Document
SMD Schottky Barrier Diode
SMD Diodes Specialist
CDBU70 (RoHs Device)
Io = 70 mA V R = 70 Volts Features
Low forward voltage. Designed for mounting on small surface. Extremely thin / leadless package. Majority carrier conduction.
0.039(1.00) 0.031(0.80) 0.071(1.80) 0.063(1.60)
0603(1608)
Mechanical data
Case: 0603(1608) standard package, molded plastic. Terminals: Gold plated, solderable per MIL-STD-750,method 2026. Polarity: Indicated by cathode band. Mounting position: Any Weight: 0.003 gram(approx.).
0.028(0.70) Typ. 0.012 (0.30) Typ. 0.014(0.35) Typ. 0.033(0.85) 0.027(0.70)
Dimensions in inches and (millimeter)
www.DataSheet4U.com
Maximum Rating (at T A =25 C unless otherwise noted)
O
Parameter
Peak reverse voltage Reverse voltage RMS reverse voltage Average forward rectified current Forward current,surge peak Power dissipation Storage temperature Junction temperature
Conditions
Symbol Min Typ Max Unit
V RM VR V R(RMS) IO 70 70 49 70 0.1 150 -65 +125 +125 V V V mA A mW
O
8.3 ms single half sine-wave superimposed on rate load(JEDEC method)
I FSM PD T STG Tj
C C
O
Electrical Characteristics (at T A =25 C unless otherwise noted)
O
Parameter
Forward voltage Reverse current Capacitance between terminals Reverse recovery time I F = 1mA I F = 15mA V R = 50V
Conditions
Symbol Min Typ Max Unit
VF IR CT T rr 0.41 1 0.1 2 5 V uA pF nS
f = 1 MHz, and 0 VDC reverse voltage I F =I R =10mA,Irr=0.1xIR,RL=100 Ohm
REV:B
QW-A1047
Page 1
SMD Schottky Barrier Diode
SMD Diodes Specialist
RATING AND CHARACTERISTIC CURVES (CDBU70)
Fig. 1 - Forward characteristics
100
C
O
Fig. 2 - Reverse characteristics
100u
O
12
5
75
C
25 C
O
Forward current (mA )
Reverse current ( A )
0 C O - 40 C
O
10u
125 C
O
10
1u
75 C
O
100n
25 C
O
1
10n
0 C
O
1n
-40 C
O
0.1 0 0.2 0.4 0.6 0.8 1.0 1.2 1.4 1.6
0.1n 0 10 20 30 40 50 60 70
Forward voltage (V)
Reverse voltage (V)
Fig.3 - Capacitance between terminals characteristics
Capacitance between terminals ( P F)
2.0
120
Fig.4 - Current derating curve
Average forward current(%)
1.8 1.6 1.4 1.2 1.0 0.8 0.6 0.4 0.2 0 0 5 10 15 20
f=1MHz O T A =25 C
Mounting on glass epoxy PCBs
100
80
60
40
20
0
25
30
35
40
0
25
50
75
100
O
125
150
Reverse voltage (V)
Ambient temperature ( C)
REV:B
QW-A1047
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