1PMT4100E3/TR13

Series:	POWERMITE®
Packaging:	Tape & Reel (TR)
Part Status:	Active
Voltage - Zener (Nom) (Vz):	7.5V
Tolerance:	±5%
Power - Max:	1W
Impedance (Max) (Zzt):	200 Ohms
Current - Reverse Leakage @ Vr:	10µA @ 5.7V
Voltage - Forward (Vf) (Max) @ If:	1.1V @ 200mA
Operating Temperature:	-55°C ~ 150°C
Mounting Type:	Surface Mount
Package / Case:	DO-216AA
Supplier Device Package:	DO-216
Base Part Number:	1PMT4100

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Introduction

The 1PMT4100E3/TR13 Zener diode is a single zener diode designed to provide high-performance, cost-effective solutions for a variety of applications. It is a primitive, but reliable and efficient device, and has been used successfully in numerous applications since its introduction in 2014.The 1PMT4100E3/TR13 contains a single junction, fabricated and packaged in a standard SOT23 package, that regulates current in the reverse direction. It has a breakdown voltage of 4.1V and a dynamic impedance of 22ohm. This allows it to protect circuits, stabilize voltage outputs, and provide some degree of surge protection in applications ranging from standard DC-DC converters, to medical and avionics systems.

Application Field

The 1PMT4100E3/TR13 has a unique feature that makes it ideal for use in DC-DC converters, including buck, boost, and SEPIC topologies. Its low dynamic impedance protects the converter’s output voltage from noise and other input disturbances, while its small package size allows it to be used in applications where space is a premium. Additionally, it can be used in power supply designs to protect sensitive components from overvoltage conditions.In addition to DC-DC converters, the 1PMT4100E3/TR13 is also used in standard and automotive avionics systems, where its low breakdown voltage and reverse increases the reliability of the system and reliability of communications between components. In medical systems, such as MRI and CT scanners, the 1PMT4100E3/TR13 can be used to protect sensitive components from static damage, while its compact size allows it to be used in applications where space is limited.

Working Principle

The 1PMT4100E3/TR13 has a working principle which is based on the basic theory of Zeners. When the diode is in forward current flow, the current flows through the diode and is limited by the diode’s forward current rating. However, when the reverse bias voltage is applied and exceeds the breakdown voltage, the diode becomes reversely biased and current can flow between the anode and the cathode.This current flow is limited due to the high reverse dynamic impedance which results in the voltage being stabilized to the desired voltage. As the voltage increases near the rated breakdown voltage, the current flow increases and the voltage remains constant at the breakdown voltage. This maintains the breakdown characteristics of the diode and ensures that the circuit remains operating at the desired voltage.

Conclusion

The 1PMT4100E3/TR13 Zener diode is a small, single zener diode designed to provide high-performance in a variety of applications. It is typically used in DC-DC converters, standard and automotive avionics, and medical systems. Its low breakdown voltage and reverse dynamic impedance makes it ideally suited for these applications, while its minimized package size allows it to be used in applications where space is limited. Additionally, its solid-state nature makes it reliable and efficient in its operation, making it the ideal choice for a variety of applications.

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