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MOC3041 TRIAC Driven Optocoupler: Datasheet, Application Circuit, Pinout

ON SEMICONDUCTOR - MOC3041M - Optocoupler, DIP, 6 Pins, 7.5 kV, Zero Crossing, 400 V The MOC3041 is a Zero-Crossing TRIAC driven Optocoupler. This article will unlock more details about MOC3041. There is a huge range of Semiconductors, Capacitors, Resistors and ICs in stock. Welcome RFQ.

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Sep 28, 2021

Perry Rose

Opto Isolator Circuit Interface to TRIAC | Sensor based Projects

 

ON SEMICONDUCTOR - MOC3041M - Optocoupler, DIP, 6 Pins, 7.5 kV, Zero Crossing, 400 V

The MOC3041 is a Zero-Crossing TRIAC driven Optocoupler. This article will unlock more details about MOC3041. There is a huge range of Semiconductors, Capacitors, Resistors and ICs in stock. Welcome RFQ.

MOC3041M

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MOC3041 Pinout

MOC3041 Pinout

 

Pin Number Pin Name Description
1 Anode   (A) Anode pin of the IR LED. Connected to the logic input
2 Cathode   (C) Cathode   pin of the IR LED
3 NC No   Connection - Cannot be used
4 Triac   Main Terminal 1 One   end of the Triac which is present inside the IC
5 NC No   Connection – Cannot be used
6 Triac   Main Terminal 2 Another end of the Triac which is present inside the IC

MOC3041 CAD Model

MOC3041 Symbol

 

MOC3041 Footprint

 

MOC3041 3D Model

MOC3041 Description

The MOC3041 is a TRIAC-driven Optocoupler with a Zero-Crossing configuration. It contains a TRIAC and an infrared light-emitting diode (LED). The TRIAC is also switched on when the LED is triggered.

A MOC3041 Optoisolator is typically used to control another external switching device like as a TRIAC, MOSFET, or SCR, which controls an AC or DC load. The MOC3041's TRIAC can deliver up to 1A peak current, which is sufficient to activate an external switch. Without an external switch, the TRIAC should not be utilized to switch loads.

Specifications

ON Semiconductor MOC3041M technical specifications, attributes, parameters and parts with similar specifications to ON Semiconductor MOC3041M.

MOC3041M Tech Specifications

ON Semiconductor MOC3041M technical specifications, attributes, parameters and parts with similar specifications to ON Semiconductor MOC3041M.

Product Attribute Attribute Value
Lifecycle StatusACTIVE (Last Updated: 3 days ago)
Factory Lead Time5 Weeks
MountThrough Hole
Mounting TypeThrough Hole
Package / Case6-DIP (0.300, 7.62mm)
Number of Pins6Pins
Weight855mg
Current-Hold(Ih)400μA Typ
Current-LED Trigger(Ift)(Max)15mA
Number of Elements1 Element
Zero-Crossing CircuitYes
Operating Temperature-40°C~85°C
PackagingTube
Published2008
JESD-609 Codee3
Pbfree Codeyes
Part StatusActive
Product Attribute Attribute Value
Moisture Sensitivity Level (MSL)1 (Unlimited)
ECCN CodeEAR99
Terminal FinishTin (Sn)
Max Power Dissipation250mW
Approval AgencyUL
Voltage - Isolation4170Vrms
Output Voltage400V
Output TypeTriac
ConfigurationSINGLE
Number of Channels1Channel
Power Dissipation250mW
Output Current100mA
Forward Current30mA
Max Input Voltage1.5V
Nominal Input Voltage1.25V
Reverse Breakdown Voltage6V
Reverse Voltage6V
Product Attribute Attribute Value
Max Input Current60mA
Hold Current400μA
Input Current30mA
Max Junction Temperature (Tj)100°C
Static dV/dt (Min)1kV/μs
On-State Voltage-Max3V
Input Trigger Current-Nom15mA
Peak Surge Current1A
Height5.08mm
Length6.35mm
Width6.35mm
REACH SVHCNo SVHC
Radiation HardeningNo
RoHS StatusROHS3 Compliant
Lead FreeLead Free
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MOC3041 Feature

  • Opto-isolator with Zero-Crossing Triac Driver

  • Input LED Diode Forward Voltage: 1.3V

  • LED Forward Trigger Current: 15mA

  • TRIAC output terminal voltage: 400V (max)

  • TRIAC peak output current: 1A

  • Available as 6-pin PDIP with and without M-suffix

MOC3041 Application

  • AC Light dimmers

  • Contactor / Relay Control

  • AC motor speed control

  • Noise coupling circuits

  • Controlling AC loads using MCU/MPU

  • Ac/DC Power control

  • Solenoid / Valve control 

Where to use MOC3041

The MOC304X optocoupler's structure is based on simple IR communication; its transmitter is an LED that is solely utilized to transmit the IR signal on the logical input. The other component is a well-known monolithic silicon detector for performing the zero-cross voltage and TRIAC functions. Because the MOC3041 is utilized with high-load AC switching, a TRIAC is used to store the power.

