
K
NC
A
A
K
K
NC
A
A
K
K
TO-220AC
TO-220AC insulated
D²PAK
DPAK
A
K
STPSC8H065
Datasheet
650 V, 8 A high surge silicon carbide power Schottky diode
Features
• No reverse recovery charge in application current range
• Switching behavior independent of temperature
• High forward surge capability
• Insulated package TO-220AC Ins:
– Insulated voltage: 2500 V
– Typical package capacitance: 7 pF
• Power efficient product
Applications
• Switch mode power supply
• PFC
• DCDC converters
• LLC topologies
• Boost diode
RMS
Description
This 8 A, 650 V SiC diode is an ultrahigh performance power Schottky diode. It is
manufactured using a silicon carbide substrate. The wide band gap material allows
the design of a Schottky diode structure with a 650 V rating. Due to the Schottky
Product status
STPSC8H065
Product summary
Symbol Value
I
F(AV)
V
RRM
T
j(max.)
Product label
8 A
650 V
175 °C
construction, no recovery is shown at turn-off and ringing patterns are negligible. The
minimal capacitive turn-off behavior is independent of temperature.
This STPSC8H065 is especially suited for use in PFC applications. This ST SiC
diode will boost the performance in hard switching conditions. Its high forward surge
capability ensures a good robustness during transient phases.
DS9225 - Rev 7 - February 2019
For further information contact your local STMicroelectronics sales office.
www.st.com

1 Characteristics
Table 1. Absolute ratings (limiting values at 25 °C unless otherwise specified)
Symbol Parameter Value Unit
V
I
F(RMS)
I
1. Value based on R
2. (dP
Repetitive peak reverse voltage 650 V
RRM
Forward rms current 22 A
Average forward current
F(AV)
Surge non repetitive forward
I
FSM
current
I
Repetitive peak forward current
FRM
T
Storage temperature range -55 to +175 °C
stg
T
Operating junction temperature range
j
th(j-c)
/dTj) < (1/R
tot
) condition to avoid thermal runaway for a diode on its own heatsink.
th(j-a)
max.
TO-220AC, DPAK, D2PAK, Tc = 140 °C
TO-220AC Ins,Tc = 95 °C
(1)
tp = 10 ms sinusoidal, Tc = 25 °C
tp = 10 ms sinusoidal, Tc = 125 °C
tp = 10 µs square, Tc = 25 °C
TO-220AC, DPAK, D2PAK, Tc = 140 °C
TO-220AC Ins,Tc = 95 °C
(2)
(1)
, Tj = 175 °C, δ = 0.1
(1)
, DC
(1)
, Tj = 175 °C, δ = 0.1
STPSC8H065
Characteristics
8 A
75
69
420
33 A
-40 to +175 °C
A
Table 2. Thermal resistance parameters
Symbol
R
th(j-c)
Junction to case
Parameter Typ. value Max. value Unit
TO-220AC, DPAK, D2PAK
1.3 1.6
TO-220AC Ins 2.45 3.8
Table 3. Static electrical characteristics
Symbol
(1)
I
R
V
F
Reverse leakage current
(2)
Forward voltage drop
1. tp = 10 ms, δ < 2%
2. tp = 500 μs, δ < 2%
Parameter Test conditions Min. Typ. Max. Unit
Tj = 25 °C
Tj = 150 °C
Tj = 25 °C
Tj = 150 °C
VR = V
IF = 8 A
RRM
- 7 80
- 65 335
- 1.56 1.75
- 1.98 2.50
To evaluate the conduction losses, use the following equation:
P = 1.35 x I
F(AV)
+ 0.144 x I
F2(RMS)
For more information, please refer to the following application notes related to the power losses :
• AN604: Calculation of conduction losses in a power rectifier
• AN4021: Calculation of reverse losses on a power diode
°C/W
µA
V
DS9225 - Rev 7
page 2/17

