PC123X2YIP1B

Series:	--
Part Status:	Discontinued at Digi-Key
Number of Channels:	1
Voltage - Isolation:	5000Vrms
Current Transfer Ratio (Min):	--
Current Transfer Ratio (Max):	--
Turn On / Turn Off Time (Typ):	--
Rise / Fall Time (Typ):	4µs, 3µs
Input Type:	DC
Output Type:	Transistor
Voltage - Output (Max):	70V
Current - Output / Channel:	50mA
Voltage - Forward (Vf) (Typ):	1.2V
Current - DC Forward (If) (Max):	50mA
Vce Saturation (Max):	200mV
Operating Temperature:	-30°C ~ 100°C

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Optoisolators - Transistor, Photovoltaic Output

Optoisolators are electronic components that use light to isolate electrical circuits. They are used to prevent electrical noise from interfering with sensitive signals or to provide voltage isolation between two circuits. The PC123X2YIP1B is a type of optoisolator in the transistor, photovoltaic output category. The optoisolator has four pins - input, output, power, and ground - and works by using an LED to create an optical signal that will be converted into electrical energy by a photodetector. The signal from the LED is modulated by the input signal, and the resulting electrical energy is converted by the photodetector into a voltage that is applied to the output pin. This voltage is then used to control the state of the output transistor, which is isolated from the electrical input.Generally, optoisolators are used to provide electrical safety to a circuit, preventing dangerous voltages or currents from reaching the user or control circuitry. They are also used to prevent transient signals from entering into circuits that require consistent performance. The PC123X2YIP1B can be used in a variety of applications, such as automotive and industrial control systems, power supplies, and audio systems.The PC123X2YIP1B has a few advantages over other optoisolators due to its transistor output device. This type of optoisolator can provide higher current outputs compared to other photovoltaic outputs. It also has faster switching times and higher switching speeds, so it can be used in applications that require rapid response or fast switching. Additionally, the PC123X2YIP1B offers enhanced noise immunity since it is less susceptible to external electromagnetic interference. There are several parameters the buyer must consider when selecting an optoisolator, such as input-output isolation voltage, response time, operating temperature, switching power, and peak current rating. The PC123X2YIP1B has a typical isolation voltage of 650VRMS, a response time of 1µs, an operating temperature range of –40°C to +100°C, a switching power of 30mW, and a peak current rating of 1A. The user should also consider its package, which in this case is an 8-pin dual inline package.Despite the advantages of the PC123X2YIP1B optoisolator, it is not suitable for all applications. For instance, it should not be used near high-frequency or high-power signals, as they may saturate the photodetector or damage the transistor. It also should not be used in applications that rely on a steady optical signal, as the photodetector may be affected by ambient light levels. In conclusion, the PC123X2YIP1B is a useful optoisolator component, due to its fast switching times and higher current output. However, the user needs to choose it carefully, based on its operating temperatures, peak current ratings, and other parameters. The PC123X2YIP1B can be used in a wide range of applications, as long as it is kept away from high-frequency signals and steady optical sources.

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