URB4812YMD-5WR3 is a compact DC-DC power module with an input range of 18–75 V (typical 48 V rail) and a single 12 V output delivering up to 416 mA. Designed for harsh industrial environments, it provides galvanic isolation between input and output, reliable protection, and a package and pinout consistent with the UR(B)_YMD family to facilitate quick design-in and interchangeability. Key Features Input: 18–75 V wide-range Output: 12 V single output, 416 mA Isolation: galvanic isolation between input and output Package: URB4812YMD-5WR3, footprint consistent with URB_YMD family (approx. 25.4 × 25.4 × 11 mm) Protection: overcurrent and short-circuit protection; thermal considerations per datasheet EMC: external filtering networks recommended by vendor to meet ripple and noise targets Electrical Specifications (Typical) Parameter Value Notes Input voltage 18–75 V Wide input range for automotive/industrial use Output voltage 12 V Single output Output current 416 mA Continuous Isolation Yes Galvanic isolation between input and output Operating temp -40°C to 85°C Ambient range; may vary by application Mechanical and Pinout (Representative) Fixed pinout with a consistent footprint across UR(B)_YMD family. See the datasheet or actual product label for exact pin definitions. Notes on EMC and Filtering Follow vendor recommendations for external EMC filtering to meet ripple and noise targets. Typical guidance includes appropriate capacitors and inductors on the input and output stages for a single 12 V output configuration. Usage Guidance Use with proper input filtering, observe minimum load requirements for stable operation, and ensure total external capacitance does not exceed the recommended limits. Mechanical mounting should adhere to the provided footprint for reliability. Documentation and Resources Consult URB_YMD family datasheets and application notes for full electrical and mechanical details, including pin definitions, thermal considerations, and recommended test circuits.
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