FLAT Zener Diodes 158

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Part	Manufacturer	Diode Type	Terminal Position	Terminal Form	No. of Terminals	Surface Mount	Package Shape	Package Body Material	Working Test Current	Config	Maximum Voltage Temperature Coefficient	Nominal Reference Voltage	Maximum Forward Voltage (VF)	Technology	Maximum Reverse Current	No. of Elements	Reverse Test Voltage	Package Style (Meter)	Sub-Category	Maximum Voltage Tolerance	Maximum Repetitive Peak Reverse Voltage	Maximum Knee Impedance	Maximum Operating Temperature	Maximum Dynamic Impedance	Minimum Operating Temperature	Terminal Finish	JESD-30 Code	Moisture Sensitivity Level (MSL)	Polarity	Case Connection	Qualification	Maximum Power Dissipation	Additional Features	JEDEC-95 Code	JESD-609 Code	Maximum Time At Peak Reflow Temperature (s)	Peak Reflow Temperature (C)	Diode Element Material	Reference Standard
PTV30B-M3/85A	Vishay Intertechnology	ZENER DIODE	DUAL	FLAT	2	YES	RECTANGULAR	PLASTIC/EPOXY	10 mA	SINGLE		30 V		ZENER		1		SMALL OUTLINE	Voltage Reference Diodes	6.25 %			150 Cel	18 ohm		MATTE TIN	R-PDSO-F2	1	UNIDIRECTIONAL	ANODE	Not Qualified	.6 W		DO-220AA	e3		260	SILICON
MMSZ5230BS-7	Diodes Incorporated	ZENER DIODE	DUAL	FLAT	2	YES	RECTANGULAR	PLASTIC/EPOXY	20 mA	SINGLE		4.7 V		ZENER		1		SMALL OUTLINE	Voltage Reference Diodes	5 %			150 Cel	19 ohm	-65 Cel	TIN LEAD	R-PDSO-F2		UNIDIRECTIONAL		Not Qualified	.2 W			e0			SILICON
MM5Z2V4ST1	Onsemi	ZENER DIODE	DUAL	FLAT	2	YES	RECTANGULAR	PLASTIC/EPOXY	5 mA	SINGLE		2.4 V		ZENER		1		SMALL OUTLINE	Voltage Reference Diodes	3.95 %			150 Cel	100 ohm		TIN	R-PDSO-F2	1	UNIDIRECTIONAL		Not Qualified	.2 W			e3		260	SILICON
MM5Z4V7ST1	Onsemi	ZENER DIODE	DUAL	FLAT	2	YES	RECTANGULAR	PLASTIC/EPOXY	5 mA	SINGLE		4.7 V		ZENER		1		SMALL OUTLINE	Voltage Reference Diodes	2.15 %			150 Cel	80 ohm		TIN	R-PDSO-F2	1	UNIDIRECTIONAL		Not Qualified	.2 W			e3		260	SILICON
MM5Z5V1ST1	Onsemi	ZENER DIODE	DUAL	FLAT	2	YES	RECTANGULAR	PLASTIC/EPOXY	5 mA	SINGLE		5.1 V		ZENER		1		SMALL OUTLINE	Voltage Reference Diodes	2.16 %			150 Cel	60 ohm		TIN	R-PDSO-F2		UNIDIRECTIONAL		Not Qualified	.2 W			e3		260	SILICON
MM5Z5V6ST1	Onsemi	ZENER DIODE	DUAL	FLAT	2	YES	RECTANGULAR	PLASTIC/EPOXY	5 mA	SINGLE		5.6 V		ZENER		1		SMALL OUTLINE	Voltage Reference Diodes	2.14 %			150 Cel	40 ohm		TIN	R-PDSO-F2		UNIDIRECTIONAL		Not Qualified	.2 W			e3		260	SILICON
