SQZ500JB-0R39

Series:	SQZ
Packaging:	Bulk
Part Status:	Active
Resistance:	390 mOhms
Tolerance:	±5%
Power (Watts):	5W
Composition:	Wirewound
Features:	Anti-Arc, Flame Proof, Moisture Resistant, Safety
Temperature Coefficient:	±300ppm/°C
Operating Temperature:	-55°C ~ 155°C
Package / Case:	Radial - 4 Leads
Supplier Device Package:	Radial Lead
Size / Dimension:	1.102" L x 0.394" W (28.00mm x 10.00mm)
Height - Seated (Max):	0.433" (11.00mm)
Number of Terminations:	2

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Through Hole Resistors
Through hole resistors, aka thru-hole resistors, are two-terminal electronic components with a hole in the center of the component for attaching it to a circuit board or other material. The terminals of the resistor are the two ends that come into contact with the circuit material, either metal or plastic. Through hole resistors are often used to adjust the current through an electronic component, such as a transistor or diode, or to provide constant voltage and current levels in a circuit, such as in a voltage regulation circuit.
The SQZ500JB-0R39 is a type of through hole resistor, intended to address the ever-increasing demands of compact and miniaturized circuits. This type of resistor is made up of a single-layer ceramic thick film chip that is extremely thin and enables a very small size, in addition to providing excellent thermal and electrical properties. In many types of circuits, this resistor can provide unmatched performance for higher power applications.
Due to its small size and thermal and electrical properties, the SQZ500JB-0R39 is best used for applications where size and space constrictions are a factor. Its small size and superior characteristics make it an ideal choice for use in compact and miniaturized circuits such as portable electronics, consumer electronics, medical electronics, instrumentation circuit boards, industrial control boards, automotive electronics, and various aerospace and defense applications. It is also suitable for use in low power circuits, general power supplies, battery-operated devices, and active high-current applications.
The SQZ500JB-0R39 utilizes a three-layer sliding contact for increased power output and reliability. It consists of a gold-plated copper CuNi80-20 contact pad and two layers of aluminium-nickel layers, both of which are embedded into a ceramic thick film. The combination of the three layers enables the resistor to absorb more power than previous through hole type resistors and to reduce contact resistance while also elevating contact reliability. The resistor also acts as a shunt regulator, providing a constant amount of current to the circuit. This through hole device works by transferring energy from one contact pad to the other. The resistor utilizes a property called voltage drop, which occurs when current is passed through a conductor and a resistance associated with the conductor. When current is passed through the resistor, the two contact pads become opposite in voltage, creating a voltage drop across the resistor. This voltage drop creates a resistive force that limits the amount of current passing through the resistor, thus regulating it. Due to its small size and excellent performance characteristics, the SQZ500JB-0R39 is a popular choice for controlling current in high-current miniaturized circuits. As these types of circuits become smaller and more powerful, the need for highly efficient resistors becomes more prevalent and the SQZ500JB-0R39 rises to the challenge. It provides an unbeatable combination of performance, size, thermal performance, and reliability for a host of applications in the ever-changing world of miniaturized circuits.

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Part Number	Manufacturer	Price	Quantity	Description