Diode 40 V 3A Surface Mount SMB Schottky diode 3A 40V SMB
The B340B-13-F is a surface-mount Schottky barrier rectifier diode designed for efficient power rectification in low-voltage, high-frequency applications. It features low forward voltage drop and fast switching capability, making it suitable for DC-DC converters, power supplies, reverse polarity protection, and freewheeling diode applications. The device is housed in a compact SMB (DO-214AA) package, enabling high current handling in space-constrained designs.
ELECTRICAL CHARACTERISTICS
Reverse Voltage (VRRM): 40 V
Average Forward Current (IF(AV)): 3 A
Forward Voltage (VF): 0.5 V (typical at IF = 3 A)
Reverse Leakage Current (IR): 0.5 mA (max at VR = 40 V, 25°C)
Peak Surge Current (IFSM): 80 A (8.3 ms single half sine wave)
THERMAL CHARACTERISTICS
Operating Junction Temperature Range: -55°C to +150°C
Storage Temperature Range: -55°C to +150°C
Thermal Resistance Junction-to-Ambient (RθJA): ~75 °C/W
MECHANICAL CHARACTERISTICS
Package Type: SMB (DO-214AA)
Mounting Type: Surface Mount (SMD)
Polarity: Cathode marked by band
Weight: ~0.1 g
FEATURES
Low forward voltage drop for improved efficiency
High surge current capability
Fast switching speed
Low power loss and high reliability
Compact SMB package for space-saving PCB layout
RoHS compliant and halogen-free
APPLICATIONS
Switch-mode power supplies (SMPS)
DC-DC converters
Reverse polarity protection circuits
Freewheeling and clamping diodes
Battery charging circuits
MANUFACTURER / PART DETAILS
Manufacturer: Diodes Incorporated
Part Number: B340B-13-F
Package Code: SMB (DO-214AA)