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STUA300 SERIES


300W U-Bracket Power Supply for I.T. Equipment


  •  Wide Operating Voltage 90 to 260 VAC,47 to 63 Hz
  •  Single Output
  •  Active Power Factor Correction
  •  Crowbar Mode Over Voltage Protection 
  •  Over Voltage Protection (Crowbar Design)
  •  Zero Voltage Switching(ZVS)
  •  Class I

Specifications

 

 

3 Year Warranty

 

Approvals: 

 

Single Output

Model Number

Output Voltage

Max. Output Current

Total Regulation

Max. Output Power

STUA300-S05

12 VDC

23 A

±5%

276W

STUA300-S08

24 VDC

12.5 A

±3%

300W

STUA300-S09

28~30 VDC

10.71~10.00 VDC

±3%

300W

STUA300-S10

36 VDC

8.33 A

±3%

300W

STUA300-S11

48 VDC

6.25 A

±2%

300W

 

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

lo=Full load, Vin=240AC

0.95

 

1

 

Output Power Range

See Rating Chart

 

 

300

W

Low Line Input Current

Full load, Vin=100VAC

 

3.9

 

A

High Line Input Current

Full load, Vin=240VAC

 

1.6

 

A

Low Line Input Inrush Current

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

 

 

45

A

High Line Input Inrush Current

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

 

 

108

A

Safety Ground Leakage Current

Vin=240VAC, Fi=60Hz

 

 

0.75

mA

Efficiency

Full Load, Vin=230VAC

87

 

92

%

Line Regulation

Full Load, Vin=100~120VAC

0.5

 

1

%

Load Regulation

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

2

 

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

Hold-Up Time

Full Load, Vin=100VAC

 

 

20

ms

Start Up Time

Full Load, Vin=100~240VAC

 

 

3

s

Ripple & Noise (Peak to Peak)

Full Load, Vin=100~240VAC

 

 

1

%

Temperature Coefficient

All output

 

 

±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 50„ƒ to 50% load at 70„ƒ

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

 

 

2000

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

PIN CHART

PIN

MODEL

1

2

3

4

STUA300-SXX           (4PIN)

RTN

RTN

OUT

OUT

 

PIN

MODEL

1

2

3

4

5

6

STUA300-SXX           (6PIN)

RTN

RTN

RTN

OUT

OUT

OUT

Note:

1. Dimensions are shown in mm.

2. Weight: 790gs  approx.

3. Input connector mates with DINKLE#DT-2GN-B01W-02P  
and DINKLE#ESK750V-02P.

4. Output connector mates with DINKLE#DT-2GN-B01W-(04P or 06P) 
and DINKLE#ESK750V-(04P or 06P).

Derating Chart

INPUT VOLTAGE (VAC)

(FIG.1) INPUT VOTAGE DERATING CURVE

TEMPERATURE(°C)

(FIG.2) TEMPERATURE DERATING CURVE

 

Datasheet PDF