DFLZ12-TP Discrete Semiconductor Products

Series:	--
Packaging:	Tape & Reel (TR)
Part Status:	Active
Voltage - Zener (Nom) (Vz):	12V
Tolerance:	±5%
Power - Max:	1W
Impedance (Max) (Zzt):	7 Ohms
Current - Reverse Leakage @ Vr:	3µA @ 9.1V
Voltage - Forward (Vf) (Max) @ If:	1.2V @ 200mA
Operating Temperature:	-55°C ~ 150°C
Mounting Type:	Surface Mount
Package / Case:	SOD-123F
Supplier Device Package:	SOD-123FL
Base Part Number:	DFLZ12

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Introduction to DFLZ12-TP

The DFLZ12-TP is a single Zener diode specifically designed for use in portable applications. It is designed to provide voltage regulation and protection in high-performance portable devices, such as cell phones, PDAs, or other portable devices. The diode has a maximum reverse blocking voltage of 12V, can withstand a maximum ESD of 8kV and has a minimum Zener voltage of 12V.

DFLZ12-TP application field and working principle

The DFLZ12-TP is used in a variety of applications. It is commonly used to protect against short circuits and to regulate voltage in portable devices. It can also be used in automotive applications, such as reverse polarity protection and EMI/RFI noise suppression.The DFLZ12-TP is a Zener diode, and its working principle is as follows: The diode consists of a semiconductor material with a higher impurity concentration at one end, and a lower impurity concentration at the other end. When reverse voltage is applied, the higher impurity concentration will be at the positive end, and the lower impurity concentration will be at the negative end.With the positive end being at the higher impurity concentration, the electrons move towards the P-type region. This causes the depletion layer, or the region between the P-type and N-type semiconductor where electron-hole pairs are reduced, to become narrower, and thus the voltage across the depletion layer increases.When the voltage reaches the Zener breakdown voltage, or the voltage at which a strong electric current can flow through the depletion layer, a large current will flow through the diode and the voltage across the depletion layer will remain constant. This is known as the breakdown voltage of the diode, and it is what helps protect devices against short circuits and EMI/RFI noise.

Conclusion

The DFLZ12-TP is a single Zener diode that is specifically designed for use in portable applications. It provides voltage regulation and protection in high performance portable devices, as well as automotive applications. The diode works by having a higher impurity concentration at the positive end and a lower impurity concentration at the negative end, allowing for the breakdown voltage to remain constant when the applied voltage reaches the Zener breakdown voltage, thus protecting against shorts circuits and EMI/RFI noise.

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