B390CE-13

Series:	--
Packaging:	Tape & Reel (TR)
Part Status:	Active
Diode Type:	Schottky
Voltage - DC Reverse (Vr) (Max):	90V
Current - Average Rectified (Io):	3A
Voltage - Forward (Vf) (Max) @ If:	790mV @ 3A
Speed:	Fast Recovery = 200mA (Io)
Current - Reverse Leakage @ Vr:	200µA @ 90V
Capacitance @ Vr, F:	105pF @ 4V, 1MHz
Mounting Type:	Surface Mount
Package / Case:	DO-214AB, SMC
Supplier Device Package:	SMC
Operating Temperature - Junction:	-55°C ~ 150°C

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Overview

The B390CE-13 is a silicon rectifier diode with a reputed junction capacitance of 13 pF and low reverse-leakage current. This type of diode belongs to a list of diodes known for their low forward-voltage drop, low switch-on voltage, and high tolerance to reverse-voltage overloads.

Application Fields

The primary application field for the B390CE-13 is as a protection element in power-supply applications. It is typically found in industrial energy-management systems and automotive power-supply networks. Its low forward-voltage drop also makes it suitable for boost converters and electric vehicles. The diode also has a variety of other applications, such as surge protection and rectifying alternating current. It can also be used as a voltage regulator or a short circuit protection device.

Working Principle

The working principle of the B390CE-13 is pretty straightforward. It is a forward-biased p-n junction diode with a reputed junction capacitance of 13 pF. When a positive voltage is applied to the cathode side, the diode is in its “on” state and current flows from the anode to the cathode.In this state, the diode exhibits a specific forward-voltage drop, which is dependent on the current flowing through it. During reverse voltage conditions, the diode is said to be in a “reverse-biased” state, meaning the current flowing through it is small and the device is clamped to the reverse-voltage limit of the diode.The diode’s junction capacitance is also important, as it influences the time taken for the diode to turn ‘on’ when voltage is applied. The capacitance also determines the rate of voltage drop, meaning that a larger junction capacitance will result in a more gradual drop in voltage.

Conclusion

The B390CE-13 is a reputable rectifier diode with a wide range of applications, from automotive to industrial. Its low forward-voltage drop, low switch-on voltage, and tolerance to reverse-voltage overloads make it a reliable choice for protection and regulation. Its junction capacitance of 13 pF impacts the reaction speed and voltage drop, making it a versatile diode that can be tailored to suit different applications.

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