CMSD4448 SURFACE MOUNT HIGH SPEED SILICON SWITCHING DIODE w w w. c e n t r a l s e m i . c o m DESCRIPTION: The CENTRAL SEMICONDUCTOR CMSD4448 type is a ultra-high speed silicon switching diode manufactured by the epitaxial planar process, in an epoxy molded SUPERminiTM surface mount package, designed for high switching applications. MARKING CODE: ADA SOT-323 CASE MAXIMUM RATINGS: (TA=25°C) Continuous Reverse Voltage Peak Repetitive Reverse Voltage Continuous Forward Current Peak Repetitive Forward Current Peak Forward Surge Current, tp=1.0μs Peak Forward Surge Current, tp=1.0s Power Dissipation Operating and Storage Junction Temperature Thermal Resistance SYMBOL UNITS VR 75 V VRRM IF 100 V 250 mA IFRM IFSM 500 mA 4.0 A IFSM PD 1.0 A 275 mW TJ, Tstg ΘJA -65 to +150 °C 455 °C/W MAX UNITS 25 nA ELECTRICAL CHARACTERISTICS: (TA=25°C unless otherwise noted) SYMBOL TEST CONDITIONS IR BVR VR=20V IR=5.0μA BVR IR=100μA 100 VF IF=5.0mA 0.62 VF IF=100mA 1.0 V CT VR=0, f=1.0MHz IF=IR=10mA, Irr=1.0mA, RL=100Ω 4.0 pF 4.0 ns trr MIN 75 V V 0.72 V R5 (8-February 2010) CMSD4448 SURFACE MOUNT HIGH SPEED SILICON SWITCHING DIODE SOT-323 CASE - MECHANICAL OUTLINE PIN CONFIGURATION LEAD CODE: 1) Anode 2) No Connection 3) Cathode MARKING CODE: ADA R5 (8-February 2010) w w w. c e n t r a l s e m i . c o m