PR49MF11NSZF

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Optoisolators, commonly referred to as Opto-Couplers or Optical Couplers, are a widely used device that provides galvanic isolation between two electrical circuits. They achieve this by using a solid-state light source such as an LED and a detector such as an amplifier, an opto-TRIAC or a photo-SCR. The PR49MF11NSZF is an optoisolator from Lite-On Semiconductor that belongs to the Triac, SCR Output category.

The PR49MF11NSZF is a small, 4 pin DIP (dual in-line package) designed for 636 Vrms rated isolation. It is UL approved with a maximum operating temperature of 85°C making it suitable for a wide range of applications, such as in industrial control systems, medical equipment and other consumer electronics. It is also RoHS compliant, passed UL1577 and IEC60950-1 immunity tests, and is PS-1 compliant.

The PR49MF11NSZF provides up to 8kVrms high input-to-output safety isolation and requires an input of 1.6 to 5mA to drive the output. The main features of this device include total isolation of AC or DC voltages between the input and output, a minimum pulse width of 1mS, a maximum output conduction angle of 18° and switching frequency up to 5kHz.

The working principle behind the PR49MF11NSZF optoisolator is that when a voltage is applied to the input, it causes the LED to illuminate, emitting light. This light is then detected by the silicon photo-SCR detector, causing it to turn on the load. If the input voltage exceeds the maximum rating, the LED will shut off, thereby preventing the current from flowing.

The PR49MF11NSZF optoisolator is used in various applications, such as motor control, electrical systems and AC power control. It can provide a fast switching speed and low on-state losses. The optoisolator can also be used in applications that require long-term noise isolation, temperature stability and high voltage protection.

In summary, the PR49MF11NSZF optoisolator is a robust device designed for a wide range of applications, providing high input-to-output isolation and switching speed up to 5kHz. It has several advantages over other optoisolators in the market, such as a low operating current, high voltage protection, temperature stability and long-term noise isolation.

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