STPSC8H065
Characteristics
Table 4. Dynamic electrical characteristics
Symbol Parameter Test conditions Typ. Unit
Q
C
Total capacitive charge
cj
Total capacitance
j
1.
Most accurate value for the capacitive charge: QcjVR= ∫
VR = 400 V
VR = 0 V, Tc = 25 °C, F = 1 MHz
VR = 400 V, Tc = 25 °C, F = 1 MHz
V
R
CjV dV
0
23.5 nC
414
38
pF
DS9225 - Rev 7
page 3/17

1.1 Characteristics (curves)
0
2
4
6
8
10
12
14
16
0.0 0.5 1.0 1.5 2.0 2.5 3.0 3.5
Ta=150 °C
Ta=175 °C
Ta=25 °C
Pulse test : tp=500µs
Ta=100 °C
A)IF(
V
F
(V)
0
10
20
30
40
50
60
70
80
0 1 2 3 4 5 6 7 8
Ta=150 °C
Ta=175 °C
Ta=25 °C
Pulse test : tp=500µs
Ta=100 °C
A)IF(
V
F
(V)
IR(µA)
1.E-02
1.E-01
1.E+00
1.E+01
1.E+02
1.E+03
0 50 100 150 200 250 300 350 400 450 500 550 600 650
Tj=25 °C
Tj=150 °C
Tj=175 °C
VR(V)
IM(A)
0
10
20
30
40
50
60
70
80
0 2 5 50 75 100 125 150 175
δ =0.1
δ =0.3
δ =0.5
δ =0.7
δ =1
TC(°C)
T
δ
=tp/T
tp
STPSC8H065
Characteristics (curves)
Figure 1. Forward voltage drop versus forward current
(typical values, low level)
Figure 3. Reverse leakage current versus reverse voltage
applied (typical values)
Figure 2. Forward voltage drop versus forward current
(typical values, high level)
Figure 4. Peak forward current versus case temperature
(TO-220AC, DPAK, D2PAK)
DS9225 - Rev 7
page 4/17

IM(A)
0
10
20
30
40
50
60
0 2 5 50 75 100 125 150 175
δ =0.1
δ =0.3
δ
=0.5
δ =0.7
δ =1
TC(°C)
T
δ
=tp/T
tp
0
50
100
150
200
250
300
350
400
450
500
0.1 1 .0 10.0 100.0 1000.0
F=1 MHz
V
OSC
=30 mV
RMS
Tj=25 °C
VR(V)
Cj(pF)
Z
th(j-c )/Rth(j-c )
0.0
0.1
0.2
0.3
0.4
0.5
0.6
0.7
0.8
0.9
1.0
1.E-05 1.E-04 1.E-03 1.E-02 1.E-01 1.E+00
Single pulse
tp(s)
0.0
0.1
0.2
0.3
0.4
0.5
0.6
0.7
0.8
0.9
1.0
1.E-04 1.E-03 1.E-02 1.E-01 1.E+00 1.E+01
Single pulse
Z
th(j-c )/Rth(j-c )
tp(s)
STPSC8H065
Characteristics (curves)
Figure 5. Peak forward current versus case temperature
(TO-220AC Ins)
Figure 7. Relative variation of thermal impedance junction
to case versus pulse duration (TO-220AC, DPAK and
D²PAK)
Figure 6. Junction capacitance versus reverse voltage
applied (typical values)
Figure 8. Relative variation of thermal impedance junction
to case versus pulse duration (TO-220AC Ins)
DS9225 - Rev 7
page 5/17

I
FSM
(A)
1.E+01
1.E+02
1.E+03
1.E-05 1.E-04 1.E-03 1.E-02
Ta=25 °C
Ta=125 °C
tp(s)
0
4
8
12
16
20
24
28
0 50 100 150 200 250 300 350 400
VR(V)
QCj(nC)
STPSC8H065
Characteristics (curves)
Figure 9. Non-repetitive peak surge forward current
versus pulse duration (sinusoidal waveform)
Figure 10. Total capacitive charges versus reverse
voltage applied (typical values)
DS9225 - Rev 7
page 6/17