ST STTH20W02C User Manual

Features
STTH20W02C
Turbo 2 ultrafast high voltage rectifier
Datasheet production data
Ultrafast switching
Low thermal resistance
Reduces switching losses
ECOPACK
®
2 compliant component
Description
The STTH20W02C uses ST Turbo 2 200 V technology. It is especially suited to be used for DC/DC and DC/AC converters in secondary stage of MIG/MMA/TIG welding machine. Housed in ST’s TO-247, this device offers high power integration for all welding machines and industrial applications.
A1
A2
A1
TO-247
STTH20W02CW

Table 1. Device summary

Symbol Value
I
F(AV)
V
RRM
(typ) 20 ns
t
rr
T
j
V
(typ) 0.89 V
F
K
A2
K
2 x 10 A
200 V
175 °C
May 2012 Doc ID 023126 Rev 1 1/8
This is information on a product in full production.
www.st.com
8
Characteristics STTH20W02C

1 Characteristics

Table 2. Absolute ratings (limiting values, at 25 °C, unless otherwise specified)
Symbol Parameter Value Unit
V
I
F(RMS)
I
F(AV)
I
FSM
T

Table 3. Thermal resistance

Symbol Parameter Value Unit
Repetitive peak reverse voltage 200 V
RRM
RMS forward current 20 A
= 120 °C Per diode 10
T
Average forward current, δ = 0.5
c
T
= 110 °C Per device 20
c
Surge non repetitive forward current tp = 10 ms sinusoidal 80 A Storage temperature range -65 to + 175 ° C
stg
Maximum operating junction temperature + 175 ° C
T
j
A
R
R
Junction to case
th(j-c)
Coupling 1 °C / W
th(c)
Total
2.5 °C / W
When diodes 1 and 2 are used simultaneously:
Per diode 4 °C / W
Tj
(diode 1)

Table 4. Static electrical characteristics

Symbol Parameter Test conditions Min. Typ Max. Unit
V
1. Pulse test: tp = 5 ms, δ < 2%
2. Pulse test: tp = 380 µs, δ < 2%
IR
= P
(diode 1)
(1)
Reverse leakage current
(2)
Forward voltage drop
F
x R
(Per diode) + P
th(j-c)
VR = V
= 10 A
I
F
= 20 A
I
F
x Rth(c)
RRM
(diode 2)
T
= 25 °C
j
= 125° C 3 30
T
j
= 25° C
T
j
T
= 150 °C 0.89 1.05
j
= 25° C
T
j
T
= 150° C 1.10 1.30
j
5
1.20
1.40
To evaluate the conduction losses use the following equation: P = 0.8 x I
F(AV)
+ 0.025 I
F2(RMS)
µA
V
2/8 Doc ID 023126 Rev 1
STTH20W02C Characteristics
(A)

