BZX79-B6V2,113 Equivalent & Substitute Parts

Part Overview

The BZX79-B6V2,113 is a through-hole zener diode manufactured by Nexperia USA Inc., rated at 6.2 V nominal zener voltage with 400 mW maximum power dissipation. This component is classified as Active product status and is ROHS3 compliant. Equivalent and substitute parts are identified when design requirements necessitate alternative sourcing, inventory management, or component availability across different manufacturing batches and packaging variants.

Key Parameters

Parameter	Value
Voltage - Zener (Nom)	6.2 V
Tolerance	±2%
Power - Max	400 mW
Impedance (Max)	10 Ohms
Current - Reverse Leakage @ Vr	3 µA @ 4 V
Voltage - Forward (Vf) (Max) @ If	900 mV @ 10 mA
Operating Temperature Range	-65°C ~ 200°C
Mounting Type	Through Hole
Package / Case	DO-204AH, DO-35, Axial
RoHS Status	ROHS3 Compliant

Substitute Part Grouping Explanation

Substitute parts for the BZX79-B6V2,113 are classified into two categories based on parametric equivalence:

Parametric Equivalents maintain identical or functionally equivalent electrical specifications across all critical parameters: nominal zener voltage (6.2 V), tolerance (±2%), maximum power rating (400 mW), impedance (10 Ohms maximum), reverse leakage current (3 µA @ 4 V), forward voltage (900 mV @ 10 mA), operating temperature range (-65°C ~ 200°C), and through-hole axial package configuration. These parts are direct functional replacements with no performance degradation.

Similar Substitutes share the same nominal zener voltage (6.2 V) and through-hole mounting type but differ in one or more secondary parameters including power rating, tolerance, reverse leakage specifications, or operating temperature range. These parts are suitable for applications where the specified parameter differences do not impact circuit performance.

Parameter Comparison

Parameter	BZX79-B6V2,113	BZX79-B6V2,133	BZX79-B6V2,143	1N4691
Manufacturer	Nexperia USA Inc.	Nexperia USA Inc.	Nexperia USA Inc.	Microchip Technology
Voltage - Zener (Nom)	6.2 V	6.2 V	6.2 V	6.2 V
Tolerance	±2%	±2%	±2%	±5%
Power - Max	400 mW	400 mW	400 mW	500 mW
Impedance (Max)	10 Ohms	10 Ohms	10 Ohms	Not specified
Current - Reverse Leakage @ Vr	3 µA @ 4 V	3 µA @ 4 V	3 µA @ 4 V	10 µA @ 5 V
Voltage - Forward (Vf) (Max) @ If	900 mV @ 10 mA	900 mV @ 10 mA	900 mV @ 10 mA	1.1 V @ 200 mA
Operating Temperature Range	-65°C ~ 200°C	-65°C ~ 200°C	-65°C ~ 200°C	-65°C ~ 175°C
Mounting Type	Through Hole	Through Hole	Through Hole	Through Hole
Package / Case	DO-204AH, DO-35, Axial	DO-204AH, DO-35, Axial	DO-204AH, DO-35, Axial	DO-204AH, DO-35, Axial
RoHS Status	ROHS3 Compliant	ROHS3 Compliant	ROHS3 Compliant	RoHS non-compliant

Engineering Selection Recommendations

BZX79-B6V2,133 and BZX79-B6V2,143 are parametric equivalents to the BZX79-B6V2,113. Both parts are manufactured by Nexperia USA Inc., maintain ROHS3 compliance, and provide identical electrical performance across all specified parameters. Selection between these three parts is determined by inventory availability and packaging batch requirements rather than functional performance.

1N4691 is classified as a similar substitute manufactured by Microchip Technology. This part shares the 6.2 V nominal zener voltage and through-hole axial package configuration. However, the 1N4691 exhibits the following parameter differences: tolerance of ±5% (versus ±2%), maximum power rating of 500 mW (versus 400 mW), reverse leakage current of 10 µA @ 5 V (versus 3 µA @ 4 V), forward voltage of 1.1 V @ 200 mA (versus 900 mV @ 10 mA), maximum operating temperature of 175°C (versus 200°C), and RoHS non-compliance status. The 1N4691 is suitable for applications where the specified parameter variations do not create functional constraints.

Frequently Asked Questions (FAQ)

Q: Can BZX79-B6V2,133 and BZX79-B6V2,143 be used interchangeably with BZX79-B6V2,113?

A: Yes. BZX79-B6V2,133 and BZX79-B6V2,143 are parametric equivalents with identical electrical specifications, operating temperature range, and package configuration. These parts are direct functional replacements.

Q: What are the key differences between the Nexperia BZX79-B6V2 series and the Microchip 1N4691?

A: The primary differences are tolerance (±2% versus ±5%), maximum power dissipation (400 mW versus 500 mW), reverse leakage current (3 µA @ 4 V versus 10 µA @ 5 V), forward voltage characteristics (900 mV @ 10 mA versus 1.1 V @ 200 mA), maximum operating temperature (200°C versus 175°C), and RoHS compliance status (ROHS3 compliant versus non-compliant).

Q: Is the 1N4691 suitable for high-temperature applications?

A: The 1N4691 operates to a maximum temperature of 175°C, which is 25°C lower than the BZX79-B6V2,113 specification of 200°C. Applications requiring operation above 175°C require the Nexperia BZX79-B6V2 series.

Q: Are all substitute parts available in the same package configuration?

A: Yes. All listed substitute parts are available in DO-204AH, DO-35, and axial package configurations suitable for through-hole mounting.

Q: Does RoHS compliance status affect part selection?

A: RoHS compliance is a regulatory and procurement requirement determined by end-product specifications and target markets. The BZX79-B6V2,113, BZX79-B6V2,133, and BZX79-B6V2,143 are ROHS3 compliant. The 1N4691 is RoHS non-compliant and must be evaluated against specific regulatory requirements before selection.

Q: What is the significance of the ±2% tolerance specification?

A: The ±2% tolerance on the BZX79-B6V2 series indicates tighter zener voltage regulation compared to the 1N4691 (±5% tolerance). Applications requiring precise voltage regulation benefit from the tighter tolerance specification.

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