Product Summary

The MOC3043 consists of a AlGaAs infrared emitting diode optically coupled to a monolithic silicon detector performing the function of a zero voltage crossing bilateral triac driver. Applications are (1)Solenoid/valve controls; (2)Lighting controls; (3)Static power switches; (4)AC motor drives; (5)Temperature controls; (6)E.M. contactors; (7)AC motor starters; (8)Solid state relays.

Parametrics

MOC3043 absolute maximum ratings: (1)Storage Temperature T STG All: -40 to +150 °C; (2)Operating Temperature T OPR All: -40 to +85 °C; (3)Junction Temperature Range T J All: -40 to +100 °C; (4)Isolation Surge Voltage (peak AC voltage, 60Hz, 1 sec duration)V ISO All: 7500 Vac(pk); (5)Total Device Power Dissipation @ 25°C Derate above 25°C P D All: 250 mW.

Features

MOC3043 features: (1)Simplifies logic control of 115 VAC power; (2)Zero voltage crossing; (3)dv/dt of 2000 V/μs typical, 1000 V/μs guaranteed; (4)VDE recognized (File # 94766), ordering option V (e.g., MOC3043VM).

Diagrams

MOC3043 pin connection

Image Part No Mfg Description Data Sheet Download Pricing
(USD)
Quantity
MOC3043SR2M
MOC3043SR2M

Fairchild Semiconductor

Triac & SCR Output Optocouplers 6Pin400V Optocoupler Zero Cross Triac Dr

Data Sheet

0-1: $0.65
1-25: $0.58
25-100: $0.46
100-250: $0.40
MOC3043TVM
MOC3043TVM

Fairchild Semiconductor

Triac & SCR Output Optocouplers 6Pin400V Optocoupler Zero Cross Triac Dr

Data Sheet

0-1: $0.55
1-25: $0.48
25-100: $0.44
100-250: $0.38
MOC3043TVM_Q
MOC3043TVM_Q

Fairchild Semiconductor

Triac & SCR Output Optocouplers 6Pin400V Optocoupler Zero Cross Triac Dr

Data Sheet

Negotiable 
MOC3043VM
MOC3043VM

Fairchild Semiconductor

Triac & SCR Output Optocouplers 6Pin400V Optocoupler Zero Cross Triac Dr

Data Sheet

0-1: $0.68
1-25: $0.53
25-100: $0.49
100-250: $0.42
MOC3043X
MOC3043X

Other


Data Sheet

Negotiable 
MOC3043TM
MOC3043TM

Fairchild Semiconductor

Triac & SCR Output Optocouplers 6Pin400V Optocoupler Zero Cross Triac Dr

Data Sheet

Negotiable 
MOC3043SVM
MOC3043SVM

Fairchild Semiconductor

Triac & SCR Output Optocouplers 6Pin400V Optocoupler Zero Cross Triac Dr

Data Sheet

0-1: $0.64
1-25: $0.49
25-100: $0.45
100-250: $0.39
MOC3043SR2VM
MOC3043SR2VM

Fairchild Semiconductor

Triac & SCR Output Optocouplers 6Pin400V Optocoupler Zero Cross Triac Dr

Data Sheet

0-1: $0.73
1-25: $0.64
25-100: $0.52
100-250: $0.45