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MOC3012SR2M

Name: MOC3012SR2M
Rating: 4.7 (12 reviews)

OPTOISOLTR 4.17KV TRIAC 1CH 6SMD

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規格

Part Status	Active
Base Product Number	MOC301
Output Type	Triac
Zero Crossing Circuit	No
Number of Channels	1
Voltage - Isolation	4170Vrms
Voltage - Off State	250 V
Current - LED Trigger (Ift) (Max)	5mA
Current - Hold (Ih)	100µA (Typ)
Voltage - Forward (Vf) (Typ)	1.15V
Current - DC Forward (If) (Max)	60 mA
Operating Temperature	-40°C ~ 85°C
Mounting Type	Surface Mount
Package	6-SMD, Gull Wing
Supplier Device Package	6-SMD
Approval Agency	UL, VDE
Packaging	Bulk

概述

Description

MOC3012SR2M is a surface‑mount optically isolated triac driver (phototriac) in the MOC30xx family. It provides galvanic isolation between a low‑voltage control circuit (input LED) and a high‑voltage AC load (triac gate/output). The device enables a microcontroller or logic circuit to trigger a larger mains triac without a direct electrical connection.
Key points:
- Input side is an LED; output side is a phototriac that gates a main triac or SCR.
- Offers isolation (safety barrier) between control and power circuits (typical ratings in the kV RMS range).
- Used for AC mains switching: lamps, heaters, fans, small motors, etc.
- The “SR2M” suffix indicates a specific package/version (surface‑mount/reel option) of the MOC3012 series.
- Often includes zero‑cross behavior to reduce EMI (check datasheet for exact variant); a snubber network may be required for inductive loads.
Typical hookup: MCU → LED (with current limiting); phototriac output → main triac gate (with appropriate gate resistor and, if needed, a snubber).

Features

MOC3012SR2M features (concise):
- 1-channel optically isolated triac driver (phototriac) in a surface‑mount package (SR2M, 6-pin).
- Input LED drives the phototriac output to trigger a main triac in AC mains circuits.
- High input/output isolation suitable for safety (typical several kilovolts RMS).
- dv/dt immunity to reduce false triggering from transient transients.
- RoHS compliant, reflow-solderable, wide operating temperature range.
- Designed for AC load switching, motor control, lamp dimming, and solid-state relay applications.
- Internal design provides suitable gate triggering for main triacs when used with appropriate external components.

Package

Surface-mount, 6-pin SO-6 (Gull Wing) optocoupler package (triac-driver).

Pinout

6 pins. It is a surface-mount optocoupled triac driver (MOC3012) with zero-cross switching. Input side is an LED (anode and cathode) and output side is a phototriac with MT1 and MT2 terminals (no external gate). Used to trigger a power triac while providing galvanic isolation between control and load.

Manufacturer

- Manufacturer: Vishay Intertechnology.
- Kind of company: A global, multinational manufacturer of electronic components, including semiconductors and passive components (e.g., optocouplers like the MOC30xx series).

Application

Application areas:
- Optically isolated triac gate driver for AC mains switching
- Used in solid-state relays and AC power controllers
- Control of lamp dimming, fans/motors, pumps, and small appliances
- Microcontroller-based circuits needing galvanic isolation and safe triac triggering (with snubbers for inductive loads)