VS-12TTS08SPbF Series
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Thyristor Surface Mount, Phase Control SCR, 8 A
FEATURES
• Meets MSL level 1, per J-STD-020,
LF maximum peak of 260 °C
• Designed and qualified according
JEDEC®-JESD 47
• Material categorization:
for definitions of compliance please see
www.vishay.com/doc?99912
APPLICATIONS
• Input rectification and crow-bar (soft start)
• Vishay input diodes, switches and output rectifiers which
are available in identical package outlines
DESCRIPTION
The VS-12TTS08SPbF High Voltage Series of silicon
controlled rectifiers are specifically designed for medium
power switching and phase control applications. The glass
passivation technology used has reliable operation up to
125 °C junction temperature.
PRODUCT SUMMARY
Package TO-263AB (D2PAK)
Diode variation Single SCR
IT(AV) 8 A
VDRM/VRRM 800 V
VTM 1.2 V
IGT 15 mA
TJ-40 to +125 °C
3
Gate
2, 4
Anode
1
Cathode
1
2
4
3
TO-263AB (D
2
PAK)
OUTPUT CURRENT IN TYPICAL APPLICATIONS
APPLICATIONS SINGLE-PHASE BRIDGE THREE-PHASE BRIDGE UNITS
Capacitive input filter TA = 55 °C, TJ = 125 °C,
common heatsink of 1 °C/W 13.5 17 A
MAJOR RATINGS AND CHARACTERISTICS
PARAMETER TEST CONDITIONS VALUES UNITS
IT(AV) Sinusoidal waveform 8
A
IT(RMS) 12.5
VRRM/VDRM 800 V
ITSM 110 A
VT8 A, TJ = 25 °C 1.2 V
dV/dt 150 V/μs
dI/dt 100 A/μs
TJRange -40 to +125 °C
VOLTAGE RATINGS
PART NUMBER
VRRM, MAXIMUM PEAK
REVERSE VOLTAGE
V
VDRM, MAXIMUM PEAK
DIRECT VOLTAGE
V
IRRM/IDRM
AT 125 °C
mA
VS-12TTS08SPbF 800 800 1.0
VS-12TTS08SPbF Series
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ABSOLUTE MAXIMUM RATINGS
PARAMETER SYMBOL TEST CONDITIONS VALUES UNITS
Maximum average on-state current IT(AV) TC = 108 °C, 180° conduction, half sine wave
8
A
Maximum RMS on-state current IT(RMS) 12.5
Maximum peak one-cycle
non-repetitive surge current ITSM
10 ms sine pulse, rated VRRM applied, TJ = 125 °C 95
10 ms sine pulse, no voltage reapplied, TJ = 125 °C 110
Maximum I2t for fusing I2t
10 ms sine pulse, rated VRRM applied, TJ = 125 °C 45
A2s
10 ms sine pulse, no voltage reapplied, TJ = 125 °C 64
Maximum I2t for fusing I2t t = 0.1 ms to 10 ms, no voltage reapplied, TJ = 125 °C 640 A2s
Maximum on-state voltage drop VTM 8 A, TJ = 25 °C 1.2 V
On-state slope resistance rtTJ = 125 °C
16.2 m
Threshold voltage VT(TO) 0.87 V
Maximum reverse and direct leakage current IRM/IDM
TJ = 25 °C
VR = Rated VRRM/VDRM
0.05
mA
TJ = 125 °C 1.0
Typical holding current IH
Anode supply = 6 V, resistive load, initial IT = 1 A,
TJ = 25 °C 30
Maximum latching current ILAnode supply = 6 V, resistive load, TJ = 25 °C 50
Maximum rate of rise of off-state voltage dV/dt TJ = TJ max., linear to 80 %, VDRM = Rg - k = Open 150 V/μs
Maximum rate of rise of turned-on current dI/dt 100 A/μs
TRIGGERING
PARAMETER SYMBOL TEST CONDITIONS VALUES UNITS
Maximum peak gate power PGM 8.0
W
Maximum average gate power PG(AV) 2.0
Maximum peak positive gate current + IGM 1.5 A
Maximum peak negative gate voltage - VGM 10 V
Maximum required DC gate current to trigger IGT
Anode supply = 6 V, resistive load, TJ = - 65 °C 20
mAAnode supply = 6 V, resistive load, TJ = 25 °C 15
Anode supply = 6 V, resistive load, TJ = 125 °C 10
Maximum required DC gate voltage to trigger VGT
Anode supply = 6 V, resistive load, TJ = - 65 °C 1.2
V
Anode supply = 6 V, resistive load, TJ = 25 °C 1
Anode supply = 6 V, resistive load, TJ = 125 °C 0.7
Maximum DC gate voltage not to trigger VGD TJ = 125 °C, VDRM = Rated value
0.2
Maximum DC gate current not to trigger IGD 0.1 mA
SWITCHING
PARAMETER SYMBOL TEST CONDITIONS VALUES UNITS
Typical turn-on time tgt TJ = 25 °C 0.8
μsTypical reverse recovery time trr TJ = 125 °C
3
Typical turn-off time tq100
VS-12TTS08SPbF Series
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Fig. 1 - Current Rating Characteristics
Fig. 2 - Current Rating Characteristics
Fig. 3 - On-State Power Loss Characteristics
Fig. 4 - On-State Power Loss Characteristics
THERMAL AND MECHANICAL SPECIFICATIONS
PARAMETER SYMBOL TEST CONDITIONS VALUES UNITS
Maximum junction and storage
temperature range TJ, TStg -40 to +125 °C
Maximum thermal resistance,
junction to case RthJC DC operation 1.5
°C/W
Maximum thermal resistance,
junction to ambient RthJA 62
Typical thermal resistance,
case to heatsink RthCS Mounting surface, smooth and greased 0.5
Approximate weight
2g
0.07 oz.
