Surface Mount Schottky Barrier Diode
*High Reliability
*Fast Switching
*PN Junction Guard Ring for Transient and ESD Protection
*Case : SOT-346, Molded Plastic
*Terminals : Solderable per MIL-STD-202,Method 208
*Polarity : See Diagrams Below
*Weight : 0.008 grams (approx.)
*Mounting Position : Any
Features:
WSD495
MECHANICAL DATA
SCHOTTKY BARRIER
RECTIFIERS
400mAMPERES
40VOLTS
J
K
G
D
C
H
S
A
L
B
3
2
1
Top View
1
2
3
SC-59
A
B
C
D
G
H
J
K
L
S
2.70
1.30
1.00
0.35
1.70
0.00
0.10
0.20
1.25
2.25
3.10
1.70
1.30
0.50
2.30
0.10
0.26
0.60
1.65
3.00
Dim Min
Max
All Dimension in mm
SC-59
SC-59 Outline Dimension
WEITRON
http://www.weitron.com.tw
Maximum Ratings
(TJ=25 C Unless otherwise noted)
Characteristic
Reverse Voltage
Average Rectifier
Forward Current
Peak Forward Surge Current
Operating Junction
Temperature Range
Storage Temperature Range
Symbol
VR
IF(AV)
IFSM
TJ
Tstg
WSD495
Unit
40
400
2.0
-40 to +125
Volts
mA
A
Electrical Characteristics
(TA=25 C Unless otherwise noted)
Device Marking
Item
Marking
Eqivalent Circuit diagram
1
2
3
WSD495
04F
WSD495
http://www.weitron.com.tw
WEITRON
C
(1)
(2)
Characteristic
Symbol
Reverse Breakdown Voltage (IR=100A)
Forward Voltage
IF=10mA
Reverse Leakage
VR=10V
V(BR)R
VF
IR
Min
Max
Unit
40
0.30
Volts
Volts
Adc
-
-
-
0.50
70
IF=200mA
NOTE:
1. Mean Output Current Per Element: I (AV)/2
2. 60HE for 1
F
0
10
20
30
100
10
1
5
15
25
3
REVERSE VOLTAGE : V
R
(V)
C
A
P
A
C
I
T
A
N
C
E
B
E
T
W
E
E
N
T
E
R
M
I
N
A
L
S
:
C
T
(
p
F
)
Fig.3 Capacitance between
terminals characteristics
0
100u
1m
10m
100m
1
F
O
R
W
A
R
D
C
U
R
R
E
N
T
:
I
F
(
A
)
FORWARD VOLTAGE : V
F
(V)
0.1
0.2
0.3
0.4
0.5
0.6
0.7
Ta
12
5
C
75
C
25
C
40
C
Fig.1 Forward characteristics
0
10u
100
1m
10m
100m
10
20
30
40
REVERSE VOLTAGE : V
R
(V)
R
E
V
E
R
S
E
C
U
R
R
E
N
T
:
I
R
(
A
)
1
T a 125
C
75
C
25
C
0
C
Fig.2 Reverse characteristics
Electrical characteristic curves
(Ta=25 C)
WSD495
WEITRON
http://www.weitron.com.tw
u
u
PDF 
ZIP