DS11001 Rev. G-2 1 of 1 BAT42 / BAT43
BAT42 / BAT43
SCHOTTKY BARRIER SWITCHING DIODE
Features
c183 Low Forward Voltage Drop
c183 Fast Switching Speeds
c183 Guard Ring Construction for Transient
Protection
c183 Surface Mount Versions Available
(LL42 / LL43)
c183 Case: DO-35, Plastic
c183 Leads: Solderable per MIL-STD-202,
Method 208
c183 Marking: Type Number
c183 Polarity: Cathode Band
c183 Weight: 0.13 grams (approx.)
Mechanical Data
Maximum Ratings
@ T
A
= 25c176C unless otherwise specified
Notes: 1. Valid provided that leads are kept at ambient temperature.
2. t < 300c109s, Duty Cycle < 2%.
Electrical Characteristics
@ T
A
= 25°C 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 VR(RMS) 21 V
Forward Continuous Current (Note 1) IFM 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 IFSM 4.0 A
Power Dissipation (Note 1) Pd 200 mW
Thermal Resistance, Junction to Ambient Air (Note 1) Rc113JA 500 K/W
Operating and Storage Temperature Range Tj,TSTG -55 to +125 °C
Characteristic Symbol Min Typ Max Unit Test Condition
Reverse Breakdown Voltage V(BR)R 30 c190c190V I
RS
= 100c109A Pulses
Maximum Forward Voltage Drop (Note 2) All Types
BAT42
BAT42
BAT43
BAT43
V
FM
c190
c190
c190
0.26
c190
c190
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) IRM c190c190
0.50
100
c109A
V
R
= 25V
V
R
= 25V, Tj = 100°C
Junction Capacitance Cj c190 10 c190 pF VR = 1.0V, f = 1.0MHz
Reverse Recovery Time trr c190c1905.0 ns
I
F
= I
R
= 10mA,
I
rr
= 0.1 x I
R
,R
L
= 100c87
Rectification Efficiency c104v80c190c190%
R
L
= 100c87, C
L
= 300pF,
f = 45MHz, V
RF
= 2.0V
A AB
C
D
DO-35
Dim Min Max
A 25.40 c190
B c190 4.00
C c190 0.60
D c190 2.00
All Dimensions in mm