SEMTECH BA158 Fast silicon rectifier Datasheet

BA157 THRU BA159
FAST SILICON RECTIFIERS
Reverse Voltage – 400 to 1000 Volts
Forward Current – 1.0 Ampere
Features
•Low forward voltage
•High current capability
•Low leakage current
•High surge capability
•Low cost
Absolute Maximum Ratings (Ta = 25oC)
BA157
BA158
BA159
Repetitive Peak Reverse Voltage
Symbol
Value
Unit
VRRM
VRRM
VRRM
400
600
1000
V
V
V
Io
1
1)
A
IFSM
35
A
Tj
125
O
-65 to +125
O
o
Average Rectified Current at Tamb=50 C
o
Surge Forward Current, Half Cycle 50Hz, starting from Tj=25 C
Junction Temperature
Operating and Storage Temperature Range
1)
TS
C
C
Valid provided that leads are kept at ambient temperature at a distance of 8 mm from case.
SEMTECH ELECTRONICS LTD.
(Subsidiary of Sino-Tech International Holdings Limited, a company
listed on the Hong Kong Stock Exchange, Stock Code: 724)
®
Dated : 20/06/2003
BA157 THRU BA159
FAST SILICON RECTIFIERS
Characteristics at Tj=25oC
Symbol
Min.
Typ.
Max.
Unit
VF
-
-
1.3
V
IR
-
-
5
μA
Forward Voltage
at IF=1A, Tj=25oC
Leakage Current
at VRRM, Tamb=25oC
Capacitance
at f=1MHz ,VR=4V
BA157
Ctot
-
15
-
pF
VR=4V
BA158
Ctot
-
15
-
pF
VR=4V
BA159
Ctot
-
15
-
pF
BA157
trr
-
-
300
ns
IF=10mA, IR=10mA
BA158
trr
-
-
300
ns
IRR=1mA
BA159
trr
-
-
500
ns
BA157
trr
-
-
150
ns
IF=0.5A, IR=1A
BA158
trr
-
-
150
ns
IRR=0.25A
BA159
trr
-
-
250
ns
RthA
-
-
251)
K/W
Reverse Recovery Time
Reverse Recovery Time
Thermal Resistance Junction to Ambient Air
1)
Valid provided that leads are kept at ambient temperature at a distance of 8 mm from case.
SEMTECH ELECTRONICS LTD.
(Subsidiary of Sino-Tech International Holdings Limited, a company
listed on the Hong Kong Stock Exchange, Stock Code: 724)
®
Dated : 20/06/2003
BA157 THRU BA159
FAST SILICON RECTIFIERS
Fig.2- MAXIMUM NON-REPETITIVE PEAK FORWARD
SURGE CURRENT
FIG.1-FORWARD CURRENT DERATING CURVE
35
PEAK FORWARD CURRENT
AMPERES
AVERAGE FORWARD CURRENT
AMPERES
1.0
0.8
0.6
0.4
0.2
0
o
TJ =55 C
8.3ms Single Half
Sine-Wave
25
15
5
0
0
25
50
75
100
125
150
175
AMBIENT TEMPERATURE, (o C)
1
10
100
NUMBER OF CYCLES AT 60 Hz
Fig.3-TYPICAL INSTANTANEOUS FORWARD
CHARACTERISTICS
20
INSTANTANEOUS FORWARD CURRENT
AMPERES
10
o
Tj=25 C
Pulse Width=300 S
1% Duty Cycle
1
0.1
0.01
0.4 0.6 0.8
1.0
1.2
1.4 1.6 1.8 2.0
INSTANTANEOUS FORWARD VOLTAGE
VOLTS
SEMTECH ELECTRONICS LTD.
(Subsidiary of Sino-Tech International Holdings Limited, a company
listed on the Hong Kong Stock Exchange, Stock Code: 724)
®
Dated : 20/06/2003
BA157 THRU BA159
FAST SILICON RECTIFIERS
Fig.5- TYPICAL JUNCTION CAPACITANCE
100
o
100
10
JUNCTION CAPACITANCE,pF
INSTANTANEOUS REVERSE CURRENT,
MICROAMPERES
Fig.4- TYPICAL REVERSE CHARACTERISTICS
TJ =100 oC
1
o
TJ =25 C
0.1
Tj=25 C
f=1.0MHz
Vsig=50mVp-p
10
0
0.01
0
20
40
60
80
0.1
100
1
10
REVERSE VOLTAGE, VOLTS
PERCENT OF RATED PEAK REVERSE
VOLTAGE,%
o
TRANSIENT THERMAL IMPEDANCE, C/W
Fig.6- TYPICAL TRANSIENT THERMAL IMPEDANCE
100
10
1
0.1
0.01
0.1
1
10
100
t, PULSE DURATION,sec.
SEMTECH ELECTRONICS LTD.
(Subsidiary of Sino-Tech International Holdings Limited, a company
listed on the Hong Kong Stock Exchange, Stock Code: 724)
®
Dated : 20/06/2003
100
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