High Precision Alloy Sampling Resistor

As technology advances, the demand for ultra-precision alloy sampling resistors has been on the rise in various industries. These resistors serve as essential components in electronic circuits, ensuring accurate results in various applications, such as power control systems, medical devices, and aerospace instrumentation.

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Description

Ultra-Precision Alloy Sampling Resistors: A Revolutionary Innovation

What are ultra-precision alloy sampling resistors?

These resistors are specially designed components used in electronic circuits to sample current or voltage accurately. Unlike ordinary resistors, ultra-precision alloy sampling resistors have a lower tolerance level, which means that their resistance values are more accurate and stable.

Why are they necessary?

In electronic circuitry, accuracy is everything. The slightest variance in current or voltage can have devastating effects on the overall performance of the system. Ultra-precision alloy sampling resistors guarantee that the performance is consistent, reliable, and of the highest quality.

What is the technology behind these resistors?

Ultra-precision alloy sampling resistors employ a unique technology that combines magnetic and thermal effects to provide high-precision resistance measurement. The resistors are made of specific alloys that exhibit very low temperature coefficients and improved stability over a wide range of operating temperatures.

To ensure ultra-precision, these resistors undergo advanced manufacturing processes such as laser trimming, which precisely adjusts resistance values to within the desired specifications.

What are the benefits of using ultra-precision alloy sampling resistors?

The primary benefit of using ultra-precision alloy sampling resistors is the improved accuracy they offer. Furthermore, their high stability ensures that they can withstand various environmental stresses such as thermal shocks, moisture, and vibrations. This makes them ideal for use in critical applications where reliability is paramount.

In summary, Ultra-precision alloy sampling resistors are a revolutionary innovation in electronic circuitry. These resistors offer the highest level of accuracy, stability, and reliability, making them critical components in various applications. As demand for accuracy and precision continues to grow, the importance of these resistors cannot be overstated.

Table 1-Parameters
Mode		RNG4826
Stopped value interval		From 0.005 to 50Ω
power rating	The heat sink is not installed70℃	3w/5w for 3825H
	Add radiator	50w
accuracy		0.1%/0.25%/0.5%/1%/2%/5%
Thermal resistance		1.6KW
stability (1000h)		0.01%/ 0.02%/ 0.05% (depending on the pressure)
temperature coefficient		±10ppm/K (20 to 60℃) ±5ppm/K (20 to 60℃) ±2ppm/K (20 to 60℃)
Pressure resistance value		500VDC
Maximum current		50A
Thermoelectric potential		<1μV/K
Operating temperature interval		-40 to 130℃
Resistance material		Manganese copper nickel foil
placode		Anodized aluminum
Protective layer		Epoxy resin
Electrode material		Tinned copper
Pin count		4, 6
Maximum torque		1Nm

Table 2- Temperature coefficients

Table 3- -reduced power curve

product-391-280

Rated Power Note-

RNG4826 Series resistance connected to a suitable radiator for use.

The maximum internal temperature is 130°C. Using the following formula:

Where: Re= thermal resistance of the radiator (K / W)

RiR = electric resistance of thermal resistance (K / W)

TMAx = maximum resistance maximum working temperature

TA = Ambient temperature of radiator (℃)

P = power of resistor (W)

Table 4-4 Line connection

For low resistance resistance (less than 10 Ω), the increase in the resistance and temperature coefficient of the copper pin exceeds the resistance itself. A four-legged Kelvin connection is recommended, as shown in the figure below.

The load current on the V-pin will cause a measurement error.