Revised: 01/16/18

Specifications are subject to change without notice.

©2018 Littelfuse, Inc

Thyristors

20 / 25 Amp Standard SCRs

Sxx20x & Sxx25x Series

Dimension

Inches

Millimeters

Min

Max

Min

Max

A

0.360

0.370

9.14

9.40

B

0.380

0.420

9.65

10.67

C

0.178

0.188

4.52

4.78

D

0.025

0.035

0.64

0.89

E

0.045

0.060

1.14

1.52

F

0.060

0.075

1.52

1.91

G

0.095

0.105

2.41

2.67

H

0.092

0.102

2.34

2.59

J

0.018

0.024

0.46

0.61

K

0.090

0.110

2.29

2.79

S

0.590

0.625

14.99

15.88

V

0.035

0.045

0.89

1.14

U

0.002

0.010

0.05

0.25

W

0.040

0.070

1.016

1.78

Product Selector

G

B

A

W

D

F

V

S

CATHODE

ANODE

T

C

E

K

H

J

U

.320

8.13

.276

7.01

.331

8.41

GATE

.460

11.68

.665

16.89

.260

6.60

.150

3.81

.080

2.03

.085

2.16

.055

1.40

.350

8.89

.276

7.01

.276

7.01

AREA: 0.11 in 2

Packing Options

Part Number

Marking

Weight

Packing Mode

Base Quantity

SJxx20LxTP

SJxx20Lx

2.2g

Tube

500 (50 per tube)

SJxx20RxTP

SJxx20Rx

2.2g

Tube

500 (50 per tube)

SJxx20NxTP

SJxx20Nx

1.6g

Tube

500 (50 per tube)

SJxx20NxRP

SJxx20Nx

1.6g

Embossed Carrier

500

Note: xx=voltage/10, x=sensitivity

20 Amps High Junction Temperature SCRs

Part Number

Voltage

Gate Sensitivity

Type

Package

400V

600V

SJxx20L

X

X

35mA

Standard SCR

TO-220L

SJxx20R

X

X

35mA

Standard SCR

TO-220R

SJxx20N

X

X

35mA

Standard SCR

TO-263

SJxx20L1

X

X

6mA

Standard SCR

TO-220L

SJxx20R1

X

X

6mA

Standard SCR

TO-220R

SJxx20N1

X

X

6mA

Standard SCR

TO-263

SJxx20L2

X

X

10mA

Standard SCR

TO-220L

SJxx20R2

X

X

10mA

Standard SCR

TO-220R

SJxx20N2

X

X

10mA

Standard SCR

TO-263

Note: xx = Voltage/10

SJxx20xx Series