Thyristors Datasheet
SVxx25xx Series
25 Amp High Junction Temperature SCRs
RoHS
Description
This SVxx25xx high temperature SCR series is ideal for unidirectional switch applications such as phase control in heating,
motor speed controls, converters/rectifiers and inrush current
controllers.
These SCRs have a low gate current, (IGT) trigger level of 6mA
and 10mA maximum at approximately 1.5V for SVxx25x1 and
SVxx25x2, respectively.
Features & Benefits
■ Halogen free and RoHS
compliant
■ 150°C maximum junction
temperature
■ UL Recognized to UL 1557
as an Electrically Isolated
Semiconductor Device
■ Surge capability up to
350 A at 60 Hz half cycle
Agency Approval
Agency
■ High dv/dt performance
Agency File Number
L Packages: E71639
Applications
Typical applications include AC Generator (ACG) rectifiers, battery
voltage regulators, generic converters, inrush current controller in
various AC to DC applications and soft starter for low power AC
motor. Additional applications include controls for power tools,
home/brown good and white goods appliances.
Internally constructed isolated packages offered for ease of heat
sinking with high isolation voltage.
Main Features
Symbol
Value
Unit
IT(RMS)
25
A
VDRM /VRRM
600
V
IGT
6 to 10
mA
Schematic Symbol
A
K
G
1
© 2021 Littelfuse, Inc.
Specifications are subject to change without notice.
Revised: GD. 06/16/21
Thyristors Datasheet
SVxx25xx Series
25 Amp High Junction Temperature SCRs
Absolute Maximum Ratings
Symbol
Parameter
VDSM/VRSM
Peak non-repetitive blocking voltage
Test Conditions
Value
Unit
PW=100 μs
800
V
25
A
16
A
IT(RMS)
RMS on-state current
IT(AV)
Average on-state current
ITSM
Peak non-repetitive surge current
I2t
I2t Value for fusing
SVxx25Lx
TC = 100°C
SVxx25Rx
TC = 125°C
SVxx25Nx
SVxx25Lx
TC = 100°C
SVxx25Rx
TC = 125°C
SVxx25Nx
single half cycle; f = 50Hz;
TJ (initial) = 25°C
single half cycle; f = 60Hz;
TJ (initial) = 25°C
tp = 8.3 ms
di/dt
Critical rate of rise of on-state current
IGM
Peak gate current
PG(AV)
Average gate power dissipation
Tstg
TJ
300
A
350
510
A 2s
f = 60Hz ; TJ = 150°C
125
A/μs
TJ = 150°C
4
A
TJ = 150°C
0.8
W
Storage temperature range
-40 to 150
°C
Operating junction temperature range
-40 to 150
°C
Note: xx=voltage/10, x=sensitivity
Electrical Characteristics (TJ = 25°C, unless otherwise specified)
Symbol
Test Conditions
IGT
VD = 12V RL = 60 Ω
VD = 12V RL = 60 Ω
VGT
dv/dt
SVxx25x1
SVxx25x2
MAX.
6
10
MIN.
2
5
MAX.
VD = 67% VDRM; gate open; TJ = 125°C
MIN.
VD = 67% VDRM; gate open; TJ = 150°C
1.5
1.5
400
800
200
400
Unit
mA
V
V/μs
VGD
VD = VDRM RL = 3.3 kΩ TJ = 125°C
MIN.
0.2
0.2
V
IH
IT = 400mA (initial)
MAX.
22
35
mA
tq
IT = 2A; tp = 50µs; dv/dt = 5V/µs; di/dt = 30A/µs
MAX.
25
25
μs
tgt
IG = 2 x IGT PW = 15µs IT = 50A
TYP.
2.6
2.6
μs
Note: xx=voltage/10, x=package
Static Characteristics
Symbol
Test Conditions
VTM
Component IT = 50A; tp = 380 µs
MAX.
TJ = 25°C
IDRM / IRRM
VDRM = VRRM
Value
Unit
1.6
V
10
MAX.
