BA157 . . . 159 Series Data Sheet 1.0 Amp FAST RECOVERY PLASTIC RECTIFIERS Mechanical Dimensions Description JEDEC D0-15 .230 .300 1.00 Min. .104 .140 .031 typ. Features n FAST SWITCHING FOR HIGH EFFICIENCY n 1.0 AMP OPERATION @ TA = 55°C, WITH NO THERMAL RUNAWAY n HIGH SURGE CAPABILITY n MEETS UL SPECIFICATION 94V-0 Electrical Characteristics @ 25 oC. Maximum Ratings Units BA157 . . . 159 Series BA157 BA158 BA159 Peak Repetitive Reverse Voltage...VRRM 400 600 1000 Volts RMS Reverse Voltage...VR(rms) 280 420 700 Volts DC Blocking Voltage...VDC 400 600 1000 Volts Average Forward Rectified Current...IF(av) TA = 55°C (Note 3) ............................................. 1.0 ............................................... Amps Non-Repetitive Peak Forward Surge Current...IFSM @ Rated Current & Temp ............................................. 5.0 ............................................... ............................................. 35 ............................................... Amps Amps Forward Voltage @ 1.0A...VF ............................................. 1.3 ............................................... Volts DC Reverse Current...IR @ 25°C @ Rated DC Blocking Voltage @ 100°C ............................................. 5.0 ............................................... µAmps ............................................. 100 ............................................... µAmps Typical Junction Capacitance...CJ (Note 1) Typical Thermal Resistance...RθJC (Note 2) Typical Reverse Recovery Time...tRR Operating & Storage Temperature Range...TJ, TSTRG Page 4-4 22 20 18 ............................................. 60 ............................................... 300 300 500 ......................................... -50 to 150 .......................................... pF °C / W nS °C Forward Current Derating Curve 4 BA157 . . . 159 Series 1.0 Amp FAST RECOVERY PLASTIC RECTIFIERS Data Sheet Thermal Resistance Junction to Ambient 50 R Load 40 2 1 °C / Watt Amps 3 C Load Max. 30 20 Typ. 10 LL = 10mm 0 0 25 50 75 5 10 15 20 25 100 125 150 175 Lead Length in mm TA = Ambient Temperature (°°C) Typical Junction Capacitance Instantaneous Forward Current 30 100 Typ. 10 20 pF Amps 1 Max. .1 .01 10 .001 0 0 1 10 100 1000 Reverse Voltage (Volts) NOTES: 1. Measured @ 1 MHZ and applied reverse voltage of 4.0V. 2. Thermal Resistance Junction to Ambient, Jedec Method. 3. When Mounted to heat sink, from body. .2 .4 .6 .8 Volts (VF) 1.0 1.2 1.4 Ratings at 25 Deg. C ambient temperature unless otherwise specified. Single Phase Half Wave, 60 HZ Resistive or Inductive Load. For Capacitive Load, Derate Current by 20%. Page 4-5