STFA151 SERIES


150W Open Frame Power Supply for I.T. Equipment


  • Wide Operating Voltage 90 to 260 VAC, 47 to 63Hz 
  • Internal EMI Filter
  • Active Power Factor Correction
  • Crowbar Mode Over Voltage Protection
  • Synchronous Rectification
  • Single Output 
  • Class I system

Specifications

 

 

3 Year Warranty

 

Approvals:  

 

Single Output

Part Number

Output Voltage

Output Current

Total Regulation

Max. Output Power

STFA151-S04

9 VDC

16A

5%

150W

STFA151-S05

12  VDC

12.5A

5%

150W

STFA151-S06

15 VDC

10.0A

5%

150W

STFA151-S07

18  VDC

8.33A

4%

150W

STFA151-S08

24 VDC

6.25A

3%

150W

STFA151-S09

30  VDC

5.00A

2%

150W

STFA151-S10

36  VDC

4.17A

2%

150W

STFA151-S11

48  VDC

3.13A

2%

150W

 

Electrical Characteristics

Parameter

Test Conditions

Min.

Typ.

Max.

Unit

Input Voltage

Operating Voltage

90

 

260

VAC

Input Frequency

 

47

 

63

Hz

Power Factor Correction

Io=Full load, Vin=90~260VAC

0.95

0.97

1.0

 

Output Power Range

Vin=90 to 264 VAC

0

 

150

W

Input Current (Low Line)

Io=Full load, Vin=115VAC

 

 

2.0

A

Input Current (High Line)

Io=Full load, Vin=230VAC

 

 

0.8

A

Low Line Inrush Current

Io=Full load, 25°C,Cool start, Vin=115VAC

 

48

54

A

High Line Inrush Current

Io=Full load, 25°C,Cool start, Vin=230VAC

 

58

63

A

Efficiency

Io=Full load, Vin=230VAC

85

88

90

%

Line Regulation

Io=Full load

 

0.5

1

%

Load Regulation

Vin=230VAC

 

3

5

%

Over Voltage Protection

 

112

 

132

%

Over Current Protection

 

110

 

150

%

Transient Response

Io=Full load to Half Load, Vin=S00VAC

 

 

4

mS

Hold-Up Time

Io=Full load, Vin=1S0VAC

16

 

 

mS

Start Up Time

Io=Full load, Vin=S00VAC

0.3

1

2

S

Ripple & Noise (Peak to Peak)

Full load, Vin=90VAC

 

0.5

1

%

Safety Ground Leakage Current

Io=Full load, Vin=240VAC

 

0.4

0.75

mA

Temperature Coefficient

All output

-0.04

 

0.04

%/°C

Note: The Ripple & Noise which is under 3.3VDC at 2% max

 

Conditions

Parameter

Test Conditions

Min.

Typ.

Max.

Unit

Operating Temperature

 

0

50

70

°C

Storage Temperature

 

-40

 

85

°C

Relative Humidity

 

5

 

95

%

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

0.1

 

 

M Hrs

De-rate linearly from 100% load at 50°C to 50% load at 70°C

 

 

 

 

Approvals and Compliance

Parameter

Test Conditions

Min.

Unit

Dielectric Withstanding Voltage for Primary to secondary

Primary to secondary

4242

VDC

Dielectric Withstanding Voltage for Primary to Ground

Primary to ground

2121

VDC

Isolation Resistance

Test Voltage=500VDC

50

EMI requirements for CISPR-22

Vin=220VAC

B

CLASS

EMI requirements for FCC PART-15

Vin=1S0VAC

B

CLASS

Safety UL/c-UL, TUV/GS, CE

UL 60950-1, EN 60950-1, IEC 60950-1

 

Mechanical Diagram and Technical Chart 

       

 

Derating Chart

 

 

STFA151 - MEPOS ELECTRONICS
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