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MLX90290LUA-AAA-622-BU
Electronics Part Number
MLX90290LUA-AAA-622-BU-WXManufacturer
onsemi
MLX90290LUA-AAA-622-BU
Description
TO-92-3 Analog Output Hall Effect SensorInventory
254 Pcs New Original In Stock
High-sensitivity Hall effect sensor in TO-92-3 package for single-axis magnetic field sensing.
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Minimum 1
Minimum 1
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Freight
Basic cost: USD 70.00
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Shipped from Hong Kong via FedEx/DHL/UPS/TNT
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In-stock items: Ready to ship in 1-2 days
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Technical Specifications
Category
Optoisolators, Triac, SCR Output Optoisolators
Manufacturer
onsemi
Packaging
Tape & Reel (TR)
Operating Temperature
-40°C ~ 85°C
Mounting Type
Surface Mount
Package / Case
6-SMD, Gull Wing
Series
-
Base Product Number
MOC304
Product Status
Active
Approval Agency
IEC/EN/DIN, UL
Number of Channels
1
Output Type
Triac
Voltage - Isolation
4170Vrms
Supplier Device Package
6-SMD
Turn On Time
-
Voltage - Forward (Vf) (Typ)
1.25V
Current - DC Forward (If) (Max)
60 mA
Zero Crossing Circuit
Yes
Voltage - Off State
400 V
Static dV/dt (Min)
1kV/µs
Current - LED Trigger (Ift) (Max)
5mA
Current - Hold (Ih)
400µA (Typ)
Data Sheet Document (D)
Datasheets
Download MOC3043SR2VM Product Specification (PDF)
HTML Datasheet
MOC3043SR2VM-DG
Environmental & Export Classification
RoHS Status
ROHS3 Compliant
Moisture Sensitivity Level (MSL)
1 (Unlimited)
REACH Status
REACH Unaffected
ECCN
EAR99
HTSUS
8541.49.8000
Additional Information
Other Names
MOC3043SR2VM-NDR MOC3043SR2VM-DG MOC3043SR2VMCT MOC3043SR2VMTR MOC3043SR2VMDKR
Standard Package
1,000
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Frequently Asked Questions (FAQ)
Can the MOC3043SR2VM be used in non-zero-crossing AC switching applications, and what are the risks
The MOC3043SR2VM includes an integrated zero-crossing detection circuit, meaning it only triggers the output triac when the AC voltage crosses zero. Attempting to use it for phase-angle or instantaneous switching (e.g., dimming or motor speed control) will result in delayed turn-on and inconsistent performance. For such applications, consider a non-zero-crossing optoisolator like the MOC3023 or competitor VO3063-X017T, which allows immediate triggering. Using the MOC3043SR2VM outside its zero-crossing design intent increases EMI and thermal stress due to inrush current at random AC phases.
How does the MOC3043SR2VM compare to the VO3063-X017T in terms of LED trigger current and reliabilit
The MOC3043SR2VM specifies a maximum LED trigger current (Ift) of 5mA, which is lower than the VO3063-X017T’s typical 10mA requirement, giving the MOC3043SR2VM better sensitivity and lower drive circuit power consumption. However, the VO3063-X017T may offer tighter batch consistency in high-volume production. For noisy environments, the MOC3043SR2VM’s high static dV/dt immunity (1kV/µs minimum) helps prevent false triggering, but designers must still include an external snubber network or gate resistor to suppress transients when driving inductive loads like solenoids or relays.
Is the MOC3043SR2VM suitable for driving a 2A AC load directly, and what design considerations must
The MOC3043SR2VM cannot directly switch a 2A AC load because its output triac is designed only as a pilot trigger device. Use it to gate a larger, external triac or SCR (e.g., BT136 or MAC97A6) via a current-limiting gate resistor. The MOC3043SR2VM’s output is rated for short pulse currents, not continuous load current. To ensure reliable turn-on, verify that the external triac’s gate threshold is compatible with the MOC3043SR2VM’s peak output current (controlled by the internal triac die) and always include a 100Ω series gate resistor to prevent oscillation and reduce EMI coupling.
