Mechanical Characteristics

Length:50.8mm

Height: 11.2mm

Width: 25.4mm

Weight: 31.2g Typ

GENERAL SPECIFICATIONS

Operating Temperature

-25oC to +71oC

Isolation Capacitance

500pF max

Storage Temperature

-55oC to +125oC

Switching Frequency

100 KHz min

Humidity

95% max

MTBF

>700,000 Hours at 25oC

Cooling

Free-Air Convection

Case Material

Six-sided shield Case

Efficiency

70% min

Potting Material

Epoxy(UL94-V0)

Isolation Voltage

1000VDC min

Conducted Emissions

EN55022 Class A

Isolation Resistance

109 ohms min

Radiated Emissions

EN55022 Class A

ELECTRICAL SPECIFICATIONS

Input Voltage Range

2:1 Input Range

Load Regulation

+/-0.2% max

Input Filter

Pi Network

Minimum Load

10% of Full Load

Protection

Fuse Recommended

Short Circuit Protection

Continuous

Voltage Setpoint Accuracy

+/-2% max

Short Circuit Restart

Automatic

Temperature Coefficient

+/-0.03%/oC

Overload Protection

180% Typ

Ripple & Noise(20MHz BW)

100mVp-p max

Transient Response

200uS max

Line Regulation

+/-0.2% max

 

 

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OUTPUT SPECIFICATIONS

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DC/DC CONVERTER
WIDE INPUT RANGE - 2:1
WF SERIES

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SIMPLIFIED SCHEMATIC

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MECHANICAL DIMENSIONS &
RECOMMENDED FOOTPRINT DETAILS

8W DUAL OUTPUT

Model No

INPUT VOLTAGE
 (DC)

OUTPUT VOLTAGE
 (DC)

OUTPUT CURRENT
 (mA)

INPUT CURRENT(mA)

EFF
(%)

ISOLATION(VDC)

FULL LOAD

NO LOAD

WFD-1205

9-18

+/5

+/-800

867

50

77

1000

WFD-1209

9-18

+/-9

+/-444

860

40

78

1000

WFD-1212

9-18

+/-12

+/-335

813

50

82

1000

WFD-1215

9-18

+/-15

+/-267

803

50

83

1000

WFD-2405

18-36

+/5

+/-800

422

25

79

1000

WFD-2409

18-36

+/-9

+/-444

420

30

79

1000

WFD-2412

18-36

+/-12

+/-335

402

25

83

1000

WFD-2415

18-36

+/-15

+/-267

402

25

83

1000

WFD-4805

36-72

+/5

+/-800

201

15

83

1000

WFD-4809

36-72

+/-9

+/-444

201

15

83

1000

WFD-4812

36-72

+/-12

+/-335

201

15

83

1000

WFD-4815

36-72

+/-15

+/-267

201

15

83

1000

05-1-WF-SCHEMATIC-1
05-1-WF-SCHEMATIC-2
05-2-WF-DIMENSIONS
05-3-WF-FOOTPRINT

8W SINGLE OUTPUT

Model No

INPUT VOLTAGE
 (DC)

OUTPUT VOLTAGE
 (DC)

OUTPUT CURRENT (mA)

INPUT CURRENT(mA)

EFF
(%)

ISOLATION
(VDC)

FULL LOAD

NO LOAD

WFS-1203.3

9-18

3.3

2000

753

50

73

1000

WFS-1205

9-18

5

1600

888

50

75

1000

WFS-1209

9-18

9

888

813

50

82

1000

WFS-1212

9-18

12

670

813

50

82

1000

WFS-1215

9-18

15

533

803

50

83

1000

WFS-2403.3

18-36

3.3

2000

367

25

75

1000

WFS-2405

18-36

5

1600

422

25

79

1000

WFS-2409

18-36

9

888

402

25

83

1000

WFS-2412

18-36

12

670

402

25

83

1000

WFS-2415

18-36

15

533

402

25

83

1000

WFS-4803.3

36-72

3.3

2000

183

15

75

1000

WFS-4805

36-72

5

1600

210

15

79

1000

WFS-4809

36-72

9

888

201

15

83

1000

WFS-4812

36-72

12

670

201

15

83

1000

WFS-4815

36-72

15

533

201

15

83

1000

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