SMD Schottky Barrier Diode
CDBW0520L-HF Thru. CDBW0540-HF
Reverse Voltage: 20 to 40 Volts
Forward Current: 0.5 Amp
RoHS Device
Halogen Free
Features
SOD-123
- Low forward voltage drop.
0.152(3.85)
- High conductance.
0.140(3.55)
- Guard ring construction for transient protection.
0.022(0.55) 0.069(1.75)
0.057(1.45)
Typ.
-
Mechanical data
+
0.112(2.85)
0.100(2.55)
- Case: SOD-123, molded plastic.
- Polarity: Color band denotes cathode end.
0.004(0.10)
0.045(1.15)Typ.
- Weight: 0.01 gram(approx.).
Typ.
0.004(0.10)
0.001(0.02)
Circuit Diagram
0.018(0.45)
0.010(0.25)
Dimensions in inches and (millimeter)
Maximum Rating (at Ta=25C unless otherwise noted)
Symbol
Parameter CDBW0520L-HF CDBW0530-HF CDBW0540-HF Unit
Peak repetitive reverse voltage
VRRM
Working peak reverse voltage
VRWM 20 30 40 V
DC reverse voltage
VR
RMS reverse voltage VR(RMS)
14 21 28 V
Average rectified output current @ TL=100C Io 0.5
A
Non-repetitive peak forward surge current
IFSM 5.5 A
8.3ms single half sine-wave superimposed on rated load
Power dissipation PD 410 mW
Typical thermal resistance (Junction to ambient) RJA 244 C/W
Junction temperature TJ 125 C
Storage temperature
TSTG -55 ~ +125 C
Voltage rate of change
dv/dt 1000 V/s
Company reserves the right to improve product design , functions and reliability without notice.
REV: B
QW-JB010 Page 1
Comchip Technology CO., LTD.SMD Schottky Barrier Diode
Electrical Characteristics (at Ta=25C unless otherwise noted)
Symbol
Parameter Conditions CDBW0520L-HF CDBW0530-HF CDBW0540-HF Unit
Min.Reverse breakdown voltage IR=20 A V(BR)R
20 30 40 V
IF=0.1A, TJ=25C 0.300 0.375 -
IF=0.5A, TJ=25C 0.385 0.430 0.510
IF=1.0A, TJ=25C - - 0.620
Max. Forward voltage
VF V
IF=0.1A, TJ=100C 0.220 - -
IF=0.5A, TJ=100C 0.330 - 0.460
IF=1.0A, TJ=100C - - 0.610
VR=10V, TJ=25C 75 - -
VR=15V, TJ=25C - 20 -
VR=20V, TJ=25C IR 250 - 10 A
VR=30V, TJ=25C - 130 -
Max. Leakage current
VR=40V, TJ=25C - - 20
VR=10V, TJ=100C 5.0 - -
VR=20V, TJ=100C 8.0 - 5.0
IR mA
VR=40V, TJ=100C - - 13
Junction capacitance pF
VR=0V, f=1MHZ CJ 170
Company reserves the right to improve product design , functions and reliability without notice.
REV: B
QW-JB010 Page 2
Comchip Technology CO., LTD.