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参数资料
型号： 3266W-1-254
厂商： Bourns Inc.
文件页数： 1/2页
文件大小： 0K
描述： TRIMMER 250K OHM 0.25W TH
标准包装： 50
系列： Trimpot® 3266 - 密封式
电阻（欧姆）： 250k
功率（瓦特）： 0.25W，1/4W
容差： ±10%
温度系数： ±100ppm/°C
匝数： 12
调节型： 顶部调节
电阻材料： 金属陶瓷
安装类型： 通孔
端接类型： PC 引脚
包装： 管件
尺寸/尺寸： 方形 - 0.264" L x 0.177" W x 0.285" H（6.71mm x 4.50mm x 7.25mm）
工具箱： 3266W-KIT-ND - KIT TRIM POT 3266W SER 18 VALUES
其它名称： 3266W-254
Features
■ Multiturn / Cermet / Industrial / Sealed
■ Standoffs allow thorough PC board
washing
■ Tape and reel packaging available
■ RoHS compliant* version available
■ For trimmer applications/processing
guidelines, click here
3266 - 1/4 ” Square Trimpot ? Trimming Potentiometer
Electrical Characteristics
Product Dimensions
Standard Resistance Range
3266W
3266Y
1.52 ± .38**
6.35 ± .25
(.250 ± .010)
4.31 ± .38**
(.170 ± .015)
(.020)
.64
DEEP
(.048 ± .010) X
(.025)
4.88 ± .51**
1 2 3
(.192 ± .020)
.76** (.100)
(.100)
.................... 100 ohms to 500K ohms
(see standard resistance table)
Resistance Tolerance ........... ±10 % std.
Absolute Minimum Resistance
........................... 1 % or 2 ohms max.
(whichever is greater)
Contact Resistance Variation
........................ 3.0 % or 3 ohms max.
(whichever is greater)
Adjustability
Voltage Divider ...................... ±0.02 %
Rheostat ................................ ±0.05 %
Resolution ................................... In?nite
Insulation Resistance ............... 500 vdc.
1,000 megohms min.
Dielectric Strength
Sea Level................................ 600 vac
80,000 Feet ............................ 250 vac
E?ective Travel .................12 turns nom.
Common Dimensions
1.52 ± .25**
(.060 ± .010)
6.85 ± .51
TYP.**
(.270 ± .020)
2.54
1.02
(.040)
TYP.
ADJ. SLOT
1.78 DIA.
(.070)
.51
X WIDE
1.22 ± .25
.38 ± .25
(.015 ± .010)
.46 ±.03
DIA.**
(.018 ±.001)
2.54
2.54 (.100)
(.030)
(.060 ± .015)
4.31 ± .38
(.170 ± .015)
1.02 ± .25
(.040 ± .010)
.38
MIN.
(.015)
1 2 3
2.54
4.32 (.100)
(.170)
2.16
(.085)
3266Z
1.52 ± .38**
(.060 ± .015)
6.35 ± .25
(.250 ± .010)
1.02
(.040)
6.85 ± .51
(.270 ± .020)
2.54
(.100)
3.18
(.125)
(.015)
Environmental Characteristics
Power Rating (300 volts max.)
70 °C .................................... 0.25 watt
150 °C ....................................... 0 watt
Temperature Range ... -55 °C to +125 °C
3266P
1.52
(.06)
0.76 ± .25
(.030 ± .010)
1 2 3
4.42 ± .51
(.174 ± .020)
1.02 ± .25
(.040 ± .010)
4.31 ± .38
(.170 ± .015)
0.38
MIN.
1.02
(.040)
1.02 ± .25
(.040 ± .010)
Temperature Coe? cient ... ±100 ppm/°C
Seal Test ......................85 °C Fluorinert?
1 2 3
6.85 ± .51
MIN.**
Humidity .......MIL-STD-202 Method 103
96 hours (2 % Δ TR, 10 Megohms IR)
Vibration ....... 30 G (1 % Δ TR; 1 % Δ VR)
Shock ......... 100 G (1 % Δ TR; 1 % Δ VR)
Load Life...1,000 hours 0.25 watt 70 °C
(3 % Δ TR; 3 % CRV)
Rotational Life .......................200 cycles
(4 % Δ TR; 3 % or 3 ohms,
whichever is greater, CRV)
Physical Characteristics
Torque............................. 3.0 oz-in. max.
Mechanical Stops ................. Wiper idles
Terminals .......................Solderable pins
3266X
2.54 ± .25
(.100 ± .010)
2.54 ± .25
(.100 ± .010)
1.02
(.040)
1 2 3
2.54
6.48 ± .51
(.255 ± .020)
2.54 ± .25
(.100 ± .010)
1.52 ± .25
(.060 ± .010)
1.01 ± .25
(.040 ± .010)
.38 ± .25
(.015 ± .010)
(.270 ± .020)
2.54
(.100)
4.32 2.54
(.170) (.100)
2.16 3.18
(.085) (.125)
How To Order
3266 W - 1 - 103 __ LF
Model
Style
Standard or Modi?ed
Weight ..................................... 0.015 oz.
Marking........................... Manufacturer’s
trademark, resistance code,
2.54
(.100)
(.100)
2.54
(.100)
.76
(.030)
Product Indicator
-1 = Standard Product
Resistance Code
wiring diagram, date code,
manufacturer’s model
number and style
Wiper ............... 50 % (Actual TR) ±10 %
Flammability ..........................U.L. 94V-0
1.02
(.040)
**Common dimensions
Packaging Designator
Blank = Tube (Standard)
R = Tape and Reel (Z and Y Pin Styles
Only)
A = Ammo Pack (Z and Y Pin Styles Only)
Standard Packaging .....50 pcs. per tube
Adjustment Tool..............................H-90
DIMENSIONS:
MM
(INCHES)
Terminations
LF = 100 % Tin-plated (RoHS compliant)
2
WIPER
TOLERANCES: ±
0.25
(.010)
EXCEPT WHERE NOTED
Blank = 90 % Tin / 10 % Lead-plated
(Standard)
Consult factory for other available options.
CCW
1
CLOCKWISE
3
CW
*RoHS Directive 2002/95/EC Jan. 27, 2003 including annex and RoHS Recast 2011/65/EU June 8, 2011.
?“Fluorinert” is a registered trademark of 3M Co.
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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相关代理商/技术参数
参数描述
3266W-1-254A 制造商:BOURNS 制造商全称:Bourns Electronic Solutions 功能描述:1/4 Square Trimming Potentiometer
3266W-1-254ALF 制造商:BOURNS 制造商全称:Bourns Electronic Solutions 功能描述:1/4 Square Trimming Potentiometer
3266W-1-254LF 功能描述:微调电阻 - 通孔 1/4" 250Kohms 10% SQ W/Standoff Sealed RoHS:否 制造商:Vishay/Sfernice 产品:Trimmer Resistors - Multi Turn 产品类型:Multiturn 转数:14 锥度:Linear 电阻:10 kOhms 电压额定值:250 V 端接类型:Pin 功率额定值:250 mW (1/4 W) 容差:10 % 温度系数:100 PPM / C
3266W-1-254R 制造商:BOURNS 制造商全称:Bourns Electronic Solutions 功能描述:1/4 Square Trimming Potentiometer
3266W-1-254RLF 制造商:BOURNS 制造商全称:Bourns Electronic Solutions 功能描述:1/4 Square Trimming Potentiometer
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