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http://www.union-ic.com Rev.01 Jan.2015

8/11

UM803

Package Information

UM803 SOT323

Outline Drawing

b

D

PIN 1

e

e

Q1

c

Top View

End View

Side View

DIMENSIONS

Symbol

MILLIMETERS

INCHES

Min

Max

Min

Max

D

1.80

2.20

0.072

0.088

E

1.15

1.35

0.006

0.054

HE

1.80

2.40

0.072

0.050

b

0.25

0.40

0.010

0.016

e

0.65BSC

0.026BSC

Q1

0.10

0.40

0.004

0.016

A

0.80

1.10

0.032

0.044

A1

0.00

0.10

0.00

0.004

A2

0.80

1.00

0.032

0.040

c

0.10

0.18

0.004

0.007

L

0.10

0.30

0.004

0.012

L1

0.425TYP

0.017TYP

Land Pattern

0.65

0.65

0.5

NOTES:

1. Compound dimension: 2.00×1.25;

2. Unit: mm;

3.General tolerance

±0.05mm unless otherwise

specified;

4. The layout is just for reference.

Tape and Reel Orientation

XXX