BFM-1A-05

Turn Off Voltage (Min):	0.4 VDC
Coil Resistance:	370 Ohms
Coil Power:	68 mW
Contact Material:	Ruthenium (Ru)
Operating Temperature:	-25°C ~ 85°C
Termination Style:	PC Pin
Mounting Type:	Through Hole
Features:	--
Release Time:	0.1ms
Operate Time:	0.5ms
Series:	BFM
Turn On Voltage (Max):	3.8 VDC
Switching Voltage:	200VDC - Max
Contact Rating (Current):	500mA
Contact Form:	SPST-NO (1 Form A)
Coil Voltage:	5VDC
Coil Current:	13.5mA
Coil Type:	Non Latching
Part Status:	Active
Packaging:	Tube

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Introduction to Reed Relays and their Application FieldReed relays are electromechanical relays that use contactless switch technology. As opposed to conventional mechanical relays that use a physical contact between two electrical terminals, reed relays use an electromagnet to attract a membrane onto two electrical contacts, thus allowing a flow of electric current. They offer superior performance over other types of contactless relays due to their small size, extremely low power consumption, minimal contact spring and wiring complexity. In addition, they also have an extremely high switching speed that eliminates the need for large signal delays, thus resulting in a higher reliability of the circuit.The application field of reed relays is quite vast and spans across a variety of industries. The most common applications of these relays include medical equipment, cell phone components, consumer electronic devices, motor and HVAC controls, as well as home appliances. Thanks to its high switching speed, reed relays have also proved their usefulness in telecommunications applications, military purposes, automotive systems, banking/financial applications, and aerospace technologies.BFM-1A-05 Reel Relay: Working Principle and Related ApplicationsThe BFM-1A-05 reel relay is a small, yet powerful contactless switch, capable of switching currents up to 5 amps and voltages up to 250V AC/DC (125V AC/DC if shielded). It has a normally closed contact that is held open when the coil of the relay is energized. The relay is designed as a two-contact form C (normally closed/normally open) contact station and features an internal electromagnet which attracts the contacts when the coil is energized.In terms of practical usage, the BFM-1A-05 reel relay is typically used in applications such as:

• AC/DC Load Control
• Control of Relays, Timers and Contactors
• Motor Control
• Switch/Gate Control
• Digital Control Applications

The reliability of the BFM-1A-05 reel relay is proven by its capacity of controlling heavy loads with long usage periods due to its small size and energy efficiency. In addition, its long switching life means that it can be used for extended periods of time without the need for frequent maintenance.Another aspect that makes BFM-1A-05 relays stand out amongst other relays is their ability to handle high-noise applications. Thanks to a special shielding construction, the relay is capable of suppressing any EMI or RF noise that might affect its performance.ConclusionReed relays are indispensable components of a wide range of electronics. Thanks to their small size, incredibly low power consumption, and extremely high switching speed, these contactless switches are used in a variety of industries and applications.The BFM-1A-05 reel relay is among the most renowned relays of its type. This mini-contactless switch is specialized forhigh current/voltage, heavy load, long-life, and high-noise environments. It is used mainly for applications like AC/DC load control, motor control, and digital control. With its superior reliability, the BFM-1A-05 reel relay is an important component for a variety of electronics.

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