Littelfuse Sxx25x Series - Manual (Page 2)

296
Revised: 09/23/13
©2013 Littelfuse, Inc
Specifications are subject to change without notice.
Teccor ® brand Thyristors
20 / 25 Amp Standard SCRs
Sxx20x & Sxx25x Series
Absolute Maximum Ratings — 25A SCR
Symbol Parameter Test Conditions Value Unit
I
T(RMS)
RMS on-state current
Sxx25L: T
C
=75°C
25 A
Sxx25R/Sxx25N: T
C
=100°C
I
T(AV)
Average on-state current
Sxx25L T
C
= 75°C
16.0 A
Sxx25R/Sxx25N T
C
= 100°C
I
TSM
Peak non-repetitive surge current
single half cycle; f = 50Hz;
T
J
(initial) = 25°C
300
A
single half cycle; f = 60Hz;
T
J
(initial) = 25°C
350
I 2 t I 2 t Value for fusing t
p
= 8.3 ms 510 A 2 s
di/dt Critical rate of rise of on-state current f = 60Hz ; T
J
= 125°C 150 A/μs
I
GM
Peak gate current T
J
= 125°C 3.5 A
P
G(AV)
Average gate power dissipation T
J
= 125°C 0.8 W
T
stg
Storage temperature range -40 to 150 °C
T
J
Operating junction temperature range -40 to 125 °C
Electrical Characteristics (T
J
= 25°C, unless otherwise specified)
Symbol Test Conditions
Value
Unit
Sxx20L Sxx25x
I
GT V
D
= 12V; R
L
= 30 :
MAX. 30 35
mA
MIN. 1 1
V
GT
MAX. 1.5 V
dv/dt
V
D
= V
DRM
; gate open; T
J
= 100°C
400V
MIN.
450
V/μs
600V 425
800V 400
1000V 200
V
D
= V
DRM
; gate open; T
J
= 125°C
400V 350
600V 325
800V 300
V
GD
V
D
= V
DRM
; R
L
= 3.3 k :; T
J
= 125°C MIN. 0.2 V
I
H
I
T
= 400mA (initial) MAX. 40 50 mA
t
q
(1) MAX. 35 μs
t
gt
I
G
= 2 x I
GT
; PW = 15μs; I
T
= 40A TYP. 2 μs
Notes :
xx = voltage, x = package
(1) I
T
=2A; t
p
=50μs; dv/dt=5V/μs; di/dt=-30A/μs