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Teccor® brand Thyristors
35 Amp Standard SCRs
Sxx35x Series
RoHS
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
• RoHS compliant
• Glass – passivated
junctions
Typical applications are AC solid-state switches, industrial
power tools, exercise equipment, white goods and
commercial appliances.
Agency File Number
J & K Packages: E71639
®
• Surge capability up to
500 A
Applications
Agency Approval
Agency
• Voltage capability up
to 1000 V
Internally constructed isolated packages are offered for
ease of heat sinking with highest isolation voltage.
Main Features
Schematic Symbol
Symbol
IT(RMS)
VDRM /VRRM
IGT
Value
Unit
35
A
400 to 1000
V
40
mA
A
K
G
Absolute Maximum Ratings
Parameter
Test Conditions
Value
Unit
IT(RMS)
Symbol
RMS on-state current
TC = 95°C
35
A
IT(AV)
Average on-state current
TC = 95°C
22.0
A
single half cycle; f = 50Hz;
TJ (initial) = 25°C
425
single half cycle; f = 60Hz;
TJ (initial) = 25°C
500
I2t Value for fusing
tp = 8.3 ms
1035
A2s
Critical rate of rise of on-state current
f = 60Hz ; TJ = 125°C
150
A/μs
Peak gate current
TJ = 125°C
3.5
A
Average gate power dissipation
TJ = 125°C
0.8
W
Storage temperature range
-40 to 150
°C
Operating junction temperature range
-40 to 125
°C
ITSM
I 2t
di/dt
IGM
PG(AV)
Tstg
TJ
Peak non-repetitive surge current
A
© 2014 Littelfuse, Inc.
Specifications are subject to change without notice.
Revised: 12/14/14
Teccor® brand Thyristors
35 Amp Standard SCRs
Electrical Characteristics (TJ = 25°C, unless otherwise specified)
Symbol
IGT
Test Conditions
Value
VD = 12V; RL = 30Ω
VGT
MAX.
40
MIN.
5
MAX.
VD = VDRM; gate open; TJ = 100°C
450
600V
425
800V
VD = VDRM; gate open; TJ = 125°C
mA
1.5
400V
V
400
1000V
dv/dt
Unit
MIN.
200
400V
350
600V
325
800V
300
V/μs
VGD
VD = VDRM; RL = 3.3 kΩ; TJ = 125°C
MIN.
0.2
V
IH
IT = 400mA (initial)
MAX.
50
mA
tq
(1)
MAX.
35
μs
tgt
IG = 2 x IGT; PW = 15µs; IT = 70A
TYP.
2
μs
Notes :
(1) IT=2A; tp=50µs; dv/dt=5V/µs; di/dt=-30A/µs
Static Characteristics
Symbol
Test Conditions
VTM
IT = 70A; tp = 380μs
TJ = 25°C
IDRM / IRRM
VDRM / VRRM
TJ = 100°C
TJ = 125°C
MAX.
Value
Unit
1.8
V
400 – 600V
10
800 – 1000V
20
400 – 600V
1000
800V
1500
MAX.
1000V
3000
400 – 600V
2000
800V
3000
μA
Thermal Resistance
Symbol
Rθ(J-C)
Parameter
Value
Unit
Junction to case (AC)
0.7
°C/W
Additional Information
Datasheet
Resources
© 2014 Littelfuse, Inc.
Specifications are subject to change without notice.
Revised: 12/14/14
Samples
Teccor® brand Thyristors
35 Amp Standard SCRs
Figure 1: Normalized DC Gate Trigger Current
vs. Junction Temperature
Figure 2: Normalized DC Gate Trigger Voltage
vs. Junction Temperature
2.0
Ratio of VGT / VGT (TJ = 25°C)
Ratio of IGT / IGT (TJ = 25°C)
2.0
1.5
1.0
0.5
1.0
0.5
0.0
0.0
-40
-15
10
35
60
Junction Temperature (TJ) -- (°C)
85
110
-40
125
Figure 3: Normalized DC Holding Current
vs. Junction Temperature
-15
35
60
85
110
125
Figure 4: O
n-State Current vs. On-State
Voltage (Typical)
120
Instantaneous On-state Current (iT) – Amps
1.5
1.0
0.5
TJ = 25°C
100
80
60
40
20
0
0.0
-40
-15
10
35
60
85
110
0.7
125
0.8
Junction Temperature (TJ) -- (°C)
0.9
1.0
1.1
1.2
1.3
1.4
1.5
1.6
Instantaneous On-state Voltage (vT) – Volts
Figure 5: Power Dissipation (Typical)
vs. RMS On-State Current
Figure 6: M
aximum Allowable Case Temperature
vs. RMS On-State Current
130
30
125
25
Maximum Allowable Case
Temperature (TC) - °C
Average On-State Power Dissipation
[PD(AV)] - (Watts)
10
Junction Temperature (TJ) -- (°C)
2.0
Ratio of IH / IH (TJ = 25°C)
1.5
20
15
10
5
120
115
110
105
100
95
90
CURRENT WAVEFORM: Sinusoidal
LOAD: Resistive or Inductive
CONDUCTION ANGLE: 180°
85
80
0
0
5
10
15
20
25
RMS On-State Current [IT(RMS)] - (Amps)
30
35
0
5
10
15
20
25
30
35
40
RMS On-State Current [IT(RMS)] - Amps
© 2014 Littelfuse, Inc.
