http://www.littelfuse.com

M2 - 6

©2004 Littelfuse, Inc.

+1 972-580-7777

Thyristor Product Catalog

Lead Form Dimensions

Data Sheets

TO-220 Type 56 — R or L Package

Replaces G.E. Type 6, Motorola Lead Form 3, RCA 6221

TO-220 Type 57 — R Package

Similar to TO-66, Gate-Cathode Reversed

TO-220 Type 58 — R or L Package

TO-220 Type 59 — R or L Package

Dimension

Inches

Millimeters

MIN

MAX

MIN

MAX

A

0.570

0.590

14.48

14.99

B

0.120

0.130

3.05

3.30

C

0.172

0.202

4.37

5.13

Dimension

Inches

Millimeters

MIN

MAX

MIN

MAX

A

0.040

0.070

1.02

1.78

B

0.570

0.590

14.48

14.99

C

0.340

0.422

8.64

10.72

Mounting Tab

Common to

MT2 / Anode

for Non-isolated

R Package

MT1 / Cathode

A

C

MT2 / Anode

Gate / Trigger

MT2 / Anode

B

MT1 / Cathode

C

Gate

MT2 / Anode

B

A

Dimension

Inches

Millimeters

MIN

MAX

MIN

MAX

A

0.175

4.45

B

0.542

0.582

13.77

14.78

C

0.167

0.207

4.24

5.26

D

0.355

0.395

9.02

10.03

Dimension

Inches

Millimeters

MIN

MAX

MIN

MAX

A

0.685

0.725

17.40

18.42

B

0.558

0.598

14.17

15.19

C

0.375

9.53

D

0.250

6.35

Mounting Tab

Common to

MT2 / Anode

for Non-isolated

R Package

MT1 / Cathode

Gate

MT2 / Anode

A

D

C

B

MT2 / Anode

Mounting Tab

Common to

MT2 / Anode

for Non-isolated

R Package

MT1 / Cathode

Gate

D

C

B

MT2 / Anode

MT2 /

Anode

A