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825F250 PDF预览

825F250

更新时间: 2024-11-10 18:42:31
品牌 Logo 应用领域
OHMITE 电阻器
页数 文件大小 规格书
2页 1805K
描述
Fixed Resistor, Wire Wound, 25W, 250ohm, 520V, 1% +/-Tol, 20ppm/Cel, Chassis Mount

825F250 技术参数

是否无铅: 含铅是否Rohs认证: 不符合
生命周期:Obsolete包装说明:Chassis Mount,
Reach Compliance Code:compliantECCN代码:EAR99
HTS代码:8533.29.00.00风险等级:5.84
构造:Aluminum HousingJESD-609代码:e0
引线直径:2.05 mm引线长度:11.13 mm
安装特点:CHASSIS MOUNT端子数量:2
最高工作温度:275 °C封装高度:13.87 mm
封装长度:26.97 mm封装形状:RECTANGULAR PACKAGE
封装形式:Chassis Mount封装宽度:27.43 mm
额定功率耗散 (P):25 W额定温度:25 °C
参考标准:MIL-R-18546电阻:250 Ω
电阻器类型:FIXED RESISTOR子类别:Fixed Resistors
表面贴装:NO技术:WIRE WOUND
温度系数:20 ppm/ °C端子面层:Tin/Lead (Sn/Pb)
端子形状:LUG容差:1%
工作电压:520 VBase Number Matches:1

825F250 数据手册

 浏览型号825F250的Datasheet PDF文件第2页 
89 sꢀꢁiꢀꢂ  
Metal-Mite® Aluminum Housed  
Axial Terminal Wirewound, 1% Tolerance  
Theꢀ89ꢀSeriesꢀisꢀaꢀhigh-performanceꢀaxialꢀtypeꢀ  
resistor.ꢀTheseꢀmolded-constructionꢀmetal-housedꢀ  
resistorsꢀareꢀavailableꢀinꢀhigherꢀpowerꢀratingsꢀthanꢀ  
standardꢀaxialꢀresistorsꢀandꢀareꢀbetterꢀsuitedꢀtoꢀwith-  
standingꢀvibration,ꢀshockꢀandꢀharshꢀenvironmentalꢀ  
conditions.  
F e at u r e s  
Theꢀ89ꢀSeriesꢀMetal-Mite®ꢀresistorsꢀareꢀaluminumꢀ  
housedꢀtoꢀmaintainꢀhighꢀstabilityꢀduringꢀoperationꢀ  
andꢀtoꢀpermitꢀsecureꢀmountingꢀtoꢀchassisꢀsurfaces.  
Theꢀmetalꢀhousingꢀalsoꢀprovidesꢀheat-sinkingꢀ  
capabilities.ꢀ  
•ꢀHighꢀStability:ꢀ±0.5%ꢀR  
•ꢀHighꢀpowerꢀtoꢀsizeꢀratio  
•ꢀMetalꢀhousingꢀallowsꢀchassisꢀmountingꢀandꢀpro-  
videsꢀheatꢀsinkꢀcapability  
serꢃes speCꢃFꢃCatꢃons  
Series  
805  
Wattage  
Ohms  
0.10-25K  
Voltage  
210  
5
810  
825  
850  
10  
25  
50  
0.10-50K  
0.010-75K  
0.005-100K  
320  
520  
1170  
Non-Inductive versions available. Insert “N” before tolerance code.  
Example: 850NF560  
CharaCterꢃstꢃCs  
Metal, anodized aluminum  
Silicone  
Housing  
Internal Coating  
Core  
Ceramic  
Solder-coated axial  
Terminals  
Linearly from 100% @ +25°C to 0% @ +275°C.  
±1% and ±5% (other tolerances available).  
Derating  
Tolerance  
Rating is based on chassis mounting area and temperature stability. Proper heat sink as follows: 5W and  
10W units, 4” x 6” x 2” x .040” Aluminum chassis; 25W units, 5” x 7” x 2” x .040” Aluminum chassis;  
50W units, 12” x 12” x .059” Aluminum panel.  
Power rating  
See chart.  
Maximum ohmic values  
Overload  
5 times rated wattage for 5 seconds.  
Under 1Ω: ±90 ppm/°C; 1 to 9.99Ω: ±50 ppm/°C; 10Ω and over: ±20 ppm/°C.  
5W and 10W rating,1000 VAC; 25 and 50W ratings, 2250 VAC.  
Temperature coefficient  
Dielectric withstanding voltage  
(continued)  
1-866-9-OHMITE • Int’l 1-847-258-0300 • Fax 1-847-574-7522 • www.ohmite.com • info@ohmite.com  
128  

825F250 替代型号

型号 品牌 替代类型 描述 数据表
825F250E OHMITE

完全替代

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