17-Apr-07

Derating Curve

WR Series

Mechanical Details

Models and Ratings

Input

Output

Voltage

Output

Current

Efficiency

Model

Number

No Load

Full Load

9-18 VDC

3.3 VDC

1500 mA

25 mA

557 mA

74%

WR200

5.0 VDC

1500 mA

25 mA

801 mA

78%

WR201

12.0 VDC

625 mA

25 mA

762 mA

82%

WR202

15.0 VDC

500 mA

25 mA

762 mA

82%

WR203

±5.0 VDC

±750 mA

30 mA

791 mA

79%

WR204

±12.0 VDC

±310 mA

30 mA

753 mA

83%

WR205

±15.0 VDC

±250 mA

30 mA

753 mA

83%

WR206

18-36 VDC

3.3 VDC

1500 mA

20 mA

271 mA

76%

WR300

5.0 VDC

1500 mA

20 mA

396 mA

79%

WR301

12.0 VDC

625 mA

20 mA

381 mA

82%

WR302

15.0 VDC

500 mA

20 mA

381 mA

82%

WR303

±5.0 VDC

±750 mA

25 mA

386 mA

81%

WR304

±12.0 VDC

±310 mA

25 mA

377 mA

83%

WR305

±15.0 VDC

±250 mA

25 mA

377 mA

83%

WR306

36-72 VDC

3.3 VDC

1500 mA

10 mA

136 mA

76%

WR400

5.0 VDC

1500 mA

10 mA

195 mA

80%

WR401

12.0 VDC

625 mA

10 mA

190 mA

82%

WR402

15.0 VDC

500 mA

10 mA

190 mA

82%

WR403

±5.0 VDC

±750 mA

15 mA

193 mA

81%

WR404

±12.0 VDC

±310 mA

15 mA

188 mA

83%

WR405

±15.0 VDC

±250 mA

15 mA

188 mA

83%

WR406

Notes

1. Nominal input voltage is 12 VDC for WR2xx models, 24 VDC for WR3xx models and 48 VDC for WR4xx models.

2. Input current is at nominal input voltage.

0.02

(0.5)

0.18

(4.5)

0.10

(2.5)

1.25

(31.8)

0.4

(10.2)

0.15

(3.8)

23

22

2

3

9

10

11

16

15

14

0.60 (15.2)

0.80 (20.3)

-20 -10

0

10

20

30

40

50

60

70

80

90

100

20

40

60

80

100

Ambient Temperature (ºC)

0

PIN CONNECTIONS

Pin

Single Output

Dual Output

2

-V input

-V input

3

-V input

-V input

9

N/C

Common

10

N/C

N/C

11

N/C

-V output

14

+V output

+V output

15

N/C

N/C

16

-V output

Common

22

+V input

+V input

23

+V input

+V input

All dimensions are in inches (mm)

Weight: 0.08 lbs (35 g) approx.