BAT 42
BAT 43
SMALL SIGNAL SCHOTTKY DIODES
DESCRIPTION
General purpose, metal to silicon diodes featuring
very low turn-on voltage fast switching.
These devices have integrated protection against
excessivevoltage such as electrostaticdischarges.
August 1999 Ed: 1A
DO 35
(Glass)
Symbol
Parameter
Value
Unit
V
RRM
Repetitive Peak Reverse Voltage
30
V
I
F
Forward Continuous Current
T
a
= 25
C
200
mA
I
FRM
Repetitive Peak Fordware Current
t
p
1s
0.5
500
mA
I
FSM
Surge non Repetitive Forward Current*
t
p
= 10ms
4
A
P
tot
Power Dissipation*
T
l
= 65
C
200
mW
T
stg
T
j
Storage and Junction Temperature Range
- 65 to +150
- 65 to +125
C
C
T
L
Maximum Temperature for Soldering during 10s at 4mm from Case
230
C
ABSOLUTE RATINGS (limiting values)
Symbol
Test Conditions
Value
Unit
R
th(j-a)
Junction-ambient*
300
C/W
THERMAL RESISTANCE
* On infinite heatsink with 4mm lead length
1/4
* Pulse test: t
p
300
s
<
2%.
Symbol
Test Conditions
Min.
Typ.
Max.
Unit
V
BR
Tj = 25
C
I
R
= 100
A
30
V
V
F
*
T
j
= 25
C
I
F
= 200mA
All Types
1
V
T
j
= 25
C
I
F
= 10mA
BAT 42
0.4
T
j
= 25
C
I
F
= 50mA
0.65
T
j
= 25
C
I
F
= 2mA
BAT 43
0.26
0.33
T
j
= 25
C
I
F
= 15mA
0.45
I
R
*
T
j
= 25
C
V
R
= 25V
0.5
A
T
j
= 100
C
100
STATIC CHARACTERISTICS
ELECTRICAL CHARACTERISTICS
Symbol
Test Conditions
Min.
Typ.
Max.
Unit
C
T
j
= 25
C V
R
= 1V
f = 1MHz
7
pF
trr
Tj = 25
C I
F
= 10mA
I
R
= 10mA
i
rr
= 1mA
R
L
= 100
5
ns
h
T
j
= 25
C R
L
= 15K
C
L
= 300pF f = 45MHz V
i
= 2V
80
%
DYNAMIC CHARACTERISTICS
2/4
Figure 1. Forward current versus forward
voltage at different temperatures (typical
values).
Figure 2. Forward current versus forward
voltage (typical values).
BAT 42/BAT 43
Figure 3. Reverse current versus junction
temperature (typical values).
Figure 4. Reverse current versus continuous
reverse voltage.
Figure 5. Capacitance C versus rev erse
applied voltage V
R
(typical values).
3/4
BAT 42/BAT 43
Cooling method: by convection and conduction
Marking: clear, ring at cathode end.
Weight: 0.15g
PACKAGE MECHANICAL DATA
4/4
DO 35 Glass
note 2
B
A
B
C
note 1
note 1
D
D
O
/
O
/
O
/
E
E
REF.
DIMENSIONS
Millimeters
Inches
Min.
Max.
Min.
Max.
A
3.05
4.50
0.120
0.177
B
1.53
2.00
0.060
0.079
C
12.7
0.500
D
0.458
0.558
0.018
0.022
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BAT 42/BAT 43
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