RN Precision Metal Film Resistors Suppliers and Manufacturers - Made in China

Product Description

RN Precision Metal Film Resistors

Products

RN Precision Metal Film Resistors

Features

1. Low T.C. 25ppm 50ppm 100ppm.

2. High precision:± 0.25%、± 0.5%、± 1%、± 5%.

3. Temperature stable, low noise, good reliability.

4. 0.1% / 25ppm case by case.

Electrical And Mechanical Performance of RN Precision Metal Film Resistors:

Characteristics	Standards	Test Methods
Resistance Tolerance	±1%(F)or ±0.5%(D)	-
Resistance Temp. Coeff.	±25ppm/°C、±50ppm/°C、 ±1。6ppm/°C、	-65°C ~ 175°C
Power Rating Load	Surface temp, 175°C Max.△R/R≤±1%	Rated voltage for 30 minutes
Short Time Overload	±0.5%	2.5 times of rated valtage for 5 seconds.
Dielectric Withstanding Voltage	No evidence of mechanical damage or insulation breakdown.	Max. Overload Voltage for 1 min.(RN1W& 1WL： AC 350V: RN 1/4 WS:AC 300V )
Insulation Resistance	10,000MΩ	DC 100V or 500V megger
Terminal Strength	No evidence of mechanical damage.	1 kg
Solder-ability	Minimum95%coverage	235±5°C for 2 seconds
Resistance to Soldering Heat	No evidence of mechanical damage.△R/R≤ ± 1 %	270±5°C for 10 ±1 seconds 350±10°C for 3.5 ±0.5 seconds

Environmental Characteristics of RN Precision Metal Film Resistors:

Characteristics	Standards	Test Methods
Temp. Cycle	△ R/R≤±0.25%	-65°C( 30 min.) —► Room Temp.( 3 min.) —►+175°C(30 min.) —► Room Temp.( 3 min.)/( 5 cycles)
Load Life	△R/R≤±2%	Rated power load 90 minutes ON 30 minutes OFF 70°C 1000 hours
Moisture-proof Load Life	△R/R≤±1.5%	Rated power load 90 minutes ON 30 minutes OFF 40°C95%RH1000 hours
Nonflammability	not flamed	16 times of rated wattage for 5 min. (RN 1W & RN 1WL).

Dimensions of RN Precision Metal Film Resistors：