RSN ±2% Flameproof Metal Oxide Resistors with Heat and Humidity Resistance

1. Electrical and mechanical stability and high reliability.

2. Nonflame painting, Solvent proof, resistant to heat & humidity.

3. Annual shift is low for the strengthened metal oxide film.

4. Low noise can produce high resistance values which wire wound resistors can not reach.

The RSN series flameproof metal oxide film resistor features an axial-lead construction and offers multiple power ratings and resistance values. It is designed for electronic circuit applications where flameproof characteristics, low noise, and defined electrical specifications are relevant to component selection. Available rated power options include 1/4W, 1/2W, 1W, 2W, 3WL, 4W, 5W, and 7W. This version specifies a resistance tolerance of ±2%.

For power supply equipment, industrial electronics, and general electronic products in the US and European markets, the RSN series can be evaluated for suitable power and control circuit positions. Final selection should account for resistance value, continuous working voltage, rated power, ambient temperature, and circuit loading.

Voltage and temperature considerations: The rated continuous working voltage must not exceed the lower of the voltage calculated from rated power and resistance or the listed maximum working voltage. For ambient temperatures above 70°C, the rated load must be reduced according to the derating curve. The temperature coefficient test range should not be interpreted as a universal full-power operating temperature guarantee for every model.

The RSN flameproof resistor can be evaluated for circuit positions such as control, bias, or other fixed-resistance functions within power supply designs. Suitability depends on circuit topology, operating voltage, and power dissipation.

For industrial control boards and internal electronic equipment circuits, the RSN series provides multiple power ratings and resistance ranges. Engineers can evaluate component suitability against the ±2% resistance tolerance, rated power, and working voltage limits.

Metal oxide film resistors can be considered for circuit positions requiring a defined resistance value and low-noise characteristics. Actual signal performance depends on circuit design, selected resistance, and surrounding components.

The axial-lead configuration is suitable for PCB designs with compatible through-hole lead layouts. Purchasing and engineering teams can select a model based on mounting requirements, resistance range, power rating, and packaging format.

The product specification includes temperature cycling, load-life, and moisture-proof load-life tests. These test categories provide reference information for engineering evaluation, while final suitability must be determined against the equipment's actual environment, electrical load, and validation requirements.