BA157 THRU BA159D
FAST SWITCHING PLASTIC RECTIFIER
Reverse Voltage - 400 to 800 Volts Forward Current - 1.0 Ampere
FEATURES
♦ Plastic package has
Underwriters Laboratory
Flammability Classification 94V-0
♦ High surge current capabability
♦ Void-free plastic package
♦ Fast switching for high efficiency
♦ High temperature soldering guaranteed:
350°C/10 seconds, 0.375" (9.5mm) lead length,
5 lbs. (2.3kg) tension
MECHANICAL DATA
Case: JEDEC DO-204AL 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,0.3 gram
MAXIMUM RATINGS AND ELECTRICAL CHARACTERISTICS
Ratings at 25°C ambient temperature unless otherwise specified.
SYMBOLS BA157 BA158 BA159D UNITS
Maximum repetitive peak reverse voltage VRRM 400 600 800 Volts
Maximum RMS voltage VRMS 280 420 560 Volts
Maximum DC blocking voltage VDC 400 600 800 Volts
Maximum average forward rectified current
0.375" (9.5mm) lead length at TA=55°C
I(AV) 1.0 Amp
Peak forward surge current
10ms single half sine-wave superimposed IFSM 20.0 Amps
on rated load at TA=25°C
Maximum instantaneous forward voltage at 1.0A VF 1.3 Volts
Maximum DC reverse current
at rated DC blocking voltage TA=25°C
IR 5.0 µA
Maximum reverse recovery time (NOTES 1) trr 300 ns
Typical junction capacitance (NOTE 2) CJ 12.0 pF
Maximum operation junction temperature TJ -65 to +125 °C
Maximum storage temperature TSTG -65 to +150 °C
NOTES:
(1) Reverse recovery test conditions: IF=10mA, IR=10mA, Irr=1mA for 400 to 800 Volt devices
(2) Measured at 1.0MHZ and applied reverse voltage of 4.0 Volts
4/98
DO-204AL
Dimensions in inches and (millimeters)
0.107 (2.7)
0.080 (2.0)
0.034 (0.86)
0.028 (0.71)
DIA.
1.0 (25.4)
MIN.
1.0 (25.4)
MIN.
0.205 (5.2)
0.160 (4.1)
DIA.