MOC3011VM Equivalent & Substitute Parts

Part Overview

The MOC3011VM is a 4.17 kV isolation optoisolator with triac output manufactured by onsemi in a 6-DIP through-hole package. This component is classified as obsolete, making equivalent and substitute parts necessary for new designs and ongoing production support. The MOC3011VM serves applications requiring galvanic isolation with triac-based switching control in industrial and consumer electronics.

Key Parameters

Parameter	MOC3011VM
Manufacturer	onsemi
Output Type	Triac
Voltage - Isolation	4170 Vrms
Voltage - Off State	250 V
Current - LED Trigger (Ift) Max	10 mA
Current - Hold (Ih)	100 µA (Typ)
Voltage - Forward (Vf) Typ	1.15 V
Current - DC Forward (If) Max	60 mA
Operating Temperature	-40°C to 85°C
Package / Case	6-DIP (0.300", 7.62 mm)
Mounting Type	Through Hole
Product Status	Obsolete

Substitute Part Grouping Explanation

Substitution for the MOC3011VM is determined by the following critical parameters:

Primary Compatibility Criteria:

Output Type: Triac (all substitutes must be triac output)
Package / Case: 6-DIP (0.300", 7.62 mm) through-hole mounting
Voltage - Off State: 250 V (standard for triac optoisolators)
Number of Channels: 1 (single channel isolation)
Zero Crossing Circuit: No (random phase operation)

Secondary Compatibility Criteria:

Voltage - Isolation: Minimum 4170 Vrms (equal or higher isolation rating acceptable)
Current - LED Trigger (Ift): Maximum 10 mA to 15 mA range (acceptable variation)
Current - Hold (Ih): 100 µA to 250 µA range (acceptable variation)
Operating Temperature: Minimum -40°C to 85°C coverage required

Substitute parts meeting these criteria are functionally compatible with the MOC3011VM in circuit applications where isolation voltage and trigger current specifications are satisfied.

Parameter Comparison

Part Number	Manufacturer	Voltage - Isolation	Current - LED Trigger (Ift) Max	Current - Hold (Ih)	Voltage - Forward (Vf) Typ	Current - DC Forward (If) Max	Operating Temperature	Product Status
MOC3011VM	onsemi	4170 Vrms	10 mA	100 µA (Typ)	1.15 V	60 mA	-40°C to 85°C	Obsolete
EL3010-V	Everlight Electronics	5000 Vrms	15 mA	250 µA (Typ)	1.18 V	60 mA	-55°C to 100°C	Active
EL3011-V	Everlight Electronics	5000 Vrms	10 mA	250 µA (Typ)	1.18 V	60 mA	-55°C to 100°C	Active
EL3012-V	Everlight Electronics	5000 Vrms	5 mA	250 µA (Typ)	1.18 V	60 mA	-55°C to 100°C	Active
H11J1X	Isocom Components	5300 Vrms	10 mA	100 µA	1.2 V	50 mA	-40°C to 100°C	Active
H11J2X	Isocom Components	5300 Vrms	15 mA	100 µA	1.2 V	50 mA	-40°C to 100°C	Active
H11J3X	Isocom Components	5300 Vrms	10 mA	100 µA	1.2 V	50 mA	-40°C to 100°C	Active
H11J4X	Isocom Components	5300 Vrms	15 mA	100 µA	1.2 V	50 mA	-40°C to 100°C	Active
H11J5X	Isocom Components	5300 Vrms	25 mA	100 µA	1.2 V	50 mA	-40°C to 100°C	Active
MOC3009X	Isocom Components	7.5 Vpk	30 mA	100 µA (Typ)	1.2 V	50 mA	-40°C to 100°C	Active
MOC3010X	Isocom Components	5300 Vrms	15 mA	100 µA	1.2 V	50 mA	-40°C to 100°C	Active

Engineering Selection Recommendations

Recommended Primary Substitutes (Active Status, Full Compatibility):

EL3011-V and H11J1X / H11J3X are the closest functional equivalents. Both maintain the 10 mA LED trigger current specification of the MOC3011VM while providing higher isolation voltage ratings (5000 Vrms and 5300 Vrms respectively). Both are active products with current manufacturing support.

Secondary Substitutes (Active Status, Parameter Variation):

EL3010-V, H11J2X, H11J4X, and MOC3010X are functionally compatible with acceptable parameter variations. These parts feature higher isolation ratings and extended operating temperature ranges. LED trigger current ranges from 15 mA to 15 mA, which is within acceptable tolerance for most applications.

EL3012-V offers the lowest LED trigger current at 5 mA, suitable for applications requiring minimal input current.

Not Recommended:

MOC3009X features isolation voltage of 7.5 Vpk, which does not meet the 4170 Vrms isolation requirement and is not suitable as a direct substitute.

Compliance Considerations:

All recommended substitutes carry UL and VDE approvals. Everlight Electronics EL-series parts include additional certifications (CSA, DEMKO, FIMKO, NEMKO, SEMKO). Isocom H11J-series parts carry UL and VDE approvals. All substitute parts are RoHS3 compliant with MSL rating of 1 (Unlimited).

Frequently Asked Questions (FAQ)

Q: Can I use EL3010-V as a direct replacement for MOC3011VM?

A: Yes. EL3010-V meets all primary compatibility criteria: 6-DIP package, triac output, 250 V off-state voltage, and single-channel random-phase operation. The 5000 Vrms isolation rating exceeds the MOC3011VM requirement of 4170 Vrms. The 15 mA LED trigger current is slightly higher than the 10 mA specification but remains within acceptable operating range for most circuit designs.

Q: What is the difference between EL3011-V and EL3010-V?

A: Both parts are manufactured by Everlight Electronics with identical isolation voltage (5000 Vrms), forward voltage (1.18 V), and DC forward current (60 mA). The primary difference is LED trigger current: EL3011-V specifies 10 mA maximum, matching the MOC3011VM, while EL3010-V specifies 15 mA maximum. EL3011-V is the closer match for applications with strict input current requirements.

Q: Are H11J-series parts compatible with MOC3011VM?

A: Yes. H11J1X and H11J3X are direct functional equivalents with 10 mA LED trigger current matching the MOC3011VM. All H11J variants feature 5300 Vrms isolation, 6-DIP package, and triac output. H11J2X, H11J4X, and H11J5X feature higher LED trigger currents (15 mA and 25 mA) and are compatible with applications tolerating increased input current.

Q: Why is MOC3009X not recommended?

A: MOC3009X specifies 7.5 Vpk isolation voltage, which is fundamentally different from the 4170 Vrms isolation requirement. This part does not meet the isolation voltage specification and is not suitable as a substitute.

Q: What is the impact of higher isolation voltage in substitute parts?

A: Higher isolation voltage ratings (5000 Vrms and 5300 Vrms) provide enhanced safety margin and are fully compatible with applications designed for 4170 Vrms isolation. No circuit modification is required. Higher isolation ratings do not degrade performance in lower-voltage applications.

Q: Do all substitute parts have the same package dimensions?

A: Yes. All recommended substitutes use 6-DIP (0.300", 7.62 mm) through-hole package with identical pin spacing and mounting footprint. Direct PCB substitution is possible without layout modification.

Q: What certifications should I verify for my application?

A: All recommended substitutes carry UL and VDE approvals. Verify that the specific certifications required by your application (IEC/EN/DIN, CSA, DEMKO, etc.) are present on the selected substitute part datasheet. All parts listed are RoHS3 compliant.

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