PUC2403S1B Specifications Series Power Modules Part Number PUC2403S1B Status Discontinued Isolation Isolated Regulation Unregulated/Fixed Ratio Input Voltage (min) 21.6V Input Voltage (max) 26.4V Output Voltage (typical) 3.3V Output Power 1W Output Current 0.3A Paralleling None Isolation Voltage 6000V Series PUC-B Typical Efficiency 75% Length 19.7mm Width 7.1mm Height 11.5mm Package Footprint SIP-7 Package Type Enclosed Mounting Type TH Application Industrial, Transportation and railway Images are for illustrative purposes only. Resources Datasheets PUC-1B Product Discontinuation Notices Product Discontinuation Notice – PUx_PNB-A modules 06/26/2026 Technical Papers TP018: Safety Requirements TP020: Verification & Qualification Considerations Mechanical Models Simplified STEP file – PUCxxxxSxB (typ) Safety Product Notice – UL62368 upgrade Application Notes AN319: Repair & Rework Recommendations Design Notes DN028: Thermal Characterization in Sealed Applications DN019: Thermal Characterization DN014: Voltage Monitoring DN012: Ouput Overvoltage Protection DN007: Output Voltage Alarm Circuit DN002: Power Supply Reliability Aspects DN026: Start-Up with External Voltage on Output DN025: Forced Air Cooling at High Altitude DN024: Power Modules Basics DN023: Architecture Selection DN022: Output Ripple & Noise Measurement DN029: Conducted EMC Filters DN027: Test Methods Brochures 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
