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OFM-1500 Series - 15W Single Output Open Frame Power Supply

SKU: OFM-1500 Series Category:

Additional information





  • Universal AC input/ full range
  • Protections: Short circuit/over load/over voltage/over temperature
  • Ultra-miniature size, light weight
  • Cooling by free air convection
  • 100% full load burn-in test
  • Fixed switching frequency at 100KHz
  • Low cost
  • High reliability
Input voltage85~264VAC 120~370VDC
Input frequency47-440Hz
AC current (typ.)0.36A/115VAC 0.25A/230VAC
Inrush currentCold start 20A/115V 38A/ 230VAC
Voltage tolerance±2.0%
Setup, rise time150ms, 20ms/230VAC 150ms, 20ms/115VAC at full load
Hold time (typ.)100ms/230VAC 16ms/115VAC at full load
Overload protectionAbove 150% rated output power
Protection type: Hiccup mode, recovers automatically after fault condition is removed
Over voltage protectionProtection type: Shut down o/p voltage, re-power on to recover
Over temperature protectionTj 145°C typically (U1) Detect on main control IC
Protection type:Shutdown o/p voltage, recovers automatically after temperature goes down
Working temperature-10~+60°C (refer to output load derating curve)
Working humidity20 ~ 90% RH non-condensing
Storage temp., humidity-20 ~+85°C, 10 ~95% RH
Temp. coefficient±0.03%/°C (0 ~ 50°C)
Vibration10 ~ 500KHz, 2G 10min./1 cycle, Period for 60 min. each along X,Y,Z axes
MTBF559.3Khrs min. MIL-HDBK-217F (25°C)
Safety standardUL1950, TUV, EN60950 approved
Withstand voltageI/P-O/P:3KVAC
Isolation resistanceI/P-O/P:100M Ohms/500VDC
EMI conduction & radiationCompliance to EN50081-1, EN50082-1
  • CE
  • TUV