Teccor® brand Thyristors
AK
12 Amp Standard SCRs
Sxx12x Series
Agency Approval
Agency Agency File Number
®
Main Features
Symbol Value Unit
I
T(RMS)
V
DRM/VRRM
I
GT
L Package: E71639
12 A
400 to 1000 V
20 mA
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
• Voltage capability up
to 1000 V
• Surge capability up to
120 A
Applications
Typical applications are capacitive discharge systems for
strobe lights, nailers, staplers and gas engine ignition. Also
controls for power tools, home/brown goods and white
goods appliances.
Internally constructed isolated packages are offered for
ease of heat sinking with highest isolation voltage.
Schematic Symbol
G
Absolute Maximum Ratings
Symbol Parameter Test Conditions Value Unit
I
T(RMS)
I
T(AV)
I
TSM
2
t I2t Value for fusing
I
di/dt Critical rate of rise of on-state current
I
GM
P
G(AV)
T
stg
T
J
Note: xx = voltage
Sxx12x Series
RMS on-state current
Average on-state current
Peak non-repetitive surge current
(single half cycle, TJ (initial) = 25°C)
Peak gate current
Average gate power dissipation
Storage temperature range -40 to 150
Operating junction temperature range -40 to 125
Sxx12L T
Sxx12R
Sxx12D
Sxx12V
Sxx12L T
Sxx12R
Sxx12D
Sxx12V
Sxx12L
Sxx12R
Sxx12D
Sxx12V
Sxx12L
Sxx12R
Sxx12D
Sxx12V
f = 60Hz; T
T
= 125°C
J
T
= 125°C
J
1
= 72°C
C
T
= 105°C
C
=72°C
C
T
=105°C
C
f = 50Hz 120
f = 60Hz 130
f = 50Hz 100
f = 60Hz 120
t
= 8.3 ms
p
= 125°C
J
12 A
7. 6 A
A
70
A2s
60
100 A/μs
2 A
0.5 W
°C
Specifications are subject to change without notice.
©2014 Littelfuse, Inc
Revised: 01/06/14
Teccor® brand Thyristors
12 Amp Standard SCRs
Electrical Characteristics (T
= 25°C, unless otherwise specified)
J
Symbol Test Conditions Value Unit
I
GT
V
GT
dv/dt
V
GD
I
H
t
q
t
gt
VD = 12V RL = 60 Ω
400V
V
= V
; gate open; TJ = 100°C
D
DRM
600V
800V
1000V
400V
VD = V
; gate open; TJ = 125°C
DRM
600V
800V
VD = V
RL = 3.3 kΩ TJ = 125°C MIN. 0.2 V
DRM
IT = 200mA (initial) MAX. 40 mA
IT = 2A; tp = 50µs; dv/dt = 5V/µs; di/dt = 30A/µs MAX. 35 μs
IG = 2 x IGT PW = 15µs IT = 20A TYP. 2 μs
MAX. 20
MIN. 1
MAX. 1. 5 V
350
300
250
MIN.
100
250
225
200
Static Characteristics
Symbol Test Conditions Value Unit
V
I
DRM
TM
/ I
RRM
V
= V
DRM
IT = 24A; tp = 380 µs MAX. 1. 6 V
400 – 600V
10
TJ = 25°C
800 – 1000V 20
RRM
= 100°C
400 – 800V 500
T
J
= 125°C 400 – 800V 1000
T
J
1000V 3000
MAX.
μA
mA
V/μs
Thermal Resistances
Symbol Parameter Value Unit
R
θ(J-C)
R
θ(J-A)
Note: xx = voltage
Sxx12x Series
Junction to case (AC)
Junction to ambient
Sxx12L 3.2
Sxx12R 1. 5
Sxx12V 1. 6
Sxx12D 1. 4
Sxx12L 50
Sxx12R 40
Sxx12V 70
2
°C/W
°C/W
Specifications are subject to change without notice.
