D50K750

Series:	Dividohm®210
Packaging:	Bulk
Lead Free Status / RoHS Status:	--
Part Status:	Active
Moisture Sensitivity Level (MSL):	--
Resistance:	750 Ohms
Power (Watts):	50W
Tolerance:	±10%
Adjustment Type:	Slide
Diameter:	0.563" OD, 0.313" ID (14.30mm x 7.94mm)
Length:	4.000" (101.60mm)
Mounting Type:	Chassis Mount
Termination:	Solder Lug
Package / Case:	Radial, 3 Lead, Tubular

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Adjustable Power Resistor

D50K750 adjustable power resistors are a type of adjustable passive resistor used to limit current in a wide range of applications. They have high accuracy, low power dissipation, and can be used in applications where space is limited.

Typical Applications

Adjustable power resistors are used in many applications, such as:

• Over-current protection.
• Voltage and current sensing.
• DC to DC conversion.
• DC voltage regulation.
• Static switching.
• Thermal management.
• Electronic over-load protection.
• DC motor control.
• Stabilization on DC and AC circuits.
• Power-on off switching.

Adjustable power resistors also find applications in military and aerospace, medical, home automation, and industrial environments.

Working Principle

Adjustable power resistors work on the principle of Ohm\'s Law. Ohm\'s Law states that the current through a conductor between two points is directly proportional to the potential difference across the two points. The resistance between the two points is equal to the potential difference divided by the current flowing between the two points. Adjustable power resistors are "resistors" in the sense that they limit the amount of current that can flow through them. However, they differ from ordinary resistors in that the resistance can be easily adjusted. This is usually done by turning a knob or dial which makes contact with a fixed resistor. The resistance is then adjusted by changing the contact between the fixed resistor and the knob or dial.

Construction

Adjustable power resistors are made up of a base and a number of contacts, usually two or three. The base is usually made of glass-fiber reinforced plastic which is strong, light weight and non-conductive. The contacts are usually made from metals such as copper, nickel or brass and can be plated with gold or silver for better conductivity. The contacts are usually arranged in a pattern to form a bridge circuit, and they are connected to the base via metal pins. This arrangement allows for precise adjustment of the resistor\'s resistance.

Conclusion

D50K750 adjustable power resistors are a type of adjustable passive component used to limit current in a wide range of applications. They have high accuracy, low power dissipation, and can be used in applications where space is limited. They are used in many applications such as over-current protection, DC to DC conversion, electronic over-load protection and power-on off switching. They work on the principle of Ohm\'s Law and are made up of a base and a number of contacts which are arranged in a pattern to form a bridge circuit.

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