Infineon BAS78 Silicon switching diode Datasheet

BAS78A...BAS78D
Silicon Switching Diodes
Switching applications
4
High breakdown voltage
3
2
1
VPS05163
2, 4
1
EHA00004
Type
Marking
Pin Configuration
Package
BAS78A
BAS 78A
1=A
2=C
3 = n.c. 4 = C
SOT223
BAS78B
BAS 78B
1=A
2=C
3 = n.c. 4 = C
SOT223
BAS78C
BAS 78C
1=A
2=C
3 = n.c. 4 = C
SOT223
BAS78D
BAS 78D
1=A
2=C
3 = n.c. 4 = C
SOT223
Maximum Ratings
Parameter
Symbol
BAS
BAS
BAS
BAS
78A
78B
78C
78D
Unit
Diode reverse voltage
VR
50
100
200
400
V
Peak reverse voltage
VRM
50
100
200
400
Forward current
IF
1
Peak forward current
IFM
1
Surge forward current, t = 1 s
IFS
10
Total power dissipation, TS = 124 °C
Ptot
1.2
W
Junction temperature
Tj
150
°C
Storage temperature
Tstg
A
-65 ... 150
Thermal Resistance
Junction - soldering point 1)
RthJS
22
K/W
1For calculation of R
thJA please refer to Application Note Thermal Resistance
1
Aug-20-2001
BAS78A...BAS78D
Electrical Characteristics at TA = 25°C, unless otherwise specified.
Parameter
Symbol
Values
min.
typ.
Unit
max.
DC characteristics
Breakdown voltage
V
V(BR)
I(BR) = 100 µA
BAS78A
50
-
-
BAS78B
100
-
-
BAS78C
200
-
-
BAS78D
400
-
-
IF = 1 A
-
-
1.6
IF = 2 A
-
-
2
IR
-
-
1
IR
-
-
50
CD
-
10
-
pF
trr
-
1
-
µs
Forward voltage
VF
Reverse current
µA
VR = VRmax
Reverse current
VR = VRmax , TA = 150 °C
AC characteristics
Diode capacitance
VR = 0 V, f = 1 MHz
Reverse recovery time
IF = 200 mA, IR = 200 mA, RL = 100 ,
measured at IR = 200mA
Test circuit for reverse recovery time
DUT
tr
tp
10%
ΙF
t
t rr
ΙF
t
Oscillograph
Ι R = 20 mA
90%
EHN00020
VR
Pulse generator: tp = 10µs, D = 0.05,
tr = 0.6ns, Ri = 50
Oscillograph: R = 50, tr = 0.35ns,
C 1pF
2
Aug-20-2001
BAS78A...BAS78D
Forward current IF = f (TS )
Forward current IF = f (V F)
TA = 25°C
10 1
1200
mA
ΙF
BAS 78A...D
EHB00047
A
1000
10 0
900
IF
800
700
10 -1
600
500
400
10 -2
300
200
100
0
0
15
30
45
60
75
90 105 120 °C
10 -3
150
TS
0
1
V
2
VF
Reverse current IR = f (TA)
VR = VRmax
10
5
BAS 78A...D
EHB00048
nA
ΙR
10
max
4
5
10
typ
3
5
10 2
5
10 1
0
50
100
C
150
TA
3
Aug-20-2001
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