Littelfuse Sxx25x Series Manual de usuario descargar pdf (Pagina 3)

297

Revised: 09/23/13

Speciﬁcations are subject to change without notice.

Teccor

brand Thyristors

20 / 25 Amp Standard SCRs

Sxx20x & Sxx25x Series

Static Characteristics

Symbol Test Conditions Value Unit

20A Device I

= 40A; t

= 380s

MAX. 1.6 V

25A Device I

= 50A; t

= 380s

DRM

/ I

RRM

DRM

/ V

RRM

= 25°C

o7

MAX.

A

o7 20

= 100°C

o7 500

800V 1000

1000V 3000

= 125°C

o7 1000

800V 2000

Thermal Resistances

Symbol Parameter Value Unit

(J-C)

Junction to case (AC)

Sxx25R /

Sxx25N

1. 0

°C/W

Sxx20L 2.4

Sxx25L 2.35

(J-A)

Junction to ambient

Sxx25R 40

°C/W

Sxx20L

/ Sxx25L

Note: xx = voltage

Figure 1: Normalized DC Gate Trigger Current

vs. Junction Temperature

Figure 2: Normalized DC Gate Trigger Voltage

vs. Junction Temperature

125

0.0

0.5

1.0

1.5

2.0

-40 -15 10 35 60 85 110

Junction Temperature (T

) – (ºC)

Ratio of I

/ I

= 25ºC)

125

0.0

0.5

1.0

1.5

2.0

-40 -15 10 35 60 85 110

Junction Temperature (T

) – (ºC)

Ratio of V

/ V

= 25ºC)

1 2 3 4 5 6 7 8 9

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