The zero-cross is generally employed in digital dimmer to generate timing signals but here it will be used solely to detect the zero voltage at each cycle of AC. The AC load is always on and off for a set amount of time. During this length of time the gadget could heat up and there’s a danger that the device could get burned. A zero-cross method, which detects zero volts from the AC sign wave, is used to ensure the load's safety. The internal TRIAC becomes active whenever the voltage reaches 0V in each cycle; during this time, the optocoupler's TRIAC can be used for switching. The load will have a rare chance to be exposed to maximum voltages using this strategy.

How to use MOC3041

The MOC3041 is frequently used in AC motor speed control, light dimmers, and other home automation applications that involve an AC load. The following is a typical application circuit schematic for controlling an ACload with a Microcontroller.

MOC3041 Application Circuit

 

Pins 1 and 2 are connected to the internal IR LED. Through the resistor Rin, the voltage source Vcc should be able to provide 15mA to the LED's Anode pin. Based on a PWM signal from the microcontroller, the NAND gate connects the LED's Cathode pin to the ground. As a result, one input pin of the NAND gate will be linked to the ground and the other to the PWM signal.

The LED will be turned on at a specific interval based on the PWM signal, and the internal TRIAC will also be switched on. When the internal TRIAC is turned on, the external TRIAC is switched on, and the AC load is controlled. The 0.01uF capacitors and the 39 ohms resistor comprise an optional Snubber circuit. As a result, the output voltage varies depending on the duty cycle of the PWM, allowing us to adjust the load's speed and intensity.

MOC3041 Package

MOC3041 Package

MOC3041 Manufacturer

On Semiconductor (Nasdaq: ON) is a manufacturer engaging itself in reducing energy use. It features a comprehensive portfolio of power, signal management, and logic, custom solutions that are energy efficient. It acts as a world-class supply chain with high reliability and a network of manufacturing facilities, sales, offices, and design centres in key markets through North America, Europe, and the Asia Pacific regions.

Datasheet PDF

Download datasheets and manufacturer documentation for ON Semiconductor MOC3041M.

MOC3041M Documents

Download datasheets and manufacturer documentation for MOC3041M

Environmental Information
Material Declaration MOC3041M
PCN Design/Specification
Logo 17/Aug/2017

Frequently Asked Questions

How does MOC3041 work?
MOC3041 for Switching AC loads. The internal IR LED is connected between pin 1 and pin 2. ... Based on the PWM signal the LED will be turned on at a particular interval for which the internal TRIAC will also be turned on. When the internal TRIAC is turned on it switches the external TRIAC which in turn controls the AC load.
What is MOC3041 optocoupler?
MOC3041 is an optocoupler but unlike other optoisolators, it has a special feature of zero-crossing based switching. It is based on zero-crossing. MOC304X series is also used to operate the external TRIACS, SSR, and MOSFETS.
What is difference between optocoupler and opto isolator?
Today we find that both the terms optocoupler and optoisolator are used interchangeably to refer to the same function. The distinguishing feature between these two terms is the amount of voltage being isolated. In all optocouplers and optoisolators, input signals are converted to a pulse of light from an LED.
FAQ
How does MOC3041 work?
MOC3041 for Switching AC loads. The internal IR LED is connected between pin 1 and pin 2. ... Based on the PWM signal the LED will be turned on at a particular interval for which the internal TRIAC will also be turned on. When the internal TRIAC is turned on it switches the external TRIAC which in turn controls the AC load.
What is MOC3041 optocoupler?
MOC3041 is an optocoupler but unlike other optoisolators, it has a special feature of zero-crossing based switching. It is based on zero-crossing. MOC304X series is also used to operate the external TRIACS, SSR, and MOSFETS.
What is difference between optocoupler and opto isolator?
Today we find that both the terms optocoupler and optoisolator are used interchangeably to refer to the same function. The distinguishing feature between these two terms is the amount of voltage being isolated. In all optocouplers and optoisolators, input signals are converted to a pulse of light from an LED.

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