What is the main function of this part?

This part is used in electronic circuits for signal control, power management, industrial equipment, consumer electronics, and related applications.

Is the datasheet available for this product?

Yes, you can check the datasheet link on this product page or contact our sales team for technical documents.

Can I request a quotation for bulk quantity?

Yes, you can submit the RFQ form on this page. Our sales team will reply with current stock, price, lead time, and delivery information.

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Name: BZX79-B4V7,143
Brand: Nexperia USA Inc.
SKU: BZX79-B4V7,143
Availability: InStock

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Home > Products > Discrete Semiconductor Products > Diodes > Zener > Single Zener Diodes > BZX79-B4V7,143

Nexperia USA Inc. BZX79-B4V7,143

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Part No.:: BZX79-B4V7,143

Manufacturer:: Nexperia USA Inc.

Category:: Single Zener Diodes

Package:: DO-204AH, DO-35, Axial

Datasheet:: BZX79-B4V7,143.pdf

Description:: DIODE ZENER 4.7V 400MW ALF2

Quantity:: Add To Cart Add To RFQ list

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BZX79-B4V7,143 Information

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Product attributes: Attribute value

Manufacturer:: Nexperia USA Inc.

Series:: -

Package/Case:: DO-204AH, DO-35, Axial

Packaging:: Cut Tape (CT)

Product Status:: Active

Voltage - Zener (Nom) (Vz):: 4.7 V

Tolerance:: ±2%

Power - Max:: 400 mW

Impedance (Max) (Zzt):: 80 Ohms

Current - Reverse Leakage @ Vr:: 3 µA @ 2 V

Voltage - Forward (Vf) (Max) @ If:: 900 mV @ 10 mA

Operating Temperature:: -65°C ~ 200°C

Grade:: -

Qualification:: -

Mounting Type:: Through Hole

Supplier Device Package:: ALF2

Datasheet:: BZX79-B4V7,143.pdf

BZX79-B4V7,143 – Nexperia 4.7V Zener Diode (DO-35)

Quick Answer The BZX79-B4V7,143 is a precision 4.7V Zener diode from Nexperia in the popular DO-35 axial leaded package. With 500mW power dissipation and tight ±2% tolerance, it is widely used for voltage reference, clamping, and overvoltage protection in through-hole PCB designs.

Current Stock at ICMASS: Strong inventory ready for immediate worldwide delivery.

Key Specifications

Parameter	Value	Details
Manufacturer	Nexperia	BZX79 Series
Part Number	BZX79-B4V7,143	DO-35 Axial Package
Zener Voltage (Vz)	4.7V ±2%	@ Iz = 5mA
Power Dissipation	500 mW	@ Tamb = 25°C
Forward Voltage	0.9V (max)	@ If = 10mA
Reverse Leakage Current	2µA (max)	@ VR = 1V
Temperature Coefficient	Low	Good stability
Operating Temperature	-65°C to +200°C	Junction

Why Choose BZX79-B4V7,143?

Tight ±2% voltage tolerance (B suffix)
High 500mW power dissipation in DO-35 package
Excellent long-term stability
Low leakage current
Industry-standard through-hole package
Proven reliability from Nexperia

Typical Applications

Voltage reference circuits
Overvoltage / ESD protection
Biasing networks
Power supply feedback loops
Consumer electronics
Industrial control systems
Test and measurement equipment
General purpose voltage clamping

BZX79-B4V7,143 Alternatives & Cross Reference

Model	Manufacturer	Zener Voltage	Power	Package	Key Advantage	Best For
BZX79-B4V7,143	Nexperia	4.7V	500mW	DO-35	Best stock & precision	Through-hole
BZX84-C4V7	Nexperia	4.7V	300mW	SOT-23	SMD version	Surface mount
1N4732A	Multiple	4.7V	1W	DO-41	Higher power	Higher power
MMSZ4V7T1G	onsemi	4.7V	500mW	SOD-123	SMD alternative	Modern SMD designs
BZT52H-C4V7	Nexperia	4.7V	375mW	SOD-123	Compact SMD	Space constrained

Purchasing Information at ICMASS

Stock Status: Strong inventory available
MOQ: 100 pieces (samples welcome)
Lead Time: 1-3 days for stock orders
Shipping: Fast global delivery via DHL, UPS, FedEx
Quality Guarantee: 100% genuine Nexperia components with full traceability

Get Competitive Quote – Contact us today for bulk pricing and technical support.

