KMP_78253C_F01 Page 3 of 7

78253 Series

MAX253 Compatible Converter Transformers

www.murata.com

PACKAGE SPECIFICATIONS

MECHANICAL DIMENSIONS

RECOMMENDED FOOTPRINT DETAILS

6 Pin DIL

6 Pin SM

0.135±0.02

(3.44±0.50)

0.25

(6.35)

0.354

(9.0) MAX

0.375

(9.52) MAX

0.012(0.30)

0.008(0.20)

0.40

(10.16)

0.1 (2.54)

0.025 (0.63)

0.021 (0.53)

0.354

(9.0) MAX

0.375

(9.52) MAX

0.5

(12.70)

0.025 (0.63)

0.021 (0.53)

0.1

(2.54)

0.035

(0.90)

0.012 0.30

(0.008 0.20)

0.25

(6.35)

78253/55MC

XYYWW

78253/35C

XYYWW

Primary

Secondary

Primary

Secondary

1

2

3

6

4

5

1

2

3

6

4

5

0.10 (2.54)

0.10 (2.54)

Ø0.05 (1.20) +0.006 (0.15)

-0.000 (0.00)

0.45

(11.50)

0.10 (2.54)

0.04

(1.00)

0.06 (1.60)

6 Pin DIL

6 Pin SM

Unless otherwise stated all dimensions in inches (mm) ±0.01 (0.25).

All pins on a 0.1 (2.54) pitch and within ±0.01 (0.25) of true position.

Package weight 1.0g Typ.

0.10 (2.54)

0.10 (2.54)

Ø0.05 (1.20) +0.006 (0.15)

-0.000 (0.00)

0.45

(11.50)

0.10 (2.54)

0.04

(1.00)

0.06 (1.60)

Unless otherwise stated all dimensions in inches (mm) ±0.01 (0.25).

All pins on a 0.1 (2.54) pitch and within ±0.01 (0.25) of true position.

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