Surface Mount Schottky Diode
COMCHIP
www.comchip.com.tw
BAS40 Thru BAS40-06
Voltage: 40 Volts
Power: 200mW
Features
Low Turn-on Voltage
Low Forward Voltage - 0.5V(Max) @ IF = 30 mA
Very Low Capacitance - Less Than 5.0pF @ 1V
For high speed switching application, circuit
protection
SOT-23
.119 (3.0)
.110 (2.8)
.020 (0.5)
Top View
.056 (1.40)
.047 (1.20
)
Mechanical data
Case: SOT-23, Molded Plastic
Weight: 0.008 grams (approx.)
Mounting Position: Any
1
3
2
.006 (0.15)max.
BAS40
3
BAS40-04
1
2
CATHODE
ANODE
2
CATHODE
CATHODE
ANODE
CATHODE
ANODE
1
ANODE
1
2
CATHODE
3
CATHODE
3
2
ANODE
.020 (0.5)
.020 (0.5)
.103 (2.6)
.086 (2.2)
BAS40-05
BAS40-06
Dimensions in inches (millimeters)
Maximum Ratings and Thermal
Characteristics
(TA = 25°C unless
otherwise noted)
Rating
Repetitive Peak Reverse Voltage
Forward Continuous Current at Tamb = 25°C
Surge Forward Current at tp < 1 s, Tamb = 25°C
Power Dissipation(1) at Tamb = 25°C
Thermal Resistance Junction to Ambiant Air
Junction Temperature
Storage Temperature Range
Symbol
V
RRM
I
F
I
FSM
P
tot
R
thJA
T
j
T
S
Value
40
200(1)
600(1)
200(1)
430(1)
150
–55 to +150
Units
V
mA
mA
mW
°C/W
°C
°C
Electrical Characterics
(TA = 25°C unless otherwise noted)
Parameter
Reverse Breakdown Voltage
Leakage Current
Forward Voltage
Capacitance
Reverse Recovery Time
Note: (1) Device on fiberglass substrate, see layout
on next page.
Symbol
V(BR)R
IR
VF
Ctot
Trr
Test Condition
IR =10µA (pulsed)
Pulse Test tp < 300µs
VR = 30V
Pulse Test tp < 300µs
IF = 1mA
IF = 40mA
VR = 0V
f = 1MHz
IF = 10mA, IR = 10mA
Irr = 1mA, RL = 100
Min
40.0
-
-
-
-
-
Typ
-
20
-
-
40
-
Max
-
100.0
380
1000
5
5
.044 (1.10)
.035 (0.90)
3
.006 (0.15)
.002 (0.05)
ANODE
ANODE
1
.037(0.95) .037(0.95)
Units
V
nA
mV
mV
pF
nS
MDS0211002A
Page 1
Surface Mount Switching Diode
COMCHIP
www.comchip.com.tw
RATING AND CHARACTERISTIC CURVES (BAS40 thru BAS40-06)
100
100
TA = 150°C
125°C
IF, Forward Current (mA)
10
IR , Reverse Current (µA)
10
1.0
85°C
150°C
1.0
0.1
1 25°C
85°C
25°C
0.01
– 40°C
25°C
0.1
0
0.1
0.2
– 55°C
0.001
0.6
0.7
0.8
0.3
0.4
0.5
0
5.0
VF, Forward Voltage (V)
10
15
VR, Reverse Voltage (V)
20
25
Figure 1. Typical Forward Voltage
Figure 2. Reverse Current versus Reverse
Voltage
3.5
3.0
C T, Capacitance (pF)
2.5
2.0
1.5
1.0
0.5
0
0
5.0
10
15
20
25
30
35
40
V R, Reverse Voltage (V)
Figure 3. Typical Capacitance
MDS0211002A
Page 2
Microcontroller MCU
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