TJ = 125°C
1000
TJ = 150°C
μA
4000
Thermal Resistances
Symbol
RƟ(JC)
Parameter
Value
SVxx25Rx
SVxx25Nx
SVxx25Lx
Junction to case (AC)
1.0
2.3
Unit
°C/W
Note: xx=voltage/10, x=package
2
© 2021 Littelfuse, Inc.
Specifications are subject to change without notice.
Revised: GD. 06/16/21
Thyristors Datasheet
SVxx25xx Series
25 Amp High Junction Temperature SCRs
Figure 2:
Normalized DC Gate Trigger Voltage
vs. Junction Temperature
Figure 1:
Normalized DC Gate Trigger Current
vs. Junction Temperature
1.4
2.0
1.8
1.2
Ratio of VGT/VGT(TJ=25˚C)
Ratio of IGT/IGT(TJ=25˚C)
1.6
1.4
1.2
1.0
0.8
0.6
1.0
0.8
0.6
0.4
0.4
0.2
0.2
0.0
-40
-15
10
35
60
85
110
Junction Temperature (TJ)- ºC
135
0.0
150
Figure 3:
Normalized DC Holding Current vs. Junction Temperature
50
1.8
45
Instantaneous On-State Current(IT) -Amps
2.0
1.4
1.2
1.0
0.8
0.6
0.4
0.2
0.0
-40
-15
10
35
60
85
110
Junction Temperature (TJ)- ºC
135
30
25
20
15
10
5
0
150
0.6
Maximum Allowable Case
Temperature (TC) - °C
Average On-State
Power Dissipation (PD(AV))-Watts
140
30
25
20
15
10
0.8
0.9
1
1.1
1.2
1.3
1.4
Instantaneous On-State Voltage(VT) -Volts
1.5
1.6
SVxx25Rx
SVxx25Nx
130
SVxx25Lx
120
110
100
90
80
5
25
30
- Amps
0.7
Figure 6:
Maximum Allowable Case Temperature
vs. RMS On-State Current
35
10
15
20
RMS On-State Current (IT(RMS))
150
35
150
5
135
40
40
0
10
35
60
85
110
Junction Temperature (TJ)- ºC
TJ=25º
Figure 5:
Power Dissipation (Typical) vs. RMS On-State Current
0
-15
Figure 4:
On-State Current vs. On-State Voltage (Typical)
1.6
Ratio of IH/IH(TJ=25˚C)
-40
70
35
CURRENT WAVEFORM: Sinusoidal
LOAD: Resistive or Inductive
CONDUCTION ANGLE: 180°
0
5
10
15
20
25
30
RMS On-State Current [IT(RMS)] - Amps
3
© 2021 Littelfuse, Inc.
Specifications are subject to change without notice.
Revised: GD. 06/16/21
Thyristors Datasheet
SVxx25xx Series
25 Amp High Junction Temperature SCRs
Figure 7:
Maximum Allowable Case Temperature
vs. Average On-State Current
Figure 8:
Peak Capacitor Discharge Current
150
1000
Maximum Allowable Case
Temperature (TC) - °C
140
130
Peak Discharge Current (ITM) - Amps
SJxx25Rx
SVxx25Rx
SJxx25Nx
SVxx25Nx
SJxx25Lx
SVxx25Lx
120
110
100
90
CURRENT WAVEFORM: Sinusoidal
LOAD: Resistive or Inductive
CONDUCTION ANGLE: 180°
80
100
ITRM
tW
70
10
0
5
10
15
0.5
18
10.0
1.0
50.0
Pulse Current Duration (tW) - ms
Average On-State Current [IT(AVE)] - Amps
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) - ºC
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. O
verload may not be repeated until junction
temperature has returned to steady-state
rated value.
100
10
1
10
100
1000
Surge Current Duration -- Full Cycles
4
© 2021 Littelfuse, Inc.
Specifications are subject to change without notice.
