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Package Size: 6 x 4.1 x 1.9 inches
This Omron Y92B-A150N surface mount heat sink is a natural convection heat exchanger for cooling a relay by dissipating heat into the air. It is made of aluminum for high thermal conductivity, with vertical fins for efficient dissipation of heat. It has a thermal resistance of 1.37 degrees C per watt (C/W) and is suitable for 20 to 40 amp loads. This standard-mounting heat sink has three M4 holes for attaching a relay and is suitable for use with Omron's G3NA-240B, G3NA-440B, G3NA-225B and G3NA-425B general purpose solid state relays used in industrial controls and commercial cooking applications.
|Associated relay series||Omron G3NA|
|Thermal resistance||1.37 C/W|
|Enclosure dimensions*||100 x 150 x 90 mm (H x W x D)|
*H is height, the vertical distance from the lowest to highest point; W is width, the horizontal distance from left to right; D is depth, the horizontal distance from front to back.
Relay switches (also called an electrical relay or an electrical relay switch) use a small amount of power to control a larger source of power connected to electrical devices such as car motors, computers, and lighting installations. A basic relay switch has a control circuit with an electromagnetic coil and a load circuit with contacts and a lever. When current flows into the relay switch, it moves through the coil and a magnetic field is created, which causes the lever in the load circuit to move between contacts, either turning the device on or off. In a normally open (NO) relay switch, when power is supplied to the relay, the load circuit is closed and the power source connected to the relay is turned on. In a normally closed (NC) relay switch, when power is supplied to the relay, the load circuit is open and the power source connected to the relay is turned off. In other types of relay switches, non-moving parts such as transistors or semiconductors can be used as the control circuit to operate the switching mechanism. Relay switches can be controlled with an external switch, such as a light switch, or they can be connected to an automatically switched power source, such as a car ignition. One relay can operate multiple switches, and multiple relays can be operated with a single switch, with each relay operating independently from the other relays in the system.
Omron manufactures and distributes electronic components, equipment, and systems for industrial automation. The company, founded in 1933, is headquartered in Kyoto, Japan.
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