PKU4411ESI Specifications Series Power Modules Part Number PKU4411ESI Product Attributes Legacy - see PKU5511E Status Discontinued Isolation Isolated Regulation Regulated Input Voltage (min) 36V Input Voltage (max) 72V Output Voltage (typical) 5V Output Power 40W Output Current 8A Paralleling None Isolation Voltage 1500V Series PKU-E Typical Efficiency 90.3% Length 33.02mm Width 22.86mm Height 7.5mm Package Footprint Sixteenth Brick Package Type Open Frame Mounting Type SMD Application Telecom Images are for illustrative purposes only. Resources Datasheets PKU4000E (30-40W) Product Discontinuation Notices Product Discontinuation Notice – PKU53xxE and PKU43xxE series 03/28/2025 Technical Papers TP018: Safety Requirements TP020: Verification & Qualification Considerations Safety Product Notice – UL62368 upgrade Application Notes AN319: Repair & Rework Recommendations Design Notes DN002: Power Supply Reliability Aspects DN023: Architecture Selection DN022: Output Ripple & Noise Measurement DN021: Enabling with RC Pin DN028: Thermal Characterization in Sealed Applications DN019: Thermal Characterization DN015: 48V Enable with RC Pin DN014: Voltage Monitoring DN013: OnOff Control with RC Pin DN026: Start-Up with External Voltage on Output DN012: Ouput Overvoltage Protection DN025: Forced Air Cooling at High Altitude DN007: Output Voltage Alarm Circuit DN024: Power Modules Basics DN029: Conducted EMC Filters DN027: Test Methods Brochures Telecom DC/DC Solutions 2026 Selection Guide 2026 Flyer: Flex Power Modules’ capabilities Industrial and Railway DC/DC Solutions 2025 Environmental REACH Statement of Compliance RoHS Statement of Compliance Stock
