ZMM5252B-13

Series:	--
Packaging:	Tape & Reel (TR)
Part Status:	Obsolete
Voltage - Zener (Nom) (Vz):	24V
Tolerance:	±5%
Power - Max:	500mW
Impedance (Max) (Zzt):	33 Ohms
Current - Reverse Leakage @ Vr:	100nA @ 18V
Voltage - Forward (Vf) (Max) @ If:	1.5V @ 200mA
Operating Temperature:	-65°C ~ 175°C (TJ)
Mounting Type:	Surface Mount
Package / Case:	DO-213AC, MINI-MELF, SOD-80
Supplier Device Package:	Mini MELF

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Introduction to ZMM5252B-13

ZMM5252B-13 is an ultra-low capacitance ESD protection diode. It is part of the single Zener diode family, categorized according to its voltage protection capability and working principle. This diode, compared to other standard ESD protection diodes, includes low capacitance values, fast response times and low leakage. Facing the current trends, ZMM5252B-13 offers a perfect alternative for demanding high-speed protection requirements.

Application Field

Due to its robustness and low capacitance, the ZMM5252B-13 is preferred for a variety of low-power, high-speed applications, such as those found in thin cables (USB and SMTP), high speed serial data lines and other sensitive interfaces to avoid differential modal and attenuation. The low capacitance value, which is one of the most exclusive features of this diode, can effectively protect data lines from high-frequency sources, especially lightning or electrostatic protection requirements considering equal protection for data lines. The TVS also provides higher surge capability for transient over-voltage protection. Also, this diode is handy in high frequency RF applications such as cellular phone, mobile and feature phones and mobile data communication equipment, which require ESD protection and line surge protection along with maintaining wideband performance.

Working Principle

The ZMM5252B-13 single Zener diode is based on Zener negative resistance breakdown principals. The diode will conduct current in the reverse direction when the voltage across the device exceeds its Zener voltage. This Working Principle of the ZMM5252B-13 is simple yet effective in the protection of sensitive electronics from sudden reverse voltage surges. The device diverts current from the target device, allowing it to act as both an efficient and robust ESD device. It also provides immunity from static electricity to sensitive exposed circuits and components.The ZMM5252B-13 can be applied in either common mode or differential mode protection. In common mode protection, the diode is connected between a pair of data lines and its clamping voltage is balanced by the current that is referenced to its ground point. In differential mode protection, due to its ultra-low capacitance, the diode is put in series with each line and the clamping voltage is based on the voltage of its source input.

Conclusion

The ZMM5252B-13 is a powerful and dependable ESD protection diode, created with the aim of providing an effectual protection against lightning, electrostatic discharge and high-frequency RF interference. It provides fast response times and low capacitance. This diode outshines its predecessors with its low leakage levels making it a perfect alternate high-speed protection alternative. It serves as a great choice for protection of sensitive electronics in thin cables, electrical/electronic interfaces and mobile communication devices.

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