cui.com

date

08/21/2012

│ page 3 of 4

CUI Inc

│ SERIES: VSK-S20 │ DESCRIPTION: AC-DC POWER SUPPLY

DERATING CURVES

Input Voltage (Vac)

100

80

60

50

40

20

70

85

100

125

210

225

240

264

Ambient Temperature (°C)

100

80

60

50

40

20

-40

-30 -25 -20

-10

0

10

50

60

70

1. output power vs. ambient temperature

2. output power vs. input voltage

(TYP)

70.0 2.756

6.0 0.236

23.5 0.925

BOTTOM VIEW

5

3

2

1

6

4

5.75 0.226

0.787

20.0

0.787

20.0

0.157

(3 PLCS)

4.0

0.157

(3 PLCS)

2.441

62.0

0.906

23.0

4.0

48.0 1.890

MECHANICAL DRAWING

MECHANICAL

parameter

conditions/description

min

typ

max

units

dimensions

2.75 x 1.89 x 0.92 (70.0 x 48.0 x 23.5 mm)

inch

case material

UL94V-0

PIN CONNECTIONS

PIN

FUNCTION

1

GND

2

AC(N)

3

AC(L)

4

Trim

5-Vo

6+Vo

units: mm [inches]

tolerance: ±0.5 [±0.02]