Specifications are subject to change without notice.
Revised: 12/14/14
Teccor® brand Thyristors
35 Amp Standard SCRs
Figure 7: Maximum Allowable Case Temperature vs.
Average On-State Current
Figure 8: Peak Capacitor Discharge Current
130
1000
Peak Discharge Current (ITM) - Amps
Maximum Allowable Case
Temperature (TC) - °C
125
120
115
110
105
100
95
90
CURRENT WAVEFORM: Sinusoidal
LOAD: Resistive or Inductive
CONDUCTION ANGLE: 180°
85
5
10
ITRM
tW
80
0
100
15
20
10
25
Average On-State Current [IT(AVE)] - Amps
0.5
1.0
10.0
Pulse Current Duration (tw) - ms
Figure 9: Peak Capacitor Discharge Current Derating
1.2
Normalized Peak Current
1.0
0.8
0.6
0.4
0.2
0.0
0
25
50
75
100
125
150
Case Temperature (TC) - °C
Figure 10: Surge Peak On-State Current vs. Number of Cycles
Peak Surge (Non-repetitive)
On-state Current (ITSM) – Amps
1000
SUPPLY FREQUENCY: 60 Hz Sinusoidal
LOAD: Resistive
RMS On-State Current: [IT(RMS)]: Maximum Rated
Value at Specified Case Temperature
Notes:
1. G
ate control may be lost during and immediately
following surge current interval.
2. Overload may not be repeated until junction
temperature has returned to steady-state
rated value.
100
10
1
10
100
Surge Current Duration -- Full Cycles
© 2014 Littelfuse, Inc.
Specifications are subject to change without notice.
Revised: 12/14/14
1000
50.0
Teccor® brand Thyristors
35 Amp Standard SCRs
Soldering Parameters
Pb – Free assembly
Pre Heat
- Temperature Min (Ts(min))
150°C
- Temperature Max (Ts(max))
200°C
- Time (min to max) (ts)
60 – 180 secs
Average ramp up rate (Liquidus Temp)
(TL) to peak
5°C/second max
TS(max) to TL - Ramp-up Rate
5°C/second max
Reflow
- Temperature (TL) (Liquidus)
217°C
- Temperature (tL)
60 – 150 seconds
Peak Temperature (TP)
260+0/-5 °C
Time within 5°C of actual peak
Temperature (tp)
20 – 40 seconds
Ramp-down Rate
5°C/second max
Time 25°C to peak Temperature (TP)
8 minutes Max.
Do not exceed
280°C
Physical Specifications
Terminal Finish
100% Matte Tin-plated
Body Material
UL recognized epoxy meeting flammability
classification 94V-0
Lead Material
Copper Alloy
tP
TP
Temperature
Reflow Condition
Ramp-up
TL
tL
TS(max)
Preheat
TS(min)
25
Ramp-do
Ramp-down
tS
time to peak temperature
Time
Environmental Specifications
Test
AC Blocking
Temperature Cycling
Temperature/
Humidity
Design Considerations
High Temp Storage
Careful selection of the correct device for the application’s
operating parameters and environment will go a long way
toward extending the operating life of the Thyristor. Good
design practice should limit the maximum continuous
current through the main terminals to 75% of the device
rating. Other ways to ensure long life for a power discrete
semiconductor are proper heat sinking and selection of
voltage ratings for worst case conditions. Overheating,
overvoltage (including dv/dt), and surge currents are
the main killers of semiconductors. Correct mounting,
soldering, and forming of the leads also help protect
against component damage.
Low-Temp Storage
Thermal Shock
Autoclave
Specifications and Conditions
MIL-STD-750, M-1040, Cond A Applied
Peak AC voltage @ 125°C for 1008 hours
MIL-STD-750, M-1051,
100 cycles; -40°C to +150°C;
15-min dwell-time
EIA / JEDEC, JESD22-A101
1008 hours; 320V - DC: 85°C;
85% rel humidity
MIL-STD-750, M-1031,
1008 hours; 150°C
1008 hours; -40°C
MIL-STD-750, M-1056
10 cycles; 0°C to 100°C; 5-min dwelltime
at each temperature; 10 sec (max) transfer
time between temperature
EIA / JEDEC, JESD22-A102
168 hours (121°C at 2 ATMs) and
100% R/H
Resistance to
Solder Heat
MIL-STD-750 Method 2031
Solderability
ANSI/J-STD-002, category 3, Test A
Lead Bend
MIL-STD-750, M-2036 Cond E
© 2014 Littelfuse, Inc.
