Main product characteristics
STTH802
Ultrafast recovery diode
I
F(AV)
V
RRM
T
j (max)
(typ) 0.8 V
V
F
(typ) 17 ns
t
rr
8 A
200 V
175° C
Features and benefits
■ Very low conduction losses
■ Negligible switching losses
■ Low forward and reverse recovery time
■ High junction temperature
Description
The STTH802 uses ST's new 200 V planar Pt
doping technology, and is specially suited for
switching mode base drive and transistor circuits.
Packaged in TO-220AC, TO-220FPAC, DPAK,
2
and D
voltage, high frequency inverters, free wheeling
and polarity protection.
PAK this device is intended for use in low
K
TO-220AC
STTH802D
K
A
A
K
NC
DPAK
STTH802B
K
A
K
TO-220FPAC
STTH802FP
K
A
A
NC
2
DPAK
STTH802G
Order codes
Part Number Marking
STTH802D STTH802
STTH802FP STTH802
STTH802B STTH802
STTH802B-TR STTH802
STTH802G STTH802
STTH802G-TR STTH802
September 2006 Rev 2 1/11
www.st.com
Characteristics STTH802
1 Characteristics
Table 1. Absolute ratings (limiting values at T
= 25° C, unless otherwise specified)
j
Symbol Parameter Value Unit
V
RRM
I
F(RMS)
I
F(AV)
Repetitive peak reverse voltage 200 V
RMS forward current 16 A
Average
forward
current, δ = 0.5
TO-220A, DPAK, D
TO-220FPAC
2
PA K
= 145° C
T
c
T
= 125° C
c
8A
Surge non
I
FSM
repetitive
tp = 10 ms Sinusoidal 100 A
forward current
T
stg
T
j
Table 2. Thermal parameters
Storage temperature range -65 to + 175 ° C
Maximum operating junction temperature 175 ° C
Symbol Parameter Value Unit
2
PA K 3 .2
R
th(j-c)
Table 3. Static electrical characteristics
Junction to case
TO-220AC, DPAK, D
TO-220FPAC 5.5
° C/W
Symbol Parameter Test conditions Min. Typ Max. Unit
(1)
I
R
V
1. Pulse test: tp = 5 ms, δ < 2 %
2. Pulse test: t
Reverse leakage current
(2)
Forward voltage drop
F
= 380 µs, δ < 2 %
p
= 25° C
j
= 125° C 6 60
T
j
T
= 25° C
j
= 150° C 0.8 0.90
T
j
V
R
= 8 A
I
F
= V
RRM
0.95 1.05
6
T
To evaluate the conduction losses use the following equation:
P = 0.73 x I
F(AV)
+ 0.021 I
F2(RMS)
µA
V
2/11
STTH802 Characteristics
Table 4. Dynamic characteristics
Symbol Parameter
t
rr
I
RM
t
fr
V
FP
Reverse recovery time
Reverse recovery current
Forward recovery time
Forward recovery voltage
Test conditions
I
= 1 A, dIF/dt = -50 A/µs,
F
VR = 30 V, Tj = 25 °C
= 1 A, dIF/dt = -100 A/µs,
I
F
= 30 V, Tj = 25 °C
V
R
= 8 A, dIF/dt = -200 A/µs,
I
F
VR = 160 V, Tj = 125 °C
I
= 8 A, dIF/dt = 50 A/µs
F
VFR = 1.1 x V
, Tj = 25 °C
Fmax
IF = 8 A, dIF/dt = 50 A/µs,
= 25 °C
T
j
Min. Typ Max. Unit
25 30 ns
17 22
5.5 7 A
150 ns
1.5 V
Figure 1. Peak current versus duty cycle Figure 2. Forward voltage drop versus
forward current (typical values)
IM(A)
100
80
60
40
20
0
P = 5 WP = 5 W
P = 2 WP = 2 W
P = 1 WP = 1 W
0.0 0.1 0.2 0.3 0.4 0.5 0.6 0.7 0.8 0.9 1.0
T
T
I
I
M
M
=tp/T
=tp/T
d
δ
tp
tp
δ
IFM(A)
200
180
160
140
120
100
80
60
40
20
0
0.0 0.5 1.0 1.5 2.0 2.5 3.0
Tj=150°C
Tj=25°C
VFM(V)
Figure 3. Forward voltage drop versus
forward current (maximum values)
IFM(A)
200
180
160
140
120
100
80
60
40
20
0
0.0 0.5 1.0 1.5 2.0 2.5 3.0
Tj=150°C
Tj=25°C
VFM(V)
Figure 4. Relative variation of thermal
impedance, junction to case,
versus pulse duration (TO-220AC,
DPAK, D
Z
th(j-c)/Rth(j-c)
1.0
Single pulse
TO-220AC
DPAK
2
DPAK
0.1
1.E-03 1.E-02 1.E-01 1.E+00
3/11
2
PAK)
tp(s)
Characteristics STTH802
Figure 5. Relative variation of thermal
impedance, junction to case,
versus pulse duration
(TO-220FPAC)
Z
th(j-c)/Rth(j-c)
1.0
Single pulse
TO-220FPAC
0.1
0.0
1.E-03 1.E-02 1.E-01 1.E+00 1.E+01
tp(s)
Figure 7. Reverse recovery charges versus
dI
/dt (typical values)
F
QRR(nC)
160
IF=8A
=160V
V
140
R
120
100
80
60
40
20
0
10 100 1000
Tj=125°C
Tj=25°C
dIF/dt(A/µs)
Figure 6. Junction capacitanceversus
reverse applied voltage (typical
values)
C(pF)
100
10
1 10 100 1000
V
F=1MHz
=30mV
osc
Tj=25°C
RMS
VR(V)
Figure 8. Reverse recovery time versus dI
(typical values)
tRR(ns)
80
70
60
50
40
30
20
10
0
10 100 1000
Tj=125°C
Tj=25°C
IF=8A
V
=160V
R
dIF/dt(A/µs)
F
/dt
Figure 9. Peak reverse recovery current
versus dI
IRM(A)
12
IF=8A
V
=160V
R
10
8
6
4
2
0
10 100 1000
/dt (typical values)
F
Tj=125°C
Tj=25°C
dIF/dt(A/µs)
Figure 10. Dynamic parameters versus
junction temperature
QRR;IRM[Tj]/QRR;IRM[Tj=125°C]
1.4
IF=8A
V
=160V
R
1.2
1.0
I
0.8
0.6
0.4
0.2
0.0
25 50 75 100 125 150
RM
Q
RR
Tj(°C)
4/11