MM5Z7V5ST1	Onsemi	ZENER DIODE	DUAL	FLAT	2	YES	RECTANGULAR	PLASTIC/EPOXY	5 mA	SINGLE		7.5 V		ZENER		1		SMALL OUTLINE	Voltage Reference Diodes	2.15 %			150 Cel	15 ohm		TIN	R-PDSO-F2	1	UNIDIRECTIONAL		Not Qualified	.2 W			e3		260	SILICON
MM5Z8V2ST1	Onsemi	ZENER DIODE	DUAL	FLAT	2	YES	RECTANGULAR	PLASTIC/EPOXY	5 mA	SINGLE		8.2 V		ZENER		1		SMALL OUTLINE	Voltage Reference Diodes	2.08 %			150 Cel	15 ohm		TIN	R-PDSO-F2	1	UNIDIRECTIONAL		Not Qualified	.2 W			e3		260	SILICON
MM5Z9V1ST1	Onsemi	ZENER DIODE	DUAL	FLAT	2	YES	RECTANGULAR	PLASTIC/EPOXY	5 mA	SINGLE		9.1 V		ZENER		1		SMALL OUTLINE	Voltage Reference Diodes	2.1 %			150 Cel	15 ohm		TIN	R-PDSO-F2	1	UNIDIRECTIONAL		Not Qualified	.2 W			e3		260	SILICON
BZD27C33P-M-08	Vishay Intertechnology	ZENER DIODE	DUAL	FLAT	2	YES	RECTANGULAR	PLASTIC/EPOXY	25 mA	SINGLE		33 V		ZENER		1		SMALL OUTLINE	Voltage Reference Diodes	6.06 %			150 Cel			MATTE TIN	R-PDSO-F2	1	UNIDIRECTIONAL		Not Qualified	.8 W		DO-219AB	e3			SILICON
BZD27C33P-M-18	Vishay Intertechnology	ZENER DIODE	DUAL	FLAT	2	YES	RECTANGULAR	PLASTIC/EPOXY	25 mA	SINGLE		33 V		ZENER		1		SMALL OUTLINE	Voltage Reference Diodes	6.06 %			150 Cel			MATTE TIN	R-PDSO-F2	1	UNIDIRECTIONAL		Not Qualified	.8 W		DO-219AB	e3			SILICON
BZD27C5V6P-M-08	Vishay Intertechnology	ZENER DIODE	DUAL	FLAT	2	YES	RECTANGULAR	PLASTIC/EPOXY	100 mA	SINGLE		5.6 V		ZENER		1		SMALL OUTLINE	Voltage Reference Diodes	7.14 %			150 Cel	2 ohm		MATTE TIN	R-PDSO-F2	1	UNIDIRECTIONAL		Not Qualified	.8 W		DO-219AB	e3			SILICON
BZD27C7V5P-M-18	Vishay Intertechnology	ZENER DIODE	DUAL	FLAT	2	YES	RECTANGULAR	PLASTIC/EPOXY	100 mA	SINGLE		7.5 V		ZENER		1		SMALL OUTLINE	Voltage Reference Diodes	6.04 %			150 Cel			MATTE TIN	R-PDSO-F2	1	UNIDIRECTIONAL		Not Qualified	.8 W		DO-219AB	e3			SILICON
UDZSTE-1712B	ROHM	ZENER DIODE	DUAL	FLAT	2	YES	RECTANGULAR	PLASTIC/EPOXY	5 mA	SINGLE		12 V		ZENER		1		SMALL OUTLINE	Voltage Reference Diodes	2.09 %			125 Cel	30 ohm		TIN SILVER COPPER	R-PDSO-F2	1	UNIDIRECTIONAL		Not Qualified	.2 W			e1	10	260	SILICON
UDZSTE-1736B	ROHM	ZENER DIODE	DUAL	FLAT	2	YES	RECTANGULAR	PLASTIC/EPOXY	5 mA	SINGLE		36 V		ZENER		1		SMALL OUTLINE	Voltage Reference Diodes	2.5 %			125 Cel	300 ohm		TIN SILVER COPPER	R-PDSO-F2		UNIDIRECTIONAL		Not Qualified	.2 W			e1			SILICON
MM5Z3V3ST1	Onsemi	ZENER DIODE	DUAL	FLAT	2	YES	RECTANGULAR	PLASTIC/EPOXY	5 mA	SINGLE		3.3 V		ZENER		1		SMALL OUTLINE	Voltage Reference Diodes	3.07 %			150 Cel	95 ohm		TIN	R-PDSO-F2	1	UNIDIRECTIONAL		Not Qualified	.2 W			e3		260	SILICON
