P-2 Both Sides Adjust/Cross Slot
2
10.34
±
.51
(.407
±
.020)
4.0
(.157)
SUGGESTED PWB LAYOUT - 3309P
2.29
±
.51
(.090
±
.020)
1.2
±
.18
(.047
±
.007)
DIA. 3 PLCS.
4.0
(.157)
DIA. -2, -3 ONLY
1.2
(.047)
5.0
±
.18
(.197
±
.007)
10.0
±
.18
(.394
±
.007)
2.5
±
.18
(.098
±
.007)
TOLERANCES: ± 0.25 (.010) EXCEPT WHERE NOTED
2
CCW
WIPER
DIMENSIONS ARE:
METRIC
(INCHES)
1
CLOCKWISE
3
CW
Specifications are subject to change without notice.
37
BOURNS [ BOURNS ELECTRONIC SOLUTIONS ]
