• High Power density, 250W in 3" x 5" footprint

Specification
• Electrical specifications
• Input range : 90 - 264VAC
• Frequency : 47 - 63Hz
• Power Factor : > 0.95 @115VAC; > 0.90 @230VAC @full load
• Inrush current : < 50A peak @115VAC; < 100A peak @230VAC cold start @25°C
• Input current (rms) : 4A @115VAC; 2A @230VAC max.
• Efficiency : > 85% typical @full load, 115VAC
• Earth leakage current < 300uA @264VAC
• Maximum output power (Po) : 250 Watts with 17.1CFM forced air cooling
• Hold-up time : > 16ms typical @full load, 115VAC
• Short circuit protection : Auto-recovery
• Over load protection : 110% to 160% maximum rating, Auto-recovery
• Over voltage protection : Auto-recovery

Safety standards
• UL/c-UL UL60601-1
• TUV EN60601-1
• CB IEC60601-1

EMC standards
• EN60601-1-2
• FCC Part 18 Class B
• EN55011 Class B
• CE

Environmental
• Operating temperature : 0 to +60°C (Derate linearly 2.5% per °C from 41 to 60°C)
• Storage temperature: -10°C to +85°C
• Humidity: Non-condensing 10% to 95%
• MTBF : > 100,000 hours @full load and 25°C ambient temperature

Description
• Dimension : L127 × W76.2 × H32.5 mm ( 5" x 3" x 1.28" )
• Weight : 0.4 kgs. ( 0.88 lbs. )

Model No.		Output Voltage	Minimum Load	Maximum Load with Convection Cooling	Maximum Load with 17.1CFM Forced Air	Output Watts	O/P Regulation	Ripple & Noise (Vp-p)
EJ-M250B-1Y120P-PW		+12V	0A	16.67A	20.84A	250W	±5%	120mV
EJ-M250B-1Y190P-PW		+19V	0A	10.53A	13.16A	250W	±5%	190mV
EJ-M250B-1Y240P-PW		+24V	0A	8.34A	10.42A	250W	±5%	240mV
EJ-M250B-1Y280P-PW		+28V	0A	7.14A	8.93A	250W	±5%	280mV
EJ-M250B-1Y300P-PW		+30V	0A	6.67A	8.34A	250W	±5%	300mV
EJ-M250B-1Y360P-PW		+36V	0A	5.56A	6.95A	250W	±5%	360mV
EJ-M250B-1Y400P-PW		+40V	0A	5A	6.25A	250W	±5%	400mV
EJ-M250B-1Y480P-PW		+48V	0A	4.17A	5.21A	250W	±5%	480mV

Note:
1. At 25°C including initial tolerance, line voltage, load currents and output voltages adjusted to factory settings.
2. Peak–to–peak with 20MHz bandwidth with a tantalum 47uF in parallel with a 0.1uF ceramic capacitor