3309_1 Datasheet, PDF (1/1 Pages) Bourns Electronic Solutions – 3309 - 9 mm Round Trimming Potentiometer

*RoHS ^COMPLIANT
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
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
Standard Resistance Table
Resistance
(Ohms)
100
200
500
1,000
2,000
5,000
10,000
20,000
25,000
50,000
100,000
200,000
250,000
500,000
1,000,000
2,000,000
Resistance
Code
101
201
501
102
202
502
103
203
253
503
104
204
254
504
105
205
Popular distribution resistance values listed in
boldface.
Product Dimensions
3309P-1 Top Adjust
9.0 ± .51
(.354 ± .020)
11.5 ± .51
(.453 ± .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)
6.35 ± .51
(.250 ± .020) ₂
10.34 ± .51
(.407 ± .020)
SUGGESTED PWB LAYOUT
MOUNTING
SURFACE
4.0
(.157)
1.2 ± .18
(.047 ± .007)
DIA. 3 PLCS.
10.0 ± .18
(.394 ± .007)
5.0 ± .18
(.197 ± .007)
2.5 ± .18
(.098 ± .007)
DIMENSIONS:
TOLERANCES: ±
0.25
(.010)
MM
(INCHES)
EXCEPT WHERE NOTED
2 ^WIPER
CCW ₁
CLOCKWISE
3 CW
3309W-1 Single Side (Front) Adjust
9.0 ± .51
(.354 ± .020)
ADJ.
CROSS SLOT
.80 ± .15
(.031 ± .006)
WIDE
X
3.4
(.134
±
±
.15
.006)
LONG
X
2.0
(.079
±
±
.15
.006)
DEEP
11.0 ± .51
(.433 ± .020)
MOUNTING
SURFACE
1
2
5.0
(.197)
12.5 ± .51
(.492 ± .020)
8.0 ± .51
(.315 ± .020)
3
4.0
(.157)
2.5
(.098)
4.72
2
(.186)
2.5
(.098)
SUGGESTED PWB LAYOUT
1.20 ± .18
(.047 ± .007)
DIA. 3 PLCS.
2.5 ± .18
(.098 ± .007)
5.0 ± .18
(.197 ± .007)
2.5 ± .18
(.098 ± .007)
How To Order
3309 W - 1 - 103
Model
Style
P = Top adjust
W = Single side (front) adjust
Rotor Style
-1 = Standard
Resistance Code
REV. 03/09
*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