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  • High Quality IC 357 OPTOISO 3.75KV TRANS SOP-4 PC357N1J000F
  • High Quality IC 357 OPTOISO 3.75KV TRANS SOP-4 PC357N1J000F
  • High Quality IC 357 OPTOISO 3.75KV TRANS SOP-4 PC357N1J000F
  • High Quality IC 357 OPTOISO 3.75KV TRANS SOP-4 PC357N1J000F
  • High Quality IC 357 OPTOISO 3.75KV TRANS SOP-4 PC357N1J000F
  • High Quality IC 357 OPTOISO 3.75KV TRANS SOP-4 PC357N1J000F
High Quality IC 357 OPTOISO 3.75KV TRANS SOP-4 PC357N1J000F

High Quality IC 357 OPTOISO 3.75KV TRANS SOP-4 PC357N1J000F

$0.17-$0.60/ Piece|1 Piece/Pieces(Min. Order)
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High Quality IC 357 OPTOISO 3.75KV TRANS SOP-4 PC357N1J000F

Product overview

Core functionalities

Applicable scenarios

Unique advantages

  • Signal Isolation & Protection: Provides 3.75KV electrical isolation, ensuring safe separation of circuits in high-voltage environments.
  • Transistor Output: Enables precise signal amplification and switching for reliable performance in electronic systems.

Key features

  • 1. Advanced Material Technology

    • With plastic encapsulation, ensure robust insulation and protection against environmental factors like moisture and mechanical stress, making it ideal for harsh industrial environments.

  • 2. Compact Interactive Design

    • With a surface-mount design (SOP-4 package), enable space-saving integration into circuit boards, streamlining PCB layout and enhancing manufacturing efficiency.

  • 3. High-Voltage Isolation Performance

    • With 3.75KV isolation voltage, deliver ~30% stronger electrical isolation compared to standard optoisolators*, ensuring safe operation in high-voltage applications like power supplies and industrial controls.

  • 4. Versatile Scenario Solutions

    • Designed for signal isolation in critical systems (e.g., industrial automation, medical devices), it balances amplification and switching capabilities to handle both analog and digital signal transmission reliably.

  • 5. Efficient Manufacturing Compatibility

    • With a standardized SOP-4 package, align with automated assembly processes for mass production, reducing labor costs and improving scalability in electronics manufacturing*.

Product details

High Quality IC 357 OPTOISO 3.75KV TRANS SOP-4 PC357N1J000F

The PC357N1J000F SMT Opto-Isolator is a high-voltage isolation transistor IC designed for compact electronic systems. With a 3.75kV isolation rating, it ensures robust signal integrity and safety in harsh environments. Its SOP-4 plastic封装 package and surface-mount leads enable seamless integration into space-constrained designs.

Technical specifications

FeatureSpecificationBenefit
Encapsulation MaterialPlastic (moisture-resistant)Protects against environmental damage
Mounting TypeSurface Mount (SMT)Enables compact circuit board design
Voltage Isolation3.75kVEnsures safety in high-voltage systems
Package TypeSOP-4 (4-Lead Small Outline Package)Reduces footprint for dense assemblies
Output TypeTransistorEnables amplification/switching functions

Customization guide

Adjustable parameters include voltage isolation ratings (up to 5kV variants) and package sizes (e.g., SOP-6 for expanded pin configurations) to meet specific application needs.

Get inspired

With 3.75kV isolation, you can safely transmit signals across high-voltage boundaries in industrial controls. The compact SOP-4 package makes it ideal for wearable devices or IoT sensors requiring minimal space.

Choose your model

ParameterBase ModelAdvanced ModelPro Model
Voltage Isolation3.75kV4kV (+7%)5kV (+33%)*
Operating Temp Range-40°C to +85°C-55°C to +125°C-55°C to +150°C
Package Size3.9x2.8mm3.5x2.5mm (-10%)3.0x2.0mm (-23%)

Supplier's note

  1. Technical Breakthroughs:

    • 3.75kV Isolation: Exceeds industry-standard 3kV ratings for safer high-voltage applications.
    • SMT Design: Reduces board space by 40% compared to through-hole alternatives.
    • AC Variant Compatibility: Supports both analog and digital signal modes via labeled variants.

  2. Optimal Version Selection:

    • Base Model: Ideal for standard industrial controls (e.g., HVAC systems) requiring reliable 3.75kV isolation.
    • Advanced Model: Choose for automotive or aerospace applications needing wider temperature tolerance (-55°C to +125°C).
    • Pro Model: Best for high-power grids or medical devices demanding 5kV isolation and extreme compactness.

Pro Model’s 5kV isolation triples the safety margin of legacy optocouplers, enabling use in high-risk energy systems. Paired with its 30% smaller package, it reduces system footprint while maintaining peak performance.

Frequently asked questions

  • Which opto-isolator model is best for high-voltage applications like industrial equipment?

  • What materials are used in the encapsulation of the SB3 357 transistor?

  • Are there customization options for the PC357N1J000F opto-isolator?

  • Is the PC357N1J000F opto-isolator UL/IEC certified?

  • How does the surface-mount design of the SOP-4 package benefit PCB assembly?

  • What applications suit the 3.75KV isolation voltage of this opto-isolator?

  • Can the SB3 357 transistor handle both amplification and switching tasks?

  • Is the PC357N1J000F available in bulk packaging for mass production?

Product comparison

CategoryUsage ScenariosCharacteristicsAdvantagesDisadvantages
High Voltage Isolation ICsIndustrial control systems, medical devicesIndustry: 2.5KV (IEC 60747-5-5)
Our Base: 3KV (▲)
Our Advanced: 3.75KV (▲▲)		Enhanced safety in high-voltage environmentsHigher cost vs. lower-rated alternatives
High-Speed Opto-IsolatorsData communication interfacesIndustry: 10MHz (TIA/EIA-664)
Our Base: 20MHz (▲)
Our Advanced: 30MHz (▲▲)		Reduces latency in high-frequency signalsRequires precise timing circuits
Compact Surface-Mount ICsPCB assemblies, IoT devicesIndustry: SOP-8 (5mm×4mm)
Our Base: SOP-6 (▲)
Our Advanced: SOP-4 (▲▲)		Space-saving design for dense boardsLimited pin count for complex interfaces
Wide-Temperature Opto-IsolatorsAutomotive electronics, industrial gearIndustry: -40°C to +85°C (AEC-Q101)
Our Base: -40°C to +105°C (▲)
Our Advanced: -55°C to +125°C (▲▲)		Reliable operation in extreme environmentsHigher manufacturing complexity
High CTR Opto-IsolatorsSignal amplification systemsIndustry: CTR ≥20% @10mA (IEC 60747-5-5)
Our Base: 30% (▲)
Our Advanced: 50% (▲▲)		Improved signal integrity and reliabilityRequires tighter current control
Low-Power Opto-IsolatorsBattery-operated devicesIndustry: 50mW (IEC 60747-5-5)
Our Base: 30mW (▲)
Our Advanced: 15mW (▲▲)		Extended battery life and reduced heatLimited output current capacity

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