BA157 thru BA159
FAST RECOVERY RECTIFIERS
REVERSE VOLTAGE
- 400
to
1000
Volts
FORWARD CURRENT
- 1.0
Ampere
DO- 41
FEATURES
●
Fast switching for high efficiency
●
Low cost
●
Diffused junction
●
Low reverse leakage current
●
Low forward voltage drop
●
High current capability
●
The plastic material carries UL recognition 94V-0
1.0(25.4)
MIN
.034(0.9)
DIA
.028(0.7)
.205(5.2)
MAX
.107(2.7)
DIA
.080(2.0)
1.0(25.4)
MIN
MECHANICAL DATA
●
Case: JEDEC DO-41 molded plastic
●
Polarity: Color band denotes cathode
●
Weight: 0.012 ounces , 0.34 grams
●
Mounting position: Any
Dimensions in inches and (millimeters)
MAXIMUM RATINGS AND ELECTRICAL CHARACTERISTICS
Rating at 25℃ ambient temperature unless otherwise specified.
Single phase, half wave ,60Hz, resistive or inductive load.
For capacitive load, derate current by 20%
CHARACTERISTICS
Maximum Recurrent Peak Reverse Voltage
Maximum RMS Voltage
Maximum DC Blocking Voltage
Maximum Average Forward
Rectified Current
Peak Forward Surge Current
8.3ms Single Half Sine-Wave
Super Imposed on Rated Load(JEDEC Method)
Peak Forward Voltage at 1.0A DC
Maximum DC Reverse Current
at Rated DC Blocking Voltage
@T
J
=25℃
@T
J
=100℃
@T
A
=75
℃
SYMBOL
V
RRM
V
RMS
V
DC
I
(AV)
BA157
400
280
400
BA158
600
420
600
1.0
BA159
1000
700
1000
UNIT
V
V
V
A
I
FSM
V
F
I
R
T
rr
C
J
R
θJA
T
J
T
STG
150
25
30
1.3
5.0
100
250
15
25
-55 to +125
-55 to +150
500
A
V
μA
nS
pF
℃/W
℃
℃
Maximum Reverse Recovery Time (Note 1)
Typical Junction Capacitance (Note2)
Typical Thermal Resistance (Note3)
Operating Temperature Range
Storage Temperature Range
NOTES: 1.Measured with I
F
=0.5A,I
R
=1A,I
RR
=0.25A
2.Measured at 1.0 MHz and applied reverse voltage of 4.0V DC
3.Thermal resistance junction to ambient.
~ 62 ~
RATING AND CHARACTERTIC CURVES
BA157 thru BA159
FIG. 1
–
FORWARD CURRENT DERATING CURVE
1.0
0.8
0.6
PEAK FORWARD SURGE CURRENT
AMPERES
AVERAGE FORWARD CURRENT
AMPERES
SINGLE PHASE HALF WAVE 60Hz
RESISTIVE OR INDUCTIVE LOAD
FIG. 2
–
MAXIMUM NON-REPETITIVE SURGE CURRENT
40
30
20
0.4
0.2
0
25
50
75
100
125
150
175
10
PULSE WIDTH 8.3ms
SINGLE HALF-SINE-WAVE
(JEDEC METHOD)
0
1
2
5
10
20
50
100
AMBIENT TEMPERATURE (℃)
NUMBER OF CYCLES AT 60Hz
FIG.3
–
TYPICAL JUNCTION CAPACITANCE
100
INSTANTANEOUS FORWARD CURRENT
AMPERES
10
FIG.4-TYPICAL FORWARD CHARACTERISTICS
BA157
CAPACITANCE (pF)
1.0
10
BA158 - BA159
T
J
= 25°C
0.1
PULSE WIDTH 300us
T
J
= 25°C f = 1 MHz
1
1
4
10
100
0.01
0
0.2
0.4
0.6
0.8
1.0
1.2
1.4
1.6
1.8
REVERSE VOLTAGE ,VOLTS
INSTANTANEOUS FORWARD VOLTAGE ,VOLTS
~ 63 ~
Microcontroller MCU
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