STFA31 SERIES


30W Open-Frame Power Supply for General Uses (62368)


  • Wide Operating Voltage 90 to 264 VAC, 47 to 63 Hz
  • Internal EMI filter
  • Single Output
  • Input Surge Current, Over Voltage and Over Load protection
  • Free Air Convection
  • Class I, Flamability Rating: UL94-1
  • Compliant to IEC62368-1, UL/cUL62368-1

Specifications

 

 

3 Year Warranty

 

Approvals: 

 

Single Output

PART NO.

Setting Voltage Range

(Factory setting, can‘t be adjusted)

Output Current

(Based on the output volt.)

Max
Output Power

Ripple & Noise

Total Regulation

Typ. Efficiency

Typ. No Load Consume

Hold-up Time

Protect Mode

min

max

min

max

(VDC)

(VDC)

(A)

(A)

(W)

(mVp-p)

(%)

(%)

(W)

(ms)

STFA31-102

5.0

6.0

3.33

4.00

20

60

±5

78

0.3

12

Hiccup

*STFA31-103

6.0

8.0

2.87

3.83

23

80

±5

78

0.3

12

Hiccup

*STFA31-104

8.0

11.0

2.45

3.38

27

100

±5

84

0.3

12

Hiccup

STFA31-105

11.0

13.0

2.30

2.73

30

150

±5

85

0.3

12

Hiccup

*STFA31-106

13.0

16.0

1.88

2.30

30

150

±5

85

0.3

12

Hiccup

STFA31-107

16.0

21.0

1.43

1.88

30

200

±5

85

0.3

12

Hiccup

STFA31-108

21.0

27.0

1.11

1.43

30

200

±3

85

0.3

12

Hiccup

*STFA31-109

27.0

33.0

0.91

1.11

30

250

±3

85

0.3

12

Hiccup

*STFA31-110

33.0

40.0

0.75

0.91

30

250

±3

85

0.3

12

Hiccup

*STFA31-111

40.0

48.0

0.62

0.75

30

300

±3

85

0.3

12

Hiccup

[*] : MOQ is required. Please contact sales.

 

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

 

264

VAC

Input Frequency

Sine wave

47

 

63

Hz

Output Power Range

See Rating Chart

 

 

30

W

Low Line Input Current

Full load, Vin=100VAC

 

0.6

 

A

High Line Input Current

Full load, Vin=240VAC

 

0.25

 

A

Low Line Input Inrush Current

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

 

 

18

A

High Line Input Inrush Current

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

 

 

43

A

Safety Ground Leakage Current

Vin=240VAC, Fi=60Hz

 

 

0.75

mA

Line Regulation

Full Load, Vin=100~120VAC

0.5

 

1

%

Load Regulation

Vin=230VAC, 10~90% Load Change at Condition

3

 

5

%

Over Voltage Protection

Over Voltage Protection

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

Start Up Time

Full Load, Vin=100~240VAC

 

 

2

S

Temperature Coefficient

Full Load, Vin=100~240VAC

 

 

±0.04

%/°C

Dielectric Withstanding Voltage(P-S)

Primary to Secondary

 

 

4242

VDC

Dielectric Withstanding Voltage(P-G)

Primary to PE

 

 

2121

VDC

EMC Emission

Compliance to EN55022(CISPR22)

 

 

B

Class

 

 

Environmental

Parameter

Test Conditions

Min.

Typ.

Max.

Unit

Operating Temperature

Derate linearly from 100% load at 40 to 50% load at 70

0

 

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

 

 

8

KV

Electro Static Discharge

Contact Discharge, IEC61000-4-2

 

 

4

KV

Mean Time Between Failure

Operation Temperature at 25, Calculated per MIL-HDBK-217F

100K

 

 

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 Drawing & Technical Charts

    

Note:

  1. Dimensions are shown in inches or mm.
  2. Weight: 85gs approx.
  3. Input connector mates with Molex housing 09-50-3031 and Molex 2478 series crimp terminal.
  4. Output connector mates with Molex housing 09-50-3041 and Molex 2478 series crimp terminal

 

Input Voltage Derating Curve

Temperature Derating Curve

1. Operating Temperature: 0 to 70°C

2. Derate linearly from 100% load at 40°C to 50% load at 70°C

 

STFA31-62368 - MEPOS ELECTRONICS
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