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  • 北京中其伟业科技有限公司

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  • 深圳市原力达电子有限公司

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  • B8J25K
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  • 厂家Ohmite 
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产品型号B8J25K的Datasheet PDF文件预览

200 Series  
Brown Devil® Vitreous Enamel Power  
Ohmite’s Brown Devil® is a small, exceptionally  
durable power resistor. It features all-welded con-  
struction and rugged, flame resistant conformal lead  
free vitreous enamel coating to ensure successful  
performance under high temperatures.  
The wirewound 200 Series has a hollow-core con-  
struction, which accommodates rigid mounting with  
brackets or thru bolts.  
F ꢁ at u ꢀ ꢁ S  
Mounting brackets not included with resistors.  
•ꢀRuggedꢀleadꢀfreeꢀvitreousꢀenamelꢀcoating  
•ꢀAll-weldedꢀconstruction.  
•ꢀSelfꢀsupportingꢀterminalꢀmountingꢀoption.  
•ꢀHigherꢀpowerꢀratings.  
•ꢀFlame-resistantꢀleadꢀfreeꢀvitreousꢀenamelꢀcoating.  
•ꢀRoHSꢀcompliantꢀproductꢀavailable.ꢀAddꢀ“E”ꢀsuffixꢀtoꢀ  
part number to specify.  
SꢁꢀꢂꢁS SPꢁcꢂFꢂcatꢂONS  
Series Wattage  
Ohms  
Lead Gauge Max. Voltage*  
B5  
B8  
B12  
B20  
5.25  
8.0  
12.0  
20.0  
0.1-20K  
0.03-25K  
0.08-51K  
0.1-100K  
20  
18  
18  
18  
187  
250  
625  
750  
Non-Inductive versions available. Insert “N” before tolerance code.  
Example: B5NJ10RE  
Also available in low cost Centohm or Silicone coating. Consult Ohmite.  
* Maximum Voltage is based on Ohm’s Law [V=√P*R] as limited by the resis-  
tance value of specified product  
chaꢀactꢁꢀꢂStꢂcS  
lead-free vitreous enamel  
Ceramic  
Coating  
Core  
Tinned axial; RoHS solder composition is 96% Sn, 3.5%  
Ag, 0.5% Cu  
Terminals  
Linearly from 100% @ +25°C to 0% @ +350°C  
Derating  
1Ω+: ±5%  
Tolerance  
under 1Ω: ±10%  
Based on 25°C free air rating  
Power rating  
Overload  
10 times rated wattage for 5 seconds  
5Ω and under: ±400 ppm/°C  
Above 5Ω: ±260 ppm/°C  
Temperature coefficient  
To calculate, use the formula √P/R  
Max. amps  
(continued)  
1-866-9-OHMITE • Int’l 1-847-258-0300 • Fax 1-847-574-7522 • www.ohmite.com • info@ohmite.com  
82  
200 Series  
Brown Devil® Vitreous Enamel Power  
dꢂmꢁNSꢂONS  
(in. / mm)  
1.50 in. -0/+0.25  
Series Wattage  
L
D
C
Lead Gauge  
38.10 mm -0/+6.35  
B5  
5.25  
8.0  
0.625 / 15.88  
1.000 / 25.40  
1.750 / 44.45  
2.000 / 50.80  
0.250 / 6.35  
0.313 / 7.94  
0.313 / 7.94  
0.438 / 11.11  
0.135 / 3.43  
0.188 / 4.76  
0.188 / 4.76  
0.250 / 6.35  
20  
18  
18  
18  
B8  
B12  
B20  
12.0  
20.0  
D
C
L
OꢀdꢁꢀꢂNg ꢂNFOꢀmatꢂON  
Standard Values  
Wattage  
Wattage  
Wattage  
Wattage  
Wattage  
Part No.  
Prefix  
Suffix  
Part No.  
Prefix   
Suffix  
Part No.  
Prefix   
Suffix  
Part No.  
Prefix   
Suffix  
Part No.  
Prefix   
Suffix  
0.5 –––R50Eꢀ  
   
