Document
SMD Schottky Barrier Diode
SMD Diodes Specialist
CDBF0320/0330/0340
(RoHS Device)
I O = 350 mA V R = 20 to 40 Volts Features
Low forward voltage. Designed for mounting on small surface. Extremely thin / leadless package. Majority carrier conduction.
0.051(1.30) 0.043(1.10)
1005(2512)
0.102(2.60) 0.095(2.40)
Mechanical data
Case: 1005(2512) standard package, molded plastic. Terminals: Gold plated, solderable per MIL-STD-750,method 2026. Polarity: Indicated by cathode band. Mounting position: Any Weight: 0.006 gram(approx.).
0.040(1.00) Typ. 0.012 (0.30) Typ. 0.020(0.50) Typ. 0.035(0.90) 0.027(0.70)
Dimensions in inches and (millimeter)
Maximum Rating (at T A =25 C unless otherwise noted)
O
Parameter
Repetitive Peak reverse voltage Reverse voltage RMS reverse voltage Average forward rectified current Forward current, surge peak 8.3 ms single half sine-wave Power dissipation Thermal resistance junction to ambient air Storage temperature Junction temperature
Symbol
V RRM VR V R(RMS) IO I FSM PD R
JA
CDBF0320
20 14
CDBF0330
30 21 350 1.5 200 500 -65 TO +125 +125
CDBF0340 Unit
40 28 V V mA A mW
O
C/W
O
T STG Tj
O
C C
O
Electrical Characteristics (at T A =25 C unless otherwise noted)
Parameter
Reverse current CDBF0320 CDBF0330 CDBF0340 V R = 10V V R = 20V V R = 30V I F = 20mA I F = 200mA f = 1 MHz, and 0 VDC reverse voltage I F =I R =10mA,Irr=0.1xIR,RL=100 ohm
Conditions
Symbol Min Typ Max Unit
IR 5 5 5 0.37 0.60 50 6.4 uA
Forward voltage
VF CT T rr
V pF nS
REV:B
Capacitance between terminals Reverse recovery time
QW-A1036
Page 1
SMD Schottky Barrier Diode
SMD Diodes Specialist
RATING AND CHARACTERISTIC CURVES (CDBF0320/0330/0340)
Fig. 1 - Forward characteristics
1000 1m
125 C
O
Fig. 2 - Reverse characteristics
Reverse current ( A )
Forward current (mA )
100
100u
10
10u
75 C
O
1
1u
25 C
O
C
C
O
0.1
C
125
75
25
0.01 0 0.1 0.2 0.3 0.4 0.5 0.6
-25
C
O
100n
O
O
10n 0 10 20 30 40
Forward voltage (V)
Reverse voltage (V)
Fig.3 - Capacitance between terminals characteristics
Capacitance between terminals ( P F)
50
120
Fig.4 - Current derating curve
Average forward current(%)
f=1MHz O T A =25 C
40
Mounting on glass epoxy PCBs
100
80
30
60
20
40
10
20
0 0 10 20 30 40
0
0 25 50 75 100
O
125
150
Reverse voltage (V)
Ambient temperature ( C)
REV:B
QW-A1036
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