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303143-41R7QBL PDF预览

303143-41R7QBL

更新时间: 2024-01-19 19:37:07
品牌 Logo 应用领域
威世 - VISHAY 固定电阻器
页数 文件大小 规格书
7页 407K
描述
Fixed Resistor, Metal Foil, 0.6W, 41.7ohm, 245V, 0.02% +/-Tol, -.2,.2ppm/Cel, 3011

303143-41R7QBL 技术参数

是否无铅: 含铅是否Rohs认证: 不符合
生命周期:Active包装说明:Radial, 3011
Reach Compliance Code:compliantECCN代码:EAR99
风险等级:5.35构造:Rectangular
JESD-609代码:e0引线直径:0.65 mm
引线长度:25.4 mm引线间距:3.81 mm
端子数量:2最高工作温度:125 °C
最低工作温度:-55 °C封装高度:8.28 mm
封装长度:7.62 mm封装形状:RECTANGULAR PACKAGE
封装形式:Radial封装宽度:2.67 mm
包装方法:Bulk额定功率耗散 (P):0.6 W
电阻:27400 Ω电阻器类型:FIXED RESISTOR
系列:303143尺寸代码:3011
子类别:Fixed Resistors技术:METAL FOIL
温度系数:-.2,.2 ppm/ °C端子面层:Tin/Lead (Sn/Pb)
容差:0.02%工作电压:245 V
Base Number Matches:1

303143-41R7QBL 数据手册

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303143, 303143L (Z-Foil)  
Vishay Foil Resistors  
Models 303143 and 303143L (Ultra High Precision Fixed  
Resistor Z-Foil Z201), Screen/Test Flow as modified  
from S-311-P813 Proposed by NASA  
FEATURES  
Temperature coefficient of resistance (TCR):  
0.05 ppm/°C typical (0 °C to + 60 °C)  
0.2 ppm/°C typical (- 55 °C to + 125 °C, + 25 °C ref.)  
Power coefficient of resistance “R due to self heating”:  
5 ppm at rated power  
Rated power: 0.6 W at 70 °C  
0.3 W at 125 °C  
Resistance tolerance: to 0.005 %  
Load life stability: to 0.005 % at 70 °C, 2000 h at rated  
power  
INTRODUCTION  
Resistance range: 10 to 100 k  
The 303143 (0.150" lead spacing) and 303143L (0.200"  
lead spacing) Bulk Metal® Z-Foil resistors represent the 3rd  
in a series of ultra-precision resistors since the first Bulk  
Metal Foil resistor was introduced by Vishay in 1962. Each  
represents an improvement on the earlier model. The TCR  
slope of the 303143 and 303143L is 0.2 ppm/C (- 55 °C to  
+ 125 °C, + 25 °C ref.) and is an order of magnitude better  
than the original S102C. The Bulk Metal Z-Foil resistor is the  
ultimate choice in the most demanding analog applications.  
Electrostatic discharge (ESD) up to 25 000 V  
Non-inductive, non-capacitive design  
Rise time: 1.0 ns effectively no ringing  
Current noise: 0.010 µVRMS/V of applied voltage (< - 40 dB)  
Thermal EMF: 0.1 µV/°C max.  
0.05 µV/°C typical  
Voltage coefficient: < 0.1 ppm/V  
Non-inductive: 0.08 µH  
Terminal finish: tin/lead alloy  
Maximum working voltage: 245 V  
Drop in replacement for S102C/K  
Matched sets are available per request  
The Z-Foil technology provides a significant reduction of the  
resistive component’s sensitivity to ambient temperature  
variations (TCR) and applied power changes (PCR).  
Designers can now guarantee a high degree of stability and  
accuracy in fixed-resistor applications using solutions based  
on Vishay’s revolutionary Z-Foil technology.  
For prototype units, append a “U” to the model number  
(example: 303143U). These units include only the 100 %  
screening requirements (table 4, page 4). For more  
information, please contact foil@vishaypg.com  
Our application engineering department is available to  
advise and to make recommendations.  
FIGURE 1 - POWER DERATING CURVE  
- 55 °C  
+ 70 °C  
200 %  
175 %  
150 %  
125 %  
100 %  
75 %  
50 %  
25 %  
0
Double Rated Power  
TABLE 1 - TOLERANCE AND TCR VS.  
RESISTANCE  
TYPICAL TCR AND  
TIGHTEST  
MAXIMUM SPREAD  
VALUE  
ABSOLUTE  
- 55 °C TO + 125 °C  
(+ 25 °C ref.)  
Rated Power  
TOLERANCES  
Safe Operation  
for < 150 ppm  
ΔR after  
100 to 100 k  
80 to < 100   
50 to < 80   
25 to < 50   
10 to < 25   
0.005 %  
0.005 %  
0.005 %  
0.01 %  
0.2 0.6 ppm/°C  
0.2 0.8 ppm/°C  
0.2 1.0 ppm/°C  
0.2 1.3 ppm/°C  
0.2 1.6 ppm/°C  
2000 h  
Load Life  
- 75 - 50 - 25  
0
+ 25 + 50 + 75 + 100 + 125 + 150 + 175 + 200  
Ambient Temperature (°C)  
0.05 %  
Document Number: 63174  
Revision: 29-Mar-10  
For any questions, contact: foil@vishaypg.com  
www.foilresistors.com  
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