20 –––20REꢀ     
22 –––22REꢀ   
24 –––24REꢀ   
270 –––270Eꢀ   
2,250 –––2K25Eꢀ ꢀ    
16,000 –––16KEꢀ  
  
1
–––1R0Eꢀ      
300 –––300Eꢀ  
    
    
2,400 –––2K4Eꢀ  
2,500 –––2K5Eꢀ  
    
17,500 –––17K5Eꢀ ꢀ    
18,000 –––18KEꢀ  
20,000 –––20KEꢀ      
22,500 –––22K5Eꢀ ꢀ  
1.1 –––1R1Eꢀ  
1.2 –––1R2Eꢀ  
1.3 –––1R3Eꢀ  
330 –––330Eꢀ   
  
25 –––25REꢀ  
    
350 –––350Eꢀ  
360 –––360Eꢀ  
2,700 –––2K7Eꢀ   
2,750 –––2K75Eꢀ ꢀ  
27 –––27REꢀ   
  
1.5 –––1R5Eꢀ     
1.6 –––1R6Eꢀ   
1.8 –––1R8Eꢀ   
30 –––30REꢀ     
33 –––33REꢀ   
390 –––390Eꢀ   
3,000 –––3K0Eꢀ      
3,300 –––3K3Eꢀ   
25,000 –––25KEꢀ  
30,000 –––30KEꢀ  
35,000 –––35KEꢀ  
40,000 –––40KEꢀ  
45,000 –––45KEꢀ  
50,000 –––50KEꢀ  
55,000 –––55KEꢀ  
60,000 –––60KEꢀ  
65,000 –––65KEꢀ  
70,000 –––70KEꢀ  
75,000 –––75KEꢀ  
80,000 –––80KEꢀ  
85,000 –––85KEꢀ  
90,000 –––90KEꢀ  
95,000 –––95KEꢀ  
    
400 –––400Eꢀ  
430 –––430Eꢀ  
450 –––450Eꢀ  
    
   
35 –––35REꢀ  
36 –––36REꢀ  
   
   
3,500 –––3K5Eꢀ  
3,600 –––3K6Eꢀ  
    
   
2
–––2R0Eꢀ      
   
2.2 –––2R2Eꢀ  
39 –––39REꢀ   
40 –––40REꢀ  
470 –––470Eꢀ   
500 –––500Eꢀ  
3,900 –––3K9Eꢀ   
2.4 –––2R4Eꢀ   
2.7 –––2R7Eꢀ   
    
    
4,000 –––4K0Eꢀ  
4,300 –––4K3Eꢀ  
    
   
43 –––43REꢀ   
47 –––47REꢀ   
510 –––510Eꢀ   
560 –––560Eꢀ   
3
–––3R0Eꢀ      
4,500 –––4K5Eꢀ     
4,700 –––4K7Eꢀ   
3.3 –––3R3Eꢀ   
3.6 –––3R6Eꢀ   
3.9 –––3R9Eꢀ   
50 –––50REꢀ  
    
600 –––600Eꢀ  
620 –––620Eꢀ   
650 –––650Eꢀ  
680 –––680Eꢀ   
700 –––700Eꢀ  
750 –––750Eꢀ      
   
51 –––51REꢀ   
56 –––56REꢀ   
62 –––62REꢀ   
68 –––68REꢀ   
75 –––75REꢀ      
82 –––82REꢀ   
5,000 –––5K0Eꢀ  
5,100 –––5K1Eꢀ   
5,600 –––5K6Eꢀ   
6,000 –––6K0Eꢀ ꢀ  
6,200 –––6K2Eꢀ   
6,800 –––6K8Eꢀ   
    
    
    
4
–––4R0Eꢀ  
    
    
4.3 –––4R3Eꢀ   
4.7 –––4R7Eꢀ   
5
   
–––5R0Eꢀ  
800 –––800Eꢀ  
    
5.1 –––5R1Eꢀ   
5.6 –––5R6Eꢀ   
6.2 –––6R2Eꢀ   
6.8 –––6R8Eꢀ   
7.5 –––7R5Eꢀ     
8.2 –––8R2Eꢀ   
91 –––91REꢀ   
100 –––100Eꢀ      
820 –––820Eꢀ   
7,000 –––7K0Eꢀ  
100,000 –––100KEꢀ ꢀ  
= Standard values; check  
availability at www.ohmite.com  
900 –––900Eꢀ  
910 –––910Eꢀ  
   
