DZ37100D0L Discrete Semiconductor Products

Power - Max:	150mW
Base Part Number:	DZ3710
Supplier Device Package:	SSSMini3-F2-B
Package / Case:	SOT-723
Mounting Type:	Surface Mount
Operating Temperature:	--
Voltage - Forward (Vf) (Max) @ If:	1V @ 10mA
Current - Reverse Leakage @ Vr:	50nA @ 7V
Impedance (Max) (Zzt):	30 Ohms
Series:	--
Tolerance:	--
Voltage - Zener (Nom) (Vz):	10V
Configuration:	1 Pair Common Anode
Moisture Sensitivity Level (MSL):	--
Part Status:	Active
Lead Free Status / RoHS Status:	--
Packaging:	Tape & Reel (TR)

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DZ37100D0L Application Field and Working Principle

DZ37100D0L is a type of diode array developed by ON Semiconductor that is intended to be used as an electronic voltage regulator. It offers several advantages over conventional zener diodes, including improved efficiency and higher current rating. The diode array is composed of four zener diodes connected in series, each with a minimum breakdown voltage of 3.6V. The maximum continuous reverse current is 200mA.The primary application of DZ37100D0L is in the field of telecommunications, where its robust design and low forward voltage drop are ideal for powering base station networks. Additionally, the array can be used in other fields such as automotive, consumer electronics, and industrial controls. The principle of operation for a diode array such as DZ37100D0L is simple. When voltage is applied across the array with the anode connected to the positive terminal and the cathode connected to the negative terminal, a current will flow through the array and be divided equally among the four diodes. As the voltage across the array increases, the diodes will begin to switch on one after the other, creating a constant and regulated output voltage across the array. The advantage of the diode array compared to a single zener diode is that the output voltage is more stable because the serial arrangement of the diodes enables a higher amount of reverse leakage current to flow through the array. This reduces the effect of variations in temperature and the threshold voltage (Vf) of the diodes on the output voltage. Additionally, the series arrangement of the four zener diodes allows for higher current ratings without sacrificing output voltage stability.The disadvantages of this design stem from its series connection. Since all four zeners must work in tandem, any defect in one diode will cause the device to fail. Additionally, due to the series configuration of the diodes, the total forward voltage drop of the array will be four times higher than a single zener.In conclusion, the advantages of the DZ37100D0L make it a good choice for a number of applications requiring a reliable and stable output voltage. Its design, which uses four zener diodes connected in series, gives it the ability to handle higher current ratings compared to single zener diodes. Despite a few drawbacks, such as an increased forward voltage drop and the fragility of its design, it is still a viable solution for many power supply designs.

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