Data Sheet

CUS250LD Series
7HVW
Single Output
250W Low Prole
Power Supplies
CUS250LD Series
1
www.uk.tdk-lambda.com/cus
Features Benets
• High efciency up to 90% • Compact convection cooled device
• 30mm high • Slim design for use in panels
• Wide range AC input • Allows global use
• Convection cooled • No fan noise
• High grade component selection • 3 year warranty
&RPP
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Specication
Model CUS250LD
AC Input Voltage VAC 85 - 265VAC (300VAC for 5s)
Input Frequency Hz 47 - 63Hz
DC Input Voltage VDC 120 - 370VDC (No safety certication)
Inrush Current (cold start) A 20A at 115VAC, 40A at 230VAC
Power Factor - Meets EN61000-3-2 (Typical PF 0.98/0.95)(1)
Input Current (115/230VAC) A 2.8 / 1.4
Temperature Coefcient - <0.02%/°C
Overcurrent Protection - > 105%
Overvoltage Protection (2) V 3.3V: 4 - 5.25V, 4.2V: 5 - 6.5V, 5V: 5.75 - 7.5V, 12V: 13.8 - 16.2V, 24V: 27.6 - 32.4V
Hold Up Time ms 20ms
Leakage Current (240VAC 60Hz) mA <0.75mA
Remote Sense - No
LED Indicator - Green LED = On
Operating Temperature (3) °C -25°C to +70°C. Derate down to 50% load from +40°C to +70°C
Storage Temperature °C -30°C to +75°C
Operating Humidity (non condensing) % 30 - 90% RH
Storage Humidity (non condensing) % 10 - 90% RH
Cooling - Convection
Withstand Voltage - Input to Ground 2kVAC, Input to Output 3kVAC, Output to Ground 500VAC for 1 min.
Isolation Resistance - >100M at 25°C & 70%RH, Output to Ground 500VDC
Vibration (non operating) - 10 - 55Hz: 19.6m/s
2
constant sweep 1 min X, Y, Z for 1 hour
Shock - < 196.1 m/s
2
(20G)
Immunity - IEC61000-4-2 (lv 2, 3), -3 (lv3), -4 (lv 3), -5 (lv3, 4), -6 (lv 3), -8 (lv 4), -11
Safety Agency Certications - UL60950-1, CSA60950-1-07 (cTUVus), EN60950-1, CE Mark
Conducted & Radiated EMI - EN55022-B, FCC--B
Weight (Typ) g 700
Size (LxWxH) mm 198 x 102 x 30
Warranty yrs 3 Years
Notes:
(1) 115 / 230VAC input (2) Cycle AC to reset
(3) See derating curves on page 2.CUS250LD-3 derates linearly to 80% load from 115VAC to 85VAC input
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