SMB-D20b 20W 5V2a 24V0.5A Dual Output Switching Power Supply SMPS

• Customization: Available
• Output Type: Dual
• Warranty: 2 Years
• Model NO.: SMB-D20B
• Input Voltage: Full Range
• Connection Mode: Series Switching Power Supply
• Starting Mode: Self-excited Switching Power Supply
• Voltage Regulating Mode: Width Modulation Type
• Power Supplying System: Terminal Power Distribution Equipment
• Energy Transmission: One-way Transmission
• Modulation System: PWM
• Certification: CE, RoHS, ISO
• Brand: Smun
• Input: 85-264VAC 240-370VDC
• Output: 5V2a 24V0.5A
• Power: 20W
• Size: 96*58*25mm
• Weight: 0.15kg
• Working Temperature: -10~+60 Degree C,20%~90%Rh
• DC Adjustable: 10%
• Safety Standard: En60950 UL60950 GB4943
• Customized: Available
• Efficiency: 74%
• Transport Package: Standard Exporting Cartons
• Specification: CE RoHS CCC ISO
• Trademark: smun
• Origin: China, Zhejiang Province
• HS Code: 8504401400
• Production Capacity: 1000PCS/Day

Product Description

20W dual output switching power supply
AC input voltage range selected by switch
Small volume, low weight, high efficiency 
Protections: Short circuit/over load/over voltage/over temp
Cooling by free convection
LED indicator for power on
100% full load burn-in test
2 year warranty

Model		SMB-D20A		SMB-D20B		SMB-D20C
Output	DC Voltage	Ch1:5v	Ch2:12v	Ch1:5v	Ch2:24v	Ch1:12v	Ch2:24v
	Voltage tolerance	±2.0%	±6.0%	±2.0%	±5.0%	±3.0%	±7.0%
	Rated Current	0.5-2A	0.1-0.1A	0.5-2A	0.1-0.5A	0.2-1A	0.2-0.4A
	Related Power	20w		20W		20W
	Wave&Noise	60mVp-p	120mVp-p	60mVp-p	150mVp-p	60mVp-p	150mVp-p
	DC Voltage ADJ range	Ch1:-9%~+10%
	Set up,rise,hold up time	200ms  100ms  30ms
Input	Voltage Range	95 ~264VAC  47-63HZ 120-370VDC
	AC Current	2A/115VAC 1A/230VAC
	Efficiency	72%		74%%		75%
	AC inrush current	Cold start current  15A/115V  30A /230VAC
	Leakage current	<3.5mA/240VAC
Protection	Overload	Related output power 105-150% start overload protection
		Protection type: cutoff output, recovery after restart power
	Over voltage	Ch2 :115%~135%
		Hiccup mode,recovers automatically after fault condition
Environment	Working temp humidity	-10~+60°C 20%~90%RH
	Storage temp, humidity	-20~+85°C 20%~90%RH Non-condensing
	Withstand vibration	10-500Hz,2G 10min/1 cycle, period for 60min, each axes
Safety	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
Standard	Safety standard	Fit UL1012
	Refer	Design refer to GB4943,UL60950,EN60950
	EMC standard	Design refer to GB9254,EN55022 Class A
Size	size	L96*W58*H25mm
	Package	0.25kg, 80pcs/20kg
Note:1.All parameters not specially mentioned are measured at 230VAC input, related load and 25of ambient temperature.
2.Wave&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.