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Littelfuse Sxx25x Series User Manual

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295
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
Sxx20x & Sxx25x Series
Description
Excellent unidirectional switches for phase control
applications such as heating and motor speed controls.
Standard phase control SCRs are triggered with few
milliamperes of current at less than 1.5V potential.
Features & Benefits
t3P)4DPNQMJBOU
t(MBTToQBTTJWBUFE
junctions
t7PMUBHFDBQBCJMJUZVQ
to 1000 V
t4VSHFDBQBCJMJUZVQUP
350 A
Schematic Symbol
Main Features
Symbol Value Unit
I
T(RMS)
20 & 25 A
V
DRM
/V
RRM
400 to 1000 V
I
GT
30 to 35 mA
Absolute Maximum Ratings — 20A SCR
Symbol Parameter Test Conditions Value Unit
I
T(RMS)
RMS on-state current T
C
= 80°C 20 A
I
T(AV)
Average on-state current Sxx20x T
C
= 80°C 12.8 A
I
TSM
Peak non-repetitive surge current
single half cycle; f = 50Hz;
T
J
(initial) = 25°C
255
A
single half cycle; f = 60Hz;
T
J
(initial) = 25°C
300
I
2
tI
2
t Value for fusing t
p
= 8.3 ms 374 A
2
s
di/dt Critical rate of rise of on-state current
f = 60Hz ; T
J
= 125°C
125 A/s
I
GM
Peak gate current
T
J
= 125°C
3A
P
G(AV)
Average gate power dissipation
T
J
= 125°C
0.6 W
T
stg
Storage temperature range -40 to 150 °C
T
J
Operating junction temperature range -40 to 125 °C
Applications
Typical applications are AC solid-state switches, industrial
power tools, exercise equipment, white goods and
commercial appliances.
Internally constructed isolated packages are offered for
ease of heat sinking with highest isolation voltage.
AK
G
Agency Approval
Agency Agency File Number
®
L Package: E71639
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Summary of Contents

Page 1 - Sxx20x & Sxx25x Series

295Revised: 09/23/13©2013 Littelfuse, IncSpecifications are subject to change without notice. Teccor® brand Thyristors20 / 25 Amp Standard SCRsSxx20x &

Page 2 - brand Thyristors

296Revised: 09/23/13©2013 Littelfuse, IncSpecifications are subject to change without notice. Teccor® brand Thyristors20 / 25 Amp Standard SCRsSxx20x &

Page 3 - 20 / 25 Amp Standard SCRs

297Revised: 09/23/13©2013 Littelfuse, IncSpecifications are subject to change without notice. Teccor® brand Thyristors20 / 25 Amp Standard SCRsSxx20x &

Page 4

298Revised: 09/23/13©2013 Littelfuse, IncSpecifications are subject to change without notice. Teccor® brand Thyristors20 / 25 Amp Standard SCRsSxx20x &

Page 5

299Revised: 09/23/13©2013 Littelfuse, IncSpecifications are subject to change without notice. Teccor® brand Thyristors20 / 25 Amp Standard SCRsSxx20x &

Page 6

300Revised: 09/23/13©2013 Littelfuse, IncSpecifications are subject to change without notice. Teccor® brand Thyristors20 / 25 Amp Standard SCRsSxx20x &

Page 7

301Revised: 09/23/13©2013 Littelfuse, IncSpecifications are subject to change without notice. Teccor® brand Thyristors20 / 25 Amp Standard SCRsSxx20x &

Page 8

302Revised: 09/23/13©2013 Littelfuse, IncSpecifications are subject to change without notice. Teccor® brand Thyristors20 / 25 Amp Standard SCRsSxx20x &

Page 9 - S 60 20 56

303Revised: 09/23/13©2013 Littelfuse, IncSpecifications are subject to change without notice. Teccor® brand Thyristors20 / 25 Amp Standard SCRsSxx20x &

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