BZX84W-B10F Equivalent & Substitute Parts

Part Overview

The BZX84W-B10F is an active Zener diode manufactured by Nexperia USA Inc., designed for surface mount applications in the SOT-323 package. This component functions as a voltage regulation and protection element in electronic circuits, providing stable 10 V reference voltage with 275 mW power dissipation capability. The part is ROHS3 compliant and carries unlimited moisture sensitivity classification, making it suitable for standard manufacturing environments. Substitute parts are identified when equivalent electrical and mechanical parameters are required due to inventory constraints, supply chain considerations, or design flexibility needs.

Substiute Parts

BZX84W-B10F

Nexperia USA Inc.In Stock: 10760BZX84W-B10F Datasheet

Current PartRFQ

BZX84W-B10X

Nexperia USA Inc.In Stock: 842BZX84W-B10X Datasheet

Parametric EquivalentRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitution of the BZX84W-B10F is determined by strict equivalence across all critical electrical and mechanical parameters. The substitute part BZX84W-B10X is classified as a parametric equivalent based on the following criteria:

Key Parameters for Substitution:

• Zener voltage (Vz): 10 V nominal
• Tolerance: ±2%
• Maximum power dissipation: 275 mW
• Maximum impedance (Zzt): 20 Ohms
• Reverse leakage current @ 7 V: 200 nA
• Forward voltage (Vf) @ 10 mA: 900 mV maximum
• Junction operating temperature: 150°C
• Package designation: SOT-323 (SC-70)
• Mounting configuration: Surface Mount

Both parts belong to the BZX84W series and share identical electrical specifications and physical packaging, enabling direct substitution in circuit applications.

Parameter Comparison

Engineering Selection Recommendations

The BZX84W-B10X serves as a direct parametric equivalent to the BZX84W-B10F. Both components are manufactured by Nexperia USA Inc. and maintain active product status. Selection between these parts is based on availability and supply chain requirements rather than electrical or mechanical differentiation.

Both parts satisfy ROHS3 compliance requirements and carry REACH Unaffected status, confirming regulatory alignment for industrial and commercial applications. The identical moisture sensitivity classification (MSL 1, Unlimited) indicates equivalent handling and storage requirements during manufacturing and assembly processes.

The SOT-323 package designation and surface mount configuration are consistent across both parts, ensuring compatibility with existing PCB layouts and automated assembly equipment without design modification.

Frequently Asked Questions (FAQ)

Q: Can BZX84W-B10X replace BZX84W-B10F in existing designs?

A: Yes. The BZX84W-B10X is a parametric equivalent with identical electrical specifications, including 10 V nominal Zener voltage, ±2% tolerance, 275 mW maximum power, and 20 Ohms maximum impedance. Both parts use the SOT-323 package and surface mount configuration, enabling direct substitution without circuit redesign.

Q: Are there differences in package dimensions between these parts?

A: No. Both BZX84W-B10F and BZX84W-B10X use the SC-70 / SOT-323 package designation. Physical dimensions and PCB footprints are identical, allowing interchangeable placement on the same circuit board layout.

Q: Do these parts have different compliance certifications?

A: No. Both parts carry ROHS3 compliance and REACH Unaffected status. Moisture sensitivity level is identical at MSL 1 (Unlimited), confirming equivalent environmental and regulatory compliance.

Q: What is the difference between the part number suffixes "F" and "X"?

A: The suffixes indicate different packaging or tape configurations within the same electrical specification. Both parts are supplied in Tape & Reel (TR) format and maintain identical electrical and mechanical parameters. The suffix distinction reflects manufacturing or distribution variations rather than functional differences.

Q: Are forward voltage and reverse leakage characteristics identical?

A: Yes. Both parts specify 900 mV maximum forward voltage at 10 mA and 200 nA reverse leakage current at 7 V. These parameters are critical for voltage regulation and protection circuit design and are fully equivalent between the two parts.

Q: Can these parts be used interchangeably in high-temperature applications?

A: Yes. Both parts support 150°C junction operating temperature, enabling use in thermal environments within this specification. No derating or thermal management differences exist between BZX84W-B10F and BZX84W-B10X.