Table 5. Dynamic electrical characteristics

Symbol Parameter Test conditions Min. Typ Max. Unit
Q
S
I
RM
factor
t
V
Reverse recovery current
Reverse recovery charge 150 nC
RR
= 125 °C
T
j
Softness factor 0.4
Reverse recovery time Tj = 25 °C
rr
t
Forward recovery time
fr
Forward recovery voltage 1.6 2.4 V
FP
Tj = 25 °C
Figure 1. Average forward power dissipation
versus average forward current
IF = 10 A, VR = 160 V dIF/dt = -200 A/µs
IF = 1 A, VR = 30 V dIF/dt = -100 A/µs
IF = 10 A, VFR = 1 V
/dt = 100 A/µs
dI
F
Figure 2. Forward voltage drop versus
forward current (per diode)
79 A
20 25 ns
110 ns
(per diode)
P(W)
F(AV)
16
14
12
10
8
6
4
2
0
0 2 4 6 8 10 12 14
δ = 0.05
δ1= 0.
δ = 0.2
T
= tp/T
δ
δ = 0.5
tp
Figure 3. Relative variation of thermal
impedance junction to case versus pulse duration
Z
th(j-c)/Rth(j-c)
1.0
0.9
0.8
0.7
0.6
0.5
0.4
0.3
Single pulse
0.2
0.1
0.0
1.E-04 1.E-03 1.E-02 1.E-01 1.E+00
δ = 1
I
tp(s)
F(AV)
(A)
IFM(A)
100.0
= 150°C
T
j
(Maximum values)
10.0
Tj=150 °C
(Typical values)
1.0
0.1
0.0 0.5 1.0 1.5 2.0 2.5 3.0
T
°C
= 25
j
(Maximum values)
VFM(V)
Figure 4. Peak reverse recovery current
versus dI
/dt (typical values, per
F
diode)
I
RM
16
I
= I
F
F(AV)
V
= 160 V
R
14
= 125
T
°C
j
12
10
8
6
4
2
0
0 50 100 150 200 250 300 350 400 450 500
dIF/dt(A/µs)
Doc ID 023126 Rev 1 3/8
Characteristics STTH20W02C
Figure 5. Reverse recovery time versus dIF/dt
(typical values, per diode)
trr(ns)
70
60
50
40
30
20
10
0
0 50 100 150 200 250 300 350 400 450 500
I
= I
F
F(AV)
V
= 160 V
R
= 125
T
j
dIF/dt(A/µs)
°C
Figure 7. Relative variations of dynamic
parameters versus junction temperature
1.4
S
1.2
FACTOR
1.0
0.8
I
RM
0.6
0.4
Q
RR
0.2
0.0 25 50 75 100 125
reference:T
I
V
= I
F
= 160 V
R
= 125
j
F(AV)
°C
Tj(°C)
Figure 6. Reverse recovery charges versus
dI
/dt (typical values, per diode)
F
QRR(nC)
300
I
= I
F
F(AV)
V
= 160 V
R
250
= 125
T
°C
j
200
150
100
50
dIF/dt(A/µs)
0
0 50 100 150 200 250 300 350 400 450 500
Figure 8. Reverse recovery softness factor
versus dI
/dt (typical values, per
F
diode)
S factor
0.8
I
= I
F
F(AV)
V
0.7
= 160 V
R
= 125
T
°C
j
0.6
0.5
0.4
0.3
0.2
0.1
0.0 0 50 100 150 200 250 300 350 400 450 500
dIF/dt(A/µs)
4/8 Doc ID 023126 Rev 1
STTH20W02C Characteristics
Figure 9. Forward recovery time versus dIF/dt
(typical values, per diode)
Figure 10. Transient peak forward voltage
versus dI
/dt (typical values, per
F
diode)
tfr(ns)
100
80
60
40
20
I= I
FF(AV)
V = 1 V
FR
T = 125 °C
j
dIF/dt(A/µs)
0
0 50 100 150 200 250 300 350 400 450 500
VFP(V)
5
I
= I
F
F(AV)
°
= 125
T
C
j
4
3
2
1
dIF/dt(A/µs)
0
0 50 100 150 200 250 300 350 400 450 500

Figure 11. Junction capacitance versus reverse voltage applied (typical values, per diode)

C(pF)
100
F = 1 MHz
V
OSC
T
j
= 30 mV = 25 °C
RMS
VR(V)
10
1 10 100 1000
Doc ID 023126 Rev 1 5/8
Package information STTH20W02C

2 Package information

Epoxy meets UL94, V0
Cooling method: by conduction (C)
Recommended torque value: 0.55 N·m (1.0 N·m maximum)
In order to meet environmental requirements, ST offers these devices in different grades of ECOPACK specifications, grade definitions and product status are available at: www.st.com ECOPACK

Table 6. TO-247 dimensions

®
packages, depending on their level of environmental compliance. ECOPACK®
®
is an ST trademark.
.
Dimensions
Ref.
Millimeters Inches
Min. Max. Min. Max.
A 4.85 5.15 0.191 0.203
D 2.20 2.60 0.086 0.102
V
V
Dia
E 0.40 0.80 0.015 0.031
F 1.00 1.40 0.039 0.055
F1 3.00 typ. 0.118 typ.
H
A
F2 2.00 typ. 0.078 typ.
F3 2.00 2.40 0.078 0.094
L5
F4 3.00 3.40 0.118 0.133
G 10.90 typ. 0.429 typ.
L
L2
L4
F2
F4
F3
L1
L3
D
EM
F1
V2
F(x3)
G
H 15.45 15.75 0.608 0.620
L 19.85 20.15 0.781 0.793
L1 3.70 4.30 0.145 0.169
L2 18.50 typ. 0.728 typ.
L3 14.20 14.80 0.559 0.582
L4 34.60 typ. 1.362 typ.
L5 5.50 typ. 0.216 typ.
6/8 Doc ID 023126 Rev 1
M 2.00 3.00 0.078 0.118
V 5° typ. 5° typ.
V2 60° typ. 60° typ.
Dia. 3.55 3.65 0.139 0.143
STTH20W02C Ordering information

3 Ordering information

Table 7. Ordering information

Ordering type Marking Package Weight Base qty Delivery mode
STTH20W02CW STTH20W02CW TO-247 4.46 g 50 Tube

4 Revision history

Table 8. Document revision history

Date Revision Changes
18-May-2012 1 First issue.
Doc ID 023126 Rev 1 7/8
STTH20W02C
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8/8 Doc ID 023126 Rev 1
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