DDZ9705T-7	Diodes Incorporated	ZENER DIODE	DUAL	FLAT	2	YES	RECTANGULAR	PLASTIC/EPOXY	.05 mA	SINGLE		18 V		ZENER		1		SMALL OUTLINE	Voltage Reference Diodes	5 %			150 Cel		-65 Cel	MATTE TIN	R-PDSO-F2	1	UNIDIRECTIONAL		Not Qualified	.15 W			e3	30	260	SILICON
DDZ9708T-7	Diodes Incorporated	ZENER DIODE	DUAL	FLAT	2	YES	RECTANGULAR	PLASTIC/EPOXY	.05 mA	SINGLE		22 V		ZENER		1		SMALL OUTLINE	Voltage Reference Diodes	5 %			150 Cel		-65 Cel	MATTE TIN	R-PDSO-F2	1	UNIDIRECTIONAL		Not Qualified	.15 W			e3	30	260	SILICON
DDZ9712T-7	Diodes Incorporated	ZENER DIODE	DUAL	FLAT	2	YES	RECTANGULAR	PLASTIC/EPOXY	.05 mA	SINGLE		28 V		ZENER		1		SMALL OUTLINE	Voltage Reference Diodes	5 %			150 Cel		-65 Cel	MATTE TIN	R-PDSO-F2	1	UNIDIRECTIONAL		Not Qualified	.15 W			e3	30	260	SILICON
DDZ9713T-7	Diodes Incorporated	ZENER DIODE	DUAL	FLAT	2	YES	RECTANGULAR	PLASTIC/EPOXY	.05 mA	SINGLE		30 V		ZENER		1		SMALL OUTLINE	Voltage Reference Diodes	5 %			150 Cel		-65 Cel	MATTE TIN	R-PDSO-F2	1	UNIDIRECTIONAL		Not Qualified	.15 W			e3	30	260	SILICON
DDZ9717T-7	Diodes Incorporated	ZENER DIODE	DUAL	FLAT	2	YES	RECTANGULAR	PLASTIC/EPOXY	.05 mA	SINGLE		43 V		ZENER		1		SMALL OUTLINE	Voltage Reference Diodes	5 %			150 Cel		-65 Cel	MATTE TIN	R-PDSO-F2	1	UNIDIRECTIONAL		Not Qualified	.15 W			e3	30	260	SILICON
MM5Z11VT1G	Onsemi	ZENER DIODE	DUAL	FLAT	2	YES	RECTANGULAR	PLASTIC/EPOXY	5 mA	SINGLE		11 V	.9 V	ZENER	.1 uA	1	8 V	SMALL OUTLINE	Voltage Reference Diodes	5.45 %		160 ohm	150 Cel	20 ohm	-65 Cel	MATTE TIN	R-PDSO-F2	1	UNIDIRECTIONAL		Not Qualified	.5 W			e3	30	260	SILICON
MM5Z13VT1G	Onsemi	ZENER DIODE	DUAL	FLAT	2	YES	RECTANGULAR	PLASTIC/EPOXY	5 mA	SINGLE		13 V	.9 V	ZENER	.1 uA	1	8 V	SMALL OUTLINE	Voltage Reference Diodes	6.42 %		80 ohm	150 Cel	30 ohm	-65 Cel	TIN	R-PDSO-F2	1	UNIDIRECTIONAL		Not Qualified	.5 W			e3		260	SILICON
MM5Z22VT1G	Onsemi	ZENER DIODE	DUAL	FLAT	2	YES	RECTANGULAR	PLASTIC/EPOXY	5 mA	SINGLE		22 V	.9 V	ZENER	.05 uA	1	15.4 V	SMALL OUTLINE	Voltage Reference Diodes	5.67 %		100 ohm	150 Cel	55 ohm	-65 Cel	MATTE TIN	R-PDSO-F2	1	UNIDIRECTIONAL		Not Qualified	.5 W			e3	30	260	SILICON
MM5Z30VT1G	Onsemi	ZENER DIODE	DUAL	FLAT	2	YES	RECTANGULAR	PLASTIC/EPOXY	2 mA	SINGLE		30 V	.9 V	ZENER	.05 uA	1	21 V	SMALL OUTLINE	Voltage Reference Diodes	6.67 %		300 ohm	150 Cel	80 ohm	-65 Cel	TIN	R-PDSO-F2	1	UNIDIRECTIONAL		Not Qualified	.5 W			e3		260	SILICON
MM5Z39VT1G	Onsemi	ZENER DIODE	DUAL	FLAT	2	YES	RECTANGULAR	PLASTIC/EPOXY	2 mA	SINGLE		39 V	.9 V	ZENER	.05 uA	1	27.3 V	SMALL OUTLINE	Voltage Reference Diodes	5.13 %		500 ohm	150 Cel	130 ohm	-65 Cel	MATTE TIN	R-PDSO-F2	1	UNIDIRECTIONAL		Not Qualified	.5 W			e3	30	260	SILICON
