Comchip CDBF42 Smd schottky barrier diode Datasheet

COMCHIP
SMD Schottky Barrier Diode
SMD Diodes Specialist
CDBF42/43
(RoHs Device)
Io = 200 mA
V R = 30 Volt s
Features
1005(2512)
Low forward Voltage.
0.102(2.60)
0.095(2.40)
Designed for mounting on small surface.
Extremely thin / leadless package.
0.051(1.30)
0.043(1.10)
Majority carrier conduction.
Mechanical data
Case: 1005(2512) standard package,
molded plastic.
0.035(0.90)
0.027(0.70)
Terminals: Gold plated, solderable per
MIL-STD-750,method 2026.
0.020(0.50) Typ.
Polarity: Indicated by cathode band.
0.012 (0.30) Typ.
Mounting position: Any
Weight: 0.006 gram(approx.).
0.020(0.50) Typ.
Dimensions in inches and (millimeter)
Maximum Rating (at TA =25 C unless otherwise noted)
O
Parameter
Conditions
Peak reverse voltage
Reverse voltage
RMS reverse voltage
Average forward rectified current
Repetitive peak forward current
Forward current,surge peak
8.3 ms single half sine-wave superimposed
on rate load(JEDEC method)
Power Dissipation
Symbol Min Typ Max Unit
V RM
30
V
VR
30
V
V R(RMS)
21
V
IO
200
mA
I FRM
0.5
A
I FSM
4
A
PD
200
Thermal resistance junction
to ambient air
R
Storage temperature
T STG
Junction temperature
Tj
500
JA
-55
mW
O
C/W
+125
O
+125
O
C
C
Electrical Characteristics (at TA =25 C unless otherwise noted)
O
Parameter
Forward voltage
CDBF42/43
CDBF42
CDBF42
CDBF43
CDBF43
Conditions
IF =
IF =
IF =
IF =
IF =
200mA
10mA
50mA
2mA
15mA
Symbol Min Typ Max Unit
VF
1
0.4
0.65
0.33
0.45
V
Reverse current
V R = 25V
IR
0.5
uA
Capacitance between terminals
f = 1 MHz, and 1 VDC reverse voltage
CT
10
pF
Reverse recovery time
I F =I R =10mA,Irr=0.1xIR,RL=100 ohm
T rr
5
nS
REV:A
QW-A1044
Page 1
COMCHIP
SMD Schottky Barrier Diode
SMD Diodes Specialist
RATING AND CHARACTERISTIC CURVES (CDBF42/43)
Fig. 1 - Forward characteristics
Fig. 2 - Reverse characteristics
1m
Reverse current ( A )
100
10
10u
O
75 C
1u
100n
C
C
O
125 C
O
O
25
100u
O
25 C
-25
C
O
125
75 C
1
O
Forward current (mA )
500
0.1
10n
0
200
400
600
800
0
10
40
Reverse voltage (V)
Forward voltage (V)
Fig.3 - Capacitance between
terminals characteristics
Fig.4 - Current derating curve
120
16
f=1MHz
O
T A =25 C
14
Mounting on glass epoxy PCBs
Average forward current(%)
Capacitance between terminals ( P F)
30
20
12
10
8
6
4
2
100
80
60
40
20
0
0
0
5
10
15
20
25
Reverse voltage (V)
30
35
0
25
50
75
100
125
150
O
Ambient temperature ( C)
REV:A
QW-A1044
Page 2
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