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Resistor TO220 50W 5% 1R
Varenummer:84-255
Varekode:RTO50FE001
Vægt:3.2g
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Internet-pris
Inkl. moms:
Kr. 74,54
v/10Kr. 62,11
v/25Kr. 49,69
v/100Kr. 37,26
RTO50FE001RTO50FE001RTO50FE001 DimensionsRTO50FE001 DeratingRTO50FE001 DeratingRTO50FE001 Dimensions
Gruppe: C1485
VISHAY Thick Film Resistors
Series: RTO50F
Power: 50W
Tolerance: 5%
Housing: TO220

Features
• 50W at 25°C heatsink mounted (optional)
• Low inductance
• Compact size
• Easy to mount due to TO220-package
Technical Specifications
Tolerance:
±5%
Power Rating
Without Heatsink (25°C):
2,25W
With Heatsink1) (25°C):
50W
Operating Voltage, Max.:
300V
Dielectric Strength:
2000Vrms
Temperature Coefficient
£0,046W:
±300ppm/°C
£0,1W:
±250ppm/°C
£0,5W:
±150ppm/°C
Thermal Resistance:
2,6°C/W
Temperature Range:
-55...+155°C
Climatic Category:
55/155/156
Derating:
See Curve
1) For calculation of heatsink please see values below Note
Note
• You will find suitable heatsinks at product group G9511.
Calculation of heatsink
P = DT / [RTH(j-c) + RTH(c-a)]

P = Expressed in W
DT = Difference between maximum working temperature (155°C) and room temperature
RTH(j-c) = Thermal resistance of the component
RTH(c-a) = Thermal resistance of the heatsink and quality of fastening device

Example:
Ambient Temperature 30°C, Power Rating: 13W
1) P = DT / [RTH(j-c) + RTH (c-a)]
2) DT = 155°C - 30°C = 125 K
3) [RTH(j-c) + RTH (c-a)] = DT / P = 125K / 13W = 9,6K/W4) RTH (c-a) = 9,6K/W - 2,6K/W = 7K/W
Terms of Delivery
Minimum order quantity: 1 PKU = 2 pieces
Form of delivery: original PKU, 50 pieces in a tube
Manufacturer
Vishay/Sfernice
http://www.vishay.com
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