AEV14012W Relays

Series:	AEV
Packaging:	Tray
Lead Free Status / RoHS Status:	--
Part Status:	Active
Moisture Sensitivity Level (MSL):	--
Coil Type:	Non Latching
Coil Current:	353mA
Coil Voltage:	12VDC
Contact Form:	SPST-NO (1 Form A)
Contact Rating (Current):	120A
Switching Voltage:	400VDC - Nom
Turn On Voltage (Max):	9 VDC
Turn Off Voltage (Min):	1 VDC
Operate Time:	50ms
Release Time:	30ms
Features:	--
Mounting Type:	Chassis Mount
Termination Style:	Stud
Operating Temperature:	-40°C ~ 80°C
Contact Material:	--
Coil Power:	4.2 W

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<h2>Automotive Relays</h2><p>An automotive relay is an electromechanical switch that is used in a circuit with a circuit control device. Unlike a fixed bridge connection, the relay can be opened or closed without current flowing through it. Common modern applications for relays are traction control systems, airbag systems, ignition control systems, and fuel system control systems. The AEV14012W is one such relay used in the automotive industry. In this article, we will discuss its application field and working principle.</p><h3>Application field</h3> <p>The AEV14012W is a 4-pole 4-pin relay designed for automotive applications. It is designed for off-board applications and offers a compact footprint. It operates with a coil voltage of 6 to 12 VDC and is capable of switching up to 12 amps. This relay can be used for various automotive applications such as relay control, switch control, signal control, ignition control, and lamp control. Additionally, this device allows the user to control multiple circuits within a single device.</p><h3>Working Principle</h3><p>The AEV14012W operates on a simple principle. When the input voltage is applied to the relay coil, an electromagnet is created. This magnetic field attracts the armature, which is connected to the normally-open (NO) switch. This causes the switch to close and current to flow through the circuit. When the input voltage is removed, the armature is released and the switch is opened, interrupting the current flow.</p><p>The AEV14012W also has a normally-closed (NC) switch that works on the same principle. When the input voltage is applied, the electromagnetic force causes the armature to move away from the switch contacts, interrupting the current flow. When the voltage is removed, the armature returns to its original position and closes the circuit, allowing the current to flow.</p><p>In addition to the NO and NC switches, the AEV14012W also features a "latching" feature, which allows current to be switched on and off without having to manually re-apply or remove the input voltage. To actuate the latching feature, the user simply has to apply and then remove the input voltage. This is a useful feature for applications such as automotive start/stop systems, where the system will need to be activated and deactivated multiple times without manual intervention.</p><h3>Conclusion</h3><p>The AEV14012W is a popular automotive relay that is used in a wide variety of applications. It has a simple yet robust working principle that allows it to switch current on and off reliably. Additionally, the latching capability of the relay makes it ideal for applications where the switching needs to be done multiple times without manual intervention.</p>

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