CMSH3-20L CMSH3-40L SURFACE MOUNT LOW VF SILICON SCHOTTKY RECTIFIER 4 AMP, 20 AND 40 VOLTS SMC CASE FEATURES: • New upgraded 4.0 Amp average forward current (upgraded from 3.0 Amps) • Low forward voltage drop • Flammability classification UL94V-0 • High current capability w w w. c e n t r a l s e m i . c o m DESCRIPTION: The CENTRAL SEMICONDUCTOR 4.0 Amp Surface Mount Low VF Silicon Schottky Rectifier is a high quality, well constructed, highly reliable component designed for use in all types of commercial, industrial, entertainment, computer, and automotive applications where high efficiency is required. To order devices on 16mm Tape and Reel (3000/13” Reel), add TR13 suffix to part number. MARKING CODES: CMSH3-20L: CS320L CMSH3-40L: CS340L • • • • Superior lot to lot consistency Low cost High reliability “C” bend construction provides strain relief when mounted on a PC board MAXIMUM RATINGS: (TA=25°C unless otherwise noted) SYMBOL Peak Repetitive Reverse Voltage DC Blocking Voltage RMS Reverse Voltage * Average Forward Current (TL=90°C) * Peak Forward Surge Current, tp=8.3ms Operating and Storage Junction Temperature Thermal Resistance CMSH3-20L CMSH3-40L UNITS VRRM VR 20 40 V 20 40 V VR(RMS) IO 14 28 V IR V * F * VF A A -65 to +150 °C ΘJL 14 °C/W ELECTRICAL CHARACTERISTICS: (TA=25°C unless otherwise noted) SYMBOL TEST CONDITIONS MAX IR 4.0 150 IFSM TJ, Tstg UNITS VR=Rated VRRM VR=Rated VRRM, TA=100°C IF=4.0A (CMSH3-20L) 0.50 mA 35 mA 0.42 V IF=4.0A (CMSH3-40L) 0.44 V VF IF=3.0A (CMSH3-20L) 0.38 V VF IF=3.0A (CMSH3-40L) 0.40 V * Upgraded Specification R4 (8-February 2010) CMSH3-20L CMSH3-40L SURFACE MOUNT LOW VF SILICON SCHOTTKY RECTIFIER 4 AMP, 20 AND 40 VOLTS SMC CASE - MECHANICAL OUTLINE DEVICE MARKING CODE CMSH3-20L CS320L CMSH3-40L CS340L R4 (8-February 2010) w w w. c e n t r a l s e m i . c o m