Specifications are subject to change without notice.
Revised: 12/14/14
Teccor® brand Thyristors
35 Amp Standard SCRs
Dimensions – TO- 218X (J Package) — Isolated Mounting Tab
C
B
Tc
Measurement
Point
D
U (diameter)
A
Dimension
A
B
C
D
E
F
G
H
J
K
L
M
N
P
R
S
T
U
V
W
X
Y
Z
F
E Z
CATHODE
X
W
GATE
N
J
R
S
P
T
M
Y
K
G
ANODE
H
L
V
Note: Maximum torque to
be applied to mounting tab
is 8 in-lbs. (0.904 Nm).
Inches
Millimeters
Min
Max
Min
Max
0.810
0.610
0.178
0.055
0.487
0.635
0.022
0.075
0.575
0.256
0.220
0.080
0.169
0.034
0.113
0.086
0.156
0.164
0.603
0.000
0.003
0.028
0.085
0.835
0.630
0.188
0.070
0.497
0.655
0.029
0.095
0.625
0.264
0.228
0.088
0.177
0.042
0.121
0.096
0.166
0.165
0.618
0.005
0.012
0.032
0.095
20.57
15.49
4.52
1.40
12.37
16.13
0.56
1.91
14.61
6.50
5.58
2.03
4.29
0.86
2.87
2.18
3.96
4.10
15.31
0.00
0.07
0.71
2.17
21.21
16.00
4.78
1.78
12.62
16.64
0.74
2.41
15.88
6.71
5.79
2.24
4.49
1.07
3.07
2.44
4.22
4.20
15.70
0.13
0.30
0.81
2.42
Dimensions – TO- 218AC (K Package) — Isolated Mounting Tab
Dimension
Tc Measurement Point
U (diameter)
B
C
D
A
F
E
W
GATE
P
J
CATHODE
M
ANODE
Q
R
H
G
N
K
L
© 2014 Littelfuse, Inc.
Specifications are subject to change without notice.
Revised: 12/14/14
Note: Maximum torque
to be applied to mounting
tab is 8 in-lbs. (0.904 Nm).
A
B
C
D
E
F
G
H
J
K
L
M
N
P
Q
R
U
W
Inches
Millimeters
Min
Max
Min
Max
0.810
0.610
0.178
0.055
0.487
0.635
0.022
0.075
0.575
0.211
0.422
0.058
0.045
0.095
0.008
0.008
0.164
0.085
0.835
0.630
0.188
0.070
0.497
0.655
0.029
0.095
0.625
0.219
0.437
0.068
0.055
0.115
0.016
0.016
0.165
0.095
20.57
15.49
4.52
1.40
12.37
16.13
0.56
1.91
14.61
5.36
10.72
1.47
1.14
2.41
0.20
0.20
4.10
2.17
21.21
16.00
4.78
1.78
12.62
16.64
0.74
2.41
15.88
5.56
11.10
1.73
1.40
2.92
0.41
0.41
4.20
2.42
Teccor® brand Thyristors
35 Amp Standard SCRs
Product Selector
Voltage
Part Number
400V
600V
800V
1000V
Sxx35K
X
X
X
X
Sxx35J
X
X
X
Gate Sensitivity
Type
Package
40mA
Standard SCR
TO-218AC
40mA
Standard SCR
TO-218X
Note: xx = Voltage
Packing Options
Part Number
Marking
Weight
Packing Mode
Base Quantity
Sxx35KTP
Sxx35K
4.40g
Tube
250 (25 per tube)
Sxx35JTP
Sxx35J
5.23g
Tube
250 (25 per tube)
Note: xx = Voltage
Part Numbering System
S 60 35 K
DEVICE TYPE
S: SCR
VOLTAGE RATING
40: 400V
60: 600V
80: 800V
K0: 1000V
CURRENT RATING
35: 35A
Part Marking System
81
TO-218 AC - (K Package)
TO-218 X - (J Package)
Lead Form Dimensions
xx: Lead Form Option
SENSITIVITY & TYPE
[blank]: 40mA
S6035K
®
PACKAGE TYPE
K: TO-218AC (Isolated)
J: TO-218X (Isolated)
YMLXX
Date Code Marking
Y:Year Code
M: Month Code
L: Location Code
XX: Lot Serial Code
© 2014 Littelfuse, Inc.
Specifications are subject to change without notice.
Revised: 12/14/14
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