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Datasheet > 20/45MJ00R27297E
20/45MJ00R27297E PDF预览

20/45MJ00R27297E

更新时间： 2024-12-01 19:15:59
品牌 Logo 应用领域
OHMITE 电阻器
页数 文件大小 规格书
1页 113K
描述
Fixed Resistor, Wire Wound, 20W, 0.27ohm, 5% +/-Tol, Chassis Mount, ROHS COMPLIANT

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中文翻译

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20/45MJ00R27297E 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：ROHS COMPLIANT
Reach Compliance Code：unknownECCN代码：EAR99
HTS代码：8533.21.00.80风险等级：5.66
Is Samacsys：N其他特性：FLAMEPROOF,NON-INDUCTIVE, RATED POWER WITH HEATSINK: 45W
安装特点：CHASSIS MOUNT端子数量：2
最高工作温度：275 °C封装形状：RECTANGULAR PACKAGE
额定功率耗散 (P)：20 W额定温度：25 °C
电阻：0.27 Ω电阻器类型：FIXED RESISTOR
表面贴装：NO技术：WIRE WOUND
端子形状：FLEXIBLE WIRE容差：5%
Base Number Matches：1

20/45MJ00R27297E 数据手册

  
F E A T U R E S  
• Flameproof and inorganic  
• Higher power rating due to heat  
sink capacity  
• All welded construction  
• Nonhygroscopic  
Metalohm Series  
Cold Rolled Steel Encased Wirewound  
Heatsinkable Radial Terminal  
• High surge construction  
term. style 277  
0.250"  
term. style 276 (sq. collar, G3923)  
278 (oval collar, G3860)  
term. style 279  
S P E C I F I C A T I O N S  
23/16" max.  
Electrical  
ø0.068"  
1.5" max.  
1.5" max.  
Wattage: Based on a 275°C “U”  
characteristic derating curve  
Temperature coefficient:  
≥18 ohm: 0 ±90ppm/°C  
8 < 18 ohm: 0 ±50ppm/°C  
<8 ohm: 0 ±180ppm/°C  
(TC for some watt/ohm combina-  
tions may be lower)  
±0.005  
C
B
term. style 252  
5/16"  
A
ø0.195"  
term. style 211  
0.5" D  
0.75"  
ø0.089"  
ø0.171"  
1" max.  
1.25" max.  
Dielectric strength: Terminal to  
case, depends on terminal style  
(1500V min.)  
Creepage:  
term. style 277: 1.2”  
term. style 297  
term. style 298  
0.437" dia.  
wire  
wire  
term. style 278: 0.4”  
term. style 276: 0.7”  
1.25" max.  
term. styles 211/252/279: 0.15”  
Termination Wires  
• Stranded, available in any insu-  
lation rated 125°C or higher  
(may require term. style 297).  
• Custom cut/stripped lengths  
• Can be potted or pre-soldered to  
terminal styles 211 or 252  
• Quick connect (fully or partially  
insulated), ring or spade termina-  
tions available  
Watts  
Dimensions (inches)  
Style  
w/o heat sink w/ heat sink* A  
B
C
D
Ohmic range**  
20/45M  
20  
40  
40  
50  
60  
45  
70  
70  
1
17/16  
17/8  
3/4  
0.05-6K  
40/70M  
29/16  
29/16  
311/16  
59/16  
3
3
37/16  
37/16  
49/16  
67/16  
3/4  
7/8  
3/4  
3/4  
1.0-25K  
1.0-25K  
1.5-47.5K  
2.5-81K  
HV40-70M  
50/100M  
60/115M  
100  
115  
41/8  
6
*Based on a 12”x12”x1/8” aluminum heat sink, using a thermal compound, in a 25°C ambient  
Dielectric Sleeves  
• Steatite construction  
**Standard winding ranges only listed, other values available; contact Ohmite.  
• Style 276 meets UL/NEMA  
2500V RMS for one minute  
requirement  
• Available as terminal styles 276,  
277, 278, 297  
O P T I O N S  
• Noninductive versions (Aryton-  
D I E L E C T R I C S T R E N G T H  
Terminal Type 211 252, 279  
276  
278  
277  
297  
298  
Perry windings)  
Style  
20/45M  
40/70M  
HV40/70M  
50/100M  
60/115M  
Dielectric Strength  
1500  
1500  
N/A  
1500  
1500  
N/A  
1500  
N/A  
1500  
1500  
N/A  
2500  
N/A  
N/A  
2500  
N/A  
N/A 2500V 2500V  
N/A 2500V 2500V  
4250  
• Terminal sleeves to increase  
dielectric strength and maximize  
creepage distance  
• Variety of terminal choices  
• Potted or soldered wire terminals  
including quick connect, ring,  
spade terminals  
N/A  
N/A  
2500  
2500  
2500  
2500  
N/A 2500V 2500V  
N/A 2500V 2500V  
O R D E R I N G I N F O R M AT I O N  
• Tapped models  
RoHS Compliant  
� ꢀ ꢁ ꢂ ꢀ ꢃ ꢄ ꢅ ꢆ ꢀ ꢇ ꢈ ꢀ ꢉ ꢊ  
Style  
Non-inductive Tolerance Ohms  
Terminal Type  
(optional) K = 10%  
00R05 = 0.05  
A = 211 E = 277  
B = 252 F = 278  
C = 279 G = 297  
D = 276 H = 298  
J = 5%  
00R50 = 0.50  
1R000 = 1.00  
1K000 = 1,000  
10K50 = 10,500  
Check product availability at www.ohmite.com  
Subscribe to our  
New Product Bulletin at  
ohmite.com  
28  
Ohmite Mfg. Co. 1600 Golf Rd., Rolling Meadows, IL 60008 • 1-866-9-OHMITE • Int’l 1-847-258-0300 • Fax 1-847-574-7522 • www.ohmite.com • info@ohmite.com  
1

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