*For Surface Mount Application
*Metal-Semiconductor Junction With Guardring
*Epitaxial Construction
*Very Low Forward Voltage Drop
*High Current Capability
*Plastic Meterial Has UL Flammability Classification 94V-0
*For Use In Low , And Polarity Protection Applications
*Case : Molded Plastic
*Polarity :Indicated by cathode band
*Weight : 0.007 Ounce ,0.21 grams
REVERSE VOLTAGE
20 TO 60 VOLTS
FORWARD CURRENT
8.0 AMPERE
Unit:mm
SMC Outline Dimension
Surface Mount Schottky Barrier Rectifiers
SMC
5.59
6.22
6.60
7.11
2.75
3.18
0.15
0.31
7.75
8.13
0.10
0.20
0.76
1.52
2.00
2.62
SMC(DO-214AB)
WEITRON
B820 thru B860
Dim Min Max
http://www.weitron.com.tw
Features:
Mechanical Data:
A
B
C
D
E
G
H
J
B820 thru B860
Maximum Ratings and Electrical Characteristics
Characteristics
B820 B830 B840 B850 B860
Symbol
Unit
Maximum Recurrent Peak Reverse Voltage
Maximum RMS Voltage
Maximum DC Blocking Voltage
Maximum Average Forward
Rectified Current @TC=95 C
Peak Forward Surge Current,
8.3 ms Single Half Sine-Wave
Superimposed on Rated Load (JEDEC Method)
Maximum Instantaneous At 8.0A DC
Maximum DC Reverse Current @Tj=25 C
At Rated DC Blocking Voltage @Tj=100 C
Typical Junction Capacitance (Note 1)
Typical Thermal Resistance (Note 2)
Operating Temperature Range
Storage Temperature Range
V
V
V
A
A
V
mA
Rating 25 C Ambient Temperature Unless Otherwise Specified.
Single Phase Half Wave, 60Hz , Resistive or Inductive Load.
For Capacitive Load, Derate Current by 20%.
VRRM
VRMS
VDC
I (AV)
IFSM
VF
IR
CJ
JL
TJ
TSTG
20
14
20
30
21
30
40
28
40
50
35
50
60
42
60
-55 to+125
-55 to+150
PF
NOTES:1.Measured at 1.0MHz applied reverse voltage of 4.0V DC.
2.Thermal Resistance Junction to case.
8.0
175
0.55
0.5
50
450
10
C
C
C/W
WEITRON
http://www.weitron.com.tw
q
R
F
0.7
FIG.2 - MAXIMUM NON-REPETITIVE SURGE CURRENT
NUMBER OF CYCLES AT 60Hz
P
E
A
K
F
O
R
W
A
R
D
S
U
R
G
E
C
U
R
R
E
N
T
,
A
M
P
E
R
E
S
1
5
10
50
100
2
20
0
50
100
150
200
250
300
FIG.1 - FORWARD CURRENT DERATING CURVE
A
V
E
R
A
G
E
F
O
R
W
A
R
D
C
U
R
R
E
N
T
A
M
P
E
R
E
S
75
100
125
150
2
0
50
8
175
CASE TEMPERATURE , C
8.3ms Single Half-Sine-Wave
(JEDEC METHOD)
6
0
4
RESISTIVE OR
INDUCTIVE LOAD
INSTANTANEOUS FORWARD VOLTAGE , VOLTS
FIG.4 - TYPICAL FORWARD CHARACTERISTICS
I
N
S
T
A
N
T
A
N
E
O
U
S
F
O
R
W
A
R
D
C
U
R
R
E
N
T
,
(
A
)
0.2
0.3
0.7
0.8
1.0
10
100
0.4
0.5
0.6
0.1
1.0
0.9
PULSE WIDTH 300ua
INSTANTANEOUS FORWARD VOLTAGE , VOLTS
FIG.4 - TYPICAL FORWARD CHARACTERISTICS
I
N
S
T
A
N
T
A
N
E
O
U
S
F
O
R
W
A
R
D
C
U
R
R
E
N
T
,
(
A
)
0.1
1.0
10
100
0.1
PULSE WIDTH 300us
2% Duty cycle
T
J
= 25 C
10
PERCENT OF RATED PEAK REVERSE VOLTAGE (%)
FIG.3 - TYPICAL REVERSE CHARACTERISTICS
I
N
S
T
A
N
T
A
N
E
O
U
S
R
E
V
E
R
S
E
C
U
R
R
E
N
T
,
(
m
A
)
20
40
120
140
0
0.01
1.0
10
1000
100
60
80
100
T
J
= 100 C
0.1
T
J
= 25 C
T
J
= 75 C
B820 ~ B840
B850 ~ B860
FIG.5 - TYPICAL JUNCTION CAPACITANCE
C
A
P
A
C
I
T
A
N
C
E
,
(
p
F
)
REVERSE VOLTAGE , VOLTS
10
1
100
10000
1000
100
0.1
25
4
T
J
= 25 C, f= 1MHz
B820 thru B860
WEITRON
http://www.weitron.com.tw
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