H4237RBDA

Series:	Holco, Holsworthy
Packaging:	Bulk
Part Status:	Active
Resistance:	237 Ohms
Tolerance:	±0.1%
Power (Watts):	0.5W, 1/2W
Composition:	Metal Film
Features:	Pulse Withstanding
Temperature Coefficient:	±25ppm/°C
Operating Temperature:	-55°C ~ 155°C
Package / Case:	Axial
Supplier Device Package:	Axial
Size / Dimension:	0.146" Dia x 0.394" L (3.70mm x 10.00mm)
Height - Seated (Max):	--
Number of Terminations:	2
Failure Rate:	--

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Through Hole Resistors: H4237RBDA Application field and Working PrincipleThe H4237RBDA is a through-hole resistor assembly designed for use in applications where superior temperature, frequency and long-term stability are required. Its low output noise and good heat dissipation make it ideal for both AC and DC circuits.Through-hole resistors are an important component in electronics, providing circuit protection and resistance in signals. H4237RBDA through hole resistors are constructed with tin-coated metal film layers and metal-oxide-semiconductor (MOS) dielectric layers. These layers are then encased within a metal housing, giving the component an overall high performance. The H4237RBDA also has an adjustable resistance range of up to 6.5 Ohms for precise signal control.Applications of the H4237RBDA through hole resistor include:

• Power transmission and distribution
• Power supply regulation
• Choice of electrical loads and motor control
• High-speed switching circuits
• Telecommunications and industrial equipment
• Earth protective systems

The H4237RBDA is well suited to a wide range of applications as it can handle harsh environmental conditions. Its high resistance value also reduces power losses and reduces temperature rise. The compact size makes it suitable for use in small, confined spaces.The H4237RBDA operates within a temperature range of –55 °C to +125 °C, with a power rating up to 300 mW. Its frequency range runs from 5 Hz to 10 kHz. Its maximum tolerance for voltage is up to 200 V.The working principle of the H4237RBDA is based on the Ohm\'s Law that states that the current that flows through a resistor is proportional to the voltage across it. Thus, when a current is applied to the resistor, a voltage-drop is produced across it. By increasing or decreasing the voltage applied to the resistor, the current flowing through it is also regulated.In order to adjust the resistance, the H4237RBDA uses an adjustable resistor element. By changing the resistance level, it is possible to control the current. This is typically done by monitoring a voltage measurement or a temperature measurement across the resistor and adjusting within a given range.The H4237RBDA also has a "fail-safe" function that will protect it from overvoltage and overcurrent conditions. If the resistor senses an overvoltage condition, it will shut down and turn off the circuit, thereby preventing damage. This safety feature makes it suitable for use in many applications where safety is of paramount importance.Overall, the H4237RBDA is a versatile through hole resistor with excellent performance for temperature, frequency and long-term stability. It is well suited for power transmission and distribution, power supply regulation, choice of electrical loads and motor control, high-speed switching circuits, telecommunications and industrial equipment. Its low output noise and good heat dissipation makes it an ideal component for both AC and DC circuits. Its adjustable resistance level allows for precise signal control, making it an excellent choice for super sensitive applications. The built-in safety feature provides a layer of protection in high-risk applications.

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