Chassis Mount Power Resistor

The Chassis Mount Power Resistor from RST Electric represents the culmination of advanced materials engineering and precision manufacturing. Unlike conventional resistors, this Power Resistor features a robust metal aluminum crust that serves multiple critical functions: it provides excellent thermal conductivity for efficient heat dissipation, offers mechanical protection against vibration and shock, and enables secure mounting to cooling plates or chassis surfaces for optimal thermal management. The internal element is encapsulated using flame-retardant inorganic materials through an integrated encapsulation process, ensuring high insulating capacity and exceptional vibration resistance.

This construction results in an Aluminum Housed Resistor capable of continuous operation in temperatures ranging from -55°C to +275°C, with dielectric strength verified through rigorous testing. The compact form factor delivers high power density – small size combined with significant power load – making it ideal for space-constrained applications in industrial controls, renewable energy systems, and professional audio equipment. Each unit undergoes comprehensive performance validation including temperature coefficient measurement, short-time overload testing, solderability verification, and load life testing under both humidity and heat conditions. The non-flammability characteristic is confirmed through overload testing at 5x, 10x, and 16x rated power, ensuring no visible flame under extreme conditions.

As a trusted Chassis Mount Power Resistor manufacturer in China, RST Electric combines over 10 years of power resistor engineering expertise with stringent quality control to deliver components that meet the demanding requirements of modern industrial and commercial applications.

Technical Specification

Product Features

1.Metal Aluminum Crust Construction – Extruded aluminum housing provides excellent heat radiation performance and mechanical protection, enabling reliable operation in harsh environments .

2.High Power Density – Compact size combined with high power load capability, ideal for space-constrained industrial applications .

3.Superior Insulation & Flame Retardancy – Integrated encapsulation with flame-retardant inorganic materials ensures high insulating capacity and passes non-flammability testing at 16x overload .

4.Multi-Connection Flexibility – Available with copper lead wires or multiple connection forms for easy installation in various configurations .

5.Wide Application Range – Suitable for power supplies, VFDs, elevators, professional audio, and high-end equipment requiring precision and reliability .

6.Comprehensive Testing Validation – Each unit undergoes rigorous testing including temperature cycling, load life humidity/heat, vibration, and terminal strength verification .

7.Precision Tolerances – Available in ±1%, ±2%, ±5%, and ±10% tolerances to meet diverse circuit requirements .

8.High Voltage Capability – Maximum working voltages from 150V to 1600V with dielectric withstanding up to 2300V, covering medium to high voltage applications .

9.Excellent Thermal Stability – TCR as low as ±100 ppm/°C ensures minimal resistance drift across operating temperature range .

10.Customizable Forming – Special forming codes available for custom lead configurations and mounting arrangements .

Product Applications

Drawing and dimensions

Package and shipment

RST Electric ensures safe delivery of every Chassis Mount Power Resistor:

● Individual Packaging: Each resistor is wrapped in anti-static bubble film and placed in individual boxes to prevent surface damage to the aluminum housing.

● Lead Protection: Copper lead wires are protected with foam sleeves to prevent bending or damage during transit.

● Bulk Packaging: For volume orders, resistors are securely packed in corrugated cartons with foam dividers to prevent contact.

● Documentation: Packing lists and inspection certificates included with each shipment.

● Freight Options: Express courier (DHL/FedEx/UPS) for small quantities, air freight for medium volumes, sea freight for bulk orders.

All units undergo 100% electrical testing and visual inspection before packaging to ensure they meet specified resistance values and cosmetic standards.

Why choose RST Electric？

When precision, power, and reliability matter, RST Electric delivers.

Direct Factory, Aluminum Housed Specialists

● We are a certified Manufacturer based in China, specializing in Chassis Mount Power Resistor production for over 10 years.

● Complete in-house control over aluminum extrusion sourcing, element winding, integrated encapsulation, and testing – ensuring consistent quality.

● Factory-direct pricing on every Aluminum Housed Resistor, with transparent cost structure and no middlemen.

Professional Manufacturing & Quality Assurance

● ISO 9001 certified facilities with dedicated aluminum resistor assembly lines.

● 100% electrical testing (resistance, dielectric, insulation) performed on every unit.

● Comprehensive performance validation including temperature cycling, load life humidity, vibration, and non-flammability testing .

● Experienced engineering team specializing in power resistors for industrial and high-end equipment applications.

🌍 Global Experience, Trusted Supplier

● Proven Supplier to power supply manufacturers, VFD companies, elevator OEMs, and professional audio equipment producers worldwide.

● Export track record to over 40 countries, including Germany, USA, Japan, South Korea, and Italy.

● Deep domain expertise in applications requiring high reliability and precision in harsh environments.

Endless Customization

● Power ratings: 5W to 500W (higher available in custom configurations).

● Resistance values: 0.1Ω to 10kΩ (special values available).

● Tolerances: ±1%, ±2%, ±5%, ±10% (custom tolerances available).

● TCR options: ±100 ppm/°C to ±300 ppm/°C.

● Connection forms: Copper lead wires / Screw terminals / Custom connectors.

● Forming options: Special codes for custom lead configurations.

● Mounting: Standard chassis mount / Custom brackets / Cooling plate ready.

Reliable Delivery & Lifetime Support

● Standard lead time: 7-10 days for standard ratings; 12-15 days for custom configurations.

● Comprehensive documentation: Test reports, material certifications, RoHS/CE declarations.

● Technical support available for integration into power supplies, drives, audio equipment, and industrial controls.