©2014 Littelfuse, Inc
Revised: 01/06/14
Teccor® brand Thyristors
12 Amp Standard SCRs
Figure 1: Normalized DC Gate Trigger Current
vs. Junction Temperature
2.0
1.5
= 25°C)
J
(T
GT
1.0
/ I
GT
0.5
Ratio of I
0.0
-40 -15 10 35 60 85 10 0 125
Junction Temperature (TJ ) - (°C)
Figure 3: Normalized DC Holding Current
vs. Junction Temperature
2.0
1.5
= 25°C)
J
(T
H
1.0
/ I
H
0.5
Ratio of I
Figure 2: Normalized DC Gate Trigger Voltage
vs. Junction Temperature
2.0
1.5
= 25°C)
J
(T
GT
1.0
/ V
GT
0.5
Ratio of V
0.0
-40 -15 10 35 60 85 110 125
Junction Temperature (TJ) - (°C)
Figure 4: On-State Current vs. On-State
Voltage (Typical)
60
TJ = 25°C
50
40
) – Amps
T
30
20
Current (i
Instantaneous On-state
10
Sxx12L
Sxx12R
Sxx12V
Sxx12D
0.0
-40 -15 10 35 60 85 110 125
Junction Temperature (TJ ) - (°C)
Figure 5: Power Dissipation (Typical)
vs. RMS On-State Current
12
10
8
] - (Watts)
D(AV)
6
4
Average On-State Power
Dissipation [P
2
0
0 2 4 6 8 10 12
RMS On-State Current [I
Sxx12x Series
T(RMS
)] - (Amps)
3
0
0.6
0.7 0.8 0.9 1.0 1.1 1.2 1.3 1.4 1.5 1. 6
Instantaneous On-state Voltage (vT) – Volts
Specifications are subject to change without notice.
©2014 Littelfuse, Inc
Revised: 01/06/14
Teccor® brand Thyristors
0
20
40
60
80
100
120
0.0
RMS On-State Current [I
T(RMS)
] - Amps
Maximum Allowable Ambient
Te mperature (T
A
) - °C
0.5 1.0 1.5 2.0 2.5 3.0
CURRENT WAVEFORM: Sinusoidal
LOAD: Resistive or Inductive
CONDUCTION ANGLE: 180°
FREE AIR RATING
3.5
Sxx12L
Sxx12V
Sxx12R
12 Amp Standard SCRs
Figure 6: Maximum Allowable Case Temperature
vs. RMS On-State Current
130
120
110
)- °C
C
100
90
80
Maximum Allowable
Case Te mperature (T
70
CURRENT WAVEFORM: Sinusoidal
LOAD: Resistive or Inductive
CONDUCTION ANGLE: 180°
60
0 2 4 6 8 10 12 14
Sxx12L
RMS On-State Current [I
Sxx12R
Sxx12V
Sxx12D
T(RMS)
] - Amps
Figure 8: Maximum Allowable Ambient Temperature
vs. RMS On-State Current
Figure 7: Maximum Allowable Case Temperature
vs. Average On-State Current
130
120
110
) - °C
C
100
90
80
Te mperature (T
Maximum Allowable Case
CURRENT WAVEFORM: Sinusoidal
70
LOAD: Resistive or Inductive
CONDUCTION ANGLE: 180°
60
0 1 2 3 4 5 6 7 8
Sxx12L
Average On-State Current [I
Sxx12R
Sxx12V
Sxx12D
T(AVE)
] - Amps
Figure 9: Maximum Allowable Ambient Temperature
vs. Average On-State Current
120
100
CURRENT WAVEFORM: Sinusoidal
LOAD: Resistive or Inductive
CONDUCTION ANGLE: 180°
FREE AIR RATING
80
) - °C
A
60
40
Te mperature (T
Maximum Allowable Ambient
20
0
Sxx12V
0.0
Sxx12L
0.5 1.0 1.5 2.0
Average On-State Current [I
Sxx12R
T(AVE)
] - Amps
Note: xx = voltage
Figure 10: Peak Capacitor Discharge Current
1000
) - Amps
TM
100
Peak Discharge Current (I
I
TRM
10
t
W
Pulse Current Duration (tw) - ms
0.050.520.55.0
Figure 11: Peak Capacitor Discharge Current Derating
1.2
1.0
0.8
0.6
0.4
Normalized Peak Current
0.2
0.0
0 25 50 75 100 125 150
Case Temperature (TC) - °C
Sxx12x Series
4
Specifications are subject to change without notice.
