COMCHIP CDBW0540

SMD Schottky Barrier Diodes
COMCHIP
www.comchip.com.tw
CDBW0520 - CDBW0540
Voltage: 20- 40 Volts
Current: 0.5 Amp
Feature
SOD-123
Low turn-on voltage
Fast switching
. 071(1.80)
.098 (2.50)
. 055(1.40)
.110 (2.80)
. 053(1.35)
PN junction guard ring for transient and
ESD protection
. 037(0.95)
. 028(0.70)
. 019(0.50)
.154 (3.90)
.141 (3.60)
. 008(0.20) Max.
Mechanical data
Case: SOD-123, molded plastic
Terminals: solderable per MIL-STD-750,
method 2026
Polarity: Indicated by cathode band
.005 (.12) MAX.
.016 (.40)Min.
Mounting position: Any
Dimensions in inches and (millimeters)
Weight:0.008 grams
Maximum Ratings and Electrical Characterics
Parameter
Symbol
Max.RepetitivePeak Reverse Voltage
V RRM
20
30
40
V
Max. DC Blocking Voltage
V DC
14
21
28
V
Max. RMS Voltage
V RMS
20
30
40
V
Peak Surge Forward Current
8.3ms single half sine-wave
Sine-wave superimposed on
Rate load ( JEDEC )
I FSM
5.5
A
Max. AverageForward Current
Io
0.5
A
Max. Forward Current at 0.1 A
0.5 A
VF
Max. Reverse Current
IR
Max. Thermal Resistance
CDBW0520
0.3
0.385
CDBW0530
0.375
0.430
[email protected] VR =20V
0.25 @ VR =20V
0.13 @ VR =30V
0.02 @ VR =40V
206
R
JL
150
Tj
Storage temperature
T STG
V
0.02 @ VR =15V
JA
Unit
0.51
0.075 @ VR =10V
R
Operating junction temperature
CDBW0540
mA
C/W
-55 to +125
C
-55 to +125
C
Note 1: Thermal resistance from junction to ambient and junction to to lead P.C.B. Mounted on 0.2 x 0.2 copper pad areas
MDS0208001B
Page 1
SMD Schottky Barrier Diodes
COMCHIP
www.comchip.com.tw
RATING AND CHARACTERISTIC CURVES (CDBW0520-0540)
Fig. 2 - Reverse Characteristics
Fig. 1 - Reverse Characteristics
Reverse Current ( uA )
Reverse Current ( uA )
100
10
Tj=25 C
1
0.1
10000
Tj=100 C
1000
Tj=75 C
0.01
1000
0
5
10
15
20
0
25
5
Reverse Voltage (V)
10
15
20
25
Reverse Voltage (V)
Fig. 3 - Forward Characteristics
Fig. 4 - Current Derating Curve
0.6
10
Average Forward Current ( A )
Forward Current ( A )
Mounting on glass epoxy PCBs
Tj=100 C
1
0.1
Tj=25 C
0.5
0.4
0.3
0.2
0.1
0.01
0.1
0.2
0.3
0.4
0.5
0
25
50
75
100
125
150
Ambient Temperature ( C)
Forward Voltage (V)
Fig. 3 - Capacitance Between
Terminals characteristics
Capacitance Between Terminals (pF)
200
150
100
50
0
5
10
15
20
25
Reverse Voltage (V)
MDS0208001B
Page 2