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COMCHIP
COMCHIP
SOT-23
Dimensions in inches (millimeters)
MDS0211002A
Page 1
.037(0.95).037(0.95)
.006(0.15)max.
.119 (3.0)
.020 (0.5)
.020 (0.5)
Top View
.103(2.6)
.006(0.15)
.044(1.10)
.110 (2.8)
.047 (1.20
)
.002(0.05)
.086 (2.2)
.035(0.90)
.020 (0.5)
.056 (1.40)
1
2
BAS40
ANODE
3
CATHODE
1
2
ANODE
CATHODE
3
ANODE
CATHODE
1
2
ANODE
CATHODE
3
ANODE
BAS40-06BAS40-05
1
CATHODE
1
2
BAS40-04
ANODE
CATHODE
3
ANODE
3
2
1
Rating S
y
mbol Value Units
Repetitive Peak Reverse Voltage VRRM 40 V
Forward Continuous Current at Tamb = 25°C IF200(1) mA
Surge Forward Current at tp < 1 s, Tamb = 25°C IFSM 600(1) mA
Power Dissipation(1) at Tamb = 25°C Ptot 200(1) mW
Thermal Resistance Junction to Ambiant Air RthJA 430(1) °C/W
Junction Temperature Tj150 °C
Storage Temperature Range TS–55 to +150 °C
Paramete
r
S
y
mbol Test Condition Min T
y
p Max Units
Reverse Breakdown Voltage V(BR)R IR =10µA (pulsed) 40.0 - - V
Pulse Test tp < 300µs
VR = 30V
Pulse Test tp < 300µs
IF = 1mA - - 380 mV
IF = 40mA - - 1000 mV
VR = 0V
f = 1MHz
IF = 10mA, IR = 10mA
Irr = 1mA, RL = 100
Maximum Ratings and Thermal
C
haracteristics (TA = 25°C unless
otherwise noted)
20
Note: (1) Device on fiberglass substrate, see layout on next page.
Electrical Characterics
(TA = 25°C unless otherwise noted)
IRLeakage Current
Capacitance Ctot
Forward Voltage VF
Reverse Recovery Time Trr
-
-
-
40
-
100.0 nA
5pF
5nS
Voltage: 40 Volts
Power: 200mW
BAS40 Thru BAS40-06
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
Mechanical data
Case: SOT-23, Molded Plastic
Weight: 0.008 grams (approx.)
Mounting Position: Any
Surface Mount Schottky Diode
RATINGAND CHARACTERISTIC CURVES (BAS40 thru BAS40-06)
Surface Mount Switching Diode
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COMCHIP
100
0 0.1
VF, Forward Voltage (V)
0.2 0.3 0.4 0.5
10
1.0
0.1
85
°
C
10
0VR, Reverse Voltage (V)
1.0
0.1
0.01
0.001 5.0 10 15 20 25
3.5
0VR, Reverse Voltage (V)
3.0
1.0
0.5
0
CT, Capacitance (pF)
5.0 10 15 40
IF, Forward Current (mA)
Figure 1. Typical Forward Voltage Figure 2. Reverse Current versus Reverse
Voltage
Figure 3. Typical Capacitance
–40
°
C
25
°
C
TA = 150
°
C
25
°
C
IR, Reverse Current (
µ
A)
0.8
–55
°
C
125
°
C
150
°
C
100
2520
1.5
2.0
2.5
0.6 0.7
125
°
C
85
°
C
30 35
MDS0211002A
Page 2
