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B0520LWS_09 Datasheet, PDF (2/3 Pages) Weitron Technology – Surface Mount Schottky Barrier Diode
B0520LWS / B0540WS
Maximum Ratings ( TA=25°C Unless otherwise noted)
Characteristic
Symbol
Peak Repetitive Reverse Voltage
Working Peak Reverse Voltage
DC Blocking Voltage
RMS Reverse Voltage
VRRM
VRWM
VR
VR(RMS)
B0520LWS
20
14
B0540WS
40
28
Average Rec
Current
IO
500
Peak Forward Surge Current
IFSM
5.5
Power Dissipation
Pd
410
Thermal Resistance junction to Ambient
Operating Temperature Range
Storage Temperature Range
Voltage Rate of Change
RθJA
TJ
TSTG
dv/dt
244
+125
-65 to +125
1000
Electrical Characteristics (TA=25˚C Unless otherwise noted)
Characteristic
Symbol
B0520LWS
Reverse Breakdown Voltage
IR=250µA
IR=130µA
IR=20µA
Forward Voltage
IF=0.1A
IF=0.5A
IF=1.0A
Reverse Current
VR=10V
VR=15V
VR=20V
VR=30V
VR=40V
Capacitance between terminals
VR=1.0V, f=1.0MHz
V(BR)R
VF
IR
CT
20
-
-
0.3
0.385
-
75
-
250
-
-
170
Reverse Recovery Time
IF=IR=10mA
Irr=0.1 I I IR , RL =100W
trr
4.0
B0540WS
-
-
40
-
0.510
0.62
-
-
10
-
20
Device Marking
Item
B0520LWS
B0540WS
Marking
SD
SF
Eqivalent Circuit diagram
1
2
Unit
V
V
mA
A
mW
°C/W
°C
°C
V/µs
Unit
V
V
µA
pF
ns
WEITRON
2/3
http://www.weitron.com.tw
Rev.A 23-Jun-09