© 2005 Microchip Technology Inc.

DS21435F-page 13

TC55

3-Lead Plastic Small Outline Transistor (MB) (SOT89)

0.56

0.44

.022

.017

B

Lead 2 Width

0.44

0.35

.017

.014

c

Lead Thickness

1.83

1.62

.072

.064

D1

Tab Length

4.60

4.40

.181

.173

D

Overall Length

2.29

2.13

.090

.084

E1

Molded Package Width at Top

4.25

3.94

.167

.155

H

Overall Width

1.60

1.40

.063

.055

A

Overall Height

3.00 BSC

.118 BSC

p1

Outside lead pitch (basic)

1.50 BSC

.059 BSC

p

Pitch

MAX

MIN

MAX

MIN

Dimension Limits

MILLIMETERS*

INCHES

Units

exceed .005" (0.127mm) per side.

Dimensions D and E1 do not include mold flash or protrusions. Mold flash or protrusions shall not

Notes:

JEDEC Equivalent: TO-243

Drawing No. C04-29

*Controlling Parameter

Foot Length

L

.035

.047

0.89

1.20

Leads 1 & 3 Width

B1

.014

.019

0.36

0.48

Molded Package Width at Base

E

.090

.102

2.29

2.60

D1

H

L

B1

B

B1

p

p1

E

C

A

D

1

2

3

E1