Weitron B0520WS Surface mount schottky barrier diode Datasheet

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