Littelfuse Sxx10x Series Manual do Utilizador descarregar pdf (Página 4)

270

Revised: 09/23/13

Speciﬁcations are subject to change without notice.

Teccor

brand Thyristors

10 Amp Sensitive & Standard SCRs

Sxx10xSx & Sxx10x Series

Thermal Resistances

Symbol Parameter Value Unit

(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

(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

) -- (°C)

Ratio of I

/ I

= 25°C)

125

0.0

1.0

2.0

3.0

4.0

-40 -15 10 35 60 85 110

Junction Temperature (T

) -- (°C)

Ratio of I

/ I

= 25°C)

1 2 3 4 5 6 7 8 9 10 11

Sxx10xSx & Sxx10x Series 1
Thermal Resistances 4
Ratio of V 5
= 25°C) 5
Peak Surge (Non-repetitive) 6
On-state Current (I 6
) – Amps 6
Temperature 7
brand Thyristors 10

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