M255 SERIES HOLD-UP POWER SUPPLY

Date: June 9, 2021

Rev (g)

Page 5 of 5

Pin Assignment

Connector type: M55302/61-A30 or eq.

Mates with: M55302/62-A30M or eq.

Pin No.

Pin Function

Polarity

8, 9, 10, 23, 24, 25

VIN

(+)

11, 12, 13, 26, 27

VIN RTN

(–)

16

SYNC

(+)

17

SYNC RTN

(–)

1

VIN FAIL

(+)

2

VIN FAIL RTN

(–)

4, 19

EXTERNAL CAPACITOR

(+)

3, 18

EXTERNAL CAPACITOR RTN

(–)

5, 6, 7, 20, 21, 22

OUTPUT TO CONVERTER

(+)

14, 15, 28, 29, 30

OUTPUT TO CONVERTER RTN

(–)

Outline Drawing

Notes

1.

Dimensions are in Inches [mm]

2.

Tolerance is:

.XX 0.01 IN

.XXX 0.005 IN

3.

Weight: Approx. 2.7 Oz (75 gr)

Note: Specifications are subject to change without prior notice by the manufacturer