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参数资料
型号： 3269X-1-503LF
厂商： Bourns Inc.
文件页数： 1/2页
文件大小： 0K
描述： TRIMMER 50K OHM 0.25W SMD
产品变化通告： Laser marking change Dec 2008
产品目录绘图： 3269X Series Side 1
3269X Series Side 2
3269X Series Bottom
标准包装： 50
系列： Trimpot® 3269 - 密封式
电阻（欧姆）： 50k
功率（瓦特）： 0.25W，1/4W
容差： ±10%
温度系数： ±100ppm/°C
匝数： 12
调节型： 侧面调节
电阻材料： 金属陶瓷
安装类型： 表面贴装
端接类型： 鸥翼型
包装： 管件
尺寸/尺寸： 方形 - 0.250" L x 0.170" W x 0.293" H（6.35mm x 4.32mm x 7.44mm）
产品目录页面： 2325 (CN2011-ZH PDF)
Features
■ Stable, in?nite resolution cermet element
■ Vertical and horizontal adjust styles
■ Optional packaging on embossed tape
■ Compatible with surface mount manufacturing processes
■ RoHS compliant* - see processing information on RoHS compliant surface mount
trimmers
■ For trimmer applications/processing guidelines, click here
3269 - 1/4 ” Square SMD Trimpot ? Trimming Potentiometer
Electrical Characteristics
Product Dimensions
2
WIPER
ADJ. SLOT 1.78 DIA. X .51 WIDE X DEEP
Standard Resistance Range
........................10 ohms to 1 megohm
(see standard resistance table)
3269P
Common Dimensions
(.070) (.020) (.020)
.51
CCW
1
CLOCKWISE
3
CW
Resistance Tolerance ........... ±10 % std.
(closer tolerance available)
Absolute Minimum Resistance
........................... 1 % or 2 ohms max.
(whichever is greater)
1.02
(.040)
6.35 ± .51
(.250 ± .020)
1.02
(.040)
TYP
3 PLCS.
DIMENSIONS:
0.25
TOLERANCES: ±
(.010)
MM
(INCHES)
EXCEPT WHERE NOTED
Contact Resistance Variation
........................ 3.0 % or 3 ohms max.
(whichever is greater)
Adjustability
1 2
1.52 ± .38
(.060 ± .015)
3
2.54
(.100) TYP. 3 PLCS. 2.54
(.100)
How To Order
3269 X - 1 - 103 G LF
Model
1.52 ± .38
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.
5.21 ± 0.63
(.205 ± .025)
.46 ± .03
(.018 ± .001)
DIA. TYP.
3269W
3
.46 ± .03
(.018 ± .001)
DIA. TYP.
1
(.060 ± .015)
2.54
(.100)
Style
Standard or Modi?ed
Product Indicator
For P pin style:
-1 = Terminals #1 & #3 away from
sprocket holes
For W & X pin styles:
-1 = Terminals #1 & #3 toward
sprocket holes
Environmental Characteristics
Power Rating (300 volts max.)
85 °C .................................... 0.25 watt
150 °C ....................................... 0 watt
Temperature Range ... -65 °C to +150 °C
Temperature Coe? cient ... ±100 ppm/°C
Seal Test ......................85 °C Fluorinert?
Humidity .......MIL-STD-202 Method 106
(2 % Δ TR; IR 100 Megohms)
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 @ 85 °C
(3 % Δ TR; 3 % or 3 ohms
whichever is greater, CRV)
Rotational Life .......................200 cycles
(2 % Δ TR; 3 % or 3 ohms,
whichever is greater, CRV)
Physical Characteristics
Torque............................. 2.5 oz-in. max.
Mechanical Stops ................. Wiper idles
7.44
(.293)
2.54
(.100)
3269X
1.02
(.040)
2.29
(.090)
TYP.
3 PLCS.
2
1.02
(.040)
6.35 ± .51
(.250 ± .020)
SQ.
1.02
(.040)
2.54
(.100)
1.52 ± .38
(.060 ± .015)
1.02
(.040)
4.32
(.170)
1.02
(.040)
TYP
2.29 TYP.
(.09) 3 PLCS.
