3309W-2-254 Bourns Inc., 3309W-2-254 Datasheet
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3309W-2-254
Manufacturer Part Number
3309W-2-254
Description
Trimmer Resistors - Single Turn 250K 25% 9mm Single Turn Open Frm
Manufacturer
Bourns Inc.
Datasheet
1.3309W-1-105.pdf
(1 pages)
Specifications of 3309W-2-254
Resistance
250 KOhms
Tolerance
25 %
Power Rating
0.5 Watt (1/2 Watt)
Operating Temperature Range
- 25 C to + 100 C
Element Type
Cermet
Product
Trimmer Resistors - Single Turn
Termination Style
SMD/SMT
Lead Free Status / Rohs Status
Lead free / RoHS Compliant
Popular distribution resistance values listed in
boldface.
Electrical Characteristics
Standard Resistance Range
Resistance Tolerance ........... ±25 % std.
Absolute Minimum Resistance
Contact Resistance Variation .. 3 % max.
Resolution ................. Essentially infi nite
Adjustment Angle ................. 235 ° nom.
Environmental Characteristics
Power Rating (250 volts max.)
Temperature Range ... -25 °C to +100 °C
Temperature Coeffi cient ... ±250 ppm/°C
Load Life ................1,000 hours 0.5 watt
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
Standard Packaging ....200 pcs. per bag
Adjustment Tool ..............................H-90
Aqueous cleaning not recommended
REV. 08/10
*RoHS Directive 2002/95/EC Jan 27 2003 including Annex.
“Trimpot” is a registered trademark of Bourns, Inc.
Specifi cations are subject to change without notice.
Customers should verify actual device performance in their specifi c applications.
70 °C ...................................... 0.5 watt
Standard Resistance Table
....................100 ohms to 2 megohms
................. 2 % max. (≤2K = 30 ohms)
Resistance
1,000,000
2,000,000
100,000
200,000
250,000
500,000
(Ohms)
10,000
20,000
25,000
50,000
1,000
2,000
5,000
100
200
500
(see standard resistance table)
trademark, resistance code
@ 70 °C (5 % ΔTR)
Resistance
Code
101
201
501
102
202
502
103
203
253
503
104
204
254
504
105
205
Features
■
■
■
■
■
■
SUGGESTED PWB LAYOUT
TOLERANCES: ±
3309 - 9 mm Round Trimpot
3309P-1 Top Adjust
(.250 ± .020)
6.35 ± .51
Product Dimensions
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
CCW
(.047 ± .007)
(.453 ± .020)
DIA. 3 PLCS.
11.5 ± .51
(.407 ± .020)
1.2 ± .18
10.34 ± .51
(.197 ± .007)
1
DIMENSIONS:
5.0 ± .18
2
(.197)
5.0
CLOCKWISE
1
(.010)
2
0.25
2
(INCHES)
WIPER
EXCEPT WHERE NOTED
MM
(.098)
(.354 ± .020)
2.5
3
(.394 ± .007)
X
X
(.098 ± .007)
(.197)
9.0 ± .51
10.0 ± .18
5.0
ADJ.
CROSS SLOT
(.031 ± .006)
(.134 ± .006)
(.079 ± .006)
2.5 ± .18
MOUNTING
SURFACE
.80 ± .15
3.4 ± .15
2.0 ± .15
(.157)
4.0
3
CW
WIDE
LONG
DEEP
®
■
■
Trimming Potentiometer
3309W-1 Single Side (Front) Adjust
SUGGESTED PWB LAYOUT
Model
Style
Rotor Style
Resistance Code
How To Order
(.354 ± .020)
RoHS compliant*
For trimmer applications/processing
guidelines,
P = Top adjust
W = Single side (front) adjust
-1 = Standard
9.0 ± .51
MOUNTING
SURFACE
(.433 ± .020)
11.0 ± .51
2
(.047 ± .007)
(.197 ± .007)
DIA. 3 PLCS.
1.20 ± .18
5.0 ± .18
(.197)
5.0
1
click here
2
(.098)
2.5
(.186)
4.72
(.315 ± .020)
(.098)
8.0 ± .51
3
3309 W - 1 - 103
2.5
(.098 ± .007)
2.5 ± .18
(.098 ± .007)
X
X
2.5 ± .18
ADJ.
CROSS SLOT
(.031 ± .006)
(.134 ± .006)
(.079 ± .006)
(.157)
(.492 ± .020)
.80 ± .15
4.0
3.4 ± .15
2.0 ± .15
12.5 ± .51
WIDE
LONG
DEEP