©2014 Littelfuse, Inc
Revised: 01/06/14
Teccor® brand Thyristors
eat
Ramp-do
12 Amp Standard SCRs
Figure 12: Surge Peak On-State Current vs. Number of Cycles
1000
100
) – Amps
TSM
10
Peak Surge (Non-repetitive)
On-state Current (I
SUPPLY FREQUENCY: 60 Hz Sinusoidal
LOAD: Resistive
RMS On-State Current: [I
Value at Specified Case Temperature
Notes:
1. Gate 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.
]: Maximum Rated
T(RMS)
1
Surge Current Duration - Full Cycles
Soldering Parameters
Reflow Condition Pb – Free assembly
- Temperature Min (T
Pre Heat
- Temperature Max (T
- Time (min to max) (ts) 60 – 180 secs
Average ramp up rate (Liquidus Temp)
(TL) to peak
T
to TL - Ramp-up Rate 5°C/second max
S(max)
Reflow
- Temperature (TL) (Liquidus) 217°C
- Temperature (tL) 60 – 150 seconds
Peak Temperature (TP) 260
Time within 5°C of actual peak
Temperature (tp)
Ramp-down Rate 5°C/second max
Time 25°C to peak Temperature (TP) 8 minutes Max.
Do not exceed 280°C
) 150°C
s(min)
) 200°C
s(max)
5°C/second max
+0/-5
°C
20 – 40 seconds
0001001011
T
P
T
L
T
S(max)
Temperature
T
S(min)
25
Ramp-upRamp-up
PreheatPreh
t
S
time to peak temperature
t
P
t
L
Ramp-down
Time
Sxx12x Series
5
Specifications are subject to change without notice.
©2014 Littelfuse, Inc
Revised: 01/06/14
Teccor® brand Thyristors
12 Amp Standard SCRs
Physical Specifications Environmental Specifications
Terminal Finish 100% Matte Tin-plated
Body Material
UL recognized epoxy meeting ammability
classification 94V-0
Lead Material Copper Alloy
Design Considerations
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.
Dimensions — TO-220AB (L-Package) — Isolated Mounting Tab
7. 01
.276
2
13.36
.526
T
MEASURING POINT AREA (REF.) 0.17 IN
C
E
C
D
G
A
B
F
R
L
H
GATECATHODE
ANODE
K
J
O
P
N
M
8.13
.320
Test
AC Blocking
Specifications and Conditions
MIL-STD-750, M-1040, Cond A Applied
Peak AC voltage @ 125°C for 1008 hours
MIL-STD-750, M-1051,
Temperature Cycling
100 cycles; -40°C to +150°C; 15-min
dwell-time
Temperature/
Humidity
High Temp Storage
EIA / JEDEC, JESD22-A101
1008 hours; 320V - DC: 85°C; 85%
rel humidity
MIL-STD-750, M-1031,
1008 hours; 150°C
Low-Temp Storage 1008 hours; -40°C
MIL-STD-750, M-1056
Thermal Shock
10 cycles; 0°C to 100°C; 5-min dwelltime at each temperature; 10 sec (max)
transfer time between temperature
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
Dimension
Inches Millimeters
Min Max Min Max
A 0.380 0.420 9.65 10.67
B 0.105 0.115 2.67 2.92
C 0.230 0.250 5.84 6.35
D 0.590 0.620 14.99 15.75
E 0.142 0.147 3.61 3.73
F 0.110 0.130 2.79 3.30
G 0.540 0.575 13.72 14.61
H 0.025 0.035 0.64 0.89
J 0.195 0.205 4.95 5.21
K 0.095 0.105 2.41 2.67
L 0.060 0.075 1.52 1.91
M 0.085 0.095 2.16 2.41
N 0.018 0.024 0.46 0.61
O 0.178 0.188 4.52 4.78
P 0.045 0.060 1. 14 1.52
R 0.038 0.048 0.97 1.22
Sxx12x Series
6
Specifications are subject to change without notice.