Mounting torque
minimum 6 (5) kgf cm
(lbf in)
maximum 12 (10)
Marking device Case style D2PAK (SMD-220) 12TTS08S
100
105
110
115
120
125
0246810
30°
60° 90°
120° 180°
Maximum Allowable Case Temperature (°C)
Conduction Angle
Average On-state Current (A)
12TTS08
R (DC) = 1.5 K/ W
thJC
100
105
110
115
120
125
02468101214
DC
30°
60°
90°
120°
180°
Average On-state Current (A)
Maximum Allowable Case Temperature (°C)
Conduction Period
12TTS08
R (DC) = 1.5 K/ W
thJC
0
1
2
3
4
5
6
7
8
9
10
0123456789
RM S Li m i t
Conduction Angle
Maximum Average On-state Power Loss (W)
Average On-state Current (A)
180°
120°
90°
60°
30°
12TTS08
T = 1 2 5 ° C
J
0
2
4
6
8
10
12
14
02468101214
DC
180°
120°
90°
60°
30°
RM S Li m i t
Conduction Period
Maximum Average On-state Power Loss (W)
Average On-state Current (A)
12TTS08
T = 125°C
J
VS-12TTS08SPbF Series
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Revision: 08-Jul-15 4Document Number: 94499
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Fig. 5 - Maximum Non-Repetitive Surge Current Fig. 6 - Maximum Non-Repetitive Surge Current
Fig. 7 - On-State Voltage Drop Characteristics
Fig. 8 - Thermal Impedance ZthJC Characteristics
Number of Equal Amplitude Half Cycle
Current Pulses (N)
Peak Half Sine Wave
Forward Current (A)
1 10 100
40
50
60
70
80
90
100
110
VS-12TTS08
At any rated load condition and with
rated Vrrm applied following surge.
Initial Tj = 150°C
at 60 Hz 0.0083s
at 50 Hz 0.0100s
0.01 0.1 1 10
40
50
60
70
80
90
100
110
120
Maximum non-repetitive surge current
versus pulse train duration.
Initial Tj = Tj max.
