BZX84C39-7-G Equivalent & Substitute Parts

Part Overview

The BZX84C39-7-G is a Zener diode manufactured by Diodes Incorporated, classified as a surface mount component in the SOT-23-3 package family. This part is designated as Obsolete, necessitating identification of active equivalent components for ongoing design and procurement requirements. The substitute part maintains identical electrical specifications and mechanical compatibility while offering active product status and improved supply chain availability.

Substiute Parts

BZX84C39-7-G

Diodes IncorporatedIn Stock: 1058BZX84C39-7-G Datasheet

Current PartRFQ

BZX84C39-7-F

Diodes IncorporatedIn Stock: 47196BZX84C39-7-F Datasheet

DirectRFQ

Key Parameters

Substitute Part Grouping Explanation

The BZX84C39-7-G is substituted by the BZX84C39-7-F based on the following substitution criteria:

Manufacturer Consistency: Both parts are manufactured by Diodes Incorporated, ensuring design validation and quality standards alignment.

Base Product Series: Both components share the BZX84 base product number, indicating they belong to the same Zener diode family with identical electrical characteristics.

Regulatory Compliance: Both parts maintain ROHS3 compliance, REACH Unaffected status, and identical MSL rating of 1 (Unlimited), ensuring compatibility with current manufacturing and environmental standards.

Electrical Specifications: The substitute part maintains the same Zener voltage (39 V nominal), power rating (300 mW), and tolerance (±5%), confirming functional equivalence.

Package Compatibility: Both components utilize the SOT-23-3 package format (also designated TO-236-3 or SC-59), ensuring mechanical and thermal compatibility in existing PCB layouts.

Product Status Transition: The substitute part holds Active product status, providing long-term supply chain viability compared to the Obsolete status of the original part.

Parameter Comparison

Engineering Selection Recommendations

The BZX84C39-7-F is the direct equivalent for the obsolete BZX84C39-7-G. Selection of the substitute part is based on the following engineering factors:

Regulatory Alignment: Both parts maintain identical ROHS3 compliance and REACH Unaffected status, ensuring compatibility with current manufacturing directives and environmental regulations.

Supply Chain Viability: The substitute part holds Active product status with substantial inventory availability (47,100 pieces), compared to the Obsolete status of the original part. This transition ensures long-term procurement reliability and design continuity.

Compliance Consistency: Both components share identical ECCN (EAR99) and HTSUS classifications, maintaining export and tariff compliance without modification to logistics or documentation procedures.

Moisture Handling: Both parts carry MSL rating 1 (Unlimited), indicating no moisture sensitivity constraints during storage, handling, or assembly processes.

The BZX84C39-7-F substitution requires no design modifications, PCB layout changes, or thermal management adjustments, as mechanical and electrical parameters remain equivalent.

Frequently Asked Questions (FAQ)

Q: Can the BZX84C39-7-F directly replace the BZX84C39-7-G in existing designs?

A: Yes. Both components share identical package designation (SOT-23-3), electrical specifications (39 V Zener voltage, 300 mW power rating, ±5% tolerance), and regulatory compliance status. No PCB layout or schematic modifications are required.

Q: What is the primary reason for substitution?

A: The BZX84C39-7-G is designated Obsolete, while the BZX84C39-7-F maintains Active product status. This substitution ensures continued supply chain access and long-term design support.

Q: Are there differences in packaging or tape specifications?

A: The substitute part is supplied in Tape & Reel (TR) format. Verify tape specifications and reel quantities align with assembly equipment and procurement requirements.

Q: Do both parts meet the same environmental and regulatory standards?

A: Yes. Both components are ROHS3 compliant, REACH Unaffected, carry MSL rating 1 (Unlimited), and share identical ECCN and HTSUS classifications.

Q: What is the operating temperature range for the substitute part?

A: The BZX84C39-7-F operates across -65°C to 150°C, providing full coverage for industrial and commercial temperature environments.

Q: Are there any impedance or leakage current differences to consider?

A: The substitute part specifies maximum impedance of 130 Ohms and reverse leakage current of 100 nA @ 27.3 V. These parameters are typical for the BZX84 series and do not introduce compatibility constraints.