DAR71210PU

Series:	DA
Packaging:	Bulk
Part Status:	Active
Coil Type:	Non Latching
Coil Current:	80.0mA
Coil Voltage:	12VDC
Contact Form:	SPST-NO (1 Form A)
Contact Rating (Current):	3A
Switching Voltage:	1000VAC, 1000VDC - Max
Turn On Voltage (Max):	9 VDC
Turn Off Voltage (Min):	1.25 VDC
Operate Time:	3ms
Release Time:	2ms
Features:	--
Mounting Type:	Chassis Mount
Termination Style:	Solder Turret
Operating Temperature:	-20°C ~ 70°C
Contact Material:	Rhodium (Rh)
Coil Power:	--
Coil Resistance:	150 Ohms

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Reed relays are one of many relay types, with a variety of application fields and working principles. The DAR71210PU is a great example of a reed relay. This type of relay utilizes a reed switch, which is a switch activated by a magnetic field. It is made up of two thin metal contacts enclosed in a glass tube, so that when turned on, an electrical current is allowed to flow through them. The main advantage of this type of relay is that it is extremely compact and can be used to switch signals between two systems in a much more efficient way than traditional mechanical relays.The DAR71210PU is typically used in medical and aerospace applications. It is a two-way, single-pole, single-throw (SPST) reed relay. This means that when the switch is on, the current will flow through one electrical contact while the opposite contact will be shut off. This type of relay can be used to control the flow of electricity, typically for controlling the amount of current in a circuit. For example, in a medical application, it can be used to control the flow of power to a device, ensuring that it is only on when necessary.In addition to its use in medical and aerospace applications, the DAR71210PU is also commonly found in switched-mode power supplies (SMPSs). These are devices used to provide clean, consistent power to a wide variety of electronic devices and circuits. The DAR71210PU is used as an electrical switch in these devices, allowing them to adjust their output voltage much more quickly than if it were operated manually. Additionally, this type of relay provides much better protection against voltage spikes and bootstrap currents, as it is able to stop current flow more quickly than a mechanical relay.The working principle of the DAR71210PU is fairly simple. When power is applied, an electromagnet creates a magnetic field that causes the two metal contacts inside the reed switch to move together. This, in turn, allows a current to flow through them, opening a circuit and allowing power to flow. When the power is turned off, the contacts move apart and the current stops flowing, closing the circuit.Overall, the DAR71210PU is a great example of a reed relay, and is used for a wide variety of applications. Its small size and fast reaction time make it ideal for medical and aerospace applications, while its ability to switch quickly makes it perfect for use in SMPSs and other switched-mode power supplies. Its simple operation and ability to provide better protection against voltage spikes make it a popular choice for many applications.

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