June 2010 Doc ID 10176 Rev 2 1/11
11
STTH2002C
High efficiency ultrafast diode
Features
■Suited for SMPS
■Low losses
■Low forward and reverse recovery times
■Low leakage current
■High junction temperature
■Insulated package: TO-220FPAB
Description
Dual center tap rectifier suited for switch mode
power supplies and high frequency DC to DC
converters.
Packaged in TO-220AB, D2PAK, TO-220FPAB
and I2PAK, this device is intended for use in low
voltage, high frequency inverters, free wheeling
and polarity protection applications.
Table 1. Device summary
Symbol Value
IF(AV) Up to 2 x 10 A
VRRM 200 V
Tj (max) 175 °C
VF(typ) 0.78 V
trr (typ) 22 ns
TO-220AB
STTH2002CT
I2PAK
STTH2002CR
D2PAK
STTH2002CG
TO-220FPAB
STTH2002CFP
A1
A2
K
A1
A2
K
A1
A2
K
A1
A2
KA1
A2
K
K
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Characteristics STTH2002C
2/11 Doc ID 10176 Rev 2
1 Characteristics
When the diodes 1 and 2 are used simultaneously:
Δ Tj (diode1) = P(diode1) x Rth(j-c) (per diode) + P(diode2) x Rth(c)
Table 2. Absolute ratings (limiting values, per diode)
Symbol Parameter Value Unit
VRRM Repetitive peak reverse voltage 200 V
IF(RMS) Forward rms current 30 A
IF(peak)
Avarage forward
current δ = 0.5
I2PAK, D2PA K ,
TO-220AB
Tc = 150 °C Per diode 10 A
Tc = 140 °C Per device 20 A
Tc = 130 °C Per diode 15 A
Tc = 115 °C Per device 30 A
TO-220FPAB Tc = 120 °C Per diode 10 A
Tc = 85 °C Per device 20 A
IFSM Surge non repetitive forward current tp = 10 ms sinusoidal 90 A
Tstg Storage temperature range -65 to + 175 °C
TjMaximum operating junction temperature 175 °C
Table 3. Thermal parameters
Symbol Parameter Value (max) Unit
Rth(j-c) Junction to case
I2PAK , D2PAK,
TO-220AB
Per diode 2.5
°C/W
Per device 1.6
TO-220FPAB Per diode 5
Per device 3.8
Rth(c) Coupling I2PA K , D 2PAK, TO-220AB 0.7
TO-220FPAB 2.5
STTH2002C Characteristics
Doc ID 10176 Rev 2 3/11
To evaluate the conduction losses use the following equation:
P = 0.73 x IF(AV) + 0.020 IF2(RMS)
Table 4. Static electrical characteristics (per diode)
Symbol Parameter Test conditions Min. Typ. Max. Unit
IR(1) Reverse leakage current Tj = 25 °C VR = VRRM
10 µA
Tj = 125 °C 6 100
VF(2) Forward voltage drop
Tj = 25 °C IF = 10 A 1.1
V
Tj = 25 °C IF = 20 A 1.25
Tj = 150 °C IF = 10 A 0.78 0.89
Tj = 150 °C IF = 20 A 1.05
1. Pulse test: tp = 5 ms, δ < 2 %
2. Pulse test: tp = 380 µs, δ < 2 %
Table 5. Dynamic electrical characteristics
Symbol Parameter Test conditions Min. Typ. Max. Unit
trr Reverse recovery time Tj = 25 °C IF = 1 A, VR = 30 V
dIF/dt = 100 A/µs 22 27 ns
tfr Forward recovery time Tj = 25 °C
IF = 10 A,
dIF/dt = 100 A/µs
VFR = 1.1 x VFmax
200 ns
VFP Forward recovery voltage Tj = 25 °C IF = 10 A,
dIF/dt = 100 A/µs 2.4 V
IRM Reverse recovery current Tj = 125 °C
IF = 10 A,
VR = 160 V
dIF/dt = 200 A/µs
7.0 9.0 A
Characteristics STTH2002C
4/11 Doc ID 10176 Rev 2
Figure 1. Peak current versus duty cycle
(per diode)
Figure 2. Forward voltage drop versus
forward current
(typical values, per diode)
0
10
20
30
40