Revised: GD. 06/16/21
Thyristors Datasheet
SVxx25xx Series
25 Amp High Junction Temperature SCRs
Soldering Parameters
Pre Heat
- 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
- Time (tL)
60 – 150 seconds
Peak Temperature (TP)
260
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
+0/-5
Ramp-up
TL
Body Material
Lead Material
tL
T S(max)
Preheat
T S(min)
Ramp-dow
Ramp-down
tS
°C
25
time to peak temperature
Physical Specifications
Terminal Finish
tP
TP
Temperature
- Temperature Min (Ts(min))
Pb – Free
assembly
150°C
Reflow Condition
Time
Environmental Specifications
100% Matte Tin-plated
UL Recognized compound meeting flammability
rating V-0
Copper Alloy
Test
AC Blocking
Temperature Cycling
Design Considerations
Temperature/Humidity
Careful selection of the correct component 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 component 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.
Resistance to Solder Heat
Solderability
Lead Bend
Moisture Sensitivity Level
5
Specifications and Conditions
MIL-STD-750, M-1040, Cond A
Applied Peak AC voltage @ 150°C for
1008 hours
MIL-STD-750, M-1051,
1000 cycles; -55°C to +150°C;
15-min dwell-time
EIA / JEDEC, JESD22-A101
1008 hours; 160V - DC: 85°C;
85% rel humidity
MIL-STD-750 Method 2031
ANSI/J-STD-002, category 3, Test A
MIL-STD-750, M-2036 Cond E
Level 1, JEDEC-J-STD-020D
© 2021 Littelfuse, Inc.
Specifications are subject to change without notice.
Revised: GD. 06/16/21
Thyristors Datasheet
SVxx25xx Series
25 Amp High Junction Temperature SCRs
Dimensions — TO-220AB (L-Package) — Isolated Mounting Tab
TC MEASURING POINT
O
A
E
P
AREA (REF.) 0.17 IN2
Dimension
8.13
.320
A
B
C
D
E
F
G
H
J
K
L
M
N
O
P
R
B
C
13.36
.526
D
7.01
.276
F
R
G
L
H
CATHODE
ANODE
GATE
K
N
M
J
Inches
Millimeters
Min
Max
Min
Max
0.380
0.105
0.230
0.590
0.142
0.110
0.540
0.025
0.195
0.095
0.060
0.085
0.018
0.178
0.045
0.038
0.420
0.115
0.250
0.620
0.147
0.130
0.575
0.035
0.205
0.105
0.075
0.095
0.024
0.188
0.060
0.048
9.65
2.67
5.84
14.99
3.61
2.79
13.72
0.64
4.95
2.41
1.52
2.16
0.46
4.52
1.14
0.97
10.67
2.92
6.35
15.75
3.73
3.30
14.61
0.89
5.21
2.67
1.91
2.41
0.61
4.78
1.52
1.22
Dimensions — TO-220AB (R-Package) — Non-Isolated Mounting Tab Common with
Center Lead
TC MEASURING POINT
O
A
E
P
AREA (REF.) 0.17 IN2
Dimension
8.13
.320
A
B
C
D
E
F
G
H
J
K
L
M
N
O
P
R
ANODE
B
C
13.36
.526
D
7.01
.276
NOTCH IN
GATE LEAD
TO ID.
NON-ISOLATED
TAB
F
R
G
L
H
CATHODE
ANODE
K
J
GATE
N
M
Note: Maximum torque to be applied to mounting
tab is 8 in-lbs. (0.904 Nm).
6
Inches
Millimeters
Min
Max
Min
Max
0.380
0.105
0.230
0.590
0.142
0.110
0.540
0.025
0.195
0.095
0.060
0.085
0.018
0.178
0.045
0.038
0.420
0.115
0.250
0.620
0.147
0.130
0.575
0.035
0.205
0.105
0.075
0.095
0.024
0.188
0.060
0.048
9.65
2.67
5.84
14.99
3.61
2.79
13.72
0.64
4.95
2.41
1.52
2.16
0.46
4.52
1.14
0.97
10.67
2.92
6.35
15.75
3.73
3.30
14.61
0.89
5.21
2.67
1.91
2.41
0.61
4.78
1.52
1.22
© 2021 Littelfuse, Inc.
Specifications are subject to change without notice.
