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PDF RTOP Data sheet ( Hoja de datos )
| Número de pieza | RTOP | |
| Descripción | Power Resistors | |
| Fabricantes | Vishay Siliconix | |
| Logotipo |  |
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RTOP
Vishay Sfernice
Power Resistors for Mounting onto a Heatsink
Thick Film Technology
FEATURES
• 1% tolerance available
• High power rating
• Wide ohmic value range
• Non inductive
• Easy mounting
• Low thermal radiation of the case
• Standard Isotop case (SOT 227 B)
This series of thick film power resistors include modules which can incorporate up to 2 different resistor values in the same SOT
227B package. Two types of terminations are available along with a 4 terminal device for measurement applications in the case
of the single resistor version. This product range benefits from Vishay Sfernice’s experience in thick film power resistor technol-
ogy i.e high power: volume ratio, low tolerance or individual resistors and excellent overload capabilities (due to the trimming
technique).
DIMENSIONS in millimeters
RTOP
V Connections
• Tolerances unless otherwise specified: ± 0.3mm
MECHANICAL SPECIFICATIONS
Mechanical Protection Insulated case
Substrate
Alumina on insulated base
Resistive Element
Cermet
End Connection
V connections: screw M4 x 6
Tightening Torque Connections 1 Nm
Tightening Torque Heatsink 2 Nm
ENVIRONMENTAL SPECIFICATIONS
Temperature Range
- 55°C to + 125°C
Climatic Category
55/125/56
ELECTRICAL SPECIFICATIONS
Resistance Range
0.046 to 1MΩ
Standard Tolerance
± 1% to ± 10%
Power Rating
50W to 200W at + 25°C
Temperature Coefficient
Standard
± 300 ppm/˚C (R < 1)
± 150 ppm/˚C (R > 1)
Insulation Resistance
> 106MΩ
Document Number: 50045
Revision 14-Jan-04
For technical questions, contact [email protected]
www.vishay.com
27
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