SI5461EDC-T1-GE3

Vgs(th) (Max) @ Id:	450mV @ 250µA (Min)
Package / Case:	8-SMD, Flat Lead
Supplier Device Package:	1206-8 ChipFET™
Mounting Type:	Surface Mount
Operating Temperature:	-55°C ~ 150°C (TJ)
Power Dissipation (Max):	1.3W (Ta)
FET Feature:	--
Vgs (Max):	±12V
Gate Charge (Qg) (Max) @ Vgs:	20nC @ 4.5V
Series:	--
Rds On (Max) @ Id, Vgs:	45 mOhm @ 5A, 4.5V
Drive Voltage (Max Rds On, Min Rds On):	1.8V, 4.5V
Current - Continuous Drain (Id) @ 25°C:	4.5A (Ta)
Drain to Source Voltage (Vdss):	20V
Technology:	MOSFET (Metal Oxide)
FET Type:	P-Channel
Part Status:	Obsolete
Packaging:	Tape & Reel (TR)

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The SI5461EDC-T1-GE3 is an optically coupled isolator (or optical isolator) made of gallium arsenide and phosphide gallium. The advantages of the optically coupled isolator include the electrical isolation of high-voltage components, low voltage drop, high switching speed and high performance. This article will discuss the application field and working principle of the SI5461EDC-T1-GE3. Application Field The SI5461EDC-T1-GE3 is particularly well suited to applications where electrical isolation is demanded. This is because the device achieves electrical isolation through an optical coupling, meaning the miniscule amount of electric current that can be passed through an optical boundary is between the electrical components. The SI5461EDC-T1-GE3 is mainly used in industrial automation, instrumentation, server and storage systems and medical applications. Working Principle The SI5461EDC-T1-GE3 works on an optically coupled isolation principle. A light source diode reduces the input signal, which is then detected on the receiving side by a photodiode. The output is then augmented through an amplifier. The photo-detection process transforms the electrical signal into an optical signal which is then coupled optically and detected by the receiver. This process works to cut off any electric current that may be passed between the two components; in this way, isolation is achieved. The benefits of the SI5461EDC-T1-GE3 are mainly due to its relatively high switching speed when compared to other existing optical coupling technologies. This is due to the speed at which the signal is detected, as well as its robust transfer mechanisms. The device is also capable of providing a low voltage drop across the isolation boundary, meaning that the circuit design does not suffer unnecessarily from power loss.In conclusion, the SI5461EDC-T1-GE3 is an optically coupled isolator that provides high performance and electrical isolation of components, low voltage drop and high switching speed. The device has a range of applications – mainly in industrial automation, instrumentation, server and storage systems and medical applications – and works on an optically coupled isolation principle. The SI5461EDC-T1-GE3 is a fast and robust device that can provide solutions to numerous areas of engineering.

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