BFS-1A-12E

Turn Off Voltage (Min):	1 VDC
Coil Resistance:	1.5 kOhms
Coil Power:	96 mW
Contact Material:	Ruthenium (Ru)
Operating Temperature:	-25°C ~ 85°C
Termination Style:	PC Pin
Mounting Type:	Through Hole
Features:	Electrostatic Shield
Release Time:	0.1ms
Operate Time:	0.5ms
Series:	BFS
Turn On Voltage (Max):	9 VDC
Switching Voltage:	200VDC - Max
Contact Rating (Current):	500mA
Contact Form:	SPST-NO (1 Form A)
Coil Voltage:	12VDC
Coil Current:	8.0mA
Coil Type:	Non Latching
Part Status:	Active
Packaging:	Tube

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Introduction to Reed RelaysReed relays are one of the most common types of electromechanical relays used in electronic circuits. As a type of switch, they are capable of providing fast, accurate switching with very low power consumption. They are often used in automation systems, and for controlling switches or other electrical loads. Reed relays are similar to traditional electromechanical relays, but use a reed switch instead of an electromechanical contactor for switching operations. A reed switch is a contact-based switch that is hermetically sealed in a glass tube and acts as a magnetic switch. A reed switch is made by placing two metal reeds in a vacuum tight glass tube and then surrounding the reeds with a magnetic field. When the magnetic field is applied, the reeds move towards one another and are brought into contact. When the field is removed, the reeds return to their original position, disconnecting the contacts.BFS-1A-12E Reed Relay Application Field and Working PrincipleThe BFS-1A-12E reed relay is a low-power switch module with a single-pole double-throw (SPDT) configuration. The switch is sealed inside a reed-glass envelope and utilizes a central armature (magnetic reed). The relay also features a single contact arm with a movable contact head, which is activated when the armature is in a relaxed state. When a DC voltage is applied to the relay, the movement of the armature generates a magnetic field that holds the armature in place and closes the contact. The BFS-1A-12E reed relay is suitable for a wide variety of applications, including switching of power loads, controlling small motors, activating warning alarms, and more. It is especially useful for applications that require highly accurate and fast switching (<100 ms). The reed relay has a very low contact resistance (~20mΩ) and can switch levels up to 250V. Additionally, the relay is very durable and can provide reliable operation for up to 100,000 cycles. When designing a circuit with a BFS-1A-12E relay, it is important to ensure that the power supply can provide sufficient current to trigger the relay. Additionally, the maximum switching frequencies of the relay should be taken into consideration (<50 Hz). ConclusionThe BFS-1A-12E reed relay is a popular and reliable switch suitable for a variety of electronic applications. It offers fast and accurate switching with very low contact resistance, and can handle switching levels up to 250V. Additionally, the relay is very durable and can be used for up to 100,000 cycles. Care should be taken when designing a circuit with a reed relay, including consideration of the necessary power supply and maximum switching frequency.

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