SMFA350 SERIES


350W Open-Frame Power Supply for Medical Equipment


  • Wide Operating Voltage, 90 to 260 VAC, 47 to 63 Hz
  • Triple Output includes 12V Fan Output and 5V Stand-by Output
  • Over Voltage Protection, Over Load Protection, Over Temperature Protection
  • Remote ON/OFF Control, Size : 3”x5”x1.57”
  • Input to Output : 2MOPP
  • High ESD immunity
  • Suitable professional healthcare facility
  • Active Power Factor Correction

Specifications

 

 

5 Year Warranty

 

Approvals:  

 

Single Output

MODEL NO.

Setting Voltage Range

(Factory setting, can‘t be adjusted)

Output Current

(Based on the output volt.)

Output

Power

Ripple & Noise

Total Regulation

Typ. Efficiency

Typ. No Load Consumption

Hold Up Time

Vo1

Vo2

Vo3

Vo1

Vo2

Vo3

Typ.

Vo1

Vo2

Vo3

(VDC)

(VDC)

(VDC)

(A)

(A)

(A)

(W)

(mVp-p)

(%)

(%)

(%)

(%)

(W)

(ms)

SMFA350-T54

12.0

5.0

12.0

25.00

2.00

0.3

300

120

±5

±5

±5

91

1.0

20

SMFA350-T56

19.0

5.0

12.0

16.84

2.00

0.3

320

190

±5

±5

±5

93

1.0

20

SMFA350-T57

24.0

5.0

12.0

14.58

2.00

0.3

350

240

±3

±5

±5

94

1.0

20

SMFA350-T58

30.0

5.0

12.0

11.66

2.00

0.3

350

300

±2

±5

±5

94

1.0

20

SMFA350-T59

36.0

5.0

12.0

9.72

2.00

0.3

350

360

±2

±5

±5

94

1.0

20

SMFA350-T60

48.0

5.0

12.0

7.29

2.00

0.3

350

480

±2

±5

±5

94

1.0

20

*The no load consumption of Vsb in standby mode is 0.5W at max.

Electrical Characteristics

Parameter

Test Conditions

Min.

Typ.

Max.

Unit

Safety Approvals Input Voltage Range

Safety Approval & Specification in Label

100

 

240

VAC

Operate Voltage Range

 

90

 

260

VAC

Input Frequency

Sine wave

47

 

63

Hz

Power Factor Correction

 

0.95

 

1

 

Output Power Range

See Rating Chart

 

 

350

W

Low Line Input Current

Full load, Vin=100VAC

 

 

4.4

A

High Line Input Current

Full load, Vin=240VAC

 

 

1.7

A

Low Line Input Inrush Current

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

 

 

60

A

High Line Input Inrush Current

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

 

 

120

A

Safety Ground Leakage Current

Vin=240VAC, F=60Hz

 

 

0.25

mA

Efficiency

Full Load, Vin=230VAC

 

94

 

%

Line Regulation

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

0.5

 

1

%

Over Voltage Protection

Latch off, recycle input to reset

112

 

132

%

Over Load Protection

Recovers automatically after fault condition is removed

110

 

150

%

Time of Transient Response

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

 

 

4

ms

Hold-Up Time

Full Load, Vin=100VAC

 

 

20

ms

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<10 mA

 

 

4000

VAC

Dielectric Withstanding Voltage(P-G)

Primary to PE, limit current<10 mA

 

 

1500

VAC

EMC Emission

Compliance to EN55022(CISPR22)

B

 

 

Class

 

Environmental

Characteristic

Condition

Min.

Typ.

Max.

Unit

Operating Temperature

Detail to see Fig.2 (Derate linearly from 100% load at 30°C to 50% load at 70°C)

-10

 

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

 

 

3000

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

       

 

 

SMFA350 - MEPOS ELECTRONICS
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