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Xyloid Technologies XTRLY12 Electronic Components Electronic Hobby Kit

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Highlights

Power Source: AC, Battery
RoHS Compliant

Description

A relay is an electrically operated switch. Current flowing through the coil of the relay creates a magnetic field which attracts a lever and changes the switch contacts. The coil current can be on or off so relays have two switch positions.

Specifications

In The Box

5 Relay (12V)

General

Brand	Xyloid Technologies
Model Number	XTRLY12
Type	Electronic Components
Minimum Age	3
ROHS Complaint	Yes
Age Group	12+
Suitable For Gifting	Gift

Dimensions

Width	1 cm
Height	1.7 cm

Power Features

Battery Type	NA
No Of Batteries	NA
Battery Size	NA
Power Source	AC, Battery
Power Consumption	12
Other Power Features	12V Coil resistance: 270Ω Coil Current: 44.4mA Operating Voltage: 8.6 to 21.6V

Additional Features

A relay is an electrically operated switch. Current flowing through the coil of the relay creates a magnetic field which attracts a lever and changes the switch contacts. The coil current can be on or off so relays have two switch positions. The RM0325 have double pole, double throw (changeover) switch contacts. Relays are used where it is necessary to control a circuit by a low-power signal (with complete electrical isolation between control and controlled circuits), or where several circuits must be controlled by one signal Design and Operation:- When an electric current is passed through the coil it generates a magnetic field that activates the armature and the consequent movement of the movable contact either makes or breaks (depending upon construction) a connection with a fixed contact. If the set of contacts was closed when the relay was de-energized, then the movement opens the contacts and breaks the connection, and vice versa if the contacts were open. When the current to the coil is switched off, the armature is returned by a force, approximately half as strong as the magnetic force, to its relaxed position. Usually this force is provided by a spring, but gravity is also used commonly in industrial motor starters. Most relays are manufactured to operate quickly. In a low-voltage application this reduces noise; in a high voltage or current application it reduces arcing. When the coil is energized with direct current, a diode is often placed across the coil to dissipate the energy from the collapsing magnetic field at deactivation, which would otherwise generate a voltage spike dangerous to semiconductor circuit components. Some automotive relays include a diode inside the relay case. Alternatively, a contact protection network consisting of a capacitor and resistor in series (snubber circuit) may absorb the surge. If the coil is designed to be energized with alternating (AC), a small copper "shading ring" can be crimped to the end of the solenoid, creating a small out-of-phase current which increases the minimum pull on the armature during the AC cycle. Features: Max Current: 5A AC/DC (max) Max Voltage: 250V AC/30V DC Nominal Voltage: 12V Coil resistance: 270Ω Coil Current: 44.4mA Operating Voltage: 8.6 to 21.6V.

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