244

Revised: July 29, 2010 09:54 AM

©2010 Littelfuse, Inc

Specifications are subject to change without notice.

Please refer to http://www.littelfuse.com for current information.

10 Amp Sensitive & Standard SCRs

Sxx10xSx & Sxx10x Series

Thermal Resistances

Symbol

Parameter

Value

Unit

R

(J-C)

Junction to case (AC)

Sxx10RSy

1.6

°C/W

Sxx10LSy

3.0

Sxx10VSy

1.7

Sxx10DSy

1.45

Sxx10R

1.6

Sxx10L

3.0

Sxx10V

1.7

Sxx10D

1.45

R

(J-A)

Junction to ambient

Sxx10RSy

40

°C/W

Sxx10LSy

65

Sxx10VSy

85

Sxx10R

40

Sxx10L

50

Sxx10V

70

Note: xx = voltage, y = sensitivity

Figure 1: Normalized DC Gate Trigger Current

vs. Junction Temperature (Sensitive SCR)

Figure 2: Normalized DC Gate Trigger Current

vs. Junction Temperature (Standard SCR)

0.0

1.0

2.0

3.0

4.0

-40

-15

10

35

60

85

110

Junction Temperature (T

125

0.0

1.0

2.0

3.0

4.0

-40

-15

10

35

60

85

110

Junction Temperature (T