BZX79-B3V6,113 Equivalent & Substitute Parts

Part Overview

The BZX79-B3V6,113 is a Zener diode manufactured by Nexperia USA Inc., rated at 3.6 V nominal with 400 mW maximum power dissipation. This through-hole component operates across a temperature range of -65°C to 200°C and is designed for voltage regulation and protection applications in electronic circuits. The part is currently in active production status with ROHS3 compliance and unlimited moisture sensitivity rating (MSL 1). Substitute parts are identified when identical electrical specifications and mechanical compatibility are maintained across alternative part numbers or packaging configurations from the same or equivalent manufacturers.

Key Parameters

Parameter	Value	Unit
Voltage - Zener (Nom)	3.6	V
Tolerance	±2%	—
Power - Max	400	mW
Impedance (Max)	90	Ohms
Current - Reverse Leakage @ Vr	5	µA @ 1 V
Voltage - Forward (Vf) (Max) @ If	900	mV @ 10 mA
Operating Temperature Range	-65 to 200	°C
Mounting Type	Through Hole	—
Package / Case	DO-204AH, DO-35, Axial	—
Supplier Device Package	ALF2	—
RoHS Status	ROHS3 Compliant	—
Moisture Sensitivity Level	1 (Unlimited)	—

Substitute Part Grouping Explanation

Substitute parts for the BZX79-B3V6,113 are identified based on strict electrical and mechanical parameter matching. The following criteria determine substitution eligibility:

Critical Matching Parameters:

Zener voltage (Nom): 3.6 V
Power rating: 400 mW
Tolerance: ±2%
Impedance (Max): 90 Ohms
Reverse leakage current: 5 µA @ 1 V
Forward voltage: 900 mV @ 10 mA
Operating temperature range: -65°C to 200°C
Mounting type: Through Hole
Package type: DO-204AH, DO-35, Axial (ALF2)
Compliance: ROHS3, MSL 1

All substitute parts listed maintain identical electrical performance specifications and mechanical compatibility with the primary part number. Variations in packaging format (Cut Tape versus Bulk) do not affect functional equivalence.

Parameter Comparison

Parameter	BZX79-B3V6,113	BZX79-B3V6,133	BZX79-B3V6,143
Manufacturer	Nexperia USA Inc.	Nexperia USA Inc.	NXP USA Inc.
Category	Diodes, Zener	Diodes, Zener	Diodes, Zener
Voltage - Zener (Nom)	3.6 V	3.6 V	3.6 V
Tolerance	±2%	±2%	±2%
Power - Max	400 mW	400 mW	400 mW
Impedance (Max)	90 Ohms	90 Ohms	90 Ohms
Current - Reverse Leakage @ Vr	5 µA @ 1 V	5 µA @ 1 V	5 µA @ 1 V
Voltage - Forward (Vf) (Max) @ If	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
Mounting Type	Through Hole	Through Hole	Through Hole
Package / Case	DO-204AH, DO-35, Axial	DO-204AH, DO-35, Axial	DO-204AH, DO-35, Axial
Supplier Device Package	ALF2	ALF2	ALF2
Product Status	Active	Active	Active
RoHS Status	ROHS3 Compliant	ROHS3 Compliant	ROHS3 Compliant
Moisture Sensitivity Level	1 (Unlimited)	1 (Unlimited)	Not specified
Packaging Format	Cut Tape (CT)	Cut Tape (CT)	Bulk

Engineering Selection Recommendations

All three part numbers—BZX79-B3V6,113, BZX79-B3V6,133, and BZX79-B3V6,143—are functionally equivalent Zener diodes with identical electrical specifications and mechanical compatibility. Selection between these parts is determined by availability, packaging requirements, and supply chain considerations rather than technical performance differences.

BZX79-B3V6,113 and BZX79-B3V6,133 are both supplied by Nexperia USA Inc. in Cut Tape packaging format. Both maintain active product status and full ROHS3 compliance with MSL 1 rating.

BZX79-B3V6,143 is supplied by NXP USA Inc. in Bulk packaging format. This part maintains active product status and ROHS3 compliance. The bulk packaging format accommodates high-volume manufacturing requirements where tape-and-reel or cut tape formats are not necessary.

All three parts are suitable for direct substitution in applications requiring a 3.6 V, 400 mW Zener diode with ±2% tolerance and through-hole mounting in DO-35 or DO-204AH packages. Selection should be based on inventory availability, packaging format compatibility with assembly processes, and supplier preference.

Frequently Asked Questions (FAQ)

Q: Can BZX79-B3V6,133 be used as a direct replacement for BZX79-B3V6,113?

A: Yes. Both parts are manufactured by Nexperia USA Inc. and share identical electrical specifications, including 3.6 V nominal Zener voltage, 400 mW power rating, ±2% tolerance, and through-hole DO-35/DO-204AH packaging. The only difference is the packaging format (both are Cut Tape), which does not affect functional compatibility.

Q: What is the difference between BZX79-B3V6,143 and the other two part numbers?

A: BZX79-B3V6,143 is manufactured by NXP USA Inc. and supplied in Bulk packaging rather than Cut Tape. All electrical specifications remain identical: 3.6 V, 400 mW, ±2% tolerance, and through-hole mounting. The bulk packaging format is suitable for high-volume applications where tape-and-reel handling is not required.

Q: Are there any compliance or regulatory differences between these three parts?

A: All three parts are ROHS3 compliant and carry EAR99 ECCN classification. BZX79-B3V6,113 and BZX79-B3V6,133 both specify MSL 1 (Unlimited) moisture sensitivity. BZX79-B3V6,143 does not specify MSL in the provided data but maintains equivalent compliance status.

Q: Can these parts be used interchangeably in circuit designs?

A: Yes. The three part numbers are electrically and mechanically interchangeable. Circuit designs utilizing any one of these part numbers will function identically with any of the others, provided the through-hole DO-35 or DO-204AH package format is compatible with the PCB layout.

Q: What factors should determine which part number to select?

A: Selection should be based on: (1) current inventory availability, (2) packaging format compatibility with assembly equipment (Cut Tape versus Bulk), (3) supplier lead times, and (4) organizational procurement preferences. No technical performance advantage exists between the three options.

Q: Are there any temperature or power rating limitations that differ between these parts?

A: No. All three parts operate across the identical temperature range of -65°C to 200°C and are rated for 400 mW maximum power dissipation. Impedance, reverse leakage current, and forward voltage specifications are identical across all three part numbers.

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