1904001-4

Turn Off Voltage (Min):	1 VDC
Coil Resistance:	130 Ohms
Coil Power:	4.4 W
Contact Material:	Silver Alloy
Operating Temperature:	-40°C ~ 125°C
Termination Style:	Screw Terminal
Mounting Type:	Chassis Mount
Features:	--
Release Time:	2ms
Operate Time:	7ms
Series:	HCR 75
Turn On Voltage (Max):	19 VDC
Switching Voltage:	24VDC - Nom
Contact Rating (Current):	30A
Contact Form:	SPST-NO (1 Form A)
Coil Voltage:	24VDC
Coil Type:	Non Latching
Part Status:	Obsolete
Packaging:	Bulk

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Introduction: Automotive relays are used to trigger electrical devices in cars, to control cars’ electrical systems and reduce their energy consumption. The 1904001-4 Automotive Relay is one such component that is widely used in a variety of automotive applications. This article explores the application fields and working principle of the 1904001-4 Automotive Relay.Application Fields of 1904001-4 Automotive Relays: The 1904001-4 Automotive Relay is a versatile and dependable device that can be used in a variety of automotive applications. The range of applications it can be used for is very wide, and includes controlling engine ignition, starting systems, power windows, fuel injection systems, audio systems, and even air conditioning systems.The 1904001-4 Automotive Relay is also used in automotive lighting systems. It is used to control the headlights, fog lights, stop lights, reversing lights, hazard lights and warning indicators. These relays ensure that these lights respond rapidly to ensure the safety of the vehicle’s occupants and other motorists.In addition, the 1904001-4 Automotive Relay is a popular component for controlling fan motors. It can be used to regulate the temperatures of engines and A/C systems, as well as to help extend the life of electrical equipment.Furthermore, the 1904001-4 Automotive Relay is ideal for use in the starting and charging systems of automobiles. It is reliable in triggering the starter motor, and it can also be used in controlling the charging system of the vehicle, thus further extending its life.Working Principle of 1904001-4 Automotive Relays: The 1904001-4 Automotive Relay is a special type of relay that operates on a low-voltage current. The two main components of the relay are a coil and a set of contacts. When voltage is applied to the coil, it creates a magnetic field, which attracts the contacts and completes the circuit.The 1904001-4 Automotive Relay is triggered by a voltage or current signal and then transfers the energy to the desired electrical apparatus. When the voltage is applied, the coil creates a magnetic field which attracts the contact arm and causes an electrical circuit to be completed.When the voltage is removed, the coil is no longer energized, and the contact arm returns to its original position, breaking the circuit and stopping the flow of electricity. This is the basic principle behind the operation of most automotive relays.Conclusion: The 1904001-4 Automotive Relay is a reliable and versatile component that can be used in a variety of automotive applications. It has a wide range of applications, including controlling engine ignition, starting and charging systems, fuel injection systems, cooling fan motors, air conditioning systems, and automotive lighting systems.The working principle behind the 1904001-4 Automotive Relay is simple: when electricity is applied to the coil, it creates a magnetic field, which attracts the contact arm and allows the flow of electricity. When the voltage is removed, the contact arm returns to its original position, breaking the circuit and stopping the flow of electricity.Relays are essential components in automotive systems, and the 1904001-4 Automotive Relay is one of the most popular and reliable options. It is highly dependable, easy to use, and a cost-effective solution for controlling a variety of automotive applications.

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