BAV74
Surface Mount Switching Diode
P b
Lead(Pb)-Free
Features:
*Low Current Leakage
*Low Forward Voltage
*Reverse Recover Time Trr ≤ 4ns
*Small Outline Surface Mount SOT-23 Package
SWITCHING DIODE
200m AMPERES
50 VOLTS
3
1
2
SOT-23
SOT-23 Outline Dimensions
A
Uint:mm
TOP VIEW
B
C
E
G
H
D
K
J
L
M
Dim
A
B
C
D
E
G
H
J
K
L
M
Min
0.35
1.19
2.10
0.85
0.46
1.70
2.70
0.01
0.89
0.30
0.076
Max
0.51
1.40
3.00
1.05
1.00
2.10
3.10
0.13
1.10
0.61
0.25
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BAV74
Maximum Ratings
Characteristic
Reverse Voltage
Forward Current
Peak Forward Surge Current
Symbol
VR
IF
IFM
Value
50
200
500
Unit
Vdc
mAdc
mAdc
Thermal Characteristics
Characteristic
Total Device Dissipation FR-5 Board
T
A
=25˚C
Derate Above 25˚C
1
Symbol
P
D
R
θJA
P
D
R
θJA
TJ, Tstg
Max
225
1.8
556
300
2.4
417
-55 to + 150
Unit
mW
mW/˚C
˚C/W
mW
mW/˚C
˚C/W
˚C
Thermal Resistance Junction to Ambient
Total Device Dissipation Alumina Substrate
2
T
A
=25˚C
Derate Above 25˚C
Thermal Resistance Junction to Ambient
Junction and Storage Temperature
1. FR-5=1.0x0.75x0.062 in.
2. Alumina=0.4x0.3x0.024 in 99.5% Alumina.
Electrical Characteristics
Characteristic
(T
A
=25˚C Unless Otherwise Note) (Each Diode)
Symbol
Min
Max
Unit
Off Characteristics
Reverse Breakdown Voltage
I
BR
= 5.0
μAdc
Reverse Voltage Leakage Current
V
R
=50V, T
J
=125˚C
V
R
=50V
Diode Capacitance
(V
R
= 0, f = 1.0 MHz)
Forward Voltage
I
F
= 100 mAdc
Reverse Recovery Time
I
F
=I
R
=10 mAdc,I
R(REC)
=1.0 mAdc
measured at IR=1.0mA R
L
=100Ω
V
BR
50
-
Vdc
IR
C
D
VF
t rr
-
-
-
-
-
100
0.1
2.0
1.0
4.0
Adc
μ
PF
Vdc
ns
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BAV74
Device Marking
Item
BAV74
Marking
JA
Eqivalent Circuit diagram
3
1
2
Characteristics Curve
100
10
IF, FORWARD CURRENT (mA)
IA. REVERSE CURRENT (µA)
T
A
=85˚C
10
T
A
=- 40˚C
T
A
=150°C
1.0
T
A
=125°C
T
A
=25°C
1.0
0.1
T
A
=85°C
T
A
=55°C
0.01
0.1
0.001
0.2
0.4
0.6
0.8
1.0
1.2
T
A
=25°C
0
10
20
30
40
50
VF, FORWARD VOLTAGE (VOLTS)
V
R
. REVERSE VOLTAGE (VOLTS)
FIG.1 FORWARD VOLTAGE
FIG.2 LEAKAGE CURRENT
1.0
CD. DIODE CAPACITANCE (PF)
0.9
0.8
0.7
0.6
0
2
4
6
8
V
R
. REVERSW VOLTAGE (VOLTS)
FIG.3 CAPACITANCE
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