© 2016 Littelfuse, Inc.

Specifications are subject to change without notice.

Revised: 06/14/16

20 / 25 Amp Standard SCRs

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

Part Number

Voltage

Gate Sensitivity

Type

Package

400V

600V

800V

1000V

Sxx20L

X

X

X

X

30mA

Standard SCR

TO-220L

Sxx25L

X

X

X

X

35mA

Standard SCR

TO-220L

Sxx25R

X

X

X

X

35mA

Standard SCR

TO-220R

Sxx25N

X

X

X

X

35mA

Standard SCR

TO-263

Note: xx = Voltage

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

Sxx20LTP

Sxx20L

2.2g

Tube

500 (50 per tube)

Sxx25LTP

Sxx25L

2.2g

Tube

500 (50 per tube)

Sxx25RTP

Sxx25R

2.2g

Tube

500 (50 per tube)

Sxx25NTP

Sxx25N

1.6g

Tube

500 (50 per tube)

Sxx25NRP

Sxx25N

1.6g

Embossed Carrier

500

Note: xx = Voltage