©2014 Littelfuse, Inc
Revised: 01/06/14
Teccor® brand Thyristors
AREA: 0.040 IN
2
TC MEASURING POINT
GATE
G
I
E
D
A
B
C
F
J
H
K
L
5.28
.208
5.34
.210
Anode
Cathode
Anode
P
Q
R
S
12 Amp Standard SCRs
Dimensions — TO-220AB (R-Package) — Non-Isolated Mounting Tab Common with Center Lead
7. 01
.276
2
13.36
.526
Dimension
Inches Millimeters
Min Max Min Max
A 0.380 0.420 9.65 10.67
B 0.105 0.115 2.67 2.92
C 0.230 0.250 5.84 6.35
D 0.590 0.620 14.99 15.75
E 0.142 0.147 3.61 3.73
F 0.110 0.130 2.79 3.30
G 0.540 0.575 13.72 14.61
H 0.025 0.035 0.64 0.89
J 0.195 0.205 4.95 5.21
K 0.095 0.105 2.41 2.67
L 0.060 0.075 1.52 1.91
M 0.085 0.095 2.16 2.41
N 0.018 0.024 0.46 0.61
O 0.178 0.188 4.52 4.78
P 0.045 0.060 1. 14 1.52
R 0.038 0.048 0.97 1.22
T
MEASURING POINT
C
E
C
D
G
A
ANODE
B
F
R
L
H
GATECATHODE
ANODE
K
J
O
P
NOTCH IN
GATE LEAD
TO ID.
NON-ISOLATED
TAB
N
M
Note: Maximum torque to
be applied to mounting tab
AREA (REF.) 0.17 IN
8.13
.320
is 8 in-lbs. (0.904 Nm).
Dimensions — TO-251AA (V/I-Package) — V/I-PAK Through Hole
Dimension
A 0.040 0.044 0.050 1.02 1. 11 1.27
B 0.235 0.242 0.245 5.97 6.15 6.22
C 0.350 0.361 0.375 8.89 9.18 9.53
D 0.205 0.208 0.213 5.21 5.29 5.41
E 0.255 0.262 0.265 6.48 6.66 6.73
F 0.027 0.031 0.033 0.69 0.80 0.84
G 0.087 0.090 0.093 2.21 2.28 2.36
H 0.085 0.092 0.095 2.16 2.34 2.41
I 0.176 0.180 0.184 4.47 4.57 4.67
J 0.018 0.020 0.023 0.46 0.51 0.58
K 0.038 0.040 0.044 0.97 1.01 1. 12
L 0.018 0.020 0.023 0.46 0.52 0.58
P 0.042 0.047 0.052 1.06 1.20 1.32
Q 0.034 0.039 0.044 0.86 1. 00 1. 11
R 0.034 0.039 0.044 0.86 1. 0 0 1. 11
S 0.074 0.079 0.084 1.86 2.00 2.11
Inches Millimeters
Min Typ Max Min Typ Max
Sxx12x Series
7
Specifications are subject to change without notice.
