250W 12V 24V LED Ultrafine power supply

● PF test under AC 220V and full loading
● Input voltage：175-264Vac
● Output voltage：12V 24V
● Output power range：0~250W
● Efficiency：86%
● Certificates：CE. ROHS
● Warranty period：5 years
● Conversion efficiency 93%
● Crimp type wiring, flexible installation
● High power density, small size, high only 23mm, saving installation space.

DESCRIPTION

LED switch power supply

● Conversion efficiency:93%
● Crimp type wiring, flexible installation;
● High power density, small size, high only 18mm,saving installation space
● 100% full load burn-in test
● Suitable for internal lights application for Ⅰ/Ⅱ/Ⅲ.
● Equipped with over temperature, over current protection, short circuit protection, UVP, OVP
● Widely used in LED lighting and IT equipment
● Compliance to worldwide safety regulation for led lightings.

MODEL	led power supply	YSD-250WHH-12	YSD-250WHH-24	YSD-250WHH-36	YSD-250WHH-48
OUTPUT	Output voltage	12VDC	24VDC	36VDC	48VDC
	Output voltage range	12VDC±0.5VDC	24VDC±0.5VDC	36VDC±0.5VDC	48VDC±0.5VDC
	Output Current	Max 20.8A	Max 10.4A	Max 7A	Max 5.2A
	Output power	Max 250W
	Output power range	0~250W
	Linear Regulation	±1%
	Load Regulation	±1%
	Start-up Time (Typ)	500ms/230Vac
	Hold Up Time(Typ)	12ms/230Vac
INPUT	Input voltage	175-264Vac
	Frequency	50Hz
	Input current	1.76A/230Vac
	Power factor	PF>0.55
	No-load power consumption	＜0.5W
	Efficiency (typ.)	92%	92%	93%	93%
	Inrush current(typ.)	Cold start 65A at 230Vac
	Control surge capability	L,N:1KV L,N-PE:2KV
	Leakage current	Max.0.5mA
ENVIRONMENT	Working temperature	ta: -30°C ~ 50°C tc: 80°C
	Working humidity	20 ~ 99%RH, condensing
	Storage temp., humidity	-40°C ~ 80°C, 10~95%RH
PROTECTION	Overtemperature	Protection type: Turn off the output voltage, after the temperature drops, re-energize to restore.
	Over load protection	Shut down the output when current load ≥110%~150%, auto recovers
	Short circuit protection	Protection type: It can be automatically restored after the fault is eliminated.
SAFETY&EMC	Withstand voltage	I/P-O/P: 2000Vac
	Isolation resistance	I/P-O/P: 100MΩ/500VDC/25°C/70%RH
	EMC Test Standards	EN55015:2013;EN61547:2009 EN61000-3-2:2014;EN61000-3-3:2013
Reliability and Quality Control	Impact aging	100% of the product is fully loaded and impacted for 4 hours under an environment of at least 40°C±5°C
	Component derating	Under the steady-state conditions of rated input and output, the stress of components will not exceed its maximum nominal value
NOTE	1.All parameters not specifically mentioned are measured at 230VAC input, rated load and 25°C ambient temperature. 2.Ensure that the power supply is used under the rated parameters and environment

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