S1-0504D

Turn Off Voltage (Min):	1.25 VDC
Coil Resistance:	180 Ohms
Coil Power:	139 mW
Contact Material:	Rhodium (Rh)
Operating Temperature:	-40°C ~ 85°C
Termination Style:	PC Pin
Mounting Type:	Through Hole
Features:	Diode
Release Time:	0.5ms
Operate Time:	1ms
Series:	S1
Turn On Voltage (Max):	4 VDC
Switching Voltage:	300VAC, 350VDC - Max
Contact Rating (Current):	1A
Contact Form:	SPST-NO (1 Form A)
Coil Voltage:	5VDC
Coil Current:	27.8mA
Coil Type:	Non Latching
Part Status:	Active
Packaging:	Bulk

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Reed Relays

Reed relays are a type of electro-magnetic switch used for telemetry, remote control, computer logic, and electrical protection purposes. The S1-0504D relay is one of the most commonly used models of the reed relay. It is a high quality device designed to provide reliable performance in a variety of applications.

Application Field

The S1-0504D relay can be used in a wide variety of fields. Because of its robust design and switching speed, it can be used in high-frequency, low-noise applications such as audio-recording, signal control, and data transmission. It can also be used in the automotive industry for vehicle control and fuel injection systems. Additionally, it can be used in industrial machinery, process automation, and medical devices.

Working Principle

The S1-0504D reed relay works by using an electromagnetic field generated by a coil to open and close a normally open or normally closed switch. The electromagnetic field causes a reed switch inside the relay to change state, thus controlling the flow of current through a circuit. When power is applied to the coil, it creates a magnetic field which causes the reed switch to close, allowing current to flow. When power is removed from the coil, the magnetic field disappears, and the reed switch opens, preventing current from flowing. Because the switch is hermetically sealed, it is not affected by dust, moisture, or other contaminants that can cause problems with a mechanical switch.

Advantages

The greatest advantage of the S1-0504D reed relay is its long service life and reliable performance. Unlike most other types of relays, a reed relay has virtually no contact bounce or wear-out, which results in a longer service life. Additionally, it has an extremely low actuation voltage, making it suitable for use in high frequency and precision applications. Furthermore, it is easily mounted on a circuit board and is resistant to vibration and mechanical shock.

Disadvantages

The main disadvantage of the S1-0504D reed relay is its limited operating voltage and current capabilities. For applications requiring higher voltages and currents, mechanical relays are often a better choice. Furthermore, reed relays are not suitable for high power switching applications as the switching speed of the relay is slower than that of a mechanical relay. Finally, although the reed relay is hermetically sealed, its contacts may corrode over time, thus limiting its service life.In conclusion, the S1-0504D reed relay is an effective solution for many applications such as signal control, data transmission, and process automation. While it has a number of advantages such as long service life and low actuation voltage, its limited operating voltage and current capabilities may make it less suitable for some applications.

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