50
60
70
80
0.0 0.1 0.2 0.3 0.4 0.5 0.6 0.7 0.8 0.9 1.0
I (A)
M
T
δ=tp/T tp
IM
P = 20W
P = 10W
P = 5W
δ
0
10
20
30
40
50
60
70
80
90
100
0.0 0.2 0.4 0.6 0.8 1.0 1.2 1.4 1.6 1.8 2.0 2.2 2.4
V (V)
FM
I (A)
FM
T =25°C
j
T =150°C
j
Figure 3. Forward voltage drop versus
forward current
(maximum values, per diode)
Figure 4. Relative variation of thermal
impedance junction to case versus
pulse duration
0
10
20
30
40
50
60
70
80
90
100
0.0 0.2 0.4 0.6 0.8 1.0 1.2 1.4 1.6 1.8 2.0 2.2 2.4
I (A)
FM
V (V)
FM
T =25°C
j
T =150°C
j
Z/R
th(j-c) th(j-c)
0.1
1.0
1.E-03 1.E-02 1.E-01 1.E+00
Single pulse
t (s)
p
TO-220AB, D PAK, I PAK
22
Figure 5. Relative variation of thermal
impedance junction to case versus
pulse duration (TO-220FPAB)
Figure 6. Junction capacitance versus
reverse voltage applied
(typical values, per diode)
0.0
0.1
1.0
1.E-03 1.E-02 1.E-01 1.E+00 1.E+01
Z/R
th(j-c) th(j-c)
Single pulse
t (s)
p
10
100
0 50 100 150 200
C(pF)
V (V)
R
F=1MHz
V =30mV
T =25°C
OSC RMS
j
STTH2002C Characteristics
Doc ID 10176 Rev 2 5/11
Figure 7. Reverse recovery charges versus
dIF/dt (typical values, per diode)
Figure 8. Reverse recovery time versus dIF/dt
(typical values, per diode)
0
50
100
150
200
250
300
10 100 1000
Q (nC)
rr
dI /dt(A/µs)
F
I =10A
F
V =160V
R
T =125°C
j
T =25°C
j
0
10
20
30
40
50
60
70
80
10 100 1000
t (ns)
rr
T =25°C
j
T =125°C
j
dI /dt(A/µs)
F
I =10A
F
V =160V
R
Figure 9. Peak reverse recovery current
versus dIF/dt
(typical values, per diode)
Figure 10. Dynamic parameters versus
junction temperature
Figure 11. Thermal resistance junction to ambient versus copper surface under tab (Epoxy
printed circuit board FR4, copper thickness: 35 µm) for D2PAK
0
2
4
6
8
10
12
14
16
10 100 1000
I (A)
RM
T =25°C
j
T =125°C
j
dI /dt(A/µs)
F
I =10A
F
V =160V
R
0.0
0.2
0.4
0.6
0.8
1.0
1.2
1.4
25 50 75 100 125 150
IRM
Qrr
T (°C)
j
Q;
rr I [T ]/Q ;I [T =125°C]
RM j rr RM j
I =10A
F
V =160V
R
0
10
20
30
40
50
60
70
80
02468101214161820
S(Cu)(cm²)
R (°C/W)
th(j-a)
Package information STTH2002C
6/11 Doc ID 10176 Rev 2
2 Package information
●Epoxy meets UL94, V0
●Cooling method: by conduction (C)
●Recommended torque value : 0.4 to 0.6 N·n
In order to meet environmental requirements, ST offers these devices in different grades of
ECOPACK® packages, depending on their level of environmental compliance. ECOPACK®
specifications, grade definitions and product status are available at: www.st.com.
ECOPACK® is an ST trademark.
Table 6. I2PAK dimensions
Ref.
Dimensions
Millimeters Inches
Min. Max. Min. Max.
A 4.40 4.60 0.173 0.181
A1 2.40 2.72 0.094 0.107
b 0.61 0.88 0.024 0.035
b1 1.14 1.70 0.044 0.067
c 0.49 0.70 0.019 0.028
c2 1.23 1.32 0.048 0.052
D 8.95 9.35 0.352 0.368
e 2.40 2.70 0.094 0.106
e1 4.95 5.15 0.195 0.203
E 10 10.40 0.394 0.409
L 13 14 0.512 0.551
L1 3.50 3.93 0.138 0.155
L2 1.27 1.40 0.050 0.055
E
L2
L1
b1
D
A1
c
c2
A
b
e
e1
L
STTH2002C Package information
Doc ID 10176 Rev 2 7/11
Figure 12. Footprint (dimensions in mm)
Table 7. D2PAK dimensions
Ref.
