PAGE . 1
STAD-MAR.03.2009
1
BA157~BA159
FEATURES
• High current capability.
• Plastic package has Underwriters Laboratory
Flammability Classification 94V-O utilizing
Flame Retardant Epoxy Molding Compound.
• Low leakage.
• Exceeds environmental standards of MIL-S-19500/228
• Fast switching for high efficiency.
• In compliance with EU RoHS 2002/95/EC directives
MECHANICAL DATA
• Case: Molded pla stic, DO-41
• Terminals: Axial leads, solderable to MIL-STD-750,Method 2026
• Polarity: Color Band denotes cathode end
• Mounting Position: Any
• Weight: 0.0118 ounce, 0.336 gram
F AST RECOVERY PLASTIC RECTIFIER
MAXIMUM RATINGS AND ELECTRICAL CHARACTERISTICS
Ratings at 25°C ambient temperature unless otherwise specified. Resistive or inductive load, 60Hz.
400 to 1000 V olts 1.0 Amperes
CURRENT
VOLTAGE
NOTES:1. Reverse Recovery Test Conditions: IF=.5A, IR=1A, Irr=.25A
2. Measured at 1 MHz and applied reverse voltage of 4.0 VDC
3. Thermal resistance from junction to ambient at 0.375"(9.5mm) lead length with both leads equally heatsink.
DO-41
Unit: inch(mm)
.034(.86)
.107(2.7)
.028(.71)
.080(2.0)
1.0(25.4)MIN. 1.0(25.4)MIN.
.205(5.2)
.160(4.1)
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PAGE . 2
STAD-MAR.03.2009
1
BA157~BA159
Fig.1 FORWARD CURRENT DERATING CURVE
Fig.4 TYPICAL JUNCTION CAPACITANCE
RATING AND CHARACTERISTIC CURVES
3.0
2.0
1.0
0
0 50 100 150
0.5
1.5
2.5
AMBIENT TEMPERATURE, C
O
AVERAGE FORWARD RECTIFIED
CURRENT, AMPERES
Fig.3-TYPICAL INSTANTANEOUS FORWARD
CHARACTERISTICS
INSTANTANEOUS FORWARD VOLTAGE, VOLTS
INSTANTANEOUS FORWARD CURRENT,
AMPERES
25
20
15
10
5
0
12610 20 40 60 100
30
Fig.2-MAXIMUM NON-REPETITIVE PEAK
FORWARD SURGE CURRENT
PEAK FORWARD SURGE CURRENT
, AMPERES
NUMBER OF CYCLES AT 60Hz
8.3ms Single Half Sine-Wave
JEDEC Method
CAPACITANCE, pF
REVERSE VOLTAGE, VOLTS
100
10
0.1 110 100
1
Tj = 2 5 C
f= 1.0MHz
Vsi g = 5 0 m Vp - p
O
10
1.0
0.1
.01
.001
0.3 0.5 0.7 0.9 1.1 1.3 1.5
T=25 C
J
O
1.7
MAXIMUM AVERAGE CURRENT RAING
SI N G L EPHA SE, H A LF- WA VE, 6 0 Hz RESI STI V E
ORINDUCTIVELOAD.375"(9mm)LEADLENGTH
Fig.5- TYPICAL REVERSE CHARACTERISTIC
PERCENTAGE OF PEAK REVERSE VOLTAGE,%
0.1
20 40 60 80 100 120 140
1.0
10
100
1000
T=150C
J
O
T=100C
J
O
T=25 C
J
O
INSTANTANEOUS REVERSE CURRENT , mA