MM5Z12VST1G	Onsemi	ZENER DIODE	DUAL	FLAT	2	YES	RECTANGULAR	PLASTIC/EPOXY	5 mA	SINGLE		12 V	.9 V	ZENER	.1 uA	1	8 V	SMALL OUTLINE	Voltage Reference Diodes	2.09 %		25 ohm	150 Cel	80 ohm	-65 Cel	TIN	R-PDSO-F2	1	UNIDIRECTIONAL		Not Qualified	.2 W			e3		260	SILICON
MM5Z3V3ST1G	Onsemi	ZENER DIODE	DUAL	FLAT	2	YES	RECTANGULAR	PLASTIC/EPOXY	5 mA	SINGLE		3.3 V	.9 V	ZENER	5 uA	1	1 V	SMALL OUTLINE	Voltage Reference Diodes	3.07 %		95 ohm	150 Cel	1000 ohm	-65 Cel	TIN	R-PDSO-F2	1	UNIDIRECTIONAL		Not Qualified	.2 W			e3		260	SILICON
MM5Z3V6ST1G	Onsemi	ZENER DIODE	DUAL	FLAT	2	YES	RECTANGULAR	PLASTIC/EPOXY	5 mA	SINGLE		3.6 V	.9 V	ZENER	5 uA	1	1 V	SMALL OUTLINE	Voltage Reference Diodes	3.36 %		90 ohm	150 Cel	1000 ohm	-65 Cel	TIN	R-PDSO-F2	1	UNIDIRECTIONAL		Not Qualified	.2 W			e3		260	SILICON
MM5Z3V9ST1G	Onsemi	ZENER DIODE	DUAL	FLAT	2	YES	RECTANGULAR	PLASTIC/EPOXY	5 mA	SINGLE		3.9 V	.9 V	ZENER	3 uA	1	1 V	SMALL OUTLINE	Voltage Reference Diodes	3.35 %		90 ohm	150 Cel	1000 ohm	-65 Cel	TIN	R-PDSO-F2	1	UNIDIRECTIONAL		Not Qualified	.2 W			e3		260	SILICON
MM5Z7V5ST1G	Onsemi	ZENER DIODE	DUAL	FLAT	2	YES	RECTANGULAR	PLASTIC/EPOXY	5 mA	SINGLE		7.5 V	.9 V	ZENER	1 uA	1	5 V	SMALL OUTLINE	Voltage Reference Diodes	2.15 %		15 ohm	150 Cel	160 ohm	-65 Cel	TIN	R-PDSO-F2	1	UNIDIRECTIONAL		Not Qualified	.2 W			e3		260	SILICON
BZT585B11TQ-7	Diodes Incorporated	ZENER DIODE	DUAL	FLAT	2	YES	RECTANGULAR	PLASTIC/EPOXY	5 mA	SINGLE	8.2 mV/Cel	11 V	1.1 V	ZENER	.1 uA	1	8 V	SMALL OUTLINE		2 %	8 V	150 ohm	150 Cel	10 ohm	-65 Cel	MATTE TIN	R-PDSO-F2	1	UNIDIRECTIONAL			.35 W	HIGH RELIABILITY		e3	30	260	SILICON	AEC-Q101
BZT585B12TQ-7	Diodes Incorporated	ZENER DIODE	DUAL	FLAT	2	YES	RECTANGULAR	PLASTIC/EPOXY	5 mA	SINGLE	9.5 mV/Cel	12 V	1.1 V	ZENER	.1 uA	1	8 V	SMALL OUTLINE		2 %	8 V	150 ohm	150 Cel	10 ohm	-65 Cel	MATTE TIN	R-PDSO-F2	1	UNIDIRECTIONAL			.35 W	HIGH RELIABILITY		e3	30	260	SILICON	AEC-Q101
BZT585B16TQ-7	Diodes Incorporated	ZENER DIODE	DUAL	FLAT	2	YES	RECTANGULAR	PLASTIC/EPOXY	5 mA	SINGLE	14.4 mV/Cel	16 V	1.1 V	ZENER	.05 uA	1	11.2 V	SMALL OUTLINE		2 %	11.2 V	200 ohm	150 Cel	40 ohm	-65 Cel	MATTE TIN	R-PDSO-F2	1	UNIDIRECTIONAL			.35 W	HIGH RELIABILITY		e3	30	260	SILICON	AEC-Q101
BZT585B24TQ-7	Diodes Incorporated	ZENER DIODE	DUAL	FLAT	2	YES	RECTANGULAR	PLASTIC/EPOXY	5 mA	SINGLE	24.4 mV/Cel	24 V	1.1 V	ZENER	.05 uA	1	16.8 V	SMALL OUTLINE		2 %	16.8 V	250 ohm	150 Cel	70 ohm	-65 Cel	MATTE TIN	R-PDSO-F2	1	UNIDIRECTIONAL			.35 W	HIGH RELIABILITY		e3	30	260	SILICON	AEC-Q101
