Cement Resistor Series
Cement Resistors
Cement Resistors
SQH & SQHG Series
Featuring a heat-resistant ceramic housing filled with non-flammable cement, the SQH & SQHG Series provides excellent heat dissipation and high-temperature stability. With a wide operating temperature range from -55℃ to +275℃ and outstanding instantaneous overload capability, these resistors provide robust and reliable passive component protection for power supplies, industrial equipment, and high-power circuits.
FEATURES
- Super heat dissipation, stable in high temperature
- Instant overload capability
- Standard tolerance: 5% (1% is available)
- Working temperature range: -55℃~275℃
- Flameproof and moisture-resistant inorganic ceramic housing
MATERIAL
- Housing: Flameproof ceramic case filled with non-flammable cement
- Element: Wirewound or metal oxide film element
- Termination: Standard solder-plated copper lead
Technical FAQ for R&D and Procurement
Q: What are the main structural and heat dissipation advantages of the SQH and SQHG Series Cement Resistors?
A: This series features an insulating ceramic housing filled with non-flammable cement, providing excellent heat dissipation and high-temperature stability. The robust construction helps maintain stable resistance performance under high-load and extreme operating conditions.
Q: What is the operating temperature range and instantaneous overload capability of the Cement Resistors?
A: The SQH/SQHG Series supports a wide operating temperature range from -55℃ to +275℃ and provides excellent instantaneous overload capability. It is particularly suitable for power supply inrush protection, high-current discharge applications, and industrial control circuits.
Q: What resistance tolerance and precision options are available for the SQH / SQHG Series?
A: The standard resistance tolerance for this series is ±5%. For advanced industrial or measurement circuits requiring higher precision, a ±1% precision tolerance option is also available.
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