No voltage reapplied
Rated Vrrm reapplied
VS-12TTS08
Pulse Train Duration (s)
Peak Half Sine Wave
Forward Current (A)
1
10
100
1000
0.5 1 1.5 2 2.5 3 3.5
T = 2 5 ° C
J
Instantaneous On-state Current (A)
In st a n t a n e o u s O n - st a t e V o lt a g e ( V )
T = 1 2 5 ° C
J
12TTS08
0.01
0.1
1
10
0.0001 0.001 0.01 0.1 1
Square Wave Pulse Duration (s)
St e a d y St a t e V a l u e
(DC Operation)
Si n g l e Pu lse
D = 0.50
D = 0.33
D = 0.25
D = 0.17
D = 0.08
thJC
Transient Thermal Impedance Z (°C/W)
12TTS08
VS-12TTS08SPbF Series
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Revision: 08-Jul-15 5Document Number: 94499
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ORDERING INFORMATION TABLE
ORDERING INFORMATION (Example)
PREFERRED P/N QUANTITY PER T/R MINIMUM ORDER QUANTITY PACKAGING DESCRIPTION
VS-12TTS08SPbF 50 1000 Antistatic plastic tubes
VS-12TTS08STRRPbF 800 800 13" diameter reel
VS-12TTS08STRLPbF 800 800 13" diameter reel
LINKS TO RELATED DOCUMENTS
Dimensions www.vishay.com/doc?95046
Part marking information www.vishay.com/doc?95054
Packaging information www.vishay.com/doc?95032
1
2
- Current rating (12.5 A)
3
- Circuit configuration:
4
- Package:
-PbF = lead (Pb)-free
5
6
- Voltage rating (08 = 800 V)
T = single thyristor
- Type of silicon:
T = TO-220AC
S = standard recovery rectifier
9
7
- S = TO-220 D
2
PAK (SMD-220) version
8
-None = tube
TRL = tape and reel (left oriented)
TRR = tape and reel (right oriented)
Device code
51 32 4 6 7 8 9
VS- 12 T T S 08 S TRL PbF
- Vishay Semiconductors product
Outline Dimensions
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Revision: 08-Jul-15 1Document Number: 95046
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D2PAK
DIMENSIONS in millimeters and inches
Notes
(1) Dimensioning and tolerancing per ASME Y14.5 M-1994
(2) Dimension D and E do not include mold flash. Mold flash shall not exceed 0.127 mm (0.005") per side. These dimensions are measured at
the outmost extremes of the plastic body
(3) Thermal pad contour optional within dimension E, L1, D1 and E1
(4) Dimension b1 and c1 apply to base metal only
(5) Datum A and B to be determined at datum plane H
(6) Controlling dimension: inch
(7) Outline conforms to JEDEC® outline TO-263AB
SYMBOL MILLIMETERS INCHES NOTES SYMBOL MILLIMETERS INCHES NOTES
MIN. MAX. MIN. MAX. MIN. MAX. MIN. MAX.
A 4.06 4.83 0.160 0.190 D1 6.86 8.00 0.270 0.315 3
A1 0.00 0.254 0.000 0.010 E 9.65 10.67 0.380 0.420 2, 3
b 0.51 0.99 0.020 0.039 E1 7.90 8.80 0.311 0.346 3
b1 0.51 0.89 0.020 0.035 4 e 2.54 BSC 0.100 BSC
b2 1.14 1.78 0.045 0.070 H 14.61 15.88 0.575 0.625
b3 1.14 1.73 0.045 0.068 4 L 1.78 2.79 0.070 0.110
c 0.38 0.74 0.015 0.029 L1 - 1.65 - 0.066 3
c1 0.38 0.58 0.015 0.023 4 L2 1.27 1.78 0.050 0.070
c2 1.14 1.65 0.045 0.065 L3 0.25 BSC 0.010 BSC
D 8.51 9.65 0.335 0.380 2 L4 4.78 5.28 0.188 0.208
c
B
Detail A
c2
AA
A
± 0.004 B
M
A
Lead tip
(3)
(3)
View A - A
(E)
(D1)
E1
B
H
A1
Detail “A”
Rotated 90 °CW
Scale: 8:1
L
Gauge
plane
0° to 8°
L3
L4
Seating
plane
Section B - B and C - C
Scale: None
(4)
(4)
(b, b2)
b1, b3
(c) c1
Base
Metal
Plating
Conforms to JE DEC
®
outline D
2
PAK (SMD-220)
132
D
C
A
L2
E
(2)(3)
(2)
4
H
BB
2 x b
2 x b2
L1
0.010 AB
MM
(3)
e
2 x
Pad layout
MIN.
11.00
(0.43)
MIN.
9.65
(0.38)
MIN.
3.81
(0.15)
MIN.
2.32
(0.08)
17.90 (0.70)
15.00 (0.625)
2.64 (0.103)
2.41 (0.096)
Legal Disclaimer Notice
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Revision: 08-Feb-17 1Document Number: 91000
Disclaimer
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RELIABILITY, FUNCTION OR DESIGN OR OTHERWISE.
Vishay Intertechnology, Inc., its affiliates, agents, and employees, and all persons acting on its or their behalf (collectively,
“Vishay”), disclaim any and all liability for any errors, inaccuracies or incompleteness contained in any datasheet or in any other
disclosure relating to any product.
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Statements regarding the suitability of products for certain types of applications are based on Vishay’s knowledge of
typical requirements that are often placed on Vishay products in generic applications. Such statements are not binding
statements about the suitability of products for a particular application. It is the customer’s responsibility to validate that a
particular product with the properties described in the product specification is suitable for use in a particular application.
Parameters provided in datasheets and / or specifications may vary in different applications and performance may vary over
time. All operating parameters, including typical parameters, must be validated for each customer application by the customer’s
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including but not limited to the warranty expressed therein.
Except as expressly indicated in writing, Vishay products are not designed for use in medical, life-saving, or life-sustaining
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