STFA350 SERIES


350W Open Frame Power Supply for General Uses (62368)


  • Wide Operating Voltage 90 to 264 VAC, 47 to 63Hz, 128 to 367 VDC
  • Single Output
  • Input to Output Double Isolation, Protection: OVP, OLP
  • Size 3"x5"x1.46"
  • High ESD Immunity
  • Compliant to IEC/UL/cUL62368-1 Safety Regulations

Specifications

 

 

3 Year Warranty

 

Approvals: 

 

Single Output

Model Number

Output Voltage

Output Current

Total Regulation

Maximum 

Output Power

Typical

Efficiency

Ripple & Noise
(mVp-p)

Typ. No Load

Consumption

Vo1

Optional

Vo2

Vo

Optional

Output

Max1

Max2*

Max1

Max2*

STFA350-S05 (P)

12.0 VDC

12.0 VDC

20.83A

29.16A

0.1A

±5%

250W

350W

92%

120

0.5W

STFA350-S06 (P)

15.0 VDC

12.0 VDC

16.66 A

23.33A

0.1A

±5%

250W

350W

92%

150

0.5W

STFA350-S07 (P)

19.0 VDC

12.0 VDC

13.15 A

18.42A

0.1A

±5%

250W

350W

93%

190

0.5W

STFA350-S08 (P)

24.0 VDC

12.0 VDC

10.42 A

14.58

0.1A

±3%

250W

350W

94%

240

0.5W

STFA350-S09 (P)

30.0 VDC

12.0 VDC

8.33 A

11.66A

0.1A

±3%

250W

350W

94%

240

0.5W

STFA350-S10 (P)

36.0 VDC

12.0 VDC

6.94 A

9.72A

0.1A

±2%

250W

350W

94%

240

0.5W

STFA350-S11 (P)

48.0 VDC

12.0 VDC

5.21 A

7.29A

0.1A

±2%

250W

350W

95%

240

0.5W

*With 12 CFM min Forced Air

*Max1: Free Air  Max2: Forced Air

*"P" means with optional output (This email address is being protected from spambots. You need JavaScript enabled to view it.).

 

Electrical Characteristics

Parameter

Test Conditions

Min.

Typ.

Max.

Unit

Safety Approval Input Voltage Range

Safety Approval & Specification in Label

100

 

240

VAC

Operate Voltage Range

 

90

 

264

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

 

 

136

A

Safety Ground Leakage Current

Vin=240VAC, Fi=60Hz

 

 

0.75

mA

Efficiency

Po:350W, Vin=230VAC, Detail to see Rating Chart

(See rating table)

%

Line Regulation

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

 

 

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=110VAC

 

 

16

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

4242

 

 

VAC

Dielectric Withstanding Voltage(P-G)

Primary to PE, limit current<10 mA

2506

 

 

VAC

EMC Emission

Compliance to EN55032 (CISPR32), EN55024

B

 

 

Class

 

Environmental

Parameter

Test Conditions

Min.

Typ.

Max.

Unit

Operating Temperature

Detail to see Fig.2 (Derate linearly from 100% load at 40°C to 50% load at 70°C)

-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

 

 

8

kV

Electro Static Discharge

 Contact Discharge, IEC61000-4-2

 

 

6

kV

Mean Time Between Failure

 Operation 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 Drawing

       

MECHANICAL DIMENSIONS: (UNIT:mm)

PIN CHART

 

 

Screw

Terminal

MODEL

P2

P3

STFA350-105~111

OUT

RTN

 

P4:With Optional Output

PIN

MODEL

+

-

STFA350-1XXP

12V

RTN

     

PACKING:

  1. Net Weight: 370g approx.
  2. Input connector mates with JST housing VHR-3N and

JST SVH series crimp terminal.

  1. Output connector mates with PINGOOD #JH-4A-CXS.

Derating Curve

 

 

STFA350-62368 - MEPOS ELECTRONICS
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