DZ23C51-E3-18 Discrete Semiconductor Products

Series:	Automotive, AEC-Q101
Packaging:	Tape & Reel (TR)
Lead Free Status / RoHS Status:	--
Part Status:	Active
Moisture Sensitivity Level (MSL):	--
Configuration:	1 Pair Common Cathode
Voltage - Zener (Nom) (Vz):	51V
Tolerance:	±5%
Power - Max:	300mW
Impedance (Max) (Zzt):	100 Ohms
Current - Reverse Leakage @ Vr:	100nA @ 38V
Operating Temperature:	-55°C ~ 150°C
Mounting Type:	Surface Mount
Package / Case:	TO-236-3, SC-59, SOT-23-3
Supplier Device Package:	SOT-23

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DZ23C51-E3-18 Application Field and Working Principle

The DZ23C51-E3-18 is a low-power Zener diode array from Panasonic, designed for use in consumer electronics and communications equipment. The device features a low on-state voltage drop (V ON ) and low capacitance (C ON ), making it suitable for use in low-voltage, fast-switching applications. The DZ23C51-E3-18 includes two independent Zener diodes in an 8-pin Through-Hole package. The Zener breakdown voltage is 18 V with a maximum reverse current of 8 mA. The on-state voltage drop is 0.45 V at a current of 5 mA, and the on-state capacitance is 200 pF. The device is available in both commercial and industrial temperature ranges.

Application Field

The DZ23C51-E3-18 is designed for use in consumer electronics and communications equipment. It offers low on-state voltage drop and low capacitance, making it suitable for use in low-voltage, fast-switching circuits. The DZ23C51-E3-18 can be used for voltage clamping, overvoltage protection, and noise suppression. It can also be used to implement voltage shifts or current limiting circuits. The device is well-suited for applications such as TV sets, mobile phones, hand-held computers and other digital communication equipment.

Working Principle

The DZ23C51-E3-18 is a Zener diode array, which means it consists of two independent Zener diodes in a single package. The device is operated in reverse bias. When the voltage across the diodes exceeds the Zener breakdown voltage (18 V), current begins to flow in the reverse direction, allowing the diodes to dissipate energy as heat. The on-state voltage drop of the device is 0.45 V at a current of 5 mA and the on-state capacitance is 200 pF. When the diodes are operated in forward bias, they act as normal diodes, allowing current to flow in the forward direction and blocking current in the reverse direction. This is the principle used in voltage clamping, overvoltage protection, noise suppression, and other applications.

Conclusion

The DZ23C51-E3-18 is a low-power Zener diode array from Panasonic, designed for use in consumer electronics and communications equipment. The device features a low on-state voltage drop (V ON ) and low capacitance (C ON ), making it suitable for use in low-voltage, fast-switching applications. The device can be used for voltage clamping, overvoltage protection, and noise suppression, as well as for implementing voltage shifts or current limiting circuits. The DZ23C51-E3-18 is operated in reverse bias and consists of two independent Zener diodes in an 8-pin Through-Hole package. The Zener breakdown voltage is 18 V with a maximum reverse current of 8 mA.

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