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Power Integrations

INN4174C-H187-TL

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Recycling Electronic Components

Power Integrations INN4174C-H187-TL - InnoSwitch™4-CZ Series AC/DC Converter IC

The INN4174C-H187-TL is a high-performance, isolated flyback AC/DC converter IC from Power Integrations' InnoSwitch™4-CZ family. Designed for industrial, telecommunications, automotive, medical, and consumer electronics applications requiring reliable, efficient power conversion up to 170W.

Key Features & Benefits

  • 170W Power Output - Robust power delivery for demanding applications
  • 750V Breakdown Voltage - High voltage capability for universal AC input (85-265 VAC)
  • Integrated Secondary-Side Synchronous Rectification - Enhanced efficiency and thermal performance
  • Advanced Protection Suite - Current limiting, overload, over-temperature, over-voltage, short circuit, and UVLO protection
  • Frequency Control & Soft Start - Optimized EMI performance and reliable startup
  • Wide Operating Temperature Range - -40°C to 105°C for harsh environments
  • RoHS Compliant - Meets environmental standards for global markets

Typical Applications

  • Industrial power supplies and automation equipment
  • Telecommunications infrastructure and networking gear
  • Automotive auxiliary power systems
  • Medical diagnostic and monitoring equipment
  • Consumer electronics and home appliances

Why Choose Power Integrations?

Power Integrations is a global leader in high-voltage integrated circuits for energy-efficient power conversion. The InnoSwitch4-CZ family delivers industry-leading efficiency, reliability, and long lifecycle support—critical for OEM designs requiring traceability and consistent supply.

Need technical support or volume pricing? Contact our team for datasheets, application notes, and custom solutions.


Related Resources & Product Categories

Explore more high-performance power conversion solutions and technical resources:

  • AC DC Converters, Offline Switchers - Browse our complete selection of AC/DC converter ICs and offline switching regulators for industrial, automotive, and telecommunications applications
  • HQICKEY Home - Your trusted source for semiconductors, programmable logic components, and power management solutions with full traceability and long lifecycle support
  • Technical Blog & Application Notes - Stay updated with the latest power conversion design guides, application notes, and industry insights from our engineering team
Product attributes Property Value
Manufacturer Power Integrations
Product Series InnoSwitch™4-CZ
Packaging Tape & Reel (TR) |
Output Isolation Isolated
Internal Switch(s) Yes
Voltage - Breakdown 750V
Topology Flyback, Secondary Side SR
Voltage - Start Up -
Voltage - Supply (Vcc/Vdd) -
Duty Cycle -
Frequency - Switching 50kHz ~ 140kHz
Power (Watts) 170 W
Fault Protection Current Limiting, Over Load, Over Temperature, Over Voltage, Short Circuit, UVLO
Control Features Frequency Control, Soft Start
Operating Temperature -40°C ~ 105°C (TA)
Grade -
Qualification -
Mounting Type Surface Mount
Package / Case 24-PowerSMD Module (0.425", 10.80mm Width), 17 Leads
Supplier Device Package InSOP-24D
ROHS RoHS Compliant - Hazardous Substance Free Electronic Components | HQICKEY

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