Dimensions
Millimeters Inches
Min. Typ. Max. Min. Typ. Max.
A 4.30 4.60 0.169 0.181
A1 2.49 2.69 0.098 0.106
A2 0.03 0.23 0.001 0.009
B 0.70 0.93 0.027 0.037
B2 1.25 1.40 0.048 0.055
C 0.45 0.60 0.017 0.024
C2 1.21 1.36 0.047 0.054
D 8.95 9.35 0.352 0.368
E 10.00 10.28 0.393 0.405
G 4.88 5.28 0.192 0.208
L 15.00 15.85 0.590 0.624
L2 1.27 1.40 0.050 0.055
L3 1.40 1.75 0.055 0.069
R 0.40 0.016
V2 0° 8° 0° 8°
G
L
L3
L2
B
B2
E
2mm min.
FLAT ZONE
A
C2
D
R
A2
V2
C
A1
16.90
10.30
8.90 3.70
5.08
1.30
Package information STTH2002C
8/11 Doc ID 10176 Rev 2
Table 8. TO-220AB dimensions
Ref.
Dimensions
Millimeters Inches
Min. Max. Min. Max.
A 4.40 4.60 0.173 0.181
C 1.23 1.32 0.048 0.051
D 2.40 2.72 0.094 0.107
E 0.49 0.70 0.019 0.027
F 0.61 0.88 0.024 0.034
F1 1.14 1.70 0.044 0.066
F2 1.14 1.70 0.044 0.066
G 4.95 5.15 0.194 0.202
G1 2.40 2.70 0.094 0.106
H2 10 10.40 0.393 0.409
L2 16.4 typ. 0.645 typ.
L4 13 14 0.511 0.551
L5 2.65 2.95 0.104 0.116
L6 15.25 15.75 0.600 0.620
L7 6.20 6.60 0.244 0.259
L9 3.50 3.93 0.137 0.154
M 2.6 typ. 0.102 typ.
Diam. 3.75 3.85 0.147 0.151
A
C
D
L7
Dia
L5
L6
L9
L4
F
H2
G
G1
L2
F2
F1
E
M
STTH2002C Package information
Doc ID 10176 Rev 2 9/11
Table 9. TO-220FPAB dimensions
Ref.
Dimensions
Millimeters Inches
Min. Max. Min. Max.
A 4.4 4.6 0.173 0.181
B 2.5 2.7 0.098 0.106
D 2.5 2.75 0.098 0.108
E 0.45 0.70 0.018 0.027
F 0.75 1 0.030 0.039
F1 1.15 1.5 0.045 0.059
F2 1.15 1.5 0.045 0.059
G 4.95 5.20 0.195 0.205
G1 2.4 2.7 0.094 0.106
H 10 10.4 0.393 0.409
L2 16 Typ. 0.63 Typ.
L3 28.6 30.6 1.126 1.205
L4 9.8 10.6 0.386 0.417
L5 2.9 3.6 0.114 0.142
L6 15.9 16.4 0.626 0.646
L7 9.00 9.30 0.354 0.366
Dia. 3.00 3.20 0.118 0.126
H
A
B
Dia
L7
L6
L5
F1
F2
F
D
E
L4
G1
G
L2
L3
Ordering information STTH2002C
10/11 Doc ID 10176 Rev 2
3 Ordering information
4 Revision history
Table 10. Ordering information
Order code Marking Package Weight Base qty Delivery mode
STTH2002CT STTH2002CT TO-220AB 2.23 g 50 Tube
STTH2002CG STTH2002CG D2PAK 1.48 g 50 Tube
STTH2002CG-TR STTH2002CG D2PAK 1.48 g 1000 Tape and reel
STTH2002CR STTH2002CR I2PAK 1.49 g 50 Tube
STTH2002CFP STTH2002CFP TO-220AB 1.70 g 50 Tube
Table 11. Document revision history
Date Revision Changes
Feb-2004 1 First issue.
23-Jun-2010 2 Updated Ta b l e 1 . Updated ECOPACK statement.
STTH2002C
Doc ID 10176 Rev 2 11/11
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