Frequently Asked Questions (FAQ)

Q1: What is the Zener voltage of BZX79-B4V7,143? A: 4.7V with tight ±2% tolerance.

Q2: What is the maximum power dissipation? A: 500mW at ambient temperature of 25°C.

Q3: What package does BZX79-B4V7,143 use? A: Standard DO-35 axial leaded through-hole package.

Q4: Is it suitable for voltage reference applications? A: Yes, the tight tolerance and good stability make it excellent for precision voltage references.

Q5: What is the reverse leakage current? A: Very low at maximum 2µA.

Q6: Do you have real stock of BZX79-B4V7,143? A: Yes, we maintain strong inventory for fast global shipping.

Q7: Can it be used for overvoltage protection? A: Yes, commonly used to clamp voltages and protect sensitive components.

Q8: What does the "B" suffix mean? A: It indicates ±2% tolerance (tighter than standard ±5%).

Q9: What is the operating temperature range? A: -65°C to +200°C junction temperature.

Q10: Do you offer volume pricing? A: Yes, competitive tiered pricing for quantities from 1K to 100K+.

Q11: How does it compare to SMD Zener diodes? A: DO-35 is preferred for through-hole boards and offers higher power dissipation.

Q12: Can you provide datasheet or reference circuits? A: Yes, we supply the official Nexperia datasheet and typical application circuits.

Related Products

BZX79 Series (Other voltages)
BZX84-C4V7 (SMD version)
BZT52H Series Zener Diodes
1N4732A (1W version)

Image
Part Number	BZX79-C10,113	BZX79-C12,113	BZX79-C4V7,133	BZX79-C6V2,133	BZX79-C24,133
Manufacturer	Nexperia USA Inc.	Nexperia USA Inc.	Nexperia USA Inc.	Nexperia USA Inc.	Nexperia USA Inc.
Series	-	-	-	-	-
Package/Case	DO-204AH, DO-35, Axial	DO-204AH, DO-35, Axial	DO-204AH, DO-35, Axial	DO-204AH, DO-35, Axial	DO-204AH, DO-35, Axial
Packaging	Tape & Reel (TR)	Tape & Reel (TR)	Cut Tape (CT)	Cut Tape (CT)	Cut Tape (CT)
Product Status	Active	Active	Active	Active	Active
Voltage - Zener (Nom) (Vz)	10 V	12 V	4.7 V	6.2 V	24 V
Tolerance	±5%	±5%	±5%	±5%	±5%
Power - Max	400 mW	400 mW	400 mW	400 mW	400 mW
Impedance (Max) (Zzt)	20 Ohms	25 Ohms	80 Ohms	10 Ohms	70 Ohms
Current - Reverse Leakage @ Vr	200 nA @ 7 V	100 nA @ 8 V	3 µA @ 2 V	3 µA @ 4 V	50 nA @ 16.8 V
Voltage - Forward (Vf) (Max) @ If	900 mV @ 10 mA	900 mV @ 10 mA	900 mV @ 10 mA	900 mV @ 10 mA	900 mV @ 10 mA
Operating Temperature	-65°C ~ 200°C	-65°C ~ 200°C	-65°C ~ 200°C	-65°C ~ 200°C	-65°C ~ 200°C
Grade	-	-	-	-	-
Qualification	-	-	-	-	-
Mounting Type	Through Hole	Through Hole	Through Hole	Through Hole	Through Hole
Supplier Device Package	ALF2	ALF2	ALF2	ALF2	ALF2

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