© 2016 Littelfuse, Inc.

Specifications are subject to change without notice.

Revised: 05/02/16

8 Amp Sensitive & Standard SCRs

Thermal Resistances

Symbol

Parameter

Value

Unit

R

θ(J-C)

Junction to case (AC)

Sxx08RSy

1.8

°C/W

Sxx08LSy

3.4

Sxx08VSy

2.1

Sxx08DSy

1.5

Sxx08R

1.8

Sxx08L

3.4

Sxx08V

2.0

Sxx08D

1.5

R

θ(J-A)

Junction to ambient

Sxx08RSy

40

°C/W

Sxx08LSy

65

Sxx08VSy

85

Sxx08R

40

Sxx08L

50

Sxx08V

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