7,500 –––7K5Eꢀ      
8,000 –––8K0Eꢀ     
8,200 –––8K2Eꢀ   
110 –––110Eꢀ  
These values involve very fine  
resistance wire and should not  
be used in critical applications  
without burn-in and/or thermal  
cycling:  
120 –––120Eꢀ   
1,000 –––1K0Eꢀ      
1,100 –––1K1Eꢀ    
1,200 –––1K2Eꢀ   
1,250 –––1K25Eꢀ ꢀ     
1,300 –––1K3Eꢀ   
1,500 –––1K5Eꢀ      
125 –––125Eꢀ  
130 –––130Eꢀ  
    
8,500 –––8K5Eꢀ  
9,000 –––9K0Eꢀ  
9,100 –––9K1Eꢀ  
   
9.1 –––9R1Eꢀ   
10 –––10REꢀ      
150 –––150Eꢀ    
160 –––160Eꢀ   
180 –––180Eꢀ   
200 –––200Eꢀ      
220 –––220Eꢀ   
10,000 –––10KEꢀ      
B5: 6.8K-20KΩ  
B8: 12.5K-25KΩ  
B12: 30K-51KΩ  
B20: 22.5K-100KΩ  
11 –––11REꢀ  
12 –––12REꢀ     
13 –––13REꢀ  
15 –––15REꢀ     
11,000 –––11KEꢀ  
1,600 –––1K6Eꢀ  
1,750 –––1K75Eꢀ ꢀ     
1,800 –––1K8Eꢀ  
12,000 –––12KEꢀ   
12,500 –––12K5Eꢀ ꢀ     
13,000 –––13KEꢀ   
225 –––225Eꢀ  
240 –––240Eꢀ   
250 –––250Eꢀ  
16 –––16REꢀ  
18 –––18REꢀ  
2,000 –––2K0Eꢀ      
2,200 –––2K2Eꢀ   
13,500 –––13K5Eꢀ ꢀ  
  
    
15,000 –––15KEꢀ      
Coating  
Blank = Vitreous  
C = Centohm  
Non-Inductive  
Winding  
Made-to-order Parts  
Optional (blank  
RoHS  
Compliant  
Non-Inductive Winding  
Optional (blank  
Core Diameter  
S = Silicone Wattage = std. winding)  
See “Core and  
RoHS  
Compliant  
= std. winding)  
Terminal Selection”  
2 0 0 N 8 D 5 R 0 0 0 J E  
See web-  
site for  
Series  
Tolerance Ohms  
F = 1%  
H = 3%  
1R0 = 1Ω  
250 = 250Ω  
1K0 = 1,000Ω  
Coating  
Wattage  
Ohms  
Tolerance  
F = 1%  
H = 3%  
custom  
core info  
J
= 5%  
200 = Vitreous  
400 = Silicone  
Ceramic  
3
5.25  
8
R500 = 0.500Ω  
1R00 = 1Ω  
250R = 250Ω  
1K00 = 1,000Ω  
25K0 = 25,000Ω  
25K5 = 25,500Ω  
K = 10% 25K = 25,000Ω  
25K5 = 25,500Ω  
J
=
5%  
12  
20  
K = 10%  
1-866-9-OHMITE • Int’l 1-847-258-0300 • Fax 1-847-574-7522 • www.ohmite.com • info@ohmite.com  
83  
配单直通车
B8J300E产品参数
型号:B8J300E
是否无铅: 不含铅
是否Rohs认证: 符合
生命周期:Active
IHS 制造商:OHMITE MANUFACTURING CO
包装说明:AXIAL LEADED, ROHS COMPLIANT
Reach Compliance Code:compliant
ECCN代码:EAR99
HTS代码:8533.21.00.80
风险等级:2.03
构造:All-Welded
JESD-609代码:e1
引线直径:1.02 mm
引线长度:38.1 mm
安装特点:THROUGH HOLE MOUNT
端子数量:2
最高工作温度:350 °C
封装直径:7.94 mm
封装长度:25.4 mm
封装形状:TUBULAR PACKAGE
封装形式:Axial
额定功率耗散 (P):8 W
额定温度:25 °C
电阻:300 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:260 ppm/ °C
端子面层:Tin/Silver/Copper (Sn/Ag/Cu)
端子形状:WIRE
容差:5%
工作电压:250 V
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