HCPL-181-06DE Avago Technologies Integrated Circuit (Small Outline Packages) In Stock
Avago Technologies HCPL-181-06DE is a single-channel transistor-output optocoupler in a 4-pin SOP package, providing 3.75 kV isolation voltage and 300% current transfer ratio. It supports up to 50 mA forward input current and 80 V collector-emitter breakdown voltage. UL recognized and RoHS compliant for industrial isolation applications.
- Manufacturer
- Avago Technologies
- Package
- Small Outline Packages
- Pin Count
- 4
- Lifecycle
- ACTIVE
- Datasheet
- HCPL-181-06DE Datasheet PDF
- Category
- Integrated Circuit
- Temp Range
- -55.0°C to 100.0°C
- RoHS
- Compliant
- Lead Time
- 3–7 business days
- Shipping
- DHL Express · Worldwide
Key Features
- 3.75 kV isolation voltage with UL recognition for safe high-voltage signal isolation in industrial equipment
- 300% nominal current transfer ratio (CTR) with 50 mA maximum forward current for reliable transistor-output switching
- Compact 4-pin SOP package enabling space-efficient PCB placement in motor drives, PLCs, and power supply feedback circuits
Applications
The HCPL-181-06DE is used in industrial motor drive signal isolation, programmable logic controller (PLC) I/O interfaces, and switching power supply feedback loops where galvanic isolation up to 3.75 kV is required. Its 80 V collector-emitter breakdown voltage and 300% CTR make it suitable for level-shifting and noise-immune signal transmission across high-voltage isolation barriers in factory automation and power conversion equipment.
Specifications
| Pbfree Code | Yes |
| Reach Compliance Code | Compliant |
| YTEOL | 8 |
| Additional Feature | UL RECOGNIZED |
| Coll-Emtr Bkdn Voltage-Min | 80V |
| Configuration | SINGLE |
| Current Transfer Ratio-Min | 50% |
| Current Transfer Ratio-Nom | 300% |
| Dark Current-Max | 100nA |
| Forward Current-Max | 0.05A |
| Forward Voltage-Max | 1.4V |
| Isolation Voltage-Max | 3750V |
| JESD-609 Code | e3 |
| Mounting Feature | SURFACE MOUNT |
| Number of Elements | 1 |
| On-State Current-Max | 0.05A |
| Optoelectronic Device Type | TRANSISTOR OUTPUT OPTOCOUPLER |
| Packing Method | TR |
| Power Dissipation-Max | 0.15W |
| Response Time-Max | 0.000018s |
| Surface Mount | YES |
| Terminal Finish | Matte Tin (Sn) |
| Package | Small Outline Packages |
Compliance & Regulatory
| RoHS Status | Compliant |
| Lead-Free | Yes (Pb-Free) |
| HTS Code | 8541.40.80.00 |
| Country of Origin | Mainland China |
Alternate & Equivalent Parts
Compatible alternatives and drop-in replacements for HCPL-181-06DE:
suggested
suggested
suggested
Frequently Asked Questions
What isolation voltage does the HCPL-181-06DE provide, and which safety standards does it meet?
The HCPL-181-06DE provides 3.75 kV isolation voltage and is UL recognized, meeting the safety standards required for industrial signal isolation in motor drives and power equipment. This level of isolation protects low-voltage control circuits from high-voltage transients on the power side, ensuring operator safety and system reliability.
How does the HCPL-181-06DE's 300% current transfer ratio affect transistor switching performance?
The HCPL-181-06DE has a nominal current transfer ratio (CTR) of 300% and a minimum of 50%, meaning the output collector current is approximately 3 times the input LED forward current for nominal operating conditions. This high CTR allows the design to drive resistive or transistor loads with a modest input current of up to 50 mA, simplifying interface circuit design in PLC and relay drive applications.
For which industrial applications is the HCPL-181-06DE a preferred single-channel optocoupler choice over 2-channel alternatives?
The HCPL-181-06DE is preferred in single-channel isolated feedback paths such as isolated analog feedback in switching power supplies, or discrete digital signal isolation in PLCs and relay drivers, where using only 1 channel avoids paying for unused isolation channels. Its 4-pin SOP package occupies less board space than larger multi-channel optocouplers, and the 80 V collector-emitter breakdown voltage covers typical 48 V to 60 V industrial bus applications with adequate margin.
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About Avago Technologies
Avago Technologies is a leading electronic component manufacturer. FindMyChip sources Avago Technologies ICs directly from authorized China distributors, offering competitive pricing and reliable stock.
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