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IS200 PDF预览

IS200

更新时间: 2024-09-26 12:46:27
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2页 256K
描述
Ultra Low Profile Power Resistors

IS200 数据手册

 浏览型号IS200的Datasheet PDF文件第2页 
THICK FILM  
IS Series  
Ultra Low Profile Power Resistors  
F ꢀ at u ꢁ ꢀ S  
•ꢀHeatsinkable  
•ꢀAvailableꢀwithꢀfast-onꢀter-  
minalsꢀorꢀwireꢀleadsꢀ  
•ꢀRuggedꢀconstructionꢀ  
•ꢀLowꢀprofile  
•ꢀHighꢀpower  
•ꢀUltraꢀlowꢀprofileꢀthick-filmꢀ  
onꢀsteel  
•ꢀ175Wꢀtoꢀ270Wꢀsizes  
•ꢀSingleꢀfixingꢀheatsinkꢀ  
mountable  
•ꢀPulseꢀhandlingꢀcapability  
•ꢀNon-flammable  
•ꢀLowꢀinductances  
u S ꢀ S  
•ꢀBrakingꢀresistorsꢀ  
THIS PRODUCT IS DESIGNED  
FOR USE WITH PROPER HEATSINKING.  
Maximumꢀbaseꢀplateꢀtemperatureꢀofꢀtheꢀresistorꢀmustꢀbeꢀmonitoredꢀandꢀkeptꢀ  
withinꢀspecifiedꢀlimitsꢀtoꢀestablishꢀtheꢀpowerꢀrating.ꢀBestꢀtechniqueꢀisꢀtoꢀattachꢀaꢀ  
thermocoupleꢀtoꢀtheꢀsideꢀofꢀtheꢀbaseꢀplateꢀofꢀtheꢀresistor.ꢀ  
•ꢀIn-rushꢀcurrentꢀlimiterꢀ  
•ꢀBleederꢀresistorꢀ  
•ꢀPowerꢀswitchingꢀ  
•ꢀSoftꢀcharging  
SꢀꢁꢂꢀS SPꢀcꢂFꢂcatꢂONS  
Power Resistance  
Construction  
Rating  
Type (watts)  
IS175 175 5Ω to 10KΩ 10%, 20%  
IS200 200 5Ω to 10KΩ 10%, 20%  
IS250 250 5Ω to 10KΩ 10%, 20%  
IS270 270 5Ω to 10KΩ 10%, 20%  
Range  
(Ω)  
Termination  
Glass Overcoat  
Resistive Glaze  
Stainless Steel  
Dielectric  
Tolerance  
chaꢁactꢀꢁꢂStꢂcS  
TCR <250ppm (surface temp less than  
Derating  
150°C)  
120  
100  
80  
Hot spot surface temperature 200°C max.  
Working voltage Not to exceed 300V  
Over-vlotage rating 5X rated power for up to for up to  
60  
1 second  
40  
Resistive element Thick Film  
Derating element surface temp. at 100% to  
20  
0% power at 200°C surface temp.  
0
0
50  
100  
150  
200  
250  
Power rating dependent on mounting and heat-  
Resistor Surface Temp., oC  
sink thermal capacity  
Maximum element 365°C  
temperature  
Pulsed load at full pulse Max. 1%ΔR; (see Fig 1)  
power rating 1,000 cycles  
Mounted on a 0.06°C/W heatsink  
with forced air cooling, air tempera-  
ture 25°C (ref AH32430 12" long)  
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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