參數(shù)資料
型號: ULV60
廠商: Rhopoint Components Ltd.
英文描述: ULV/ULH TYPE
中文描述: 超低/超長距離型
文件頁數(shù): 1/2頁
文件大?。?/td> 246K
代理商: ULV60
Tel :
+ 44 (0) 1883 717988
Fax :
+44 (0) 1883 712938
Website :
http://www.rhopointcomponents.com
Email:
sales@rhopointcomponents.com
ULV/ULH TYPE (UL
Approved)
The ULV(V=vertical & ULH(H=horizontal) models are UL approved metal-clad, wire-wound high-power resistors designed for
industrial and other applications. Our extruded aluminium housing provides rugged and strong protection. These models are
available with flying leads or Tab terminals and can be ordered with inductive or non-inductive windings. To conform to UL
safety requirements, ULV/ULH models differ from IRV/IRH models in that: The resistance range is smaller, the flying leads
are UL approved and the dielectric strength depends on the ohmic value.
GENERAL SPECIFICATIONS
Resistance Range [ohms]
Non-
Inductive
on
Heat Sink
Tab
terminals
leads
terminals
ULH/ULV60
60
0.1-375
0.1-400
0.1-180
ULH/ULV80
80
0.1-281
0.1-910
0.1-110
ULH/ULV100
100
0.1-225
0.1-1.1K
0.1-225
ULH/ULV120
120
0.1-187
0.1-1.3K
0.1-187
ULH/ULV150
150
0.1-150
0.1-1.6K
0.1-150
ULH/ULV200
200
0.1-450
0.1-2.2K
0.1-450
ULH/ULV300
300
0.1-300
0.1-2.7K
0.1-300
ULH/ULV400
400
0.1-225
0.1-4.3K
0.1-225
ULH/ULV500
500
0.1-180
0.1-6.8K
0.1-180
CHARACTERISTICS
Values in [ ] mean change in ohms after test
Inductive
Model
Wattage
Rating
Flying
Tab
Flying
leads
0.1-180
0.1-110
0.1-240
0.1-300
0.1-390
0.1-1K
0.1-1.5K
0.1-2.2K
0.1-3K
Resistance
Tolerance
+-2.0(G)
+-5.0(J)
+-10(K)
Temperature Range
-55C to 200C
Insulation Resistance
20M
ohms minimum
Dielectric Strength
[1000V+(rated voltage×2)] / min.
Temp. Coefficient
+-260ppm/C maximum
Short Time Overload
+-[2%+0.05ohms] 60W:5Xwattage rating-5second, 80to500W: 10Xwattage rating-5seconds
Moisture Resistance
+-[3%+0.05 ohms] 40C, 95% RH, DC100V case to terminal (500hrs.)
Thermal Shock
+-[2%+0.05 ohms] wattage rating 30min., -25C, 15minutes
Vibration
+-[1%+0.05 ohms] 10Hz-55Hz-10Hz (1min.),2hrs. each direction
Moisture Load Life
+-[3%+0.05 ohms] 40C,95%RH,0.1Xwattage rating, 1.5h.on,30min.off,500 hours
Load Life
Applied voltage : AC RMS voltage
SURFACE TEMPERATURE INCREASE VERSUS POWER LOAD
+-[5%+0.05 ohms] Wattage rating 1.5h. on, 30min. off, 500hours
A mid-point bracket is required for 150, 300, 500W models to ensure sufficient contact with the heat sink.
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