SMFA250 SERIES


250W Open-Frame Power Supply for Medical Equipment


  • Wide Operating Voltage, 90 to 264 VAC, 47 to 63 Hz
  • Single Output
  • Protection: OVP, OLP, OTP
  • Size : 3"x5"x1.46"
  • Input to Output : 2MOPP
  • High ESD immunity
  • Suitable professional healthcare facility
  • 5 year warranty

Specifications

 

 

5 Year Warranty

 

Approvals:  

 

Single Output

ITEM NO.

Voltage Range

Output Current

Maximum

Output Power

Ripple & Noise

Total Regulation

Typ. Efficiency

Typ. No Load Consumption

Hold-Up Time

(VDC)

(A)

(W)

(mVp-p)

(%)

(%)

(W)

(ms)

SMFA250-S05

12.0

20.83

250

120

±5

91

0.21

16

SMFA250-S06

15.0

16.66

250

150

±5

92

0.21

16

SMFA250-S07

19.0

13.15

250

190

±5

93

0.21

16

SMFA250-S08

24.0

10.41

250

240

±3

94

0.21

16

SMFA250-S09

30.0

8.33

250

300

±2

94

0.21

16

SMFA250-S10

36.0

6.94

250

300

±2

94

0.21

16

SMFA250-S11

48.0

5.20

250

300

±2

94

0.21

16

 

Electrical Characteristics

Characteristic

Condition

Min.

Typ.

Max.

Unit

Safety Approval Input Voltage Range

Safety Approval & Specification in Label

100

 

240

VAC

Input Operate Voltage Range

Detail to see Fig.1

90

 

264

VAC

Input Frequency

Sine wave

47

 

63

Hz

Power Factor Correction

 

0.90

 

1

 

Output Power Range

See Rating Chart

 

 

250

W

Low Line Input Current

Full Load, Vin=100VAC

 

3

 

A

High Line Input Current

Full Load, Vin=240VAC

 

1.5

 

A

Low Line Input Inrush Current

Full Load, 25°C, Cool start, Vin=100VAC

 

 

75

A

High Line Input Inrush Current

Full Load, 25°C, Cool start, Vin=240VAC

 

 

150

A

Safety Ground Leakage Current

Vin=240VAC, Fi=60Hz

 

 

0.25

mA

Efficiency

Full Load, Vin=230VAC, Detail  to see Rating Chart

See Rating Chart

Line Regulation

Full Load, Vin=100~120VAC or 200~240VAC

 

 

1

%

Over Voltage Protection

Recovers automatically after fault condition is removed

112

 

132

%

Over Load Protection

Recovers automatically after fault condition is removed

105

 

130

%

Time of Transient Response

Io=Full Load to Half Load, Vin=110VAC

 

 

4

ms

Hold-Up Time

Full Load, Vin=110VAC

See Rating Chart

Start-up time

Full Load, Vin=100~240VAC

 

 

2

s

Insulation Resistance

 

50

 

 

MΩ

Temperature Coefficient

All Condition

 

 

±0.04

%/°C

Dielectric Withstanding Voltage (P-S)

Primary to Secondary, limit current <10mA

4000

 

 

VAC

Dielectric Withstanding Voltage (P-G)

Primary to PE, limit current <10mA

1500

 

 

VAC

EMC Emission

Compliance to EN55011 (CISPR11), EN60601-1-2

B

 

 

Class

 

Environmental

Characteristic

Condition

Min.

Typ.

Max.

Unit

Operating Temperature

Detail to see Fig.2

-40

 

70

°C

Storage Temperature

10 ~ 95% RH

-40

 

85

°C

Operating Humidity

non-condensing

0

 

95%

RH

Storage Humidity

 

0

 

95%

RH

Electro Static Discharge

Air Discharge, IEC61000-4-2

 

 

15

kV

Electro Static Discharge

Contact Discharge, IEC61000-4-2

 

 

8

kV

Mean Time Between Failure

Operating Temperature at 25°C, Calculated per MIL-HDBK-217F

200k

 

 

h

Operating Altitude (Elevation)

All condition

 

 

5000

m

Vibration

10 ~ 500Hz, 10min./1cycle, 60min. each along X, Y, Z axes

 

 

5

G

Surge Voltage

Line-Neutral

 

 

1

kV

Surge Voltage

Line-PE & Neutral-PE

 

 

2

kV

 

Mechanical Diagram and Technical Charts

       

 

 

SMFA250 - MEPOS ELECTRONICS
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