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参数资料
型号： 3250W-1-503
厂商： Bourns Inc.
文件页数： 1/1页
文件大小： 0K
描述： TRIMMER 50K OHM 1W TH
产品目录绘图： 3250W Series Bottom
3250W Series Side
标准包装： 25
系列： Trimpot® 3250 - 密封式
电阻（欧姆）： 50k
功率（瓦特）： 1W
容差： ±5%
温度系数： ±50ppm/°C
匝数： 25
调节型： 顶部调节
电阻材料： 绕线
安装类型： 通孔
端接类型： PC 引脚
包装： 管件
尺寸/尺寸： 方形 - 0.500" L x 0.220" W x 0.500" H（12.70mm x 5.59mm x 12.70mm）
Features
■ Multiturn / Wirewound / Sealed
■ Listed on the QPL for style RT22 per
■ For trimmer applications/processing
guidelines, click here
MIL-R-27208 and RTR22 per
High-Rel MIL-R-39015
■ Panel mount option available
■ RoHS compliant*
3250 - 1/2 ” Square Trimpot ? Trimming Potentiometer
Electrical Characteristics
Standard Resistance Range
Product Dimensions
3250P
How To Order
3250 L - 1 - 103 M
.................................. 10 to 50K ohms
(see standard resistance table)
Resistance Tolerance ............. ±5 % std.
(tighter tolerance available)
Common Dimensions
(Pin Styles)
1.98 DIA. THRU
(.078) (2 PLACES)
Model
Style
Standard or Modi?ed
(.025)
(.020)
Absolute Minimum Resistance
.......................... 0.1 % or 1 ohm max.
(whichever is greater)
Noise .....................100 ohms ENR max.
Resolution ........... See Resistance Table
Insulation Resistance ............... 500 vdc.
13.21
(.520)
12.7
(.500)
TYP.
TYP.
.89
(.035)
X
X
ADJ. SLOT
1.91 ± .25
(.075 ± .01) DIA.
.64
WIDE
.51
DEEP
Product Indicator
-1 = Standard Product
Resistance Code
Optional Su? x Letter
M = Panel Mount
(Factory Installed)
1,000 megohms min.
Dielectric Strength
Sea Level............................. 1,000 vac
80,000 Feet ............................ 400 vac
Adjustment Travel .............25 turns nom.
Environmental Characteristics
5.59
(.220)
12.7
(.500)
TYP.
1.78
TYP.
(.070)
.71 ± .08
(.028 ± .003) DIA. TYP.
3
2
2.54
(.100)
2.54
(.100)
6.35
(.250)
Consult factory for other available options.
Standard Resistance Table
Nominal
Resistance Resistance Resolution
(Ohms) Code (Percent)
Power Rating @ 85 °C ............... 1.0 watt
TYP.
1
10
20
100
200
1.30
1.00
Power Rating @ 150 °C ................ 0 watt
Temperature Range ... -65 °C to +150 °C
Temperature Coe? cient ..... ±50 ppm/°C
Seal Test ...................... 85 °C Fluorinert ?
13.33 ± .64
(.525 ± .025)
3250W
6.35
(.250)
2.54
(.100)
50
100
200
500
1,000
500
101
201
501
102
0.80
0.90
0.70
0.60
0.40
2
(pin styles only)
Humidity .......MIL-STD-202 Method 106
(2 % Δ TR; 100 Megohms IR)
Vibration ......................................... 30 G
(1 % Δ TR; 0.5 % + resolution Δ VR)
Shock ........................................... 100 G
(1 % Δ TR; 0.5 % + resolution Δ VR)
Load Life
............ 1,000 hours 1.0 watt @ 85 °C
(2 % Δ TR; 500 ohms ENR)
3250W-66
2
2
1
1
3
2.54
(.100)
3
2.54
(.100)
2.79
(.110)
6.35
(.250)
2.79
(.110)
2,000 202 0.30
5,000 502 0.25
10,000 103 0.19
20,000 203 0.16
25,000 253 0.14
50,000 503 0.13
Popular values listed in boldface. Special
resistances available.
RED WIPER
Rotational Life .......................200 cycles
(2 % Δ TR; 500 ohms ENR)
2.54
2.54
6.35
(.250)
YELLOW
CCW
1
CLOCKWISE
3
GREEN
CW
Physical Characteristics
Torque............................. 5.0 oz-in. max.
Mechanical Stops ................. Wiper idles
Terminals ..Solderable printed circuit pins
Flexible leads (7 strands of 30 AWG)
3250L
(.100)
(.100)
13.21
(.520)
TYP.
DIMENSIONS:
0.25
TOLERANCES: ±
(.010)
MM
(INCHES)
EXCEPT WHERE NOTED
Weight ....................................... 0.06 oz.
Machine Screw Mounting
Torque .......................... 12 oz-in. max.
Marking.........Manufacturer’s trademark,
2.36 DIA. THRU
(.093) (2 PLACES)
resistance code, terminal numbers,
date code, manufacturer’s model
number and style
Wiper ............... 50 % (Actual TR) ±10 %
Flammability ..........................U.L. 94V-0
Standard Packaging
P&W Styles ...............25 pcs. per tube
L Style ........................25 pcs. per bag
Adjustment Tool..............................H-90
12.70
(.500)
4.75
(.187)
1.52
(.060) TYP.
TYP.
1.40
(.055)
.89
TYP.
(.035)
152.4
LENGTH (6.00) MIN.
12.7
(.500)
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.
?“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
3250W-1-503M 功能描述:微调电阻 - 通孔 50Kohms 5% Sealed Panel Mount 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
3250W-66-100 功能描述:微调电阻 - 通孔 10ohms 5% Square 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
3250W-66-101 功能描述:微调电阻 - 通孔 100ohms 5% Square 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
3250W-66-102 功能描述:微调电阻 - 通孔 1Kohms 5% Square 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
3250W-66-103 功能描述:微调电阻 - 通孔 10Kohms 5% Square 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
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