6/7

STW18NB40/STH18NB40FI

DIM.

mm

inch

MIN.

TYP.

MAX.

MIN.

TYP.

MAX.

A

5.35

5.65

0.211

0.222

C

3.30

3.80

0.130

0.150

D

2.90

3.10

0.114

0.122

D1

1.88

2.08

0.074

0.082

E

0.75

0.95

0.030

0.037

F

1.05

1.25

0.041

0.049

F2

1.50

1.70

0.059

0.067

F3

1.90

2.10

0.075

0.083

G

10.80

11.20

0.425

0.441

H

15.80

16.20

0.622

0.638

L

9

0.354

L1

20.80

21.20

0.819

0.835

L2

19.10

19.90

0.752

0.783

L3

22.80

23.60

0.898

0.929

L4

40.50

42.50

1.594

1.673

L5

4.85

5.25

0.191

0.207

L6

20.25

20.75

0.797

0.817

N

2.1

2.3

0.083

0.091

R

4.6

0.181

DIA

3.5

3.7

0.138

0.146

P025C/A

ISOWATT218 MECHANICAL DATA

- Weight : 4.9 g (typ.)

- Maximum Torque (applied to mounting flange) Recommended: 0.8 Nm; Maximum: 1 Nm

- The side of the dissipator must be flat within 80

µm