EL3H7(H)-G

Series:	--
Packaging:	Tube
Part Status:	Active
Number of Channels:	1
Voltage - Isolation:	3750Vrms
Current Transfer Ratio (Min):	40% @ 10mA
Current Transfer Ratio (Max):	80% @ 10mA
Turn On / Turn Off Time (Typ):	--
Rise / Fall Time (Typ):	5µs, 3µs
Input Type:	DC
Output Type:	Transistor
Voltage - Output (Max):	80V
Current - Output / Channel:	50mA
Voltage - Forward (Vf) (Typ):	1.2V
Current - DC Forward (If) (Max):	50mA
Vce Saturation (Max):	200mV
Operating Temperature:	-55°C ~ 110°C
Mounting Type:	Surface Mount
Package / Case:	4-SOIC (0.173", 4.40mm Width)
Supplier Device Package:	4-SSOP

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Optoisolators - Transistor, Photovoltaic Output

Optoisolators or 4N29s are isolators in which the output is electrically isolated from the input. This isolation helps to provide protection, particularly against long-term effects of electrical noise and interference. The EL3H7(H)-G optoisolator is one such type of isolator, with an output transistor functioning directly from a photo-voltaic device.

EL3H7(H)-G Specifications, Application Field, and Working Principle

The EL3H7(H)-G is a four-pin optoisolator, constructed of black plastic, and provides isolation up to 2500V RMS. It has a low trigger voltage, making it suitable for use with low level signal inputs. The EL3H7(H)-G has a leakage current under 1µA, and a maximum operating temperature of 70℃. The EL3H7(H)-G has a wide range of applications, including: low current switching, TTL/CMOS logic isolators, computer peripheral isolation, solid state relay inputs, and industrial controls. It is most commonly used in situations in which it is necessary to provide electrical isolation between the input and output circuits, such as in a safety circuit or data transmission application.The working principle of the EL3H7(H)-G is that when the trigger voltage is applied to the input terminal, it causes the photo-voltaic device to generate a current which is directed to the output transistor. Depending on the amount of current produced, the output transistor is turned on or off. This allows the input signal to be isolated from the output, thereby providing protection from the input signal.

Conclusion

The EL3H7(H)-G optoisolator is a reliable and cost-effective isolator, suitable for use in a wide range of applications. Its low trigger voltage and high isolation voltage allow it to be used in a variety of safety and data transmission applications. The working principle of the optoisolator is based on the photo-voltaic device, which produces a current which is directed to the output transistor depending on the level of the trigger voltage. With its proven reliability and versatility, the EL3H7(H)-G is an excellent choice for any application requiring an effective electrical isolation solution.

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