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  2. Komponenter
  3. Modstande
  4. Effekt 50W
  5. RCH50K002,2

Resistor 50W 5% 2,2K

Varenummer:101-580
Varekode:RCH50K002,2
Vægt:8.8g
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Internet-pris
Inkl. moms
Kr. 89,38
v/10Kr. 77,84
v/25Kr. 66,31
v/100Kr. 62,47

RCH50K002,2 Resistor 50W 5% 2,2KRCH50K002,2 Resistor 50W 5% 2,2K DimensionsRCH50K002,2 Resistor 50W 5% 2,2K DeratingRCH50K002,2 Resistor 50W 5% 2,2K RCH50_RCH50K002,2 Resistor 50W 5% 2,2K DeratingRCH50K002,2 Resistor 50W 5% 2,2K Dimensions
Produkt: Modstand
Modstand: 2200Ω
Tolerance: ±5%
Effekt, max.: 50W
Features
• 50W at 25°C heatsink mounted (optional)
• Compact size
• Easy mounting
• High insulation: 106MW
Technical Specifications
Resistance Value:
 Row E12, Reduced
Tolerance:
 ±5%
Power Rating
Without Heatsink:
 5,5W
With Heatsink1):
 50W
Operating Voltage, Max.:
 1285V
Dielectric Strength:
 3500V
Temperature Coefficient
<1W:
 ±250ppm/°C
>1W:
 ±150ppm/°C
Thermal Resistance:
 0,8K/W
Temperature Range:
 -55...+125°C
Climatic Category:
 55/125/56
Derating:
 See Curve
1) For calculation of heatsink please see values below Note
Calculation of heatsink
P = DT / [RTH(j-c) + RTH(c-a)]

P = Expressed in W
DT = Difference between maximum working temperature (125°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: 70W
1) P = DT / [RTH(j-c) + RTH (c-a)]
2) DT = 125°C - 30°C = 95 K
3) [RTH(j-c) + RTH (c-a)] = DT / P = 95K / 70W = 1,36K/W4) RTH (c-a) = 1,36K/W - 1K/W = 0,36K/W
Manufacturer
Vishay/Sfernice
http://www.vishay.com
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