HS25 33R J

Operating Temperature:	--
Failure Rate:	--
Package / Case:	Axial, Box
Lead Style:	Solder Lugs
Height - Seated (Max):	0.583" (14.80mm)
Size / Dimension:	1.075" L x 0.559" W (27.30mm x 14.20mm)
Mounting Feature:	Flanges
Coating, Housing Type:	Aluminum
Features:	--
Series:	ARCOL, HS
Temperature Coefficient:	±100ppm/°C
Composition:	Wirewound
Power (Watts):	25W
Tolerance:	±5%
Resistance:	33 Ohms
Part Status:	Active
Packaging:	Bulk

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Introduction

Chassis mount resistors are resistors that are designed to be mounted within an enclosure or on a chassis assembly. They are sometimes referred to as surface mount resistors, open frame resistors, board mount resistors, or through-hole mount resistors. Chassis mount resistors are available in a variety of different styles, sizes, and resistance values and are used in a wide range of applications including general-purpose resistors, rheostats and potentiometers.Particularly, HS25 33R J is a very popular type of chassis mount resistor with a wide array of applications ranging from power supplies, amplifiers and mixers, to light fixtures, LED lights, and even in musical instruments. The HS25 33R J is an axial resistor with a metal oxide film construction that offers high stability, good power rating and low inductance. This makes it suitable for use in circuits that require high power ratings and minimal power losses.

Application Field

The HS25 33R J chassis mount resistor is most commonly used as a component in power supplies and other electronic circuits where current regulation and voltage management are required. It is often used as a safety device, preventing shocks from reaching sensitive components, or as a resistor in a regulator. HS25 33R J chassis mount resistor is also used in amplifier and mixer circuit designs and for lamps with LED lights. For example, an LED with an HS25 33R J could be used to replace an incandescent in a guitar or keyboard amplifier. This is because the HS25 33R J has a higher power rating and can also be adjusted easily to adjust the brightness of the LED without disrupting the circuitry. HS25 33R J is also commonly used in automobiles such as in speed regulators and automotive lights. It is often used as a current regulator in bench power supplies, and is also suitable for use in current-limiting circuits.

Working Principle

Chassis mount resistors such as the HS25 33R J are typically constructed by creating a wire loop or by winding a thin film of metal (such as copper) around a metal oxide substrate. This substrate will provide a high resistance, which is measured in ohms and is variable depending on the amount of current it is exposed to. In order to adjust the amount of resistance in a resistor, it must first be heated up until it is red hot, then cooled down again. This will cause the metal film to expand or contract depending on the amount of heat it is exposed to. When the metal is allowed to cool, the resistance will remain constant until the resistor is subjected to a similar amount of heat.

Conclusion

The HS25 33R J is a widely used type of chassis mount resistor. It has a variety of applications in power supplies, amplifiers and mixers, light fixtures, LED lights, automobiles, and even musical instruments. Its construction involves a metal oxide film substrate, which provides a high resistance that can be adjusted by heating and cooling the substrate. This makes it suitable for use in circuits that require high power ratings and minimal power losses.

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