D
S11001 Rev. G-2 1 of 1 BAT42 / BAT43
BAT42 / BAT43
SCHOTTKY BARRIER SWITCHING DIODE
Features
Low Forward Voltage Drop
Fast Switching Speeds
Guard Ring Construction for Transient
Protection
Surface Mount Versions Available
(LL42 / LL43)
Case: DO-35, Plastic
Leads: Solderable per MIL-STD-202,
Method 208
Marking: Type Number
Polarity: Cathode Band
Weight: 0.13 grams (approx.)
Mechanical Data
Maximum Ratings
@ T
A
= 25
C unless otherwise specified
Notes:
1. Valid provided that leads are kept at ambient temperature.
2. t < 300
ms, Duty Cycle < 2%.
Electrical Characteristics
@ T
A
= 25C unless otherwise specified
Characteristic
Symbol
BAT42
BAT43
Unit
Peak Repetitive Reverse Voltage
Working Peak Reverse Voltage
DC Blocking Voltage
V
RRM
V
RWM
V
R
30
V
RMS Reverse Voltage
V
R(RMS)
21
V
Forward Continuous Current (Note 1)
I
FM
200
mA
Repetitive Peak Forward Current (Note 1)
@ t < 1.0s
Duty Cycle < 50%
I
FRM
500
mA
Non-Repetitive Peak Forward Surge Current @ t = 10ms
I
FSM
4.0
A
Power Dissipation (Note 1)
P
d
200
mW
Thermal Resistance, Junction to Ambient Air (Note 1)
R
qJA
500
K/W
Operating and Storage Temperature Range
T
j
, T
STG
-55 to +125
C
Characteristic
Symbol
Min
Typ
Max
Unit
Test Condition
Reverse Breakdown Voltage
V
(BR)R
30
V
I
RS
= 100
mA Pulses
Maximum Forward Voltage Drop (Note 2)
All Types
BAT42
BAT42
BAT43
BAT43
V
FM
0.26
1.00
0.40
0.65
0.33
0.45
V
I
F
= 200mA
I
F
= 10mA
I
F
= 50mA
I
F
= 2.0mA
I
F
= 15mA
Maximum Peak Reverse Current (Note 2)
I
RM
0.50
100
mA
V
R
= 25V
V
R
= 25V, Tj = 100C
Junction Capacitance
C
j
10
pF
V
R
= 1.0V, f = 1.0MHz
Reverse Recovery Time
t
rr
5.0
ns
I
F
= I
R
= 10mA,
I
rr
= 0.1 x I
R
, R
L
= 100
W
Rectification Efficiency
hv
80
%
R
L
= 100
W, C
L
= 300pF,
f = 45MHz, V
RF
= 2.0V
A
A
B
C
D
DO-35
Dim
Min
Max
A
25.40
B
4.00
C
0.60
D
2.00
All Dimensions in mm
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