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STFA31 Datasheet, PDF (1/2 Pages) Vitec Power – 30W Open Frame Power Supply for I.T. Equipment
STFA31 SERIES
2 Year Warranty
30W Open Frame Power Supply for I.T. Equipment
– Wide Input Voltage 90 to 264 VAC, 47 to 63Hz
– Single Output
– Output voltage available from 5 to 48 VDC
– Molex Connector (2 pins)
– Input connector mates with Molex housing 09-50-3031 and Molex 2478 series crimp
terminal
– Output connector mates with Molex housing 09-50-3041 and Molex 2478 series crimp
terminal
– Input Surge Current, Over Voltage and Overload Protection
– All units are 100% burned in and tested
– Size: 1.5 "x4"x 0.83"
Approvals:
Model Number
STFA31-S02
STFA31-S03
STFA31-S04
STFA31-S05
STFA31-S06
STFA31-S07
STFA31-S08
STFA31-S09
STFA31-S10
STFA31-S11
Output Voltage
5 ~ 6 VDC
6 ~ 8 VDC
8 ~ 11 VDC
11 ~ 13 VDC
13 ~ 16 VDC
16 ~ 21 VDC
21 ~ 27 VDC
27 ~ 33 VDC
33 ~ 40 VDC
40 ~ 48 VDC
Single Output
Output Current
4.00 - 3.33 A
3.83 - 2.87 A
3.38 - 2.45 A
2.73 - 2.30 A
2.30 - 1.88 A
1.88 - 1.43 A
1.43 - 1.11 A
1.11 - 0.91 A
0.91 - 0.75 A
0.75 - 0.62 A
Total Regulation
5%
5%
5%
5%
5%
5%
3%
3%
3%
3%
Parameter
Input Voltage
Input Frequency
Output Power Range
Input Current (Low Line)
Input Current (High Line)
Low Line Inrush Current
High Line Inrush Current
Efficiency
Line Regulation
Load Regulation
Over Voltage Protection
Over Current Protection
Transient Response
Hold-Up Time
Start Up Time
Ripple & Noise (Peak to Peak)
Safety Ground Leakage Current
Temperature Coefficient
Power Consumption
Electrical Characteristics
Test Conditions
Operating Voltage
Vin=90 to 264VAC
Io=Full load, Vin=115VAC
Io=Full load, Vin=230VAC
Io=Full load, 25°C, Cool start,
Vin=115VAC
Io=Full load, 25°C, Cool start,
Vin=230VAC
Io=Full Load, Vin=230VAC
Io=Full Load
Vin=230VAC
Io=Full Load to Half Load, Vin=100VAC
Io=Full Load, Vin=110VAC
Io=Full Load, Vin=100VAC
Full Load, Vin=90VAC
Io=Full Load, Vin=240VAC
All output
No Load, Vin=240VAC
Min.
Typ.
90
47
0
12
26
78
84
0.5
3
112
110
12
0.5
0.4
-0.04
Conditions
Parameter
Test Conditions
Operating Temperature
Storage Temperature
Relative Humidity
Operating Temperature at 25°C, Calculated per MIL-HDBK-217F
De-rate linearly from 100% load at 40°C to 50% load at 70°C
Min.
Typ.
0
40
-40
5
0.1M
Maximum Output Power
20W
23W
27W
30W
30W
30W
30W
30W
30W
30W
Max.
264
63
30
0.8
0.5
15
30
88
1
5
132
150
4
2
1
0.75
0.04
0.3
Unit
VAC
Hz
W
A
A
A
A
%
%
%
%
%
mS
mS
S
%
mA
%/°C
W
Max.
Unit
70
°C
85
°C
95
%
Hrs