Diodes - Zener - Single

Category Introduction

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.

Product List

4257 Items

Mfr Part #	Quantity Available	UnitPrice	Series	Packaging	Product Status	Voltage - Zener (Nom) (Vz)	Tolerance	Power - Max	Impedance (Max) (Zzt)	Current - Reverse Leakage @ Vr	Voltage - Forward (Vf) (Max) @ If	Operating Temperature	Mounting Type	Package / Case	Supplier Device Package
BZX84-C15,215 DIODE ZENER 15V 250MW TO236AB Nexperia USA Inc.	2,900	$0.18	Automotive, AEC-Q101	Tape & Reel (TR)	Active	15 V	±5%	250 mW	30 Ohms	50 nA @ 10.5 V	900 mV @ 10 mA	-65°C ~ 150°C	Surface Mount	TO-236-3, SC-59, SOT-23-3	TO-236AB
BZX84-C15,235 DIODE ZENER 15V 250MW TO236AB Nexperia USA Inc.	3,596	$0.17	Automotive, AEC-Q101	Tape & Reel (TR)	Active	15 V	±5%	250 mW	30 Ohms	50 nA @ 10.5 V	900 mV @ 10 mA	-65°C ~ 150°C	Surface Mount	TO-236-3, SC-59, SOT-23-3	TO-236AB
MMSZ4684T1G DIODE ZENER 3.3V 500MW SOD123 onsemi	3,532	$0.26		Tape & Reel (TR)	Active	3.3 V	±5%	500 mW	-	7.5 µA @ 1.5 V	900 mV @ 10 mA	-55°C ~ 150°C	Surface Mount	SOD-123	SOD-123
MMSZ5238BT1G DIODE ZENER 8.7V 500MW SOD123 onsemi	3,189	$0.25	MMSZ52xxxT1G	Tape & Reel (TR)	Active	8.7 V	±5%	500 mW	8 Ohms	3 µA @ 6.5 V	900 mV @ 10 mA	-55°C ~ 150°C	Surface Mount	SOD-123	SOD-123
BZX84C5V1-TP DIODE ZENER 5.1V 350MW SOT23 Micro Commercial Co	952	$0.28		Tape & Reel (TR)	Active	5.1 V	±5%	350 mW	60 Ohms	2 µA @ 2 V	900 mV @ 10 mA	-55°C ~ 150°C	Surface Mount	TO-236-3, SC-59, SOT-23-3	SOT-23
1SMA5927BT3G DIODE ZENER 12V 1.5W SMA onsemi	2,115	$0.38		Tape & Reel (TR)	Active	12 V	±5%	1.5 W	6.5 Ohms	500 nA @ 9.1 V	1.5 V @ 200 mA	-65°C ~ 150°C	Surface Mount	DO-214AC, SMA	SMA
ZM4733A-GS18 DIODE ZENER 5.1V 1W DO213AB Vishay General Semiconductor - Diodes Division	2,357	$0.41	Automotive, AEC-Q101	Tape & Reel (TR)	Active	5.1 V	±5%	1 W	7 Ohms	10 µA @ 1 V	-	-	Surface Mount	DO-213AB, MELF (Glass)	DO-213AB
BZX84-A5V1,215 DIODE ZENER 5.1V 250MW TO236AB Nexperia USA Inc.	1,375	$0.55	Automotive, AEC-Q101	Tape & Reel (TR)	Active	5.1 V	±1%	250 mW	60 Ohms	2 µA @ 2 V	900 mV @ 10 mA	-65°C ~ 150°C	Surface Mount	TO-236-3, SC-59, SOT-23-3	TO-236AB
BZX84C15LT3G DIODE ZENER 15V 225MW SOT23-3 onsemi	4,071	$0.16		Tape & Reel (TR)	Active	15 V	±6%	225 mW	30 Ohms	50 nA @ 10.5 V	900 mV @ 10 mA	-65°C ~ 150°C (TJ)	Surface Mount	TO-236-3, SC-59, SOT-23-3	SOT-23-3 (TO-236)
BZX79-C5V1,143 DIODE ZENER 5.1V 400MW ALF2 Nexperia USA Inc.	34,851	$0.03		Tape & Box (TB)	Active	5.1 V	±5%	400 mW	60 Ohms	2 µA @ 2 V	900 mV @ 10 mA	-65°C ~ 200°C	Through Hole	DO-204AH, DO-35, Axial	ALF2
BZX79-C5V1,133 DIODE ZENER 5.1V 400MW ALF2 Nexperia USA Inc.	4,517	$0.17		Cut Tape (CT)	Active	5.1 V	±5%	400 mW	60 Ohms	2 µA @ 2 V	900 mV @ 10 mA	-65°C ~ 200°C	Through Hole	DO-204AH, DO-35, Axial	ALF2
BZX79-C5V1,113 DIODE ZENER 5.1V 400MW ALF2 Nexperia USA Inc.	5,508	$0.17		Tape & Reel (TR)	Active	5.1 V	±5%	400 mW	60 Ohms	2 µA @ 2 V	900 mV @ 10 mA	-65°C ~ 200°C	Through Hole	DO-204AH, DO-35, Axial	ALF2
BZX79-C15,143 DIODE ZENER 15V 400MW ALF2 Nexperia USA Inc.	3,192	$0.03		Bulk	Active	15 V	±5%	400 mW	30 Ohms	50 nA @ 10.5 V	900 mV @ 10 mA	-65°C ~ 200°C	Through Hole	DO-204AH, DO-35, Axial	ALF2
BZX79-C15,113 DIODE ZENER 15V 400MW ALF2 Nexperia USA Inc.	4,498	$0.17		Tape & Reel (TR)	Active	15 V	±5%	400 mW	30 Ohms	50 nA @ 10.5 V	900 mV @ 10 mA	-65°C ~ 200°C	Through Hole	DO-204AH, DO-35, Axial	ALF2
BZX79-C15,133 DIODE ZENER 15V 400MW ALF2 Nexperia USA Inc.	4,297	$0.17		Cut Tape (CT)	Active	15 V	±5%	400 mW	30 Ohms	50 nA @ 10.5 V	900 mV @ 10 mA	-65°C ~ 200°C	Through Hole	DO-204AH, DO-35, Axial	ALF2
BZX79-C12,143 DIODE ZENER 12V 400MW ALF2 Nexperia USA Inc.	36,096	$0.03		Tape & Box (TB)	Active	12 V	±5%	400 mW	25 Ohms	100 nA @ 8 V	900 mV @ 10 mA	-65°C ~ 200°C	Through Hole	DO-204AH, DO-35, Axial	ALF2
BZX79-C12,133 DIODE ZENER 12V 400MW ALF2 Nexperia USA Inc.	2,015	$0.17		Cut Tape (CT)	Active	12 V	±5%	400 mW	25 Ohms	100 nA @ 8 V	900 mV @ 10 mA	-65°C ~ 200°C	Through Hole	DO-204AH, DO-35, Axial	ALF2
BZX79-C12,113 DIODE ZENER 12V 400MW ALF2 Nexperia USA Inc.	3,210	$0.17		Tape & Reel (TR)	Active	12 V	±5%	400 mW	25 Ohms	100 nA @ 8 V	900 mV @ 10 mA	-65°C ~ 200°C	Through Hole	DO-204AH, DO-35, Axial	ALF2
BZX79-C4V7,143 DIODE ZENER 4.7V 400MW ALF2 Nexperia USA Inc.	1,658	$0.17		Cut Tape (CT)	Active	4.7 V	±5%	400 mW	80 Ohms	3 µA @ 2 V	900 mV @ 10 mA	-65°C ~ 200°C	Through Hole	DO-204AH, DO-35, Axial	ALF2
BZX79-C4V7,133 DIODE ZENER 4.7V 400MW ALF2 Nexperia USA Inc.	2,594	$0.17		Cut Tape (CT)	Active	4.7 V	±5%	400 mW	80 Ohms	3 µA @ 2 V	900 mV @ 10 mA	-65°C ~ 200°C	Through Hole	DO-204AH, DO-35, Axial	ALF2

