http://www.weitron.com.tw
WEITRON
B0520LWS
B0530WS/B0540WS
SCHOTTKY DIODE
500 mAMPERS
20-40 VOLTS
* Low Forward Voltage Drop
* Guard Ring Construction forTransient Protection
* High Conductance
Surface Mount Schottky Barrier Diode
Features:
1/3 19-May-06
Lead(Pb)-Free
P b
Dim Min Max
A
B
C
D
E
H
J
K
1.60 1.80
1.15 1.35
0.80 1.00
0.25 0.40
0.15 REF
0.00 0.10
0.089 0.377
2.30 2.70
PIN 1.CATHODE
2.ANODE
MILLMETERS
SOD-323 Outline Demensions
* Case: SOD-323
* Plastic Material –UL Recognition Flammability Classification 94V-O
* Leads: Solderable per MIL-STD-202, Method 208
* Polarity: Cathode Band
* Weight: 0.004 grams(approx.)
Mechanical Data:
Unit:mm
SOD-323
1
2
WEITRON
http://www.weitron.com.tw
Maximum Ratings (TA=25˚C Unless otherwise noted)
Characteristic
Peak Repetitive Reverse Voltage
Working Peak Reverse Voltage
DC Blocking Voltage
Thermal Resistance junction to Ambient
Symbol
V
RRM
V
RWM
V
R
V
R
(
RMS
)
I
FSM
P
d
I
O
Unit
V
V
A
mA
mW
°C/W
Operating Temperature Range T
J
-65 to +125
°C
°C
V/µs
R
θJA
244
410
Peak Forward Surge Current
RMS Reverse Voltage
Average Rectified Output Current
30
21
20
14
40
28
500
5.5
Characteristic Symbol
Reverse Breakdown Voltage
IR=250µA
IR=130µA
IR=20µA
V(BR)R
Unit
Forward Voltage
IF=0.1A
IF=0.5A
IF=1.0A
IF=IR=10mA
VFV
V
Capacitance between terminals
VR=1.0V, f=1.0MHz
Reverse Recovery Time
C170
4.0
pF
Reverse Current
VR=10V
VR=15V
VR=20V
VR=30V
VR=40V
L
IR
-
20
-
130
-
-
-
10
-
20
µA
ns
-
30
-
-
-
40
0.3
0.385
-
75
-
250
-
-
Electrical Characteristics (TA=25˚C Unless otherwise noted)
20
-
-
0.375
0.430
-
-
0.510
0.62
Power Dissipation
T
trr
Irr=0.1 I , R =100W
R
I
I
Device Marking
Item Marking Eqivalent Circuit diagram
B0520LWS
B0530WS
SD
SE
B0540WS SF
2
1
2/3
B0520LWS
B0530WS/B0540WS
19-May-06
B0540WSB0520LWS B0530WS
B0540WSB0520LWS B0530WS
Storage Temperature Range T
STG
1000
Voltage Rate of Change dv/dt
+125
WEITRON
http://www.weitron.com.tw
Electrical Characteristic curves(TA=25˚C)
3/3
B0520LWS
B0530WS/B0540WS
19-May-06
0
0.25
0.50
0 50 100 150
AREVA,I G ERE C DEI
F
IT C T
N
ERRU (A)
O
T , LEAD TEMPERATURE (°C)
L
Fig. 1 Forward Current Derating Curve
0.75
1.0
25 75 125
0.01
0.1
1.0
10
0.2
0 0.4 0.6 0.8 1.0
)A(TNERRUCDWFSUO
E
NATNATS
N
I,
IF
V , INSTANTANEOUS FORWARD VOLTAGE (V)
F
Fig. 2 Typical Forward Characteristics
)
F
p
(
E
C
NAT
I
CA
P
AC
L
A
T
OT,CT
V , REVERSE VOLTAGE (V)
R
Fig. 3 Typ. Total Capacitance vs Reverse Voltage
1000
1.0
10
100
0 5 10 15 20
f = 1MHz
B0540WS
B0520LWS
B0530WS
