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Thyristors
8 Amp Sensitive & Standard SCRs
Sxx08xSx & Sxx08x Series
Agency Approval
Agency
Agency File Number
L Package: E71639
Main Features
Symbol
IT(RMS)
VDRM/ VRRM
IGT
Value
8
400 to 1000
0.2 to 15
Unit
A
V
mA
Additional Information
Datasheet
Resources
Samples
RoHS
Description
This Sxx08x SCR series is ideal for uni-directional switch
applications such as phase control, heating, motor speed
controls, converters/rectifiers and capacitive discharge
ignitions.
These SCRs have a low gate current trigger level of 0.2 to
15 mA at approximately 1.5V, with a sensitive version of
this series having a gate trigger current less than 500µA.
The sensitive gate SCR version is easily triggered by sense
coils, proximity switches, and microprocessors.
Features & Benefits
• Halogen Free and
RoHS compliant
• Glass – passivated
junctions
• Voltage capability up
to 1000 V
• S urge capability up
to 100 A at 60 Hz
half cycle
• L - Package is UL
recognized for 2500Vrms
Applications
Typical applications are capacitive discharge systems for
strobe lights, nailers, staplers and gas engine ignition. Also
AC control & rectification for power tools, home/brown
goods, white goods appliances and 2-wheeler rectifier/
battery regulators.
Internally constructed isolated packages are offered for
ease of heat sinking with highest isolation voltage.
Schematic Symbol
AK
G
© 2018 Littelfuse, Inc.
Specifications are subject to change without notice.
Revised: 01/16/18

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Thyristors
8 Amp Sensitive & Standard SCRs
Absolute Maximum Ratings — Sensitive SCRs
Symbol
Parameter
IT(RMS)
RMS on-state current
IT(AV) Average on-state current
ITSM Peak non-repetitive surge current
I2t I2t Value for fusing
di/dt Critical rate of rise of on-state current
IGTM
PG(AV)
Tstg
TJ
Peak gate current
Average gate power dissipation
Storage temperature range
Operating junction temperature range
Note: xx = voltage, y = sensitivity
Test Conditions
Sxx08LSy
Sxx08RSy/Sxx08NSy
Sxx08DSy
Sxx08VSy
TC = 80°C
TC = 95°C
Sxx08LSy
Sxx08RSy/Sxx08NSy
Sxx08DSy
Sxx08VSy
TC = 80°C
TC = 95°C
single half cycle; f = 50Hz;
TJ (initial) = 25°C
single half cycle; f = 60Hz;
TJ (initial) = 25°C
tp = 8.3 ms
f = 60 Hz ; TJ = 110°C
TJ = 110°C
TJ = 110°C
Value
8
5.1
83
100
41
70
1.6
0.4
-40 to 150
-40 to 110
Unit
A
A
A
A2s
A/μs
A
W
°C
°C
Absolute Maximum Ratings — Standard SCRs
Symbol
Parameter
IT(RMS)
RMS on-state current
IT(AV) Average on-state current
ITSM
I2t
di/dt
IGM
PG(AV)
Tstg
TJ
Note: xx = voltage
Peak non-repetitive surge current
I2t Value for fusing
Critical rate-of-rise of on-state current
Peak gate current
Average gate power dissipation
Storage temperature range
Operating junction temperature range
Test Conditions
Sxx08L
Sxx08R/Sxx08N
Sxx08D
Sxx08V
TC = 100°C
TC = 110°C
Sxx08L
Sxx08R/Sxx08N
Sxx08D
Sxx08V
TC = 100°C
TC = 110°C
single half cycle; f = 50Hz;
TJ (initial) = 25°C
single half cycle; f = 60Hz;
TJ (initial) = 25°C
tp = 8.3 ms
f = 60 Hz TJ = 125°C
TJ = 125°C
TJ = 125°C
Value
8
5.1
83
100
41
100
2
0.5
-40 to 150
-40 to 125
Unit
A
A
A
A2s
A/μs
A
W
°C
°C
© 2018 Littelfuse, Inc.
Specifications are subject to change without notice.
Revised: 01/16/18

