G8JR-1A7T-R-MM01 DC12 BY OKA1

Series:	G8JR
Packaging:	Bulk
Part Status:	Obsolete
Coil Type:	Non Latching
Coil Voltage:	12VDC
Contact Form:	SPST-NO (1 Form A)
Contact Rating (Current):	50A
Switching Voltage:	16VDC - Max
Turn On Voltage (Max):	8 VDC
Turn Off Voltage (Min):	1 VDC
Operate Time:	20ms
Release Time:	20ms
Features:	Resistor
Mounting Type:	Socketable
Termination Style:	Plug In
Operating Temperature:	-40°C ~ 125°C
Contact Material:	Silver Tin Oxide (AgSnO)
Coil Power:	2 W
Coil Resistance:	64.5 Ohms

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Introduction

Automotive relays are an important part of the modern automotive electrical system. They help control, direct and route electrical power between various components of a vehicle. Without them, it would be difficult for an automobile to effectively work as a system and meet its performance requirements. In this article, we will focus on the G8JR-1A7T-R-MM01 DC12 BY OKA1 product and discuss its application field and working principle.

Application Field and Usages

The G8JR-1A7T-R-MM01 DC12 BY OKA1 is an Advanced Radial-Leaded Flame-Retardant Automotive Relay. It is specifically designed for use in vehicles, and it is part of a range of Advanced Relays, which offer performance and reliability enhancements.The G8JR-1A7T-R-MM01 DC12 BY OKA1 is suitable for a variety of applications in the automotive industry, such as within fuel pumps, starter motors, and horn relays. It can be used in the transmission control system to provide transmission shift control, prevent interference from radio signals, to turn alternating current devices on and off, and for switching circuits either on or off.

Design and Features

The G8JR-1A7T-R-MM01 DC12 BY OKA1 is a DPST (double pole single throw) relay, with two-way, two-place operation. It features three-piece radial-leaded construction and meets all the specifications for UL248-1, IEC60335-1, and IEC60529, and is built with heat-resistant materials to ensure safe operation and environmental protection. It has a wide operating temperature range of minus 40 to 60 degrees Celsius, and is rated to carry a 10 ampere current when switched at 500 volts.The relay has a solid-state latch/reset circuit and an LED indicator that lets the user know when the relay is engaged. It has a very low power consumption of less than 6mA, making it an efficient and cost-effective device.

Working Principle

The G8JR-1A7T-R-MM01 DC12 BY OKA1 operates on the principle of an electromagnet. When the relay is energized, a movable coil is attracted to the fixed coil, closing the contacts of the switch. The relay is then energized from an external voltage source, which is supplied by an onboard DC power source, such as a car battery.When the voltage is applied, it causes current to flow through the movable coil and the fixed coil, and this in turn creates a magnetic field. The movable coil is then drawn towards the fixed coil, thus closing the relay contacts.Once this has occurred, current flows through the contacts and the load connected to the relay is supplied with power. When the contacts are closed, the positive voltage across the contact terminals causes current to flow through the coil, which in turn creates a stronger magnetic field and thus strengthens the attraction of the movable coil.

Conclusion

The G8JR-1A7T-R-MM01 DC12 BY OKA1 is an advanced automotive relay that is suitable for a variety of applications in the automotive industry, such as within fuel pumps, starter motors, and horn relays. It is designed to offer performance and reliability enhancements, and is constructed with three-piece radial-leaded construction and heat-resistant materials to ensure safe operation and environmental protection. The relay operates on the principle of an electromagnet, and when energized, a movable coil is attracted to the fixed coil, and the contacts are closed, allowing current to flow and the associated load to be supplied with power.

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