1N4937-AP

Series:	--
Part Status:	Obsolete
Diode Type:	Standard
Voltage - DC Reverse (Vr) (Max):	600V
Current - Average Rectified (Io):	1A
Voltage - Forward (Vf) (Max) @ If:	1.3V @ 40V
Speed:	Fast Recovery = 200mA (Io)
Reverse Recovery Time (trr):	200ns
Capacitance @ Vr, F:	15pF @ 4V, 1MHz
Mounting Type:	Through Hole
Package / Case:	DO-204AL, DO-41, Axial
Supplier Device Package:	DO-41
Operating Temperature - Junction:	-55°C ~ 150°C

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Introduction

The 1N4937-AP is a single rectifier diode designed specifically for automotive, appliance, and electronic telecom applications. It is a low-voltage, high-speed switching diode that is capable of withstanding up to 100V repetitive peak reverse voltage (100V PRV). The 1N4937-AP is a discrete component that has been tested to meet automotive quality specifications. The 1N4937-AP diode is ideal for general purpose rectification applications that require a low forward voltage drop, high reverse voltage protection, and good surge capability.

Application Field

The 1N4937-AP is designed to meet the needs of automotive, appliance, and electronic telecom applications. It can be used as a general purpose rectifier in automotive applications such as battery chargers, headlamps, and electronic control systems. It is also suitable for LED lighting, reverse polarity protection, and transducer protection. The 1N4937-AP can also be used in a wide range of public and private telecom applications, including cellular phones, satellite receivers, cable television, and PABX systems. In terms of appliance applications, it can be used in the boost converter and rectification circuit of air conditioners, refrigerators, and other home appliances.

Working Principle

The 1N4937-AP operates on the principle of rectification. It is used in circuits to convert AC current to DC current. The 1N4937-AP consists of two electrodes, an anode (positive) and a cathode (negative). When the anode voltage is greater than the cathode voltage, a forward current flows through the diode. When the anode voltage is lower than the cathode voltage, the diode is reversed biased and no current flows. In this way, the diode acts as a switch, allowing a current to flow in one direction, but not in the other.

Benefits

The 1N4937-AP is designed to provide maximum efficiency and reliability. It has a low forward voltage drop, allowing it to operate with lower power consumption than other types of diodes. It also has a high reverse voltage protection, which means it can be used to protect sensitive components from transient voltages. Finally, the 1N4937-AP has a good surge capability, which makes it suitable for use in power supply applications subject to large electrical transients. Conclusion

In conclusion, the 1N4937-AP is a versatile, high-performance single rectifier diode designed specifically for automotive, appliance, and electronic telecom applications. It has a low forward voltage drop and a high reverse voltage protection, making it suitable for rectification and protection of sensitive components. Its good surge capability makes it ideal for use in power supplies subject to large electrical transients.

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