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VPR221ST340R00CB PDF预览

VPR221ST340R00CB

更新时间： 2024-10-29 10:38:55
品牌 Logo 应用领域
威世 - VISHAY /
页数 文件大小 规格书
5页 111K
描述
Fixed Resistor, Metal Foil, 8W, 340ohm, 300V, 0.25% +/-Tol, -2,2ppm/Cel, 6140,

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VPR221ST340R00CB 数据手册

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VPR220S, VPR221S  
Vishay Foil Resistors  
Bulk Metal® Foil Technology Precision Foil Power Surface Mount  
Resistors in TO-220 Configuration with TCR of 2 ꢀꢀpm/C,  
Tolerance of to 0ꢁ01 ꢂ and Power Rating to 8 W  
FEATURES  
•
Temperature coefficient of resistance (TCR):  
2 ppm/°C typical (- 55 °C to + 125 °C,  
+ 25 °C Ref.)  
Pb-free  
Available  
RoHS*  
• Tolerance: to 0.01 % (see tables 1 and 2)  
• Electrostatic discharge (ESD): above 25 000 V  
COMPLIANT  
• Load life stability: 0.005 % (25 °C, 2000 h at rated power)  
• Resistance range: 0.5 Ω to 10 kΩ  
• Power rating: 8 W chassis mounted (per MIL-PRF-39009)  
• Non inductive, non capacitive design  
• Rise time: 1 ns without ringing  
• Current noise: < - 40 dB  
• Voltage coefficient: < 0.1 ppm/V  
• Non inductive: < 0.08 µH  
• Non hot spot design  
Any value at any tolerance within resistance range  
Models VPR220S AND VPR221S, made from Vishay Bulk  
Metal® foil, offer low TCR, high stability, tight tolerance and  
fast response time in a small, molded resistor. Model  
VPR220S is a 2 lead device. Model VPR221S is a 4 lead  
Kelvin connected device. The 4 leaded version is highly  
recommended for precision applications requiring ohmic  
values of 100R or less.  
• Thermal EMF: 0.05 µV/°C typical  
• Terminal finishes available: lead (Pb)-free  
tin/lead alloy  
• Any value available within resistance range (e.g. 1K234)  
• Prototype samples available from 48 h. For more  
information, please contact foil@vishay.com  
TABLE 1 - VPR220S  
RESISTANCE  
TIGHTEST  
TOLERANCE  
TYPICAL  
TCR2)  
MAXIMUM  
TCR2)  
RANGE (Ω)1)  
•
For better performances, please see VPR220SZ and  
VPR221SZ datasheets  
50 to 10K  
25 to < 50  
10 to < 25  
5 to < 10  
0.01 %  
0.02 %  
0.05 %  
0.1 %  
2
2
2
2
5 ppm/°C  
7 ppm/°C  
10 ppm/°C  
13 ppm/°C  
I
R
V
I
I1  
E1  
E2  
I2  
weight = 1 g maximum  
Notes  
1. Lower or high values available upon request  
2. - 55 °C to + 125 °C, + 25 °C ref.  
FIGURE 1 - POWER DERATING CURVE  
- 55 /C  
+ 100  
TABLE 2 - VPR221S  
RESISTANCE  
TIGHTEST  
TYPICAL  
TCR2)  
MAXIMUM  
TCR2)  
+ 75  
+ 50  
+ 25  
0
RANGE (Ω)1)  
TOLERANCE  
2
2
2
10 to < 500  
1 to < 10  
0.01 %  
0.02 %  
0.05 %  
5 ppm/°C  
5 ppm/°C  
5 ppm/°C  
0.5 to < 1  
weight = 1.2 g maximum  
- 50  
- 25  
0
+ 25  
+ 50  
+ 75  
+ 100  
+ 125  
+ 150  
Apbient Tepꢀerature (/C)  
Notes  
1. Lower or high values available upon request  
2. - 55 °C to + 125 °C, + 25 °C ref.  
* Pb containing terminations are not RoHS compliant, exemptions may apply  
Document Number: 63050  
Revision: 29-Feb-08  
For any questions, contact: foil@vishay.com  
www.vishay.com  
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