BZT585B33TQ-7	Diodes Incorporated	ZENER DIODE	DUAL	FLAT	2	YES	RECTANGULAR	PLASTIC/EPOXY	2 mA	SINGLE	36.7 mV/Cel	33 V	1.1 V	ZENER	.05 uA	1	23.1 V	SMALL OUTLINE		2 %	23.1 V	325 ohm	150 Cel	80 ohm	-65 Cel	MATTE TIN	R-PDSO-F2	1	UNIDIRECTIONAL			.35 W	HIGH RELIABILITY		e3	30	260	SILICON	AEC-Q101
BZT585B39TQ-7	Diodes Incorporated	ZENER DIODE	DUAL	FLAT	2	YES	RECTANGULAR	PLASTIC/EPOXY	2 mA	SINGLE	48.1 mV/Cel	39 V	1.1 V	ZENER	.05 uA	1	27.3 V	SMALL OUTLINE		2 %	27.3 V	350 ohm	150 Cel	130 ohm	-65 Cel	MATTE TIN	R-PDSO-F2	1	UNIDIRECTIONAL			.35 W	HIGH RELIABILITY		e3	30	260	SILICON	AEC-Q101
BZT585B43TQ-7	Diodes Incorporated	ZENER DIODE	DUAL	FLAT	2	YES	RECTANGULAR	PLASTIC/EPOXY	2 mA	SINGLE	55.7 mV/Cel	43 V	1.1 V	ZENER	.05 uA	1	30.1 V	SMALL OUTLINE		2 %	30.1 V	375 ohm	150 Cel	150 ohm	-65 Cel	MATTE TIN	R-PDSO-F2	1	UNIDIRECTIONAL			.35 W	HIGH RELIABILITY		e3	30	260	SILICON	AEC-Q101
BZT585B2V4TQ-13	Diodes Incorporated	ZENER DIODE	DUAL	FLAT	2	YES	RECTANGULAR	PLASTIC/EPOXY	5 mA	SINGLE	-1.3 mV/Cel	2.4 V	1.1 V	ZENER	50 uA	1	1 V	SMALL OUTLINE		2 %		400 ohm	150 Cel	100 ohm	-65 Cel	MATTE TIN	R-PDSO-F2	1	UNIDIRECTIONAL			.35 W			e3	30	260	SILICON	AEC-Q101
BZT585B3V6TQ-13	Diodes Incorporated	ZENER DIODE	DUAL	FLAT	2	YES	RECTANGULAR	PLASTIC/EPOXY	5 mA	SINGLE	-1.9 mV/Cel	3.6 V	1.1 V	ZENER	5 uA	1	1 V	SMALL OUTLINE		2 %		500 ohm	150 Cel	90 ohm	-65 Cel	MATTE TIN	R-PDSO-F2	1	UNIDIRECTIONAL			.35 W			e3	30	260	SILICON	AEC-Q101
BZT585B3V9TQ-13	Diodes Incorporated	ZENER DIODE	DUAL	FLAT	2	YES	RECTANGULAR	PLASTIC/EPOXY	5 mA	SINGLE	-1.9 mV/Cel	3.9 V	1.1 V	ZENER	3 uA	1	1 V	SMALL OUTLINE		2 %		500 ohm	150 Cel	90 ohm	-65 Cel	MATTE TIN	R-PDSO-F2	1	UNIDIRECTIONAL			.35 W			e3	30	260	SILICON	AEC-Q101
BZT585B5V6TQ-13	Diodes Incorporated	ZENER DIODE	DUAL	FLAT	2	YES	RECTANGULAR	PLASTIC/EPOXY	5 mA	SINGLE	1 mV/Cel	5.6 V	1.1 V	ZENER	1 uA	1	2 V	SMALL OUTLINE		2 %		400 ohm	150 Cel	40 ohm	-65 Cel	MATTE TIN	R-PDSO-F2	1	UNIDIRECTIONAL			.35 W			e3	30	260	SILICON	AEC-Q101
BZT585B6V2TQ-13	Diodes Incorporated	ZENER DIODE	DUAL	FLAT	2	YES	RECTANGULAR	PLASTIC/EPOXY	5 mA	SINGLE	2.2 mV/Cel	6.2 V	1.1 V	ZENER	3 uA	1	4 V	SMALL OUTLINE		2 %		150 ohm	150 Cel	10 ohm	-65 Cel	MATTE TIN	R-PDSO-F2	1	UNIDIRECTIONAL			.35 W			e3	30	260	SILICON	AEC-Q101
