*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 : 0.003 Ounce ,0.093 grams
REVERSE VOLTAGE
20 TO 60 VOLTS
FORWARD CURRENT
2.0 AMPERE
Unit:mm
B220 thru B260
3.30
3.94
4.06
4.80
1.96
2.21
0.15
0.31
5.00
5.59
0.10
0.20
0.76
1.52
2.00
2.62
WEITRON
http://www.weitron.com.tw
SMB Outline Dimension
Mechanical Data
Feature:
SMB(DO-214AA)
Surface Mount Schottky Barrier Rectifiers
SMB
Dim
Min
Max
A
B
C
D
E
G
H
J
B220 thru B260
Maximum Ratings and Electrical Characteristics
Characteristics
B220 B230 B240 B250 B260
Symbol
Unit
Maximum Recurrent Peak Reverse Voltage
Maximum RMS Voltage
Maximum DC Blocking Voltage
Maximum Average Forward
Rectified Current @TC=100 C
Peak Forward Surge Current,
8.3 ms Single Half Sine-Wave
Superimposed on Rated Load (JEDEC Method)
Maximum Instantaneous At 2.0A 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
C
C
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
IF(AV)
IFSM
VF
IR
JL
C
T
TSTG
20
14
20
30
21
30
40
28
40
50
35
50
60
42
60
-55 to+125
-55 to+150
P
F
C/W
NOTES:1.Measured at 1.0MHz applied reverse voltage of 4.0V DC.
2.Thermal Resistance Junction to case.
2.0
50
0.5
0.7
0.5
20
200
15
http://www.weitron.com.tw
WEITRON
J
J
R
B220 thru B260
FIG.5 TYPICAL REVERSE CHARACTERISTICS
PERCENT OF RATED PEAK REVERSE VOLTAGE, (%)
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
)
0
20
40
60
80
100
120
140
100
10
1.0
0.1
0.01
0.001
T
J
=125 C
T
J
=100 C
T
J
=25 C
FIG.3 TYPICAL FORWARD CHARACTERISTICS
INSTANTANEOUS FORWARD VOLTAGE, (VOLTS)
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
) 10
1.0
0.1
.01
0
0.2
0.4
0.6
0.8
1.0
B220 to B240
B250 to B260
T
J
=25 C
PULSEWIDTH:300us
REVERSE VOLTAGE , (VOLTS)
C
A
P
A
C
I
T
A
N
C
E
,
(
p
F
)
0.1
1.0
4.0
10.0
100
T
J
=25 C F=1MHz
1000
100
10
FIG.4 TYPICAL JUNCTION CAPACITANCE
FIG.1 FORDWARD CURRENT DERATING CURVE
LEAD TEMPERATURE , C
25
50
75
100
125
150
175
SIGNE PHASE HALF WAVE 60Hz
RESISTIVE OR INDUCTIVE LOAD
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
2.0
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
PULSE WIDTH 8.3ms
SINGLE MALF-SINE-WAVE
(JEDEC METHOD)
1
2
5
10
20
50
100
60
40
20
0
WEITRON
http://www.weitron.com.tw
1.0
50
10
30
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