BA157 THRU BA159 FAST SWITCHING PLASITC RECTIFIER Reverse Voltage - 400 to 1000 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 /10 seconds, 0.375 (9.5mm) lead length, 5 lbs. (2.3Kg) tension Mechanical Data DIM ENSIONS Case: 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 gram inches DIM mm Min. Max. Min. Max. A 0.165 0.205 4.2 5.2 B 0.079 0.106 2.0 2.7 C 0.028 0.034 0.71 0.86 D 1.000 - 25.40 - Maximum Ratings and Electrical Characteristics Ratings at 25 ambient temperature unless otherwise specified. Symbols BA157 BA158 BA159 Units Volts Maximum repetitive peak reverse voltage VRRM 400 600 1000 Maximum RMS voltage VRMS 280 420 700 Volts Maximum DC blocking voltage VDC 400 600 1000 Volts Maximum average forward rectified current 0.375" (9.5mm) lead length at TA=50 I(AV) 1.0 Amp Peak forward surge current 8.3mS single half sine-wave superimposed on rated load at TA=25 IFSM 35.0 Amps Maximum instantaneous forward voltage at 1.0A VF 1.3 Volts Maximum DC reverse current at rated DC blocking voltage IR 5.0 A TA=25 Maximum reverse recovery time (Note 1) Trr Typical junction capacitance (Note 2) CJ Typical thermal resistance (Note 3) Maximum operating junction temperature Maximum storage temperature R 150 JL 250 F 25 /W TJ -65 to +125 TSTG -65 to +125 Notes: (1) Reverse recovery test conditions: IF=0.5A, IR=1.0A, Irr=0.25A (2) Measured at 1.0MHz and applied reverse voltage of 4.0 volts (3) Thermal resistance from junction to lead at 0.375 (9.5mm) lead length P.C.B. mounted 1 nS 15.0 Note RATINGS AND CHARACTERISTIC CURVES 2