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Preliminary
SemiWell Semiconductor Bi-Directional Triode Thyristor
Symbol
STM2A60
Features
Repetitive Peak Off-State Voltage : 600V R.M.S On-State Current ( IT(RMS)= 2 A ) High Commutation dv/dt (3-Quadrant ) Surface Mount Package

2.T2

3.Gate
1.T1
General Description
This device is suitable for low power AC switching application, phase control application such as fan speed and temperature modulation control, lighting control and static switching relay.
SOT-223
2
3 2 1
Absolute Maximum Ratings
Symbol
VDRM IT(RMS) ITSM I2 t PGM PG(AV) IGM VGM TJ TSTG
( TJ = 25C unless otherwise specified ) Condition
Sine wave, 50 to 60 Hz, Gate open TC =77 C, Full Sine wave One Cycle, 50Hz/60Hz, Peak, Non-Repetitive tp = 10ms TC = 77 C, Pulse width 1.0us Over any 20ms period tp = 20us, TJ=125C tp = 20us, TJ=125C
Parameter
Repetitive Peak Off-State Voltage R.M.S On-State Current Surge On-State Current I2t for Fusing Peak Gate Power Dissipation Average Gate Power Dissipation Peak Gate Current Peak Gate Voltage Operating Junction Temperature Storage Temperature Mass
Ratings
600 2 20/22 2 5 0.5 2 5 - 40 ~ 125 - 40 ~ 150 0.11
Units
V A A A 2s W W A V C C g
Apr, 2004. Rev. 0
copyright@SemiWell Semiconductor Co., Ltd., All rights reserved.
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STM2A60
Electrical Characteristics
Symbol Items
Repetitive Peak Off-State Current Peak On-State Voltage Non-Trigger Gate Voltage Critical Rate of Rise Off-State Voltage Critical Rate of Rise Off-State Voltage at Commutation Holding Current Thermal Impedance Thermal Impedance (pcb mounted) Junction to solder point Junction to Ambient(minimum footprint) Junction to Ambient(pad area as in fig 11.) TJ = 125 C, VD = 1/2 VDRM TJ = 125 C, VD=2/3 VDRM exponential waveform, gate open circuit TJ = 125 C, [di/dt]c = -0.75 A/ms, VD=2/3 VDRM Gate Trigger Voltage VD = 6 V, RL=10 Gate Trigger Current VD = 6 V, RL=10
Conditions
VD = VDRM, Single Phase, Half Wave TJ = 125 C IT = 2.1 A, Inst. Measurement
Ratings Min.
0.2 1000
Typ.

Max.
0.5 1.6 20 20 20 1.5 1.5 1.5
Unit
IDRM VTM I+GT1 I -GT1 I -GT3 V+GT1 V-GT1 V-GT3 VGD dv/dt
mA V
mA
V
V
V/ V/
mA C/W C/W C/W
(dv/dt)c IH Rth(j-sp) Rth(j-a)
5.0
5
15 156 70
Notes : 1. Pulse Width 300us , Duty cycle 2%
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STM2A60
Fig 1. Gate Characteristics
10
1
Fig 2. On-State Voltage
10
2
VGK = 5V PGK = 5W
On-State Current [A]
PG(AV) = 0.5W
Gate Voltage [V]
10
1
25 IGM=2A
10
0
125 C 10
0
o
25 C
o
VGD = 0.2V
10
-1
10
1
-1
10
10
2
10
3
0.5
1.0
1.5
2.0
2.5
3.0
Gate Current [mA]
On-State Voltage [V]
Fig 3. On State Current vs. Maximum Power Dissipation
4
Fig 4. On State Current vs. Allowable Case Temperature
130
2
Allowable Case Temperature [ C]
o
Power Dissipation [W]
3
360
= 180 o = 150 o = 120 = 90 = 60 = 30
o o
o
120
110
2
: Conduction Angle
o
100
90
2
= 30 = 60 = 90
o o o o o
360
1
= 120
80
70 0
: Conduction Angle
= 150 o = 180
0 0.0
0.5
1.0
1.5
2.0
2.5
1
2
3
4
5
RMS On-State Current [A]
RMS On-State Current [A]
Fig 5. Surge On-State Current Rating ( Non-Repetitive )
Fig 6. Gate Trigger Voltage vs. Junction Temperature
35
10
30
Surge On-State Current [A]
25
o
20
60Hz
VGT (25 C)
VGT (t C)
o
1
15
10
50Hz
5
0 0 10
10
1
10
2
10
3
0.1 -50
0
50
100
o
150
Time (cycles)
Junction Temperature [ C]
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STM2A60
Fig 7. Gate Trigger Current vs. Junction Temperature Fig 8. Transient Thermal Impedance
10
10
2
Transient Thermal Impedance [ C/W]
o
10
1
IGT (25 C)
I I
1
+ GT1 GT1 GT3
IGT (t C)
o
o
I
10
0
0.1 -50
10 0 50 100
o
-1
150
10
-3
10
-2
10
-1
10
0
10
1
10
2
Junction Temperature [ C]
Time (sec)
Fig 9. Gate Trigger Characteristics Test Circuit
10
10
10

6V

A

A
6V
6V
A
V
RG
V
RG
V
RG
Test Procedure
Test Procedure
Test Procedure
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STM2A60
Mounting Instructions
Dimensions in mm.
Fig 10. Soldering pattern for surface mounting SOT-223
Printed Circuit Board
Dimensions in mm.
Fig 11. PCB for thermal resistance and power rating for SOT-223 (PCB; FR4 epoxy glass-1.6mm thick, copper laminate-35um thick)
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STM2A60
SOT-223 Package Dimension
Dim. A A1 B B1 C D e e1 E H V
mm Min. 0.02 0.60 2.90 0.24 6.30 0.70 3.00 0.26 6.50 2.3 4.6 3.30 6.70 3.50 7.00 3.70 7.30 0.130 0.264 Typ. Max. 1.80 0.1 0.85 3.15 0.35 6.70 0.0008 0.024 0.114 0.009 0.248 Min.
Inch Typ. Max. 0.071 0.004 0.027 0.118 0.010 0.256 0.090 0.181 0.138 0.276 0.146 0.287 0.034 0.124 0.014 0.264
10 Max
1. T1 2. T2 3. Gate 4. T2
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