COMCHIP CDBK0540

SMD Schottky Barrier Diode
SMD Diodes Specialist
CDBK0540 (RoHs Device)
I O = 500 mA
V R = 40 Volts
SOD-123F
Features
0.144(3.65)
0.136(3.45)
Low forward voltage.
Designed for mounting on small surface.
0.069(1.75)
0.061(1.55)
Extremely thin / leadless package.
Majority carrier conduction.
Mechanical data
0.035(0.90)
Case: SOD-123F standard package,
molded plastic.
0.027(0.70)
0.024(0.60) Typ.
Terminals: Gold plated, solderable per
MIL-STD-750,method 2026.
0.012 (0.30) Typ.
Polarity: Indicated by cathode band.
Mounting position: Any
0.057(1.45) Typ.
Weight: 0.011 gram(approx.).
Dimensions in inches and (millimeter)
Maximum Rating (at T A =25 C unless otherwise noted)
O
Parameter
Conditions
Peak reverse voltage
Symbol Min Typ Max Unit
V RM
40
V
Reverse voltage
VR
40
V
Average forward rectified current
IO
500
mA
I FSM
5.5
Forward current,surge peak
8.3 ms single half sine-wave superimposed
on rate load (JEDEC method)
Storage temperature
T STG
Junction temperature
Tj
-40
A
+125
O
+125
O
C
C
Electrical Characteristics (at T A =25 C unless otherwise noted)
O
Parameter
Forward voltage
Reverse current
Conditions
Symbol Min Typ Max Unit
O
I F = 0.5 A
IF = 1 A
I F = 0.5 A
IF = 1 A
@Ta = 25 C
@Ta = 25 C
@Ta = 100 C
@Ta = 100 C
V R = 20V
V R = 40V
V R = 20V
V R = 40V
@Ta = 25 OC
@Ta = 25 CO
@Ta = 100 OC
@Ta = 100 C
VF
0.51
0.64
0.46
0.62
V
IR
0.01
0.02
2
5
mA
170
pF
O
O
O
O
Capacitance between terminals
f = 1 MHz, and 0 VDC reverse voltage
CT
Reverse recovery time
I F = I R = 10mA, Irr x I R , R L = 100ohm
Trr
22
ns
REV:A
Page 1
QW-A1096
Comchip Technology CO., LTD.
SMD Schottky Barrier Diode
SMD Diodes Specialist
RATING AND CHARACTERISTIC CURVES (CDBK0540)
Fig. 1 - Forward characteristics
Fig. 2 - Reverse characteristics
10m
1000
125 C
Reverse current ( A )
Forward current (mA )
1m
100
10
1
75 C
100u
10u
25 C
1u
100n
0.1
-25 C
10n
0
1n
0
0.1
0.2
0.3
0.4
0.5
0.6
0.7
0
10
40
Fig.4 - Current derating curve
120
f=1MHz
O
T a =25 C
Average forward current(%)
Capacitance between terminals ( P F)
Fig. 3 - Capacitance between
terminals characteristics
100
30
Reverse voltage (V)
Forward voltage (V)
120
20
80
60
40
20
100
80
60
40
20
0
0
0
5
10
15
20
0
25
50
75
100
125 150
O
Reverse voltage (V)
Ambient temperature ( C)
REV:A
Page 2
QW-A1096
Comchip Technology CO., LTD.