BA157 THRU BA159
FAST RECOVERY RECTIFIERS
Case: JEDEC DO-41 molded plastic body
Terminals: Plated axial leads, solderable per MIL-STD-750,
Method 2026
Polarity: Color band denotes cathode end
Mounting Position: Any
Weight:0.012 ounce, 0.33 grams
The plastic package carries Underwriters Laboratory
Flammability Classification 94V-0
Fast switching for high efficiency
Low reverse leakage
High forward surge current capability
High temperature soldering guaranteed:
250 C/10 seconds,0.375”(9.5mm) lead length,
5 lbs. (2.3kg) tension
FEATURES
MECHANICAL DATA
Dimensions in inches and (millimeters)
DO-41
0.107(2.7)
0.080(2.0)
DIA.
0.034(0.9)
0.028(0.7)
DIA.
1.0 (25.4)
MIN.
0.205(5.2)
0.166(4.2)
1.0 (25.4)
MIN.
MAXIMUM RATINGS AND ELECTRICAL CHARACTERISTICS
600
420
600
1000
700
1000
VOLTS
VOLTS
VOLTS
SYMBOLS
UNITS
Amp
Amps
Volts
VRRM
VRMS
VDC
I(AV)
IFSM
VF
1.0
30.0
1.3
Operating junction and storage temperature range
Maximum repetitive peak reverse voltage
Maximum RMS voltage
Maximum DC blocking voltage
Maximum average forward rectified current
0.375”(9.5mm) lead length at TA=75 C
Peak forward surge current
8.3ms single half sine-wave superimposed on
rated load (JEDEC Method)
Maximum instantaneous forward voltage at 1.0A
Maximum DC reverse current TA=25 C
at rated DC blocking voltage TA=100 C
IR
5.0
100.0
RqJA
CJ
TJ,TSTG
50.0
15.0
-65 to +150
pF
C
A
u
Typical thermal resistance (NOTE 3)
C/W
Typical junction capacitance (NOTE 2)
Maximum reverse recovery time (NOTE 1)
trr
150 250
500
ns
Note:1.Reverse recovery condition IF=0.5A,IR=1.0A,Irr=0.25A
2.Measured at 1MHz and applied reverse voltage of 4.0V D.C.
3.Thermal resistance from junction to ambient at 0.375”(9.5mm)lead length,P.C.B. mounted
400
280
400
BA157 BA158 BA159
Ratings at 25 C ambient temperature unless otherwise specified.
Single phase half-wave 60Hz,resistive or inductive load,for capacitive load current derate by 20%.
1
http://www.sps-elec.com
旭特安和美科技（上海）股份有限公司
Special Sun A.H.M Technology(Shanghai) CO.,LTD.
RATINGS AND CHARACTERISTIC CURVES BA157 THRU BA159
1.0
0.8
0.6
0.4
0.2
0
0 25 50 75 100 125 150 175
30
25
20
15
10
5.0
0.6 0.8 1.0 1.2 1.4 1.5
0.1 1.0 10 100
0.01 0.1 1 10 100
100
10
1
0.1
REVERSE VOLTAGE,VOLTS
t,PULSE DURATION,sec.
FIG. 5-TYPICAL JUNCTION CAPACITANCE FIG. 6-TYPICAL TRANSIENT THERMAL IMPEDANCE
FIG. 3-TYPICAL INSTANTANEOUS FORWARD
CHARACTERISTICS
NUMBER OF CYCLES AT 60 Hz
FIG. 2-MAXIMUM NON-REPETITIVE PEAK FORWARD
SURGE CURRENT
FIG. 1- FORWARD CURRENT DERATING CURVE
AVERAGE FORWARD RECTIFIED CURRENT,
AMPERES
INSTANTANEOUS FORWARD
CURRENT,AMPERES
JUNCTION CAPACITANCE, pF
£PEAK FORWARD SURGE CURRENT,
AMPERES
INSTANTANEOUS FORWARD VOLEAGE,
VOLTS
Single Phase
Half Wave 60Hz
Resistive or
inductive Load
1 10 100
0.01
0.1
1
20
10
TJ=25 C
1
10
100
200
0 20 40 60 80 100
1,000
100
10
1
0.1
0.01
TJ=100 C
TJ=25 C
PERCENT OF PEAK REVERSE VOLTAGE,%
FIG. 4-TYPICAL REVERSE CHARACTERISTICS
INSTANTANEOUS REVERSE CURRENT,
MICROAMPERES
TRANSIENT THERMAL IMPEDANCE,
C/W
AMBIENT TEMPERATURE, C
TJ=25 C
PULSE WIDTH=300
ms
1%DUTY CYCLE
8.3ms SINGLE HALF SINE-WAVE
(JEDEC Method)
2
http://www.sps-elec.com
旭特安和美科技（上海）股份有限公司
Special Sun A.H.M Technology(Shanghai) CO.,LTD.