What are the thermal and lifetime implications of operating the MOC3043SR2VM near its maximum 60mA L
Operating the MOC3043SR2VM at or near the 60mA LED forward current (If) in environments approaching 85°C can accelerate LED degradation and reduce optocoupler lifetime due to thermal stress. While the device is rated for this current, long-term reliability improves significantly when operated at 8–15mA—sufficient to reliably trigger the output at room temperature. If higher temperatures or long service life (>10 years) are expected, derate the LED current to ≤20mA and include a thermal relief pad in the PCB layout. Monitor actual junction temperature using derating curves from onsemi’s application notes to prevent luminous decay and loss of CTR over time.
Can the MOC3043SR2VM safely replace legacy through-hole optoisolators like the MOC3041M in SMD desig
Yes, the MOC3043SR2VM is a surface-mount equivalent to through-hole parts like the MOC3041M, sharing the same zero-crossing triac output and 400V off-state blocking capability. When replacing in SMD designs, ensure creepage and clearance distances meet 4170Vrms isolation requirements—maintain ≥6.4mm of spacing between input and output traces. Use a split ground plane and an isolation barrier following IEC 60664 standards. Also, avoid placing the MOC3043SR2VM over internal PCB layers with high-voltage traces to prevent coupling. The 6-SMD gull wing package allows reflow assembly but requires careful solder profile control due to moisture sensitivity level (MSL 1).
Can the MOC3043SR2VM be used in non-zero-crossing AC switching applications, and what are the risks
The MOC3043SR2VM includes an integrated zero-crossing detection circuit, meaning it only triggers the output triac when the AC voltage crosses zero. Attempting to use it for phase-angle or instantaneous switching (e.g., dimming or motor speed control) will result in delayed turn-on and inconsistent performance. For such applications, consider a non-zero-crossing optoisolator like the MOC3023 or competitor VO3063-X017T, which allows immediate triggering. Using the MOC3043SR2VM outside its zero-crossing design intent increases EMI and thermal stress due to inrush current at random AC phases.
How does the MOC3043SR2VM compare to the VO3063-X017T in terms of LED trigger current and reliabilit
The MOC3043SR2VM specifies a maximum LED trigger current (Ift) of 5mA, which is lower than the VO3063-X017T’s typical 10mA requirement, giving the MOC3043SR2VM better sensitivity and lower drive circuit power consumption. However, the VO3063-X017T may offer tighter batch consistency in high-volume production. For noisy environments, the MOC3043SR2VM’s high static dV/dt immunity (1kV/µs minimum) helps prevent false triggering, but designers must still include an external snubber network or gate resistor to suppress transients when driving inductive loads like solenoids or relays.
Is the MOC3043SR2VM suitable for driving a 2A AC load directly, and what design considerations must
The MOC3043SR2VM cannot directly switch a 2A AC load because its output triac is designed only as a pilot trigger device. Use it to gate a larger, external triac or SCR (e.g., BT136 or MAC97A6) via a current-limiting gate resistor. The MOC3043SR2VM’s output is rated for short pulse currents, not continuous load current. To ensure reliable turn-on, verify that the external triac’s gate threshold is compatible with the MOC3043SR2VM’s peak output current (controlled by the internal triac die) and always include a 100Ω series gate resistor to prevent oscillation and reduce EMI coupling.
What are the thermal and lifetime implications of operating the MOC3043SR2VM near its maximum 60mA L
Operating the MOC3043SR2VM at or near the 60mA LED forward current (If) in environments approaching 85°C can accelerate LED degradation and reduce optocoupler lifetime due to thermal stress. While the device is rated for this current, long-term reliability improves significantly when operated at 8–15mA—sufficient to reliably trigger the output at room temperature. If higher temperatures or long service life (>10 years) are expected, derate the LED current to ≤20mA and include a thermal relief pad in the PCB layout. Monitor actual junction temperature using derating curves from onsemi’s application notes to prevent luminous decay and loss of CTR over time.
Can the MOC3043SR2VM safely replace legacy through-hole optoisolators like the MOC3041M in SMD desig
Yes, the MOC3043SR2VM is a surface-mount equivalent to through-hole parts like the MOC3041M, sharing the same zero-crossing triac output and 400V off-state blocking capability. When replacing in SMD designs, ensure creepage and clearance distances meet 4170Vrms isolation requirements—maintain ≥6.4mm of spacing between input and output traces. Use a split ground plane and an isolation barrier following IEC 60664 standards. Also, avoid placing the MOC3043SR2VM over internal PCB layers with high-voltage traces to prevent coupling. The 6-SMD gull wing package allows reflow assembly but requires careful solder profile control due to moisture sensitivity level (MSL 1).
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Sep 15 2026
