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UNR2-T2201.49OHMS0.25%3PPM PDF预览

UNR2-T2201.49OHMS0.25%3PPM

更新时间: 2024-02-15 12:07:28
品牌 Logo 应用领域
威世 - VISHAY 电阻器
页数 文件大小 规格书
4页 887K
描述
Fixed Resistor, Metal Foil, 15W, 1.49ohm, 0.25% +/-Tol, -3,3ppm/Cel, 3918

UNR2-T2201.49OHMS0.25%3PPM 技术参数

是否无铅: 不含铅是否Rohs认证: 符合
生命周期:Active包装说明:Radial, 3918
Reach Compliance Code:compliantECCN代码:EAR99
风险等级:5.68构造:Epoxy
JESD-609代码:e3引线直径:0.6 mm
引线长度:20 mm引线间距:5.08 mm
端子数量:2最高工作温度:155 °C
最低工作温度:-55 °C封装高度:15.3 mm
封装长度:10 mm封装形式:Radial
封装宽度:4.6 mm额定功率耗散 (P):15 W
电阻:1.49 Ω电阻器类型:FIXED RESISTOR
系列:UNR2-T220尺寸代码:3918
子类别:Fixed Resistors技术:METAL FOIL
温度系数:-3,3 ppm/ °C端子面层:Matte Tin (Sn)
容差:0.25%Base Number Matches:1

UNR2-T2201.49OHMS0.25%3PPM 数据手册

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USR UNR USS UNS T220 T221  
Powertron  
•ꢀ Resistances from 0.5Ohm to 150kOhms  
•ꢀ Power Rating to 10Watt  
•ꢀ Resistance Tolerances to ±0.01%  
•ꢀ TCR to ±3ppm/K  
•ꢀ Load Stability to 0.01%  
•ꢀ TO-220 Housing  
•ꢀ Convenient SMD D2Pak Available  
SPECIFICATIONS  
Type  
USR / USS  
UNR /UNS  
Resistance Range  
0.5 Ohms to 150 kOhms  
0.5 Ohms to 5 kOhms  
Power rating  
free air 70°C (R<50R0)  
1.5W  
1.0W  
10W  
6W  
1.5W  
1.0W  
15W  
10W  
free air 70°C (R>50R0)  
with heatsink (R<50R0)  
with heatsink (R>50R0)  
Thermal Resistance Rthj-c  
R<50R0  
10.8 K/W  
18.8 K/W  
6.8 K/W  
10.8 K/W  
R>50R0  
Tolerances  
from 0.5 Ohms  
from 10.0 Ohms  
from 25.0 Ohms  
from 50.0 Ohms  
0.1% / 0.25% / 0.5% / 1%  
0.05% / 0.1% / 0.25% / 0.5% / 1%  
0.02% / 0.05% / 0.1% / 0.25% / 0.5% / 1%  
0.01% / 0.02% / 0.05% / 0.1% / 0.25% / 0.5% / 1%  
Stability  
0.01%  
Shelf Life Stability  
25ppm / ∆R after 1 year  
50ppm / ∆R after 3 year  
Temperature Coefficient  
max. ±5ppm/K (-55 to 155°C)  
typ. ±3ppm/K (-55 to 125°C)  
Voltage Proof  
Thermal EMF  
Operating Temperature Range  
Resistor Material  
Substrate  
1 kVDC  
< 0.1µV/K  
-55 to 155°C  
NiCr-Foil  
Al2O3  
AlN  
Housing  
Epoxy + Cu heatsink nickel plated  
Connector Material  
Terminals  
Cu tinned  
2
Max. Torque  
1.0 Nm  
Notes  
Specially designed for applications with fast  
changing electrical load  
Ordering Information  
Part Number - Resistance - Contact - Tolerance - TCR  
UNR 2-T220B 5.7kOhms C 0.5% 3ppm  
Document Number: 64222  
Revision: 20-09-10  
For technical questions, contact: powertron@vishaypg.com  
www.powertron.de  
1

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