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Surface Mount Schottky Barrier Diode
P b Lead(Pb)-Free
Features:
* Low Forward Voltage Drop
* Guard Ring Construction for Transient Protection
* High Conductance
B0520WS
SCHOTTKY DIODE
500m AMPERES
20 VOLTS
Mechanical Data:
* 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.)
SOD-323
SOD-323 Outline Demensions
Unit:mm
MILLMETERS
Dim
A
B
C
D
E
H
J
K
Min Max
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 0.177
2.30 2.70
PIN 1.CATHODE
2.ANODE
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B0520WS
Maximum Ratings (TA=25°C Unless otherwise noted)
Characteristic
Symbol
Peak Repetitive Reverse Voltage
Working Peak Reverse Voltage
DC Blocking Voltage
VRRM
VRWM
VR
RMS Reverse Voltage
VR(RMS)
Average Rectified Output Current
IO
Peak Forward Surge Current
IFSM
Power Dissipation
Pd
Thermal Resistance junction to Ambient
Operating Temperature Range
Storage Temperature Range
RθJA
TJ
TSTG
Value
20
14
500
2.0
250
426
+125
-55 to +125
Unit
V
V
mA
A
mW
°C/W
°C
°C
Electrical Characteristics (TA=25˚C Unless otherwise noted)
Characteristic
Symbol
Reverse Breakdown Voltage
IR=250µA
V(BR)R
Forward Voltage
IF=0.1A
IF=0.5A
Reverse Current
VR=10V
VR=20V
VF
IR
Capacitance between terminals
VR=0V, f=1.0MHz
CT
Value
20
0.31
0.43
100
250
170
Unit
V
V
µA
pF
Device Marking
Item
B0520WS
Marking
SD
Eqivalent Circuit diagram
12
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B0520WS
Electrical Characteristic curves(TA=25˚C)
1.0
10
0.75
0.50
0.25
0
0 25 50 75 100 125 150
TT, TERMINAL TEMPERATURE (°C)
Fig. 1 Forward Current Derating Curve
1
TA = 125ºC
0.1
TA = 100ºC
TA = 75ºC
0.01
TA = 25ºC
TA = 0ºC
0.001
0
TA = -65ºC
0.2 0.4 0.6 0.8 1.0
VF, INSTANTANEOUS FORWARD VOLTAGE (V)
Fig. 2 Typical Forward Characteristics
10,000
1000
100
10
TA = 125ºC
TA = 100ºC
TA = 75ºC
TA = 25ºC
1
0.1
0.01
TA = 0ºC
TA = -65ºC
0.001
0
10
VR, REVERSE VOLTAGE (V)
Fig. 3 Typical Reverse Characteristics
20
70
f = 1MHz
60
50
40
30
20
10
0
0
5 10 15 20
VR, REVERSE VOLTAGE (V)
Fig. 4 Typ. Total Capacitance vs Reverse Voltage
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