ST STTH8R03DJF User Manual
Features
■ Suited for DC/DC converts
■ Low losses
■ High T
■
■ High energy avalanche capability
■ 1 mm package thickness
■ ECOPACK
J
High surge current capability
®
2 compliant component
STTH8R03DJF
Ultrafast recovery diode high efficiency
Datasheet − production data
A(1)
K
A(2)
K
K
Description
High performance diode suited for high frequency
DC to DC converters. Packaged in PowerFLAT™
5x6, this device is intended for use in low voltage
high frequency inverters.
A(2)
A(1)
PowerFLAT 5x6
STTH8R03DJF
Table 1. Device summary
Symbol Value
I
F(AV)
V
RRM
T
j
V
(typ) 0.8 V
F
(typ) 27 ns
t
rr
A(2)
A(1)
8 A
300 V
175 °C
TM: PowerFLAT is a trademark of STMicroelectronics
March 2012 Doc ID 022762 Rev 1 1/9
This is information on a product in full production.
www.st.com
9
Characteristics STTH8R03DJF
1 Characteristics
Table 2. Absolute ratings (limiting values with anode terminals short-circuited)
Symbol Parameter Value Unit
V
I
F(RMS)
I
F(AV)
I
T
Table 3. Thermal parameters
Repetitive peak reverse voltage 300 V
RRM
Forward rms current 45 A
Average forward current
Surge non repetitive forward current
FSM
Storage temperature range -65 to + 175 °C
stg
Maximum operating junction temperature 175 °C
T
j
Tc = 155 °C
δ = 0.5
= 10 ms
t
p
sinusoidal
8A
280 A
Symbol Parameter Maximum Unit
R
Table 4. Static electrical characteristics (anode terminals short-circuited)
Junction to case 2.0 °C/W
th(j-c)
Symbol Parameter Test conditions Min. Typ Max. Unit
(1)
I
V
1. Pulse test: tp = 5 ms, δ < 2%
2. Pulse test: tp = 380 µs, δ < 2%
Reverse leakage current
R
(2)
Forward voltage drop
F
T
= 25 °C
j
Tj = 125 °C 20 200
Tj = 25 °C
= 300V
V
R
1.08 1.3
IF = 8 A
= 125 °C 0.8 1.0
T
j
40
µA
V
To evaluate the maximum conduction losses use the following equation:
P = 0.84 x I
2/9 Doc ID 022762 Rev 1
F(AV)
+ 0.02 I
F2(RMS)
STTH8R03DJF Characteristics
Table 5. Recovery characteristics
Symbol Parameter
Reverse recovery time Tj = 25 °C
t
rr
I
Reverse recovery current
RM
S
Table 6. Turn-on switching characteristics
Reverse recovery
factor
softness factor
Reverse recovery charges 120 nC
Q
rr
Tj = 125 °C
Symbol Parameter
Test conditions
= 1 A
I
F
Vr = 30 V
/dt = 100 A/µs
dI
F
I
= 1 A
F
= 30 V
V
r
/dt = 50 A/µs
dI
F
I
= 8 A,
F
/dt = - 200 A/µs,
dI
F
= 200 V
V
CC
Test conditions
Min. Typ Max. Unit
27 35
ns
38 50
6.0 8.0 A
0.3 -
Min. Typ Max. Unit
t
Forward recovery time
fr
Tj = 25 °C
V
Forward recovery voltage 2.1 3.2 V
FP
IF = 8 A
dIF/dt = 100 A/µs
V
Figure 1. Average forward power dissipation
versus average forward current
P
(W)
F(AV)
12
δ
δ = 0.5
=tp/T
δ = 1
T
tp
10
8
6
4
2
0
012345678910
δ = 0.05
I
F(AV)
(A)
δ = 0.2
δ = 0.1
= 1.5 V
FR
Figure 2. Forward voltage drop versus
forward current
IFM(A)
100.0
Tj=125 °C
(Typical values)
10.0
1.0
0.1
Tj=125 °C
(Maximum values)
0.0 0.2 0.4 0.6 0.8 1.0 1.2 1.4 1.6 1.8 2.0 2.2
Tj=25 °C
(Maximum values)
150 ns
VFM(V)
Doc ID 022762 Rev 1 3/9
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