BZX884S-C24YL Equivalent & Substitute Parts

Part Overview

The BZX884S-C24YL is a Zener diode manufactured by Nexperia USA Inc., rated at 24.2 V nominal with 365 mW maximum power dissipation in a surface mount SOD-882 package. This component is classified as obsolete, indicating discontinuation from active production. Identification of equivalent and substitute parts is necessary to maintain design continuity, ensure supply chain availability, and support ongoing production requirements for applications utilizing this Zener diode specification.

Substiute Parts

BZX884S-C24YL

Nexperia USA Inc.In Stock: 733BZX884S-C24YL Datasheet

Current PartRFQ

BZX884S-C24-QYL

Nexperia USA Inc.In Stock: 10752BZX884S-C24-QYL Datasheet

MFR RecommendedRFQ

BZX884S-C24-QYL

Nexperia USA Inc.In Stock: 10752BZX884S-C24-QYL Datasheet

MFR RecommendedRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitution of the BZX884S-C24YL is determined by electrical and mechanical parameter compatibility within the Zener diode category. The primary substitute identified is the BZX884S-C24-QYL, which maintains identical electrical performance specifications across all critical parameters: maximum power dissipation (365 mW), impedance (70 Ohms maximum), reverse leakage current (50 nA @ 16.8 V), forward voltage (900 mV @ 10 mA maximum), and operating temperature rating (150°C junction temperature).

The key parameters governing substitution are:

• Nominal Zener voltage within acceptable circuit tolerance
• Maximum power dissipation rating
• Package and mounting type (SOD-882, surface mount, DFN1006BD-2)
• Reverse leakage current specification
• Forward voltage characteristic
• Operating temperature range

The BZX884S-C24-QYL differs from the main part in nominal Zener voltage (24 V versus 24.2 V) and voltage tolerance (±2.08% versus ±5.79%), representing tighter tolerance control. The substitute part carries active product status and includes automotive-grade qualification (AEC-Q100), providing enhanced reliability documentation.

Parameter Comparison

Engineering Selection Recommendations

The BZX884S-C24-QYL is the direct substitute for the obsolete BZX884S-C24YL. Selection of this substitute part is supported by the following engineering factors:

Product Status: The substitute part maintains active production status, ensuring long-term availability and supply chain continuity compared to the obsolete main part.

Electrical Compatibility: All critical electrical parameters are identical or superior. The substitute exhibits tighter voltage tolerance (±2.08% versus ±5.79%), which enhances circuit performance predictability without introducing incompatibility.

Compliance and Certification: Both parts maintain ROHS3 compliance and unlimited moisture sensitivity level (MSL 1). The substitute part includes AEC-Q100 automotive qualification, providing additional reliability documentation suitable for automotive and high-reliability applications.

Package and Mounting: Identical SOD-882 package specification (DFN1006BD-2) ensures mechanical and thermal compatibility with existing PCB designs and assembly processes.

Regulatory Status: Both parts carry identical REACH unaffected status and EAR99 ECCN classification, maintaining regulatory compliance across supply chain transitions.

Frequently Asked Questions (FAQ)

Q: Can the BZX884S-C24-QYL directly replace the BZX884S-C24YL in existing designs?

A: Yes. The substitute part maintains identical electrical performance across all critical parameters including power dissipation, impedance, leakage current, forward voltage, and operating temperature. Package and mounting specifications are identical, enabling direct PCB-level substitution.

Q: What is the significance of the voltage tolerance difference (±5.79% versus ±2.08%)?

A: The substitute part exhibits tighter voltage tolerance, meaning the actual Zener voltage will remain closer to the nominal 24 V specification across the production range. This represents an improvement in circuit performance predictability and does not introduce incompatibility with the original design.

Q: Why does the nominal Zener voltage differ (24.2 V versus 24 V)?

A: The main part specifies 24.2 V nominal with ±5.79% tolerance, resulting in an operating range of approximately 22.8 V to 25.6 V. The substitute specifies 24 V nominal with ±2.08% tolerance, resulting in an operating range of approximately 23.5 V to 24.5 V. Both ranges overlap significantly and are functionally equivalent for circuit applications designed around 24 V Zener regulation.

Q: What is the advantage of AEC-Q100 qualification on the substitute part?

A: AEC-Q100 qualification indicates the part has undergone automotive-grade reliability testing and qualification. This certification provides enhanced documentation of component reliability and is required for automotive and high-reliability applications. It does not affect compatibility with non-automotive applications.

Q: Are there any packaging or inventory considerations?

A: The main part (BZX884S-C24YL) is obsolete with 661 pieces in stock. The substitute part (BZX884S-C24-QYL) is active with 10,653 pieces in stock and is supplied in Tape & Reel (TR) packaging, ensuring availability for ongoing production requirements.

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

A: Yes. Both parts are ROHS3 compliant, REACH unaffected, carry MSL 1 (unlimited moisture sensitivity), and share identical ECCN (EAR99) and HTSUS (8541.10.0050) classifications.