星合电子

BA157 THRU BA159
FAST RECOVERY RECTIFIER
Reverse Voltage: 400 to 1000 Volts
Forward Current:1.0Ampere
DO-41
FEATURES
Plastic package has Underwriters Laboratory Flammability
Classification 94V-0
Diffused junction
JF
1.0(25.4)
MIN
High current capability
0.107(2.7)
0.080(2.0)
DIA.
High temperature soldering guaranteed:260°C/10 seconds at terminals,
Component in accordance to RoHS 2002/95/EC and WEEE 2002/96/EC
0.205(5.20)
0.161(4.10)
MECHANICAL DATA
Case: JEDEC DO-41 molded plastic body
Terminals: Plated axial leads, solderable per
MIL-STD-750,method 2026
1.0(25.4)
MIN
Polarity: Color band denotes cathode end
0.034(0.85)
0.026(0.65)
DIA.
Mounting Position: Any
Weight: 0.012ounce, 0.33 gram
Dimensions in inches and (millimeters)
MAXIMUM RATINGS AND ELECTRICAL CHARACTERISTICS
(Rating at 25 C ambient temperature unless otherwise specified.Single phase ,half wave ,60HZ,resistive or inductive
load. For capacitive load,derate current by 20%.)
Symbols
BA157
BA158
BA159
Units
400
600
1000
280
420
700
400
600
1000
Volts
Volts
Volts
Maximum DC Blocking Voltage
VRRM
VRMS
VDC
Maximum Average Forward Rectified Current
load length at TA=50 °C
I(AV)
1.0
Amps
Peak Forward Surge Current 10ms single half
sine-wave superimposed on rated load
IFSM
30
Amps
VF
1.3
Volts
Maximum Recurrent Peak Reverse Voltage
Maximum RMS Voltage
Maximum Instantaneous Forward Voltage
at 1.0 A
Maximum DC Reverse Current
TA=25°C
at rated DC blocking voltage
TA=100°C
Maximum reverse recovery time(Note1)
Max.thermal resistance(Note 2)
Typical junction capacitance(Note 3)
Operating junction and storage temperature
range
5.0
IR
A
100
trr
R JA
CJ
150
TJ TSTG
Note: 1.Test conditions: IF=0.5A,IR=1.0A,Irr=0.25A.
2.Mount on Cu-Pad size 5mmx5mm on P.C.B.
3.Measured at 1MHZ and applied reverse voltage of 4.0 Volts D.C.
1
250
500
ns
65
C/W
15
pF
-65 to+150
C
BA157 THRU BA159
FAST RECOVERY RECTIFIER
Reverse Voltage: 400 to 1000 Volts
Forward Current:1.0Ampere
FIG.2-MAXIMUM NON-REPETITIVE
FORWARD SURGE CURRENT
2.0
PEAK FORWARD SURGE
CURRENT(AMPERES)
AVERAGE FORWARD CURRENT (A)
FIG.1-TYPICAL FORWARD CURRENT
DERATING CURVE
1.5
1.0
Single Phase
Half Wave 60Hz
Resistive or
Inductive Load
.375”(9.5mm)
Lead Length
0.5
2.5
8.3ms SINGLE HALF SINE-WAVE
(JEDEC Method)
50
40
30
20
10
0
0
0
60
75
50
100
125
150
2
1
175
FIG.3-TYPICAL INSTANTANEOUS FORWARD
CHARACTERISTICS
10
40
100
FIG.4-TYPICAL JUNCTION CAPACTIANCE
20
60
10
JUNCTION CAPACITANCE(pF)
INSTANTANEOUS FORWARD CURRENT( AMPERES)
6
4
NUMBER OF CYCLES AT 60Hz
AMBIENT TEMPERATURE (°C)
3
1
0.3
0.1
40
20
Tj=25°C
10
TJ=25 C
Pulse Width=300µs
1% Duty Cycle
0.03
1
0.01
0.4
0.6
0.8
1.0
1.2
1.4
1.6
2
4
6
INSTANTANEOUS FORWARD VOLTAGE (VOLTS)
FIG.5- TEST CIRCUIT DIAGRAM AND REVERSE
RECOVERY TIME CHARACTERISTIC
NONINDUCTIVE
trr
NONINDUCTIVE
+0.5A
(+)
D.U.T.
PULSE
GENERATOR
(NOTE2)
50Vdc
0
-0.25A
(ADJUSTABLE)
(-)
1
NONINDUCTIVE
10
REVERSE VOLTAGE (V)
1.8
OSCILLOSCOPE
(NOTE1)
-1.0A
NOTES:1.Rise Time=7ns max. input lmpedance=1
megohm 22pF
2.Rise Time=10ns max. source lmpedance=
50 ohms
1cm
SET TIME BASE FOR 50/100 ns/cm
2
20
40
60
100