©2014 Littelfuse, Inc
Revised: 01/06/14
Teccor® brand Thyristors
M
O
N
H
J
L
K
.118
3
.063
1.60
.071
1.80
.264
6.71
.264
6.71
.181
4.60
GATE
Anode
Cathode
Anode
T
C
MEASURING POINT
G
I
D
E
A
B
C
F
5.28
.208
5.34
.210
: 0.040 IN
2
AREA
P
Q
12 Amp Standard SCRs
Dimensions — TO-252AA (D-Package) — D-PAK Surface Mount
Dimension
Inches Millimeters
Min Ty p Max Min Ty p Max
A 0.040 0.043 0.050 1.02 1.09 1.27
B 0.235 0.243 0.245 5.97 6.16 6.22
C 0.106 0.108 0.113 2.69 2.74 2.87
D 0.205 0.208 0.213 5.21 5.29 5.41
E 0.255 0.262 0.265 6.48 6.65 6.73
F 0.027 0.031 0.033 0.69 0.80 0.84
G 0.087 0.090 0.093 2.21 2.28 2.36
H 0.085 0.092 0.095 2.16 2.33 2.41
I 0.176 0.179 0.184 4.47 4.55 4.67
J 0.018 0.020 0.023 0.46 0.51 0.58
K 0.038 0.040 0.044 0.97 1.02 1. 1 2
L 0.018 0.020 0.023 0.46 0.51 0.58
M 0.000 0.000 0.004 0.00 0.00 0.10
N 0.021 0.026 0.027 0.53 0.67 0.69
O 0° 0° 5° 0° 0° 5°
P 0.042 0.047 0.052 1.06 1.20 1.32
Q 0.034 0.039 0.044 0.86 1. 00 1. 11
Product Selector
Part Number
400V 600V 800V 1000V
Sxx12L X X X X 20mA Sensitive SCR TO-220L
Sxx12R X X X X 20mA Sensitive SCR TO-220R
Sxx12V X X X X 20mA Standard SCR TO-251
Sxx12D X X X X 20mA Standard SCR TO-252
Note: xx = voltage
Voltage
Gate Sensitivity Type Package
Packing Options
Part Number Marking Weight Packing Mode Base Quantity
Sxx12LTP Sxx12L 2.2 g Tube 500 (50 per tube)
Sxx12R Sxx12R 2.2 g Bulk 500
Sxx12RTP Sxx12R 2.2 g Tube 500 (50 per tube)
Sxx12DTP Sxx12D 0.3 g Tube 750 (75 per tube)
Sxx12DRP Sxx12D 0.3 g Embossed Carrier 2500
Sxx12VTP Sxx12V 0.4 g Tube 750 (75 per tube)
Note: xx = Voltage
Sxx12x Series
8
Specifications are subject to change without notice.
©2014 Littelfuse, Inc
Revised: 01/06/14
Teccor® brand Thyristors
0.512 (13.0)
Arbor Hole
Diameter
DC
XXXXXX
XXXXXX
DC
XXXXXX
DC
XXXXXX
XX
Gate Cathode
Anode
0.63
(16.0)
0.157
(4.0)
0.64
(16.3)
12.99
(330.0)
0.524
(13.3)
0.315
(8.0)
0.059
DIA
(1.5)
*
*
Cover tape
XX
XX
Direction of Feed
Dimensions
are in inches
(and millimeters).
12 Amp Standard SCRs
TO-252 Embossed Carrier Reel Pack (RP) Specifications
Meets all EIA-481-2 Standards
Part Marking System
TO-251AA - (V Package)
S6012D
YMLDD
Date Code Marking
Y:Year Code
M: Month Code
L: Location Code
DD: Calendar Code
TO-220 AB - (L Pack age)
S6012L
Y
M
Date Code Marking
Y:Year Code
M: Month Code
XXX: Lot Trace Code
TO-252AA - (D Package)
®
TO-220 AB - (R Pack age)
®
Part Numbering System
S 60
12
S6012D
YMLDD
S6012R
Y
R
®
M
®
56
DEVICE TYPE
S: SCR
VOLTAGE RATING
40: 400V
60: 600V
80: 800V
K0: 1000V
CURRENT RATING
12: 12A
LEAD FORM DIMENSIONS
xx: Lead Form Option
SENSITIVITY & TYPE
(blank): 20mA
PACKAGE TYPE
L: TO-220 Isolated
R: TO-220 Non-Isolated
V: TO-251 (V/I-Pak)
D: TO-252 (D-Pak)
Sxx12x Series
9
Specifications are subject to change without notice.
©2014 Littelfuse, Inc
Revised: 01/06/14
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