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Thyristors
8 Amp Sensitive & Standard SCRs
Electrical Characteristics (TJ = 25°C, unless otherwise specified) – Sensitive SCRs
Symbol
Test Conditions
IGT
VGT
dv/dt
VGD
VGRM
IH
tq
tgt
VD = 6V RL = 100 Ω
VD = 6V RL = 100 Ω
VD = VDRM; RGK = 1kΩ; TJ = 110°C
VD = VDRM RL = 3.3 kΩ TJ = 110°C
IGR = 10μA
IT = 20mA (initial)
IT=2A; tp=50µs; dv/dt=5V/µs; di/dt=-30A/µs
IG = 2 x IGT PW = 15µs IT = 12A
Note: xx = voltage x = package
MAX.
MAX.
TYP.
MIN.
MIN.
MAX.
MAX.
TYP.
Sxx08xS1
50
4
75
3
Value
Sxx08xS2 Sxx08xS3
200 500
0.8
8
0.2
6
68
50 45
45
Sxx08x4
100
5
60
4
Electrical Characteristics (TJ = 25°C, unless otherwise specified) – Standard SCRs
Symbol
IGT
VGT
Test Conditions
VD = 12V RL = 60 Ω
VD = 12V RL = 60 Ω
dv/dt
VD = VDRM; gate open; TJ = 100°C
VD = VDRM; gate open; TJ = 125°C
VGD VD = VDRM RL = 3.3 kΩ TJ = 125°C
IH IT = 200mA (initial)
tq IT=2A; tp=50µs; dv/dt=5V/µs; di/dt=-30A/µs
tgt IG = 2 x IGT PW = 15µs IT = 16A
Note: xx = voltage x = package
400V
600V
800V
1000V
400V
600V
800V
MAX.
MAX.
MIN.
MIN.
MAX.
MAX.
TYP.
Value
Sxx08x
15
1.5
350
300
250
100
250
225
200
0.2
30
35
2
Static Characteristics
Symbol
Test Conditions
VTM
IDRM / IRRM
VDRM = VRRM
IT = 16A; tp = 380 µs
Sxx08xyy
TJ = 25°C
TJ = 110°C
TJ = 25°C
Sxx08x
TJ = 100°C
400 - 600V
400 - 600V
400 - 800V
1000V
400 - 800V
1000V
Note: xx = voltage, x = package, yy = sensitivity
TJ = 125°C
400 - 800V
MAX.
MAX.
Value
1.6
5
250
10
20
200
3000
500
Unit
μA
V
V/μs
V
V
mA
μs
μs
Unit
mA
V
V/μs
V
mA
μs
μs
Unit
V
μA
© 2018 Littelfuse, Inc.
Specifications are subject to change without notice.
Revised: 01/16/18

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Thyristors
8 Amp Sensitive & Standard SCRs
Thermal Resistances
Symbol
Parameter
Rθ(J-C)
Junction to case (AC)
Rθ(J-A)
Junction to ambient
Note: xx = voltage, y = sensitivity
Sxx08RSy / Sxx08NSy
Sxx08LSy
Sxx08VSy
Sxx08DSy
Sxx08R / S xx08N
Sxx08L
Sxx08V
Sxx08D
Sxx08RSy
Sxx08LSy
Sxx08VSy
Sxx08R
Sxx08L
Sxx08V
Value
1.8
3.4
2.1
1.5
1.8
3.4
2.0
1.5
40
65
85
40
50
70
Unit
°C/W
°C/W
Figure 1: N ormalized DC Gate Trigger Current
vs. Junction Temperature (Sensitive SCR)
4.0
Figure 2: N ormalized DC Gate Trigger Current
vs. Junction Temperature (Standard SCR)
4.0
3.0 3.0
2.0 2.0
1.0 1.0
0.0
-40
-15 10 35 60 85
Junction Temperature (TJ) - (°C)
110
0.0
-40
-15 10 35 60 85
Junction Temperature (TJ) - (°C)
110 125
© 2018 Littelfuse, Inc.
Specifications are subject to change without notice.
Revised: 01/16/18

No Preview Available !

Thyristors
8 Amp Sensitive & Standard SCRs
Figure 3: Normalized DC Gate Trigger Voltage
vs. Junction Temperature
2.0
1.5
1.0
0.5
0.0
-40 -15
10
35 60 85
Junction Temperature (TJ) - (°C)
110 125
Figure 5: On-State Current
vs. On-State Voltage (Typical)
32
TJ = 25°C
28
24
20
16
12
8
4
0
0.7 0.8 0.9 1.0 1.1 1.2 1.3
1.4
Instantaneous On-state Voltage (vT) – Volts
1.5
1.6
Figure 7: Maximum Allowable Case Temperature
vs. RMS On-State Current
130
125
120
Sxx08RSy/
115
SSxxxx008N8RSySy
Sxx08DSy
Sxx08VSy
110
105
SSxxxx0088R/RSxx08N
Sxx08D
Sxx08V
Sxx08L
100
95
90
CURRENT WAVEFORM: Sinusoidal
LOAD: Resistive or Inductive
85
Conduction Angle: 180°
FREE AIR RATING
Sxx08LSy
80
0 12 3 4 5 6 7
RMS On-State Current [IT(RMS)] - Amps
8
9
© 2018 Littelfuse, Inc.
Specifications are subject to change without notice.
Revised: 01/16/18
Figure 4: N ormalized DC Holding Current
vs. Junction Temperature
2.0
1.5
1.0
0.5
0.0
-40
-15 10
35 60 85
Junction Temperature (TJ) - (°C)
110 125
Figure 6: P ower Dissipation (Typical)
vs. RMS On-State Current
8
7
6
5
4
3
2
1
0
01 23 4 56 78
RMS On-State Current [IT(RMS)] - (Amps)
Figure 8: M aximum Allowable Case Temperature
vs. Average On-State Current
130
125
120
Sxx08RSy/
115
SSxxxx0088NRSySy
Sxx08DSy
110 Sxx08VSy
105
SSxxxx0088RR/Sxx08N
Sxx08D
Sxx08V
Sxx08L
100
95
90 CURRENT WAVEFORM: Sinusoidal
LOAD: Resistive or Inductive
85 Conduction Angle: 180°
FREE AIR RATING
Sx08LSy
80
01234
Average On-State Current [IT(AVE)] - Amps
5