AOZ8000CI_2 Equivalent & Substitute Parts

Part Overview

The AOZ8000CI_2 is a Transient Voltage Suppressor (TVS) diode manufactured by Alpha & Omega Semiconductor Inc., designed for multi-channel steering protection in high-speed data interfaces. This component features a 5.5V reverse standoff voltage with 15V clamping capability and 12A peak pulse current handling, making it suitable for DVI, Ethernet, and USB applications. The part is classified as obsolete, necessitating identification of active equivalent components to maintain design continuity and ensure long-term supply chain reliability.

Substiute Parts

AOZ8000CI_2

Alpha & Omega Semiconductor Inc.In Stock: 807AOZ8000CI_2 Datasheet

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AOZ8904CIL

Alpha & Omega Semiconductor Inc.In Stock: 20497AOZ8904CIL Datasheet

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Key Parameters

Substitute Part Grouping Explanation

Substitution of the AOZ8000CI_2 is determined by strict equivalence across the following critical parameters:

Package Compatibility: Both the main part and substitute must use SOT-23-6 surface mount packaging to ensure mechanical and electrical compatibility with existing PCB layouts.

Channel Configuration: The substitute must maintain 4 unidirectional channels with steering (rail to rail) topology to preserve the multi-line protection architecture.

Voltage Specifications: The reverse standoff voltage (5.5V Max) and breakdown voltage (6.6V Min) must remain identical to ensure proper circuit protection thresholds.

Thermal Operating Range: The substitute must support the full operating temperature range of -55°C to 125°C (TJ) to maintain performance across all environmental conditions.

Power Line Protection Capability: The substitute must retain power line protection functionality for the intended applications.

The AOZ8904CIL qualifies as a substitute based on these parameters. While the clamping voltage (18V Typ vs. 15V) and peak pulse current (4A vs. 12A) differ, these variations reflect design trade-offs in the active product line and do not violate the core substitution criteria established by the matching parameters above.

Parameter Comparison

Engineering Selection Recommendations

Product Status Consideration: The AOZ8000CI_2 is classified as obsolete, while the AOZ8904CIL maintains active product status with Alpha & Omega Semiconductor Inc. Active status ensures continued manufacturing support, availability, and compliance with current regulatory standards.

Regulatory Compliance: Both components share identical REACH and ECCN classifications (REACH Unaffected, EAR99), confirming equivalent regulatory standing. The AOZ8904CIL additionally carries RoHS3 compliance certification, providing enhanced environmental compliance documentation.

Moisture Sensitivity: Both parts maintain MSL 1 (Unlimited) rating, indicating no moisture sensitivity constraints during storage or handling.

Supply Chain Availability: The AOZ8904CIL demonstrates significantly higher inventory availability (20,400 pcs) compared to the obsolete AOZ8000CI_2 (726 pcs), supporting long-term design continuity and procurement reliability.

Temperature Range Variance: The AOZ8904CIL operates within -40°C to 125°C (TJ), which is narrower than the AOZ8000CI_2 range of -55°C to 125°C (TJ). Applications requiring operation below -40°C must evaluate this limitation against specific environmental requirements.

Frequently Asked Questions (FAQ)

Q: Can the AOZ8904CIL directly replace the AOZ8000CI_2 in existing designs?

A: The AOZ8904CIL maintains identical package (SOT-23-6), channel configuration (4 unidirectional), voltage thresholds (5.5V standoff, 6.6V breakdown), and steering topology. Direct PCB-level substitution is mechanically and electrically compatible. However, the higher clamping voltage (18V vs. 15V) and lower peak pulse current (4A vs. 12A) must be evaluated against circuit protection requirements.

Q: What are the key differences between these two parts?

A: The primary differences are clamping voltage specification (15V vs. 18V Typ), peak pulse current rating (12A vs. 4A), power dissipation (60W vs. 50W), capacitance (1.85pF vs. 1.25pF), and operating temperature minimum (-55°C vs. -40°C). The AOZ8904CIL is an active product with RoHS3 compliance, while the AOZ8000CI_2 is obsolete.

Q: Does the lower peak pulse current of the AOZ8904CIL affect circuit protection?

A: The peak pulse current rating reflects the component's ability to handle transient surge events. The AOZ8904CIL's 4A rating (8/20µs) differs from the AOZ8000CI_2's 12A rating (10/1000µs) due to different pulse waveform specifications. Circuit protection effectiveness depends on the actual transient characteristics present in the application. Applications with high-current transient events must confirm the AOZ8904CIL's capability against specific surge profiles.

Q: Is the narrower operating temperature range of the AOZ8904CIL a limitation?

A: The AOZ8904CIL operates from -40°C to 125°C (TJ), compared to the AOZ8000CI_2's -55°C to 125°C (TJ). Applications requiring operation below -40°C ambient temperature must confirm that the AOZ8904CIL's lower temperature limit is acceptable for the intended environment.

Q: Are there packaging differences between these parts?

A: Both components use SOT-23-6 surface mount packaging. The AOZ8000CI_2 is supplied in standard packaging, while the AOZ8904CIL is available in Tape & Reel (TR) format, which is standard for high-volume manufacturing and automated assembly processes.

Q: What compliance certifications apply to the AOZ8904CIL?

A: The AOZ8904CIL carries RoHS3 compliance certification in addition to REACH Unaffected and EAR99 classifications shared with the AOZ8000CI_2. Both components maintain MSL 1 (Unlimited) moisture sensitivity rating.