WEITRON B140LB

WEITRON
B140LB
Low VF Surface Mount
Schottky Barrier Rectifiers
REVERSE VOLTAGE
40Volts
FORWARD CURRENT
1.0Ampere
Features:
*Low Surface Mounted Applications
*Metal-Semiconductor Junction with Guardring
*Epitaxial Construction
*Very Low Forward Voltage Drop
*High Current Capability
*Plastic Material Has UL Flammability Classification 94V-0
*For Use in Low Voltage, High Frequency Inverters,
Free Wheeling, and Polarity Protection Applications
SMB(DO-214AA)
Mechanical Data
*Case : Molded Plastic
*Polarity :Indicated By Cathode Band
*Weight : 0.003 ounces, 0.093 grams
SMB Outline Dimensions
Unit:mm
Dim
A
B
C
D
E
G
H
J
WEITRON
http://www.weitron.com.tw
SMB
Min
3.30
4.06
1.96
0.15
5.00
0.10
0.76
2.00
Max
3.94
4.80
2.21
0.31
5.59
0.20
1.52
2.62
B140LB
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Maximum Ratings and Electrical Characteristics
Rating 25 C Ambient Temperature Unless Otherwise Specified.
Single Phase Half Wave, 60Hz , Resistive or Inductive Load.
For Capacitive Load, Derate Current by 20%.
Symbol
B140LB
Unit
Maximum Recurrent Peak Reverse Voltage
VRRM
40
V
Maximum RMS Voltage
VRMS
28
V
Maximum DC Blocking Voltage
VDC
40
V
1.0
A
40
A
Characteristics
Maximum Average Forward
IF (AV)
Rectified Current @TC=100 C
Peak Forward Surge Current,
8.3 ms Single Half Sine-Wave
IFSM
Superimposed on Rated Load (JEDEC Method)
Maximum Instantaneous
@ T j=25 C
VF
Forward Voltage @IF=1.0A
@ T j=100 C
Maximum DC Reverse Current @Tj=25 C
IR
At Rated DC Blocking Voltage @Tj=100 C
Typical Junction Capacitance (Note 1)
Typical Thermal Resistance (Note 2)
Operating Temperature Range
Storage Temperature Range
WEITRON
0.35
1.0
25
V
mA
PF
CJ
RAJC
100
35
C/W
TJ
TSTG
-55 to+125
C
-55 to+150
C
NOTES:1.Measured at 1.0MHz applied reverse voltage of 4.0V DC.
2.Thermal Resistance Junction to case.
h t t p : // w w w . w e i t r o n . c o m . t w
0.38
B140LB
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1.00
0.75
0.50
0.25
0
SINGLE PHASE HALF WAVE 60Hz
RESISTIVE OR INDUCTIVE LOAD
20
40
60
80
100
120
140
FIG.2-MAXIMUM NON-REPETITIVE SURGE CURRENT
PEAK FORWARD SURGE CURRENT,
AMPERES
AVERAGE FORWARD CURRENT
AMPERES
FIG1.-FORWARD CURRENT DERATION CURVE
1.25
50
40
30
20
Pulse Width 8.3ms
Single Half-Sine-Wave
(JEDEC METHOD)
10
0
1
2
FIG.3-TYPICAL FORWARD CHARACTERISTICS
20
50
100
FIG4.-TYPICAL JUNCTION CAPACITANCE
1.0
100
TJ=25 C
PLUSEWIDTH 300us
0.1
10
1000
CAPACITANCE, (PF)
INSTANTANEOUS FORWARD CURRENT, (A)
10
5
NUMBER OF CYCLES AT 60HZ
CASE TEMPERATURE C
0
0.2
0.4
0.6
0.8
TJ=25 C F=1MHZ
10
1.0
0.1
INSTANTANEOUS FORWARD VOLTAGE, (VOLTS)
FIG5.-TYPICAL REVERSE CHARACTERISTICS
INSTANTANEOUS REVERSE CURRENT. (mA)
100
10
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TJ =100 C
1.0
0.1
TJ =25 C
0.01
0.001
WEITRON
TJ =125 C
0
20
40
60
80
100
120
140
PERCENT OF RATED PEAK REVERSE VOLTAGE, (%)
1.0
4.0
10.0
REVERSE VOLTAGE, (VOLTS)
100