VF7-11H11

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Automotive relays are electrical components used in automotive applications. They are designed to control a circuit automatically by switching it on and off in response to an input signal. The VF7-11H11 automotive relay is one such component, designed to be highly reliable, long-life, and to provide maximum switching current capacity. In this article, we\'ll take a look at the application field and working principle of this particular automotive relay.

The VF7-11H11 automotive relay is designed for use in applications such as lighting, door locks, and radios. It is capable of high switching capacity (up to 11 A at 12 V DC) and has temperature compensated operating characteristics. It is protected by cover protection against dust and water ingress, with standard 500 cycle bell vibration testing. It is also designed to be resistant to mechanical shock and electrical transients.

The VF7-11H11 automotive relay is a single-pole double-throw (SPDT) device. It has five terminals: one for the coil, two for each of the two switches, and one common terminal. The coil of the relay is typically operated with a voltage of 12V, and is surrounded by a ferromagnetic core which functions to create a magnetic field when current is applied. This magnetic field applies a mechanical force on the armature, which in turn moves the switch contacts and completes an electrical circuit, turning on/off the relay.

The armature is held in its normal position by a spring force, so when the coil is energised, the armature moves and the contacts close. When the coil is de-energised, the spring forces the armature back to its original position, opening the contacts again. This is how the relay switches an electrical circuit on and off in response to the input signal.

The VF7-11H11 automotive relay provides reliable operation in tough conditions. It offers high switching capacity, a wide operating temperature range, and is sealed against dust and water ingress. Its high current capacity makes it suitable for applications such as lighting, radio, and door locks. It is designed to resist shocks and electrical transients, ensuring a long, reliable service life.

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