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http://www.union-ic.com Rev.04 Feb.2014

10/12

UM153xx/UM154xx

UM153xxY SOT89-3

Outline Drawing

D1

D

e

e1

b

b1

A

c

DIMENSIONS

Symbol

MILLIMETERS

INCHES

Min

Max

Min

Max

A

1.400

1.600

0.055

0.063

b

0.320

0.520

0.013

0.020

b1

0.400

0.580

0.016

0.023

c

0.350

0.440

0.014

0.017

D

4.400

4.600

0.173

0.181

D1

1.55REF

0.061REF

E

2.300

2.600

0.091

0.102

E1

3.940

4.250

0.155

0.167

e

1.5TYP

0.06TYP

e1

3 TYP

0.118 TYP

L

0.900

1.200

0.035

0.047

Land Pattern

1.7

0.4

0.9

1.5

NOTES:

1. Compound dimension: 4.5×2.45；

2. Unit: mm;

3. General tolerance ±0.05mm unless otherwise

specified;

4. The layout is just for reference.

Tape and Reel Orientation

5XX