Varenummer: | 84-248 |
Varekode: | RTO20FK001 |
Vægt: | 3.1g |
Modstand: | 1kΩ |
Tolerance: | ±5% |
Effekt, max.: | 20W |
Komponenthus: | TO220 |
Features |
• 20W at 25°C and heatsink mounted (optional) • Low inductance • Compact size • Easy to mount due to TO220-package |
Technical Specifications |
Tolerance: |
±5% |
Power Rating |
|
Without Heatsink (25°C): |
2W |
With Heatsink1) (25°C): |
20W |
Operating Voltage, Max.: |
250W |
Dielectric Strength: |
2000Vrms |
Temperature Coefficient |
|
£0,1W: |
±250ppm/°C |
£0,5W: |
±150ppm/°C |
Thermal Resistance: |
6,5°C/W |
Temperature Range: |
-55...+155°C |
Climatic Category: |
55/155/56 |
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 25°C, Power Rating: 10W 1) P = DT / [RTH(j-c) + RTH (c-a)] 2) DT = 155°C - 25°C = 130K 3) [RTH(j-c) + RTH (c-a)] = DT / P = 130K / 10W = 13K/W4) RTH (c-a) = 13K/W - 6,5K/W = 6,5K/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 |