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3309 Datasheet(PDF) 1 Page - Bourns Electronic Solutions

Part No. 3309
Description  3309 - 9 mm Round Trimming Potentiometer
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Maker  BOURNS [Bourns Electronic Solutions]
Homepage  http://www.bourns.com
Logo BOURNS - Bourns Electronic Solutions

3309 Datasheet(HTML) 1 Page - Bourns Electronic Solutions

  3309 Datasheet HTML 1Page - Bourns Electronic Solutions  
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Features
9 mm Round / Single-Turn / Cermet
Industrial / Open Frame
Top and single side (front) adjust
Cross slot adjustment design
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
*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
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 % 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
CCW
2 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. 03/09


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