Single Zener Diodes

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	Mfr Part #	Quantity Available	Price	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
	BZX84C12-7-F DIODE ZENER 12V 300MW SOT23-3 Diodes Incorporated	25,353 In Stock	1 : £0.08000 Cut Tape (CT) 3,000 : £0.01676 Tape & Reel (TR)	-	Tape & Reel (TR) Cut Tape (CT) Digi-Reel®	Active	12 V	±5%	300 mW	25 Ohms	100 nA @ 8 V	900 mV @ 10 mA	-65°C ~ 150°C	-	-	Surface Mount	TO-236-3, SC-59, SOT-23-3	SOT-23-3
	MMSZ5229BT1G DIODE ZENER 4.3V 500MW SOD123 onsemi	21,073 In Stock	1 : £0.08000 Cut Tape (CT) 3,000 : £0.01596 Tape & Reel (TR)	MMSZ52xxxT1G	Tape & Reel (TR) Cut Tape (CT) Digi-Reel®	Active	4.3 V	±5%	500 mW	22 Ohms	5 µA @ 1 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.