BA157G thru BA159G Glass Passivated Fast Recovery Rectifiers Reverse Voltage 400 to 1000 Volts Forward Current 1.0 Ampere Features Plastic package has Underwriters Laboratories Flammability Classification 94V-0 High temperature metallurgically bonded construction For use in high frequency rectifier circuits Fast switching for high efficiency Glass passivated cavity-free junction Capable of meeting environmental standards of MIL-S-19500 1.0 Ampere operation at TA=55oC with no thermal runaway Typical IR less than 0.1uA High temperature soldering guaranteed: 350oC/10 seconds, 0.375" (9.5mm) lead length, 5 lbs. (2.3kg) tension Mechanical Data Case: JEDEC DO-204AL (DO-41), molded plastic over glass 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 gram Maximum Ratings and Electrical Characteristics Ratings at 25oC ambient temperature unless otherwise specified. Parameter Symbols BA157G BA158G BA159DG BA159G Units Maximum repetitive peak reverse voltage VRRM 400 600 800 1000 Volts Maximum RMS voltage VRMS 280 420 560 700 Volts Maximum DC blocking voltage V DC 400 600 800 1000 Volts Maximum average forward rectified current 0.375" (9.5mm) lead length at TA=55oC IF(AV) 1.0 Amp Peak forward surge current 10ms single half sine-wave superimposed on rated load at TA=25oC IFSM 20.0 Amps Maximum instantaneous forward voltage at 1.0A VF 1.3 Volts Maximum DC reverse current at rated DC blocking voltage TA=25oC IR 5.0 uA Maximum reverse recovery time (Note 1) trr Typical junction capacitance (Note 2) CJ 15 RθJA 55.0 TJ -55 to +150 o C -55 to +150 o C Typical thermal resistance (Note 3) Operating junction temperature range Storage temperature range Notes: 150 250 TSTG 500 1. Reverse recovery test conditions: IF=0.5A, IR=1.0A, Irr=0.25A 2. Measured at 1.0 MHz and applied reverse voltage of 4.0 Volts 3. Thermal resistance from junction to ambient at 0.375” (9.5mm) lead length, P.C.B. mounted 87 nS pF o C/W RATINGS AND CHARACTERISTIC CURVES (TA = 25oC unless otherwise noted) 88