Revised: GD. 06/16/21
Thyristors Datasheet
SVxx25xx Series
25 Amp High Junction Temperature SCRs
Dimensions — TO- 263AB (N-package) — D2-Pak Surface Mount
TC MEASURING POINT
B
AREA: 0.11 in
C
V
2
Dimension
E
ANODE
A
B
C
D
E
F
G
H
J
K
S
V
U
W
8.41
.331
7.01
.276
A
S
W
U
K
GATE
CATHODE
G
J
8.13
.320
H
D
F
11.68
.460
2.16
.085
7.01
.276
7.01
.276
Inches
Millimeters
Min
Max
Min
Max
0.360
0.380
0.178
0.025
0.045
0.060
0.095
0.092
0.018
0.090
0.590
0.035
0.002
0.040
0.370
0.420
0.188
0.035
0.060
0.075
0.105
0.102
0.024
0.110
0.625
0.045
0.010
0.070
9.14
9.65
4.52
0.64
1.14
1.52
2.41
2.34
0.46
2.29
14.99
0.89
0.05
1.02
9.40
10.67
4.78
0.89
1.52
1.91
2.67
2.59
0.61
2.79
15.88
1.14
0.25
1.78
16.89
.665
8.89
.350
1.40
.055
3.81
.150
2.03
.080
6.60
.260
Product Selector
Part Number
SVxx25L1
SVxx25R1
SVxx25N1
SVxx25L2
SVxx25R2
SVxx25N2
Voltage
600V
X
X
X
X
X
X
Gate Sensitivity
Type
Package
6mA
6mA
6mA
10mA
10mA
10mA
Standard SCR
Standard SCR
Standard SCR
Standard SCR
Standard SCR
Standard SCR
TO-220L
TO-220R
TO-263
TO-220L
TO-220R
TO-263
Note: xx = Voltage/10
Packing Options
Part Number
Marking
Weight
Packing Mode
Base Quantity
SVxx25LxTP
SVxx25RxTP
SVxx25NxTP
SVxx25NxRP
SVxx20Lx
SVxx20Rx
SVxx20Nx
SVxx20Nx
2.2g
2.2g
1.6g
1.6g
Tube
Tube
Tube
Embossed Carrier
1000 (50 per tube)
1000 (50 per tube)
1000 (50 per tube)
500
Note: xx=voltage/10, x=sensitivity
7
© 2021 Littelfuse, Inc.
Specifications are subject to change without notice.
Revised: GD. 06/16/21
Thyristors Datasheet
SVxx25xx Series
25 Amp High Junction Temperature SCRs
Part Numbering System
Part Marking System
T0-220 AB - (L and R Package)
T0-263 AB - (N Package)
SV 60 25 L 1 TP
Packing Type
TP: Tube Pack
RP: Reel Pack
Component Type
SV: High Temperature
High dv/dt SCR
SV6025L1
YM
Sensitivity & Type
1: 6mA
2: 10mA
Votage Rating
60: 600V
Current Rating
25: 25A
®
Package Type
L: TO-220 Isolated
R: TO-220 Non-Isolated
N: TO-263 (D2-Pak)
Date Code Marking
Y:Year Code
M: Month Code
XXX: Lot Trace Code
TO-263 Embossed Carrier Reel Pack (RP) Specifications
Meets all EIA-481-2 Standards
0.63
(16.0)
0.157
(4.0)
Gate
0.059
DI A
(1.5)
0.945
(24.0)
0.827
(21.0)
Cathode
*
* Co ver tape
Anode
0.512 (13.0) Arbor
Hole Dia.
12.99
(330.0)
Dimensions
are in inches
(and millimeters).
1.01
(25.7)
Direction of F eed
Disclaimer Notice - Information furnished is believed to be accurate and reliable. However, users should independently evaluate the suitability of and test each product selected for their own applications. Littelfuse products are
not designed for, and may not be used in, all applications. Read complete Disclaimer Notice at http://www.littelfuse.com/disclaimer-electronics.
8
© 2021 Littelfuse, Inc.
Specifications are subject to change without notice.
Revised: GD. 06/16/21
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