BZT585B6V8TQ-13	Diodes Incorporated	ZENER DIODE	DUAL	FLAT	2	YES	RECTANGULAR	PLASTIC/EPOXY	5 mA	SINGLE	3 mV/Cel	6.8 V	1.1 V	ZENER	2 uA	1	4 V	SMALL OUTLINE		2 %		80 ohm	150 Cel	15 ohm	-65 Cel	MATTE TIN	R-PDSO-F2	1	UNIDIRECTIONAL			.35 W			e3	30	260	SILICON	AEC-Q101
BZT585B7V5TQ-13	Diodes Incorporated	ZENER DIODE	DUAL	FLAT	2	YES	RECTANGULAR	PLASTIC/EPOXY	5 mA	SINGLE	3.8 mV/Cel	7.5 V	1.1 V	ZENER	1 uA	1	5 V	SMALL OUTLINE		2 %		80 ohm	150 Cel	10 ohm	-65 Cel	MATTE TIN	R-PDSO-F2	1	UNIDIRECTIONAL			.35 W			e3	30	260	SILICON	AEC-Q101
MM5Z39VT5G	Onsemi	ZENER DIODE	DUAL	FLAT	2	YES	RECTANGULAR	PLASTIC/EPOXY		SINGLE	41.2 mV/Cel	37 V		ZENER	.05 uA	1	27.3 V	SMALL OUTLINE		5.13 %		500 ohm	150 Cel	130 ohm	-65 Cel		R-PDSO-F2		UNIDIRECTIONAL			.5 W						SILICON
BZT52C6V2SRRG	Taiwan Semiconductor	ZENER DIODE	DUAL	FLAT	2	YES	RECTANGULAR	PLASTIC/EPOXY	5 mA	SINGLE		6.2 V		ZENER	2.7 uA	1	4 V	SMALL OUTLINE		5 %		141 ohm	150 Cel	10 ohm	-65 Cel	MATTE TIN OVER NICKEL	R-PDSO-F2	1	UNIDIRECTIONAL			.2 W			e3	30	260	SILICON
PLZ20D-G3/H	Vishay Intertechnology	ZENER DIODE	DUAL	FLAT	2	YES	RECTANGULAR	PLASTIC/EPOXY	10 mA	SINGLE		20 V	.9 V	ZENER	.2 uA	1	15 V	SMALL OUTLINE		2.47 %			150 Cel	28 ohm		Matte Tin (Sn)	R-PDSO-F2	1	UNIDIRECTIONAL			.34 W		DO-219AC	e3	30	260	SILICON	IEC-61000-4-2, 4-5

Zener Diodes

Zener diodes are electronic components that are designed to operate in the reverse breakdown region of their P-N junction, providing a stable and predictable voltage output. They are commonly used in electronic circuits as voltage regulators, voltage references, and surge protectors.

Zener diodes operate based on the properties of their P-N junction, which is designed to have a narrow depletion region and a low breakdown voltage. When a reverse voltage is applied to the diode, the depletion region widens, allowing a small reverse current to flow. As the voltage across the diode increases, the reverse current increases exponentially, maintaining a stable voltage across the diode.

Zener diodes offer several advantages over other types of voltage regulators, such as simplicity, low cost, and high efficiency. They do not require any external components, such as capacitors or inductors, and they can provide a stable output voltage over a wide range of input voltages and temperatures.

Zener diodes are commonly used in electronic circuits that require a stable voltage source, such as power supplies, battery chargers, and voltage regulators. They come in different package sizes and voltage ratings, depending on the application and the required performance.