BAW78.../BAW79...
Silicon Switching Diodes
•
Switching applications
•
High breakdown voltage
•
Pb-free (RoHS compliant) package
1)
•
Qualified according AEC Q101
BAW78D
BAW79D
!
!
Type
BAW78D
BAW79D
Parameter
Diode reverse voltage
Peak reverse voltage
Forward current
Peak forward current
Peak forward current
Package
SOT89
SOT89
Configuration
single
common cathode
Symbol
V
R
V
RM
I
F
I
FM
I
FM
I
FS
I
FSM
P
tot
1
1
T
j
T
stg
150
-65 ... 150
Value
400
400
1
1
1
10
-
Marking
GD
GH
Unit
V
A
Maximum Ratings
at
T
A
= 25°C, unless otherwise specified
Surge forward current,
t
= 1 µs
Non-repetitive peak surge forward current
Total power dissipation
BAW78D,
T
S
≤
125°C
BAW79D,
T
S
≤
115°C
Junction temperature
Storage temperature
1
Pb-containing
W
°C
package may be available upon special request
1
2007-04-20
BAW78.../BAW79...
Thermal Resistance
Parameter
Junction - soldering point
1)
BAW78D
BAW79D
Symbol
R
thJS
Value
≤
25
≤
35
Unit
K/W
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
V
R
= 400 V
V
R
= 400 V,
T
A
= 150 °C
Forward voltage
I
F
= 1 A
I
F
= 2 A
AC Characteristics
Diode capacitance
V
R
= 0 V,
f
= 1 MHz
Reverse recovery time
I
F
= 200mA,
I
R
= 200mA, measured at
I
R
= 20mA
R
L
= 100Ω
Test circuit for reverse recovery time
D.U.T.
I
R
-
-
-
-
1
50
µA
V
F
-
-
C
T
t
rr
-
-
,
V
-
-
10
1
1.6
2
-
-
pF
µs
Puls generator:
t
p
= 10µs,
D
= 0.05,
t
r
= 0.6ns,
R
i
= 50Ω
Oscillograph
Ι
F
EHN00019
Oscillograp:
R
= 50Ω,
t
r
= 0.35ns
C
≤
1pF
1
For
calculation of
R
thJA
please refer to Application Note Thermal Resistance
2
2007-04-20
BAW78.../BAW79...
Reverse current
I
R
=
ƒ
(T
A
)
V
R
= 400V
5
BAW 78A...D
EHB00097
Forward current
I
F
=
ƒ
(V
F
)
T
A
= 25°C
10
1
BAW 78A...D
EHB00095
Ι
R
10
nA
Ι
F
max
A
10
4
5
10
0
10
5
3
typ.
10
-1
10
2
5
10
-2
10
1
0
50
100
˚C
T
A
150
10
-3
0
1
V
V
F
2
Peak forward current
I
FM
=
ƒ
(t
p
)
Forward current
I
F
=
ƒ
(T
S
)
BAW78D
10
2
BAW 79A...D
EHB00100
Ι
FM
A
10
1
D
= 0.005
0.01
0.02
0.05
0.1
0.2
I
F
1200
mA
1000
900
800
700
10
0
600
500
400
10
-1
300
t
p
t
p
D
=
T
T
200
100
10
-2
10
-6
10
-5
10
-4
10
-3
10
-2
10
-1
s 10
0
0
0
15
30
45
60
75
90 105 120
°C
150
t
T
S
3
2007-04-20
BAW78.../BAW79...
Forward current
I
F
=
ƒ
(T
S
)
BAW79D
1200
mA
1000
900
800
I
F
700
600
500
400
300
200
100
0
0
15
30
45
60
75
90 105 120
°C
150
T
S
4
2007-04-20
Package SOT89
BAW78.../BAW79...
Package Outline
4.5
±0.1
45˚
0.25
±0.05
B
1.5
±0.1
0.2 MAX.
10˚ MAX.
1)
1.6
±0.2
2.5
±0.1
1
±0.1
4
±0.25
0.15
1
2
3
1.5
0.35
±0.1
0.45
+0.2
-0.1
3
0.2
B
0.15
M
B x3
1) Ejector pin markings possible
Foot Print
2.0
0.8
0.8
0.7
Marking Layout (Example)
BAW78D
Type code
Standard Packing
Reel ø180 mm = 1.000 Pieces/Reel
Reel ø330 mm = 4.000 Pieces/Reel
8
0.2
1.2
1.0
2.5
Pin 1
2005, June
Date code (YM)
Manufacturer
Pin 1
4.6
12
1
±0.2
4.3
1.6
5
2.75
+0.1
-0.15
1)
2007-04-20
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