191

Revised: February 22, 2011

© 2011 Littelfuse, Inc.

Specifications are subject to change without notice.

Please refer to www.littelfuse.com for current information.

High Surge Current Protection

Dimensions — TO-218

Package

Type

Description

Packing Options

Quantity

Added

Suffix

Industry

Standard

M

TO-218 (ME)

Tube Pack

250(25 per

tube/10 tubes per

box)

N/A

N/A

Packing Options

C

D

H

G

F

B

A

E

U DIA.

P

PIN 3

J

PIN 2

PIN 1

M

N 3 Times

K

L

R

Q

W

Tab is

connected to

PIN 2

Dimensions

Inches

Millimeters

Min

Max

Min

Max

A

0.810

0.835

20.57

21.21

B

0.610

0.630

15.49

16.00

C

0.178

0.188

4.52

4.78

D

0.055

0.070

1.40

1.78

E

0.487

0.497

12.37

12.62

F

0.635

0.655

16.13

16.64

G

0.022

0.029

0.56

0.74

H

0.075

0.095

1.91

2.41

J

0.575

0.625

14.61

15.88

K

0.211

0.219

5.36

5.56

L

0.422

0.437

10.72

11.10

M

0.058

0.068

1,47

6.73

N

0.045

0.055

1.14

1.40

P

0.095

0.115

2.41

2.92

R

0.008

0.016

0.20

0.41

U

0.161

0.165

4.1

4.2

W

0.085

0.095

2.17

2.42

Notes:

Mold flash shall not exceed 0.13 mm per side.

Maximum torque to be applied to mounting tab is 8 in-lbs. (0.904 Nm).

Pin 3 has no connection.

Tab is non-isolated (connects to middle pin).

Tube Pack Specification — TO-218