BZX79-C27,113 Equivalent & Substitute Parts

Part Overview

The BZX79-C27,113 is a through-hole zener diode manufactured by Nexperia USA Inc., rated at 27 V nominal zener voltage with 400 mW maximum power dissipation. This component operates across a temperature range of -65°C to 200°C and is packaged in the DO-204AH (DO-35) axial configuration. The device maintains an active product status and carries ROHS3 compliance certification.

Substitute parts are identified when electrical and mechanical parameters align within the allowed specifications for zener diode applications. Substitution becomes necessary when the primary part number experiences inventory constraints, supply chain disruptions, or when alternative packaging formats are required for manufacturing processes.

Key Parameters

Parameter	Value	Unit
Voltage - Zener (Nominal)	27	V
Tolerance	±5%	—
Power - Maximum	400	mW
Impedance (Maximum)	80	Ohms
Current - Reverse Leakage @ Vr	50	nA @ 18.9 V
Voltage - Forward (Maximum) @ 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	—

Substitute Part Grouping Explanation

Zener diode substitution is determined by equivalence in the following critical parameters:

Electrical Equivalence Criteria:

Zener voltage (Vz): 27 V nominal
Maximum power dissipation: 400 mW
Impedance (Zzt): 80 Ohms maximum
Reverse leakage current: 50 nA @ 18.9 V
Forward voltage: 900 mV maximum @ 10 mA
Operating temperature range: -65°C to 200°C

Mechanical Equivalence Criteria:

Mounting type: Through Hole
Package configuration: DO-204AH, DO-35, Axial
Supplier device package: ALF2

Tolerance Variation: The BZX79-C27,113 operates with ±5% zener voltage tolerance. Substitute parts with tighter tolerance specifications (±2%) remain functionally equivalent and provide enhanced voltage regulation precision. Parts with identical or looser tolerance specifications maintain full compatibility.

Packaging Format: Substitute parts may differ in packaging format (Cut Tape versus Bulk). Both formats contain identical components and are interchangeable for circuit applications; packaging selection depends on manufacturing assembly requirements and inventory management practices.

Parameter Comparison

Parameter	BZX79-C27,113	BZX79-B27,113	BZX79-B27,133	BZX79-C27,133
Manufacturer	Nexperia USA Inc.	Nexperia USA Inc.	NXP USA Inc.	Nexperia USA Inc.
Voltage - Zener (Nom)	27 V	27 V	27 V	27 V
Tolerance	±5%	±2%	±2%	±5%
Power - Max	400 mW	400 mW	400 mW	400 mW
Impedance (Max)	80 Ohms	80 Ohms	80 Ohms	80 Ohms
Current - Reverse Leakage @ Vr	50 nA @ 18.9 V	50 nA @ 18.9 V	50 nA @ 18.9 V	50 nA @ 18.9 V
Voltage - Forward (Max) @ If	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
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
Supplier Device Package	ALF2	ALF2	ALF2	ALF2
Product Status	Active	Active	Active	Active
RoHS Status	ROHS3 Compliant	ROHS3 Compliant	Not specified	ROHS3 Compliant
Packaging Format	Cut Tape (CT)	Cut Tape (CT)	Bulk	Cut Tape (CT)
Inventory Status	10630 Pcs New Original In Stock	9910 Pcs New Original In Stock	38952 Pcs New Original In Stock	10719 Pcs New Original In Stock

Engineering Selection Recommendations

All substitute parts listed maintain full electrical and mechanical compatibility with the BZX79-C27,113 based on provided specifications. Selection among equivalent parts is determined by the following factors:

Tolerance Requirements: The BZX79-B27,113 and BZX79-B27,133 offer ±2% zener voltage tolerance compared to the ±5% tolerance of the primary part. These alternatives provide tighter voltage regulation and are suitable for applications requiring enhanced precision. The BZX79-C27,133 maintains the ±5% tolerance specification of the primary part.

Packaging Format: The BZX79-B27,133 is supplied in Bulk packaging, while BZX79-B27,113 and BZX79-C27,133 are supplied in Cut Tape format. Cut Tape packaging is standard for automated pick-and-place assembly operations. Bulk packaging is suitable for manual assembly or alternative handling processes.

Compliance and Certification: All substitute parts maintain active product status. The BZX79-C27,113, BZX79-B27,113, and BZX79-C27,133 carry explicit ROHS3 compliance certification. The BZX79-B27,133 does not specify RoHS status in the provided data.

Inventory Availability: The BZX79-B27,133 maintains the highest inventory level at 38,952 pieces, providing extended supply assurance. All parts are classified as new original stock.

Frequently Asked Questions (FAQ)

Q: Can the BZX79-B27,113 replace the BZX79-C27,113 in my circuit?

A: Yes. The BZX79-B27,113 is electrically equivalent across all critical parameters: 27 V zener voltage, 400 mW power rating, 80 Ohms impedance, and identical operating temperature range. The ±2% tolerance of the BZX79-B27,113 is tighter than the ±5% tolerance of the BZX79-C27,113, making it a direct substitute with enhanced voltage regulation precision.

Q: What is the difference between Cut Tape and Bulk packaging?

A: Cut Tape packaging supplies components on adhesive tape in individual strips, optimized for automated assembly equipment. Bulk packaging supplies loose components in larger quantities. Both contain identical diodes; packaging selection depends on assembly process requirements and handling procedures.

Q: Are all substitute parts ROHS3 compliant?

A: The BZX79-C27,113, BZX79-B27,113, and BZX79-C27,133 are explicitly ROHS3 compliant. The BZX79-B27,133 does not specify RoHS status in the provided documentation. Verify compliance requirements with your procurement specifications before selection.

Q: Can I use the BZX79-B27,133 in place of the BZX79-C27,113?

A: Yes. The BZX79-B27,133 is electrically equivalent and maintains identical mechanical specifications. The primary difference is Bulk packaging format instead of Cut Tape. Confirm that your assembly process accommodates Bulk packaging before implementation.

Q: What does the tolerance specification mean for zener diodes?

A: Tolerance specifies the allowable deviation of the zener voltage from the nominal 27 V rating. The BZX79-C27,113 with ±5% tolerance operates between 25.65 V and 28.35 V. The BZX79-B27 series with ±2% tolerance operates between 26.46 V and 27.54 V, providing tighter voltage regulation for precision applications.

Q: Are all substitute parts rated for the same temperature range?

A: Yes. All substitute parts operate across the identical temperature range of -65°C to 200°C, ensuring thermal compatibility in all specified operating environments.

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