12V DC 4.2A 50W Switching Power Supply

$42.15

12V DC switching power supply with universal AC input, works at 4.2A rated current and 50W rated power with short circuit and overload protection, economical price and high reliabiity SMPS power supply for office devices, household appliance and industrial equipment.

SKU: ATO-SMPS-50-12

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Delivery date: 6-20 days

Overview

Features

Universal AC input / Full range AC input
Short circuit, overload and overvoltage protections
Cooling by free air convection
LED indicator for power on
100% full load burn-in test
High reliability, low price and wide range of applications

SMPS Power Supply Applications

Power Tools
Electric Saw, Drilling Machine, Ginder, Sand Blast Machine, Puching Machine, Weeding Machine, Air Compressor, etc.
Offices Devices
Computer, Printer, LCD Monitor, Scanning Machine, etc.
Electrics & Household Appliance
TV, VCRS, Radio, Dust Collector, Fan Lamp or LED Strip, Sewing Machine, Microwave Oven, Fridge/Freezr, Coffemarker, etc.
Industrial Equipemnt
Monitoring Equipment, Shipping, Vehicle, Metalhalide Lamp, Solar System, Wind Power Generation, etc.

12V 50W SMPS Specification

Model		ATO-S-50-12
Output	DC Voltage	12V
	Rated Current	4.2A
	Current Range	0 ~ 10A
	Rated Power	50.4W
	Ripple & Noise (Max.)(Note 2)	100mVp-p
	Voltage Adjust Range	10.8 ~ 13.2V
	Voltage Tolerance (Note 3)	±1.0%
	Line Regulation	±0.5%
	Load Regulation	±0.5%
	Setup, Rise, Holdup Time	200ms, 100ms, 30ms
Input	Voltage Range	85 ~ 132VAC/170V~260VAC (selected by a switch) or 240 ~ 370V DC
	Frequency Range	47~63Hz
	Efficiency (Typ.)	78%
	AC Current (Typ.)	1.3A/115V AC 0.65A/230V AC
	Inrush Current (Typ.)	Cold start: 18A/115V AC 36A/230V AC
	Leakage Current	<1mA/240V AC
Protection	Overload	105~150% rated output power Protection type: Hiccup mode, recovers automatically after fault condition is removed.
Environment	Working Temperature	-10 ~ +60℃
	Working Humidity	20~90% RH non-condensing
	Storage Temperature	-20~+85℃
	Storage Humidity	10~95% RH non-condensing
	Temperature Coefficient	±0.03%/℃ (0~50℃)
	Vibration	10 ~ 500Hz, 2G 10min./1 cycle, period for 60min. each along X, Y, Z axes
Safety & EMC (Note 4)	Safety Standards	UL1012 Approved
	Withstand Voltage	I/P-O/P: 1.5KVAC I/P-FG: 1.5KVAC O/P-FG: 0.5KVAC
	Isolation Resistance	I/P-O/P, I/P-FG, O/P-FG: 100M Ohms/500VDC/25℃/70% RH
	EMC Emission	Compliance to FCC Part15 Jconduction Class B
Others	MTBF	≥408.3K hrs MIN. MIL-HDBK-217F (25℃)
	Dimension	1599738mm (LWH)
	Weight	0.51kg
Note	1. All parameters NOT specially mentioned are measured at 230V AC input, rated load and 25°C of ambient temperature. 2. Ripple & noise are measured at 20MHz of bandwidth by using a 12" twisted pair-wire terminated with a 0.1uf & 47uf parallel capacitor. 3. Tolerance includes set up tolerance, line regulation and load regulation. 4. The switching power supply is considered a component which will be installed into final equipment. Please make sure that the final equipment still meets EMC directives.

50W Switching Power Supply Dimension (Unit: mm)

50W SMPS Block Diagram

Tips: Types of switching power supply (SMPS)

Switching power supply is divided into DC and AC types. The DC type operates on basis of DC/DC convertors. In other words, categorization of DC switching power supply depends on that of DC/DC convertors.

DC/DC convertors are categorized into two types by the standard of whether there is electric isolation between input and output voltage. Those with electric isolation are categorized as isolated DC/DC convertors and those without electric isolation are categorized as non-isolated DC/DC convertors.

AC/DC conversion means converting alternating current into direct current. Its power flow proves to be bidirectional. Power flow borne by power supply flow is called rectification and that borne by returning power supply flow is called active inversion. It can be categorized into half-wave circuit and full-wave circuit according to the wring mode, classified into single phase circuit, three-phase circuit or multi-phase circuit according to the number of phases, or divided into one quadrant circuit, two quadrant circuit, three quadrant circuit and four quadrant circuit according to the operational quadrant.

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