PUB1203S2B Specifications Series Power Modules Part Number PUB1203S2B Product Attributes No minimum load, Short circuit protection Status Discontinued Isolation Isolated Regulation Unregulated/Fixed Ratio Input Voltage (min) 10.8V Input Voltage (max) 13.2V Output Voltage (typical) 3.3V Output Power 2W Output Current 0.61A Paralleling None Isolation Voltage 4000V Series PUB-B Typical Efficiency 78% Length 19.65mm Width 7.05mm Height 10.2mm Package Footprint SIP-7 Package Type Enclosed Mounting Type TH Application Industrial, Transportation and railway Images are for illustrative purposes only. Resources Datasheets PUB-2B 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 – PUBxxxxSxB (typ) Safety Product Notice – UL62368 upgrade Application Notes AN319: Repair & Rework Recommendations Design Notes 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 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 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