About Single Zener Diode

What are Single Zener Diode?

Single Zener Diode

Single Zener diodes are a type of semiconductor device that allows current to flow in the forward direction like a regular diode but also permits current to flow in the reverse direction when the voltage exceeds a certain value known as the Zener breakdown voltage. This unique characteristic makes them ideal for voltage regulation applications. By maintaining a constant output voltage despite variations in the input voltage or load conditions, Zener diodes are crucial in protecting sensitive electronic components from voltage spikes and ensuring stable operation of electronic circuits.

Types of Single Zener Diode

Standard Zener Diodes

These are the most common type of Zener diodes, used primarily for voltage regulation in low-power applications. They are available in a wide range of breakdown voltages and power ratings, making them versatile for various electronic circuits.

Surface-Mount Zener Diodes

Designed for compact and high-density circuit boards, surface-mount Zener diodes are smaller in size and can be easily integrated into modern electronic devices. They are ideal for applications where space is a constraint.

Precision Zener Diodes

These diodes offer tighter voltage tolerances and are used in applications requiring precise voltage regulation. They are often employed in precision instrumentation and measurement systems.

High-Power Zener Diodes

Used in applications that require handling higher power levels, these diodes are designed to dissipate more heat and are often used in power supply circuits and industrial equipment.

How to choose Single Zener Diode?

When selecting a single Zener diode, consider the following key parameters:

Zener Voltage (Vz): Choose a diode with a Zener voltage that matches the desired voltage regulation level.
Power Dissipation (Pz): Ensure the diode can handle the power requirements of your application without overheating.
Package Type: Consider the physical size and mounting requirements, especially for surface-mount applications.
Temperature Coefficient: Evaluate the diode's performance over the expected temperature range to ensure stability.
Supplier Reliability: Research supplier reputation, product reviews, and quality certifications to ensure product reliability.

Environmental factors such as humidity, temperature, and exposure to corrosive elements should also be considered during installation to ensure long-term reliability and performance.

Applications of Single Zener Diode

Consumer Electronics

In consumer electronics, Zener diodes are used for voltage regulation in devices such as televisions, radios, and mobile phones, ensuring consistent performance and protecting components from voltage fluctuations.

Automotive Industry

Zener diodes are employed in automotive circuits to stabilize voltage levels in various electronic control units (ECUs), enhancing the reliability and safety of vehicle electronic systems.

Telecommunications

In telecommunications, Zener diodes are used to protect sensitive communication equipment from voltage spikes and surges, ensuring uninterrupted service and data integrity.

Industrial Equipment

Industrial applications utilize high-power Zener diodes for voltage regulation in power supplies and motor control circuits, contributing to efficient and stable operation of machinery.

Medical Devices

In medical devices, precision Zener diodes are critical for maintaining accurate voltage levels in diagnostic and monitoring equipment, ensuring reliable and precise operation.