Single Zener Diodes

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	Mfr Part #	Quantity Available	Price	Tariff Status	Series	Package	Product Status	Voltage - Zener (Nom) (Vz)	Tolerance	Power - Max	Impedance (Max) (Zzt)	Current - Reverse Leakage @ Vr	Voltage - Forward (Vf) (Max) @ If	Operating Temperature	Grade	Qualification	Mounting Type	Package / Case	Supplier Device Package
	MMSZ5231B-7-F DIODE ZENER 5.1V 500MW SOD123 Diodes Incorporated	307,436 In Stock 3,207,000 Factory	1 : $0.10000 Cut Tape (CT) 3,000 : $0.01400 Tape & Reel (TR)	Tariff may apply if shipping to the United States	-	Tape & Reel (TR) Cut Tape (CT) Digi-Reel®	Active	5.1 V	±5%	500 mW	17 Ohms	5 µA @ 2 V	900 mV @ 10 mA	-65°C ~ 150°C	-	-	Surface Mount	SOD-123	SOD-123
	MMSZ12T1G DIODE ZENER 12V 500MW SOD123 onsemi	14,320 In Stock	Active	Tariff may apply if shipping to the United States	-	Tape & Reel (TR) Cut Tape (CT) Digi-Reel®	Active	12 V	±5%	500 mW	25 Ohms	100 nA @ 8 V	900 mV @ 10 mA	-55°C ~ 150°C	-	-	Surface Mount	SOD-123	SOD-123

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Zener diodes are designed for operation in a reverse-breakdown mode and are characterized according to their behavior when used in this fashion. Useful as a voltage reference or for voltage limiting purposes, they are also capable of functioning as a one-way valve for current flow in the manner of rectifier diodes, though their behavior in this mode is generally less ideal than that of purpose-built devices. Products within this family implement exactly one instance of this function per device package.