SQM500JB-4R7

Series:	SQM
Packaging:	Bulk
Part Status:	Active
Resistance:	4.7 Ohms
Tolerance:	±5%
Power (Watts):	5W
Composition:	Ceramic
Features:	Anti-Arc, Flame Proof, Moisture Resistant, Safety
Temperature Coefficient:	±300ppm/°C
Operating Temperature:	-55°C ~ 155°C
Package / Case:	Radial
Supplier Device Package:	Radial Lead
Size / Dimension:	0.512" L x 0.354" W (13.00mm x 9.00mm)
Height - Seated (Max):	1.043" (26.50mm)
Number of Terminations:	2

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The SQM500JB-4R7 is a Through Hole Resistor (THR) commonly used in electronic applications where the highest level of reliability and performance are necessary. Applications for this device include power supplies, automotive electronics, telecom and data, instrumentation, industrial and medical devices, and a variety of other industrial and commercial electronic products. It offers a wide resistance range, excellent thermal performance, low noise, and conformance to RoHS standards.The SQM500JB-4R7 is made using a SMT technology. This THR is a “plug and play” device, with no soldering needed. Its construction consists of a forged copper bar and a ceramic body with embedded resistors, which together provide a high level of thermal performance. The resistors are temperature stabilized and their working temperature range is between -55°C and +105°C.This THR is designed for automated assembly. The assembly process is highly customizable and can be tailored to specific applications. The SQM500JB-4R7 has a low resistance value and is typically smaller than conventional wirewound resistors, making it ideal for applications where board space is limited or cost saving is necessary.The SQM500JB-4R7 is a four-terminal resistor measuring 0.5 x 0.5 mm square, with a body thickness of 0.08 mm. Inside the device, two sets of resistive elements are connected in series and electrically isolated from each other. The electrical properties of the device are determined by the end terminals, which are connected via solder paste. The temperature coefficient is better than 100 ppm/K, which makes this device suitable for applications such as electronic control circuits and precision instrumentation. The working principle of the SQM500JB-4R7 is based on the principles of Ohm’s Law. The device is constructed in such a manner that a relatively large current can be diverted around its two sets of resistive elements. This current is then diverted through a channel that has a given resistance value, creating a voltage drop across the element. The voltage drop is directly proportional to the current, allowing the device to precisely measure the current. In addition, the device is able to accurately measure the temperature of the environment in which it is placed, as the resistance value is also affected by the temperature.The SQM500JB-4R7 is ideal for a wide variety of applications including power supplies, automotive electronics, telecommunications, data instrumentation, industrial and medical devices, and a host of other industrial and commercial electronic applications. It offers a stable, high performance, low noise solution to applications where size and cost efficiency are important. Its small size, excellent thermal performance, low noise, and its conformance to RoHS standards make it an ideal choice for many applications.

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Part Number	Manufacturer	Price	Quantity	Description