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参数资料
型号： 3309W-1-254
厂商： Bourns Inc.
文件页数： 1/1页
文件大小： 0K
描述： TRIMMER 250K OHM 0.5W TH
标准包装： 200
系列： Trimpot® 3309 - 开放框架
电阻（欧姆）： 250k
功率（瓦特）： 0.5W，1/2W
容差： ±25%
温度系数： ±250ppm/°C
匝数： 单路
调节型： 侧面调节
电阻材料： 金属陶瓷
安装类型： 通孔
端接类型： PC 引脚
包装： 散装
尺寸/尺寸： 方形 - 0.354" L x 0.186" W x 0.433" H（9.00mm x 4.72mm x 11.00mm）
Features
■ 9 mm Round / Single-Turn / Cermet
■ RoHS compliant*
■
■
■
■
■
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
■ For trimmer applications/processing
guidelines, click here
3309 - 9 mm Round Trimpot ? Trimming Potentiometer
Electrical Characteristics
Product Dimensions
9.0 ± .51
(.354 ± .020)
11.0 ± .51
(.433 ± .020)
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 in?nite
Adjustment Angle ................. 235 ° nom.
Environmental Characteristics
Power Rating (250 volts max.)
70 °C ...................................... 0.5 watt
3309P-1 Top Adjust
11.5 ± .51
(.453 ± .020)
9.0 ± .51
(.354 ± .020)
5.0
(.197)
ADJ.
CROSS SLOT
.80 ± .15
(.031 ± .006)
3.4 ± .15
X
(.134 ± .006)
2.0 ± .15
X
(.079 ± .006)
WIDE
LONG
DEEP
3309W-1 Single Side (Front) Adjust
ADJ.
CROSS SLOT
.80 ± .15
(.031 ± .006)
3.4 ± .15
X
(.134 ± .006)
2.0 ± .15
X
(.079 ± .006)
12.5 ± .51
(.492 ± .020)
8.0 ± .51
(.315 ± .020)
WIDE
LONG
DEEP
Temperature Range ... -25 °C to +100 °C
Temperature Coe? cient ... ±250 ppm/°C
Load Life................1,000 hours 0.5 watt
@ 70 °C (5 % Δ TR)
Physical Characteristics
1
2
5.0
(.197)
3
2.5
(.098)
MOUNTING
SURFACE
1
2
5.0
(.197)
3
2.5
(.098)
4.0
(.157)
Mechanical Angle ..................260 °±10 °
Torque (Operating) ............. 5 oz-in. max.
Stop Strength ............... 11.0 oz -in. min.
Terminals .......................Solderable pins
Marking........................... Manufacturer’s
6.35 ± .51
MOUNTING
SURFACE
trademark, resistance code
Standard Packaging ....200 pcs. per bag
Adjustment Tool..............................H-90
Aqueous cleaning not recommended
(.250 ± .020)
2
10.34 ± .51
(.407 ± .020)
SUGGESTED PWB LAYOUT
4.0
(.157)
2
2.5
(.098)
4.72
(.186)
Standard Resistance Table
Resistance
Resistance
1.2 ± .18
SUGGESTED PWB LAYOUT
(Ohms)
100
200
500
1,000
2,000
5,000
10,000
20,000
25,000
50,000
100,000
Code
101
201
501
102
202
502
103
203
253
503
104
(.047 ± .007)
DIA. 3 PLCS.
5.0 ± .18
(.197 ± .007)
DIMENSIONS:
10.0 ± .18
(.394 ± .007)
2.5 ± .18
(.098 ± .007)
MM
(INCHES)
1.20 ± .18
(.047 ± .007)
DIA. 3 PLCS.
5.0 ± .18
(.197 ± .007)
2.5 ± .18
(.098 ± .007)
2.5 ± .18
(.098 ± .007)
200,000
250,000
500,000
204
254
504
TOLERANCES: ±
0.25
(.010)
EXCEPT WHERE NOTED
How To Order
1,000,000
2,000,000
105
205
2
WIPER
Model
3309 W - 1 - 103
Popular distribution resistance values listed in
boldface.
CCW
1
3
CW
Style
P = Top adjust
CLOCKWISE
W = Single side (front) adjust
Rotor Style
-1 = Standard
Resistance Code
REV. 04/14
*RoHS Directive 2002/95/EC Jan. 27, 2003 including annex and RoHS Recast 2011/65/EU June 8, 2011.
“Trimpot” is a registered trademark of Bourns, Inc.
Speci?cations are subject to change without notice.
The device characteristics and parameters in this data sheet can and do vary in different applications and actual device performance may vary over time.
Users should verify actual device performance in their speci?c applications.
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