SFS/SFCS-6

MODEL

SFS20481R5

SFS20481R8

SFS20482R5

SFS20483R3

SFS204805

MAX OUTPUTWATTAGE[W]

13.5

14.4

17.5

19.8

20.0

DC OUTPUT

1.5V9A

1.8V 8A

2.5V 7A

3.3V6A5V4A

SPECIFICATIONS

MODEL

SFS20481R5

SFS20481R8

SFS20482R5

SFS20483R3

SFS204805

INPUT

VOLTAGE[V]

DC36- 76

CURRENT[A]

*1

0.33typ

0.35typ

0.41typ

0.46typ

0.46typ

EFFICIENCY[%]

*1

86typ

85typ

88typ

90typ

90typ

START-UP VOLTAGE[V]

DC32- 36

HYSTERESISVOLTAGE[V] DC2 min

OUTPUT

VOLTAGE[V]

1.5

1.8

2.5

3.3

5

CURRENT[A]

98764

VOLTAGE ACCURACY[%] +5, -3

RIPPLE[mVp-p]

50max

RIPPLE NOISE[mVp-p]

50max

START-UP TIME[ms]

20- 200max (DCIN 48V, Io=100%)

OUTPUTVOLTAGE SETTING *1 +2, -1% of rated outputvoltage

PROTECTION

CIRCUIT AND

OTHERS

OVERCURRENT PROTECTION Worksover 103%ofrating

OVERVOLTAGEPROTECTION Worksat 115- 145%ofrating

LOWVOLTAGE PROTECTION Worksat 95% maxofrating

REMOTEON/OFF

Provided(RC open: ON, short betweenRC and +Vin : OFF)

ISOLATION INPUT-OUTPUT

DC1,500V 1minute, DC500V 50MW min (20t15C)

ENVIRONMENT

OPERATING TEMP.,HUMID.ANDALTITUDE -40 to +85C, 20- 95%RH (Non condensing), 3,000m (10,000feet) max

STORAGE TEMP.,HUMID.ANDALTITUDE -40 to +100C, 20 - 95%RH (Non condensing), 9,000m (30,000feet) max (SMD:Refer to the Instruction Manual)

VIBRATION

10- 55Hz, 49.0m/s2 (5G), 3minutes period, 60minutes each alongX, Y and Z axis

IMPACT

196.1m/s2 (20G), 11ms, once eachX, Yand Z axis

SAFETY

AGENCY APPROVALS

UL60950-1, C-UL(CSA60950-1), EN60950-1

OTHERS

CASE SIZE/WEIGHT

38.7X5.0X27.2mm [1.52X0.197X1.07 inches] (WXHXD) /12gmax

COOLINGMETHOD

Convection/Forced air

*1 At rated input(DC48V), rated load and 25C

SFS20

DC-DC Converters PCB Mount Type

SF

S

20

48

3R3

B

Ordering information

1Series name

2Single output

3Output wattage

4Input voltage

48:DC36 - 76V

5Output voltage

6Mounting type

(Soldering prosess)

B :SMD(Pb-free solder)

C :DIP(Pb-free solder)

R

1

2

3

4

5

6