SK32B SK 3108 / CATHODE BAR 4 | 1s a D+ I | (L ) J Dim. Inches Millimeter Minimum Maximum Minimum Maximum Notes A .068 .087 1.73 2.21 B 157 A177 3.99 4.50 Cc 130 155 3.30 3.94 D 194 .228 4.93 5.79 E .078 115 1.98 2.92 F .030 .060 .760 1.52 Microsemi Working Peak Catalog Number Reverse Voltage SK32B 20V SK33B SOV SK34B 40V SK36B 60V SK38B BOV SK310B 100V Repetitive Peak Reverse Voltage e Schottky Barrier Rectifier Low Forward Voltage Drop 20V SOV * 20-100 Volts 40V 60V # Low switching losses 80V 100V @ Round lead design Electrical Characteristics Average forward current | F(AV) Maximum surge current | FSM Max repetitive reverse current | R(OV) Max peak forward voltage (SK32BSK34B) VFM Max peak forward voltage (SK36B) VFM Max peak forward voltage (SK38BSK310B) VFM Max peak reverse current IRM Max peak reverse current | RM Typical junction capacitance Cy *Pulse test: 3.0A 100A 2A -50V .75V .85V mA 20mA 250pF Ty = 120C 8.3ms halfsine f = 1KHZ, 25C, tus square wave IFM = 3.0A:TU = 25C# = 3.0A:TJ = 25C* FM = BOAT = 25C* Pulse width 300 psec, Duty cycle 2% Thermal and Mechanical Characteristics Storage temperature range Operating junction temp range Maximum thermal resistance TST TJ Reuc 55C to 150C 55C to 125C 10C/W SCOTTSDALE OWicrosem/ www.microsemi.com 8700 East Thomas Road, P.O. Box 1390 Scottsdale, AZ 85252 PH: (480) 941-6300 FAX: (480) 947-1503 05-30-07 Rev. 2SKS2B Figure 1 Typical Forward Characteristics 100 80 60 40 20 SK32BSK34B OB 10 8.0 6.0 4.0 2.0 Instantaneous Forward Current Amperes | 0 2 4 6 8 10 12 1.4 Instantaneous Forward Voltage Volts Figure 2 Typical Reverse Characteristics @ 100C 10 0.1 01 Typical Reverse Current mA .001 0 20 40 60 80 100 Reverse Voltage Volts SK S106 Figure 3 Typical Junction Capacitance 1000 800 600 400 200 100 60 40 20 Junction Capacitance pF 10 0.1 05 1 10 50 100 Reverse Voltage Volts 05-30-07 Rev. 2