7141-24-1100

Turn Off Voltage (Min):	2 VDC
Coil Resistance:	4.2 kOhms
Coil Power:	--
Contact Material:	--
Operating Temperature:	-20°C ~ 85°C
Termination Style:	PC Pin
Mounting Type:	Through Hole
Features:	--
Release Time:	2.5ms
Operate Time:	2ms
Series:	7000
Turn On Voltage (Max):	18 VDC
Switching Voltage:	150VAC, 150VDC - Max
Contact Rating (Current):	250mA
Contact Form:	SPDT (1 Form C)
Coil Voltage:	24VDC
Coil Current:	5.7mA
Coil Type:	Non Latching
Part Status:	Active
Packaging:	Tube

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Reed Relays

Reed relays, invented by W.O. Reed in the 1920s, are one of the most popular, versatile, and cost-effective types of relays available today. They are used in a wide variety of applications, including industrial, automobile, avionics, medical, and military applications. The 7141-24-1100 reed relay is a general-purpose single-pole double-throw (SPDT) reed relay with a wide range of current ratings.

Applications

The 7141-24-1100 reed relay is a popular choice for many applications due to its small size, low cost, and high current rating. It can be used as a relay switch, timer, or control circuit. It is commonly used for switching large loads, providing time delays, controlling electrical signals in industrial and automotive applications, and controlling analog signals in medical and avionics applications.

Construction

The 7141-24-1100 reed relay consists of an electromagnet, a pair of reed switches, and a coil of fine copper wire. The electromagnet consists of a small permanent magnet enclosed in a metal case. The reed switches consist of two metal contacts, which when energized by the magnetic field of the electromagnet, close to complete a circuit. The coil of copper wire is connected to the electromagnet and provides the electrical current required to energize the reed switches.

Working Principle

The 7141-24-1100 reed relay works on the principle of magnetism. When a current is passed through the coil of wire, it produces a magnetic field which acts on the reed switches. This causes the switches to close, completing the circuit. The current can then be switched off, which causes the magnetic field to dissipate, allowing the reed switches to open and break the circuit. This allows the relay to be either switched on or off with a single electrical signal.

Advantages

The 7141-24-1100 reed relay has many advantages over other types of relays. Compared to more traditional electromagnetic coils, reed relays are more reliable and have a much longer life span. They are also more reliable than solid-state relays, are smaller and lighter in weight, and are significantly cheaper. In addition, the 7141-24-1100 reed relay has a high current rating, which makes it ideally suited for applications with larger loads.

Disadvantages

The 7141-24-1100 reed relay has some notable disadvantages. The switching speed of reed relays is significantly slower than other types of relays, which can be a problem for certain applications. They also have a limited voltage range, so they cannot be used in higher voltage applications. Furthermore, the contacts of reed relays can become contaminated with dirt or debris, which can prevent them from functioning correctly.

Conclusion

The 7141-24-1100 reed relay is a popular, versatile, and cost-effective type of relay. It can be used in a wide variety of applications, such as industrial, automotive, avionics, and medical applications. It has a wide range of current ratings, is smaller and lighter than other types of relays, and is significantly cheaper. However, it has slower switching speeds and a limited voltage range, and its contacts can be contaminated.

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