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MOC3051 IC – FSC Optocoupler Triac-out IC

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₹46.00 (excluding 18% GST)

25 In stock

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Description

The MOC3051 consists of an infrared LED optically coupled to a photodiode that drives a triac. When the LED is activated by an input signal, it emits infrared light, which is detected by the photodiode. This triggers the triac, enabling the control of AC loads without a direct electrical connection between the control and load circuits. Unlike some other optocouplers, the MOC3051 does not feature zero-crossing detection, making it suitable for random-phase triggering, which is useful in applications requiring phase-angle control.

Features

  • Random-Phase Triggering: The MOC3051 allows for random-phase triggering, meaning it can trigger the triac at any point in the AC waveform, enabling phase-angle control for applications like dimming and motor speed control.
  • High Isolation Voltage: Provides electrical isolation of up to 7500 Vrms between the input and output sides, ensuring safe operation in high-voltage environments.
  • Low Input Trigger Current: The LED can be driven with relatively low input current, making the IC compatible with low-power control circuits such as microcontrollers.
  • Compact DIP Package: Available in a 6-pin Dual Inline Package (DIP), which is easy to integrate into various circuit designs.
  • High dv/dt Immunity: Designed to handle high rates of voltage change (dv/dt) without false triggering, ensuring reliable operation even in electrically noisy environments.

Specifications

  • Input Type: Infrared LED
  • Output Type: Photodiode driving a triac
  • Isolation Voltage: 7500 Vrms (minimum)
  • LED Trigger Current: 10mA (maximum)
  • Peak Repetitive Off-State Voltage (VDRM): 600V
  • On-State Current (IT): 100mA (maximum)
  • Critical Rate of Rise of Off-State Voltage (dv/dt): 10,000 V/μs
  • Package: 6-pin Dual Inline Package (DIP)
  • Operating Temperature Range: -40°C to +85°C

Applications

  • AC Power Switching: Used to control AC loads such as lighting, motors, and heating elements in both industrial and consumer electronics.
  • Solid-State Relays (SSRs): Key component in solid-state relays, offering faster and more reliable switching compared to mechanical relays.
  • Phase-Angle Control Circuits: Employed in applications requiring precise control of the power delivered to AC loads, such as light dimming and motor speed control.
  • Motor Speed Control: Used in circuits designed to control the speed of AC motors, offering smooth and efficient operation.
  • Home Automation: Integrated into smart home systems for controlling various household appliances and lighting with safety and precision.

Note

* Product Images are shown for illustrative purposes only and may differ from actual product

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