cui.com

date 12/21/2021

│ page 7 of 10

CUI Inc

│ SERIES: VOF-550C │ DESCRIPTION: AC-DC POWER SUPPLY

Covered

units: mm [inch]

general tolerance: ±1.00 [±0.039]

pin 7,8 connector tightening torque: M4, 1.2N·m (max)

MECHANICAL DRAWING (CONTINUED)

Position

Screw Spec.

L

(max)

Torque

(max)

1 ~ 2

M3

4mm

0.4 N·m

3 ~ 6

M3

2mm

0.4 N·m

Note: Safety Class I integrations require the metal case to be securely fastened to protective

earth ground (

).

PIN-OUT

PIN

Function

Mating Connector

1

AC (L)

Housing: JST VHR or equivalent

Contact: JST SVH-21T-P1.1 or equivalent

2

NC

3

AC (N)

4

GND

Contact: JST SPS-21T-250

5

FAN+

CN5: Fan power output port

Housing: TKP 2502 or equivalent

Contact: TKP 8811 or equivalent

6

FAN-

7

+Vo

8

-Vo

9

ADJ

(Trim POT)

CN6: PS_ON signal input port (3-4)

5Vdc standby (1-2)

PIN

Function

Mating Connector

1

+5V

Housing: JST PHD-2*2Y

or equivalent

Contact: JST PHD-TE

or equivalent

2

GND

3

PS-ON

4

GND

CN2: remote sensing signal input port (1-2)

PG signal (3-4)

PIN

Function

Mating Connector

1

RS-

Housing: JST PHD-2*2Y

or equivalent

Contact: JST PHD-TE

or equivalent

2

RS+

3

GND

4

PG

Additional Resources: Product Page | 3D Model