PRODUCT OVERVIEW The UWD series is a switching AC-DC power supply available in single and dual outputs. They offer excellent line and load regulation and continuously protected against short circuits. The 2.5” x 2.3” x 0.5” half brick footprint is capable of up to 50W power in a wide temperature range 0°C to +85°C. These modules are highly reliable and perfect design choice for your most stringent industrial applications. • Single and dual outputs • Compact half brick size - 2.5” x 2.3” • Continuous short-circuit protection • Universal input range - 85-265VAC • Fixed operating frequency Contact Pico for part number of available options: • Expanded operating temp: -40°C to +85°C Stabilization Bake Temperature Cycle Burn-In • Special Input Voltage, Output Voltage, or Output Power SERIES NAME NUMBER OF OUTPUTS UWD 3.3 = 3.3V S = SINGLE

AC-DC PICO MODEL LIST - SINGLE OUTPUT Pico Part Number Note 1: Maintain minimum 10% of rated load to prevent a voltage surge. Note 2: Tested at nominal input voltage and full output load. Note 4: For <12V Output models, a minimum 130pF, 400V high quality electrolytic capacitor is required. For >15V Output models, a minimum 280pF, 400V high quality electrolytic capacitor is required. Note 1: Maintain minimum 10% of rated load to prevent a voltage surge. Note 2: Tested at nominal input voltage and full output load. Note 3: Dual output loads must be balanced. Note 4: For <12V Output models, a minimum...

AC-DC PICO SPECIFICATIONS (115VAC/60Hz, Full Load, T. = +25°C, 1 hour warm up unless otherwise specified)

AC-DC PICO THERMAL RESISTANCE OUT POUT = Output Power in Watts n = EfficiencyTC = Case temperature in °C Ta = Ambient temperature in °C Trca = Thermal resistance of case to air in °C / W Thermal resistance of case (TRCA) DERATING GRAPHS (Nominal VIN, Full Load, Efficiency @ Full Load) Models with Max. Output Power = 50W & Efficiency at full load = 85% Models with Max. Output Power = 50W & Efficiency at full load = 80% TYPICAL CONNECTION CIRCUIT Note 4: For <12V Output models, a minimum 130pF, 400V high quality electrolytic capacitor is required. For >15V Output models, a minimum 280pF, 400V high...

AC-DC PICO MECHANICAL DRAWINGS SINGLE OUTPUT NON-THREADED INSERT DUAL OUTPUTS NON-THREADED INSERT b. RECOMMENDED TORQUE FOR MOUNTING SCREWS: 6-9 INCH-LBS c. EXTERNAL CAPACITOR REQUIRED ACROSS TERMINALS 3 AND 4 d. NON-THREADED INSERTS ARE ISOLATED FROM ALUMINUM BASEPLATE

AC-DC PICO MECHANICAL DRAWINGS

AC-DC PICO MECHANICAL DRAWINGS HEAT SINK ASSEMBLY

] CARDBOARD CARRIER POWER SUPPLY CARDBOARD CARRIER POWER SUPPLY Pico warrants each product manufactured by us and sold by us or an authorized representative, to be free from defects in material and workmanship. If properly used, it will perform within its applicable specifications for a period of one year after original shipment. Pico’s obligation under this guarantee is limited to repairing or replacing our product to the original purchaser. This warranty is in lieu of all other warranties, express or implied and constitutes fulfillment of our obligations to the purchaser. We do not guarantee...