8L01-24-111

Series:	8L
Packaging:	Tube
Part Status:	Active
Coil Type:	Non Latching
Coil Current:	11.0mA
Coil Voltage:	24VDC
Contact Form:	SPST-NO (1 Form A)
Contact Rating (Current):	500mA
Switching Voltage:	200VAC, 200VDC - Max
Turn On Voltage (Max):	19.2 VDC
Turn Off Voltage (Min):	2 VDC
Operate Time:	0.5ms
Release Time:	1ms
Features:	Diode, Electrostatic Shield
Mounting Type:	Through Hole
Termination Style:	PC Pin
Operating Temperature:	-20°C ~ 85°C
Contact Material:	--
Coil Power:	--
Coil Resistance:	2.15 kOhms

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Introduction to Reed Relays

Reed relays are electrical switches that use an electromagnetic solenoid in order to open and close an electrical circuit. They are made of a long coil of wire, typically copper, that is wrapped around a ferromagnetic core and suspended in a gas-filled envelope. The coil is magnetically energized when a direct current is applied and anticipates the coil. The energized coil creates a magnetic field which attracts a spring-loaded armature, thereby operating the contacts that are connected to the armature on the pole of the coil. Reed relays have several advantages over other forms of relays. They are much smaller and lighter than other forms of relays and have very low power requirements, making them ideal for applications such as communications and instrumentation that require a low profile. Reed relays are also faster and more reliable than other relays due to the lack of mechanical parts compared to other designs. Furthermore, they use low operating voltages, typically 12VDC, which make them ideal for use in consumer electronics.

8L01-24-111 Application Field and Working Principle

The 8L01-24-111 reed relay is a single-pole-double-throw (SPDT) latching type reed relay. It is designed to switch between two normally open contacts. This type of reed relay is particularly suitable for high frequency switching applications such as portable gadget circuits, laptop computers and modems. The 8L01-24-111 has a 24V DC operating range and is rated for 1A switching. The working principle of the 8L01-24-111 relies on the energizing of its internal coil. When the coil is energized, a magnetic field is generated that attracts the armature to one pole of the coil. This actuates the contacts connected to the armature and the contacts are then mechanically latched to their respective poles. When the coil is no longer energized, the contacts then return to their original positions due to the armature’s spring force. The 8L01-24-111 is ideal for applications requiring a low profile, small size, low power, and reliable operation at high frequencies. It is widely used in medical instruments, automotive electronics, and telecommunication equipment. This type of reed relay can be used to switch power on and off, as well as to control motor start and stop sequences. It is also suited for circuit protection and circuit isolation.

Conclusion

Reed relays offer a cost-effective solution in applications where low power and high speed operation are required. The 8L01-24-111 reed relay is a SPDT latching type relay and is suitable for use in consumer electronics, automotive electronics, medical instrumentation, and telecommunication equipment. Its low-profile, small size, low power, and reliable operation at high frequencies, make it ideal for these applications.

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