INFINEON BAW79

BAW78.../BAW79...
Silicon Switching Diodes
Switching applications
High breakdown voltage
BAW78D
BAW79D
2
1
2
2
3
1
2
Type
BAW78D
BAW79D
3
Package
SOT89
SOT89
Configuration
single
common cathode
Marking
GD
GH
Maximum Ratings at TA = 25°C, unless otherwise specified
Parameter
Symbol
Value
Diode reverse voltage
VR
400
Peak reverse voltage
VRM
400
Forward current
IF
1
Peak forward current
IFM
1
Surge forward current, t = 1 µs
IFS
10
Total power dissipation
Ptot
1
BAW79D, TS ≤ 115°C
1
Tj
Storage temperature
Tstg
Thermal Resistance
Parameter
Symbol
Junction - soldering point1)
RthJS
150
A
°C
-65 ... 150
Value
Unit
K/W
BAW78D
≤ 25
BAW79D
≤ 35
1
V
W
BAW78D, TS ≤ 125°C
Junction temperature
Unit
Feb-03-2003
BAW78.../BAW79...
1For
calculation of RthJA please refer to Application Note Thermal Resistance
Electrical Characteristics at T A = 25°C, unless otherwise specified
Parameter
Symbol
Values
Unit
min.
typ. max.
DC Characteristics
400
V
Breakdown voltage
V(BR)
I (BR) = 100 µA
Reverse current
IR
VR = 400 V
-
-
-
-
VR = 400 V, TA = 150 °C
µA
1
50
Forward voltage
V
VF
IF = 1 A
-
-
1.6
IF = 2 A
-
-
2
CT
-
10
-
pF
t rr
-
1
-
µs
AC Characteristics
Diode capacitance
VR = 0 V, f = 1 MHz
Reverse recovery time
I F = 200mA, I R = 200mA, measured at I R = 20mA
RL = 100
,
Test circuit for reverse recovery time
D.U.T.
ΙF
Puls generator: t p = 10µs, D = 0.05,
tr = 0.6ns, R i = 50
Oscillograph
EHN00019
Oscillograp: R = 50, tr = 0.35ns
C 1pF
2
Feb-03-2003
BAW78.../BAW79...
Reverse current IR = (TA )
Forward current IF = (VF)
VR = 400V
TA = 25°C
ΙR
BAW 78A...D
10 5
nA
EHB00097
10 1
ΙF
max
10 4
BAW 78A...D
EHB00095
A
10 0
5
typ.
10 3
10 -1
5
10 2
10 -2
5
10 1
0
100
50
˚C
10 -3
150
0
1
V
TA
Peak forward current IFM = (tp)
2
VF
Forward current IF = (TS )
BAW78D
10 2
EHB00100
1200
mA
D = 0.005
0.01
0.02
0.05
0.1
0.2
A
10 1
1000
900
800
IF
Ι FM
BAW 79A...D
10 0
700
600
500
400
10 -1
300
tp
D=
T
tp
200
100
T
10-2
10-6
10-5
10-4
10-3
10-2
0
0
10-1 s 100
15
30
45
60
75
90 105 120 °C
150
TS
t
3
Feb-03-2003
BAW78.../BAW79...
Forward current IF = (TS )
BAW79D
1200
mA
1000
900
IF
800
700
600
500
400
300
200
100
0
0
15
30
45
60
75
90 105 120 °C
150
TS
4
Feb-03-2003