EL3051M-V

Current - On State (It (RMS)) (Max):	100mA
Approvals:	CSA, DEMKO, FIMKO, NEMKO, SEMKO, UL, VDE
Supplier Device Package:	6-DIP
Package / Case:	6-DIP (0.400", 10.16mm)
Mounting Type:	Through Hole
Operating Temperature:	-55°C ~ 100°C
Current - DC Forward (If) (Max):	60mA
Voltage - Forward (Vf) (Typ):	1.18V
Turn On Time:	--
Current - Hold (Ih):	250µA (Typ)
Series:	--
Current - LED Trigger (Ift) (Max):	15mA
Static dV/dt (Min):	1kV/µs
Voltage - Off State:	600V
Voltage - Isolation:	5000Vrms
Number of Channels:	1
Zero Crossing Circuit:	No
Output Type:	Triac
Part Status:	Active
Packaging:	Tube

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EL3051M-V Application Field and Working Principle Optoisolators are components that are widely applied in electrical systems for isolation. They are composed of LED light emitting element and photodetecting element, which are isolated from each other on the manufacturing and structure level. These small components are designed with high level of isolation, robustness, and long-term stability, which is fundamental for equipment safety and reliability. EL3051M-V is a member of the optoisolator family, which features Triac, SCR output. In this perspetive, this article aims to discuss the application fields of EL3051M-V as well as its underlying working principle.Specifically, EL3051M-V is widely used in applications that require high-current ac control capability, such as dimmers, ac motor speed controls, household appliances, and industrial controls. Moreover, it is an ideal device for applications which involve controlling triacs, such as relays, motors, and solenoids. It provides protection for both the components in the control circuit and the total system, which is due to the high isolation voltage and its ability to detect leakage current.In addition, EL3051M-V comes with a compact package that is suitable for surface mounting with an operating temperature range of -55°C to +105°C; it is compact due to its highly integrated construction. Its photocoupler consists of a gallium arsenide infrared emitting diode and a silicon phototransistor, which provide an high degree of isolation between the input and output and are mounted in a 4-pin dualinline plastic package.The working principle of EL3051M-V is simple and straightforward. Its internal structure consists of an infrared diode part and an optoelectronic part. The diode part of the optocoupler is often referred to as the emitter or transmitter and the photodetecting part is often referred to as the receiver or detector. When a current flows through the diode part, energy is emitted and directed to the photodetecting part, which causes the phototransistor to turn on and transmit a current across the two isolated circuits, thus controlling the output of the controlled load.In conclusion, EL3051M-V is a well-known optoisolator that is used in a variety of applications. It features Triac, SCR output, thermal stability, silicon of high quality, and an extremely reliable internal structure. The EL3051M-V works by using a current-driven LED that transmits an infrared signal onto a phototransistor, enabling it to deliver a reliable control signal between two circuits that are isolated from each other.

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