7.44
(.293)
2
For P, W & X pin styles:
-11 = ±5 % TR
Resistance Code
Embossed Tape Designator
G = Embossed Tape (MSL-2)
“P” Style - 750 pcs./13 ? reel
“W, X” Style - 500 pcs./13 ? reel
Terminations
LF = 100 % Tin-plated (RoHS compliant)
Blank = 90 % Tin / 10 % Lead-plated
(Standard)
Standard Resistance Table
Resistance Resistance
(Ohms) Code
10 100
20 200
50
500
100
101
200
201
500
501
1,000
102
Terminals .......................Solderable pins
2,000
202
(.047)
Weight ..................................... 0.015 oz.
Marking........................... Manufacturer’s
trademark, resistance code,
wiring diagram, date code,
manufacturer’s model
number and style
Standard Packaging ................. (MSL-2)
RECOMMENDED PCB
LAYOUT - "P"
3 1
RECOMMENDED PCB
LAYOUT - "W" & "X"
1.19
TYP.
5,000
10,000
20,000
25,000
50,000
100,000
200,000
250,000
500,000
502
103
203
253
503
104
204
254
504
50 pcs. per tube
Adjustment Tool..............................H-90
Wiper ............... 50 % (Actual TR) ±10 %
2.54
(.100)
9.70
(.382)
7.62
(.300)
2.79
(.110)
TYP.
1,000,000 105
Popular distribution values listed in boldface.
Special resistances available.
2.54
*RoHS Directive 2002/95/EC Jan. 27, 2003 including
(.100)
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.
1.19
(.047)
TYP.
3.30
(.130)
TYP.
2.54
(.100)
2.54
(.100)
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.
相关PDF资料
PDF描述
3269P-1-103LF TRIMMER 10K OHM 0.25W SMD
AP-A TERMINAL ENCLOSE SIDEMNT RESIN
3269W-1-200LF TRIMMER 20 OHM 0.25W SMD
3269P-1-105LF TRIMMER 1M OHM 0.25W SMD
5.04926.0081300 LENS TRANSPARENT W/DIFFUSER RED
相关代理商/技术参数
参数描述
3269X-1-504 功能描述:微调电阻器 - 表面贴装 1/4" 500Kohms 10% Horizontal Adjust RoHS:否 制造商:Murata 产品:Single-Turn Trimmer Potentiometers 产品类型:Single Turn 转数:1 元件类型:Cermet 锥度:Linear 电阻:10 kOhms 电压额定值: 端接类型:SMD/SMT 功率额定值:250 mW (1/4 W) 容差:20 % 温度系数:150 PPM / C
3269X-1-504G 功能描述:微调电阻器 - 表面贴装 1/4" 500Kohms 10% Horizontal Adjust RoHS:否 制造商:Murata 产品:Single-Turn Trimmer Potentiometers 产品类型:Single Turn 转数:1 元件类型:Cermet 锥度:Linear 电阻:10 kOhms 电压额定值: 端接类型:SMD/SMT 功率额定值:250 mW (1/4 W) 容差:20 % 温度系数:150 PPM / C
3269X-1-504GLF 功能描述:微调电阻器 - 表面贴装 1/4" 500Kohms 10% Horizontal Adjust RoHS:否 制造商:Murata 产品:Single-Turn Trimmer Potentiometers 产品类型:Single Turn 转数:1 元件类型:Cermet 锥度:Linear 电阻:10 kOhms 电压额定值: 端接类型:SMD/SMT 功率额定值:250 mW (1/4 W) 容差:20 % 温度系数:150 PPM / C
3269X-1-504LF 功能描述:微调电阻器 - 表面贴装 1/4" 500Kohms 10% Horizontal Adjust RoHS:否 制造商:Murata 产品:Single-Turn Trimmer Potentiometers 产品类型:Single Turn 转数:1 元件类型:Cermet 锥度:Linear 电阻:10 kOhms 电压额定值: 端接类型:SMD/SMT 功率额定值:250 mW (1/4 W) 容差:20 % 温度系数:150 PPM / C
3269X-ES2-103 功能描述:微调电阻器 - 表面贴装 TRIMMER-SMD 1/4" SQ MT CERMET RoHS:否 制造商:Murata 产品:Single-Turn Trimmer Potentiometers 产品类型:Single Turn 转数:1 元件类型:Cermet 锥度:Linear 电阻:10 kOhms 电压额定值: 端接类型:SMD/SMT 功率额定值:250 mW (1/4 W) 容差:20 % 温度系数:150 PPM / C
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