4N29S(TA)

Optoisolators, which are also commonly known as optical couplers, are used in electronic circuits in order to isolate two circuits electrically while allowing them to communicate optically. They have been in use since the early 1960s and there are several types of optoisolators available, such as transistor, photovoltaic output, etc. In this article, we will discuss the application field and working principle of the particular type of optoisolator known as a 4N29S (TA) optoisolator.4N29S (TA) optoisolators are typically used in industrial applications such as motor control, relay control, and temperature monitoring. They can be used for both AC and DC voltage control signals. They are also used in telemetry and multiplex communication systems as well as in automatic testing equipment. The 4N29S (TA) optoisolator features a high voltage threshold, high insulation-resistance, and high current gain. The 4N29S (TA) optoisolator is composed of two parts –an LED (light emitting diode) and an NPN Darlington transistor. The optical and electrical isolation comes from the fact that the two elements are insulated from one another. The working principle of the 4N29S (TA) optoisolator is as follows. The LED is illuminated whenever a control voltage is applied to its anode. This results in the emission of light, which in turn passes through a translucent barrier before entering the base of the Darlington transistor. This action results in the current flowing into the transistor, thereby increasing the collector-emitter current of the Darlington transistor. The voltage gain of the 4N29S (TA) optoisolator is typically more than 150 in the on-state, making it ideal for use in motor, relay, and temperature control applications. The 4N29S (TA) optoisolator also features a high isolation resistance, which helps to improve the noise immunity of the circuit. The high insulation resistance also helps to protect the contacts from arcing. Moreover, the 4N29S (TA) optoisolator is highly reliable, making it ideal for use in critical applications.In conclusion, the 4N29S (TA) optoisolator is a common type of optoisolator that is used in industrial applications, such as motor control, relay control, and temperature monitoring. It is composed of a light emitting diode and a NPN Darlington transistor, which are electrically insulated, resulting in optical and electrical isolation of the two circuits. The 4N29S (TA) optoisolator features a high voltage threshold, a high current gain, and a high isolation resistance, making it ideal for a wide range of applications.

4N29SR2M	ON Semicondu...	0.22 $	1000	OPTOISO 4.17KV DARL W/BAS...
4N29TVM	ON Semicondu...	0.0 $	1000	OPTOISO 4.17KV TRANS W/BA...
4N29TM	ON Semicondu...	0.0 $	1000	OPTOISO 4.17KV TRANS W/BA...
4N29S1(TA)	Everlight El...	0.11 $	1000	OPTOISO 5KV DARL W/BASE 6...
4N29S1(TA)-V	Everlight El...	0.11 $	1000	OPTOISO 5KV DARL W/BASE 6...
4N29S1(TB)	Everlight El...	0.11 $	1000	OPTOISO 5KV DARL W/BASE 6...
4N29S1(TB)-V	Everlight El...	0.11 $	1000	OPTOISO 5KV DARL W/BASE 6...
4N29S(TA)	Everlight El...	0.11 $	1000	OPTOISO 5KV DARL W/BASE 6...
4N29S(TA)-V	Everlight El...	0.11 $	1000	OPTOISO 5KV DARL W/BASE 6...
4N29S(TB)	Everlight El...	0.11 $	1000	OPTOISO 5KV DARL W/BASE 6...
4N29S(TB)-V	Everlight El...	0.11 $	1000	OPTOISO 5KV DARL W/BASE 6...
4N29M	Everlight El...	--	1000	OPTOISO 5KV DARL W/BASE 6...
4N29	Everlight El...	--	1000	OPTOISO 5KV DARL W/BASE 6...
4N29-V	Everlight El...	0.12 $	1000	OPTOISO 5KV DARL W/BASE 6...
4N29M-V	Everlight El...	0.12 $	1000	OPTOISO 5KV DARL W/BASE 6...
4N29300	ON Semicondu...	0.0 $	1000	OPTOISO 5.3KV DARL W/BASE...
4N29300W	ON Semicondu...	0.0 $	1000	OPTOISO 5.3KV DARL W/BASE...
4N293S	ON Semicondu...	0.0 $	1000	OPTOISO 5.3KV DARL W/BASE...
4N293SD	ON Semicondu...	0.0 $	1000	OPTOISO 5.3KV DARL W/BASE...
4N29S	ON Semicondu...	0.0 $	1000	OPTOISO 5.3KV DARL W/BASE...
4N29SD	ON Semicondu...	--	1000	OPTOISO 5.3KV DARL W/BASE...
4N29W	ON Semicondu...	0.0 $	1000	OPTOISO 5.3KV DARL W/BASE...
4N29SM	ON Semicondu...	0.55 $	2120	OPTOISO 4.17KV DARL W/BAS...