This datasheet details the specifications, installation, and performance testing for the Vishay Sfernice LPS 800 power resistor designed for heatsink mounting.
The document describes the Vishay Sfernice LPS 800, a thick-film power resistor designed for mounting on heatsinks. Key features include a power rating of 800W at a base case temperature of 85°C, a resistance range from 0.3 Ω to 900 kΩ, and compliance with RoHS directives. The resistor utilizes an aluminum oxide substrate with M4 screw terminals for connection. This manual is written in Chinese.
| Power Rating | 800W |
|---|---|
| Resistance Range | 0.3 Ω to 900 kΩ |
| Tolerance | ± 1 % to ± 10 % |
| Operating Temperature | -55 ℃ to 175 ℃ |
| Thermal Resistance (RθJC) | 0.112 ℃/W |
| Insulation Resistance | ≥ 10^4 MΩ |
| Weight | 83 g ± 10 % |
The recommended torque for full power use is 2 Nm.
Silicone grease (e.g., Rhône-Poulenc SI 340 or Dow Corning Dow 340) or thermal tape (Pad II Q type) is recommended.