2SA2127-AEX Equivalent & Substitute Parts

Part Overview

The 2SA2127-AEX is a Bipolar (BJT) Transistor manufactured by onsemi in TO-93 packaging. This component is classified as obsolete, necessitating identification of equivalent substitute parts for ongoing design requirements and production continuity. The obsolete status requires engineers to evaluate functionally compatible alternatives that maintain electrical and mechanical compatibility with existing circuit designs.

Substiute Parts

2SA2127-AEX

onsemiIn Stock: 10092SA2127-AEX Datasheet

Current PartRFQ

2SA2126-H

onsemiIn Stock: 9352SA2126-H Datasheet

SimilarRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitution of the 2SA2127-AEX is based on the following criteria derived from provided parameters:

Primary Substitution Criteria:

• Component category: Bipolar (BJT) Transistor
• Transistor type compatibility
• Manufacturer: onsemi
• Compliance certifications: REACH Unaffected status
• Moisture sensitivity classification

The substitute part 2SA2126-H is identified as an equivalent alternative based on shared manufacturer origin (onsemi), identical component category (Bipolar BJT Transistor), and compatible compliance framework (REACH Unaffected). Both components maintain obsolete product status within the onsemi portfolio.

Parameter Comparison

Engineering Selection Recommendations

Selection of substitute parts for the obsolete 2SA2127-AEX must be based on the following factors:

Compliance Framework: Both the main part and substitute 2SA2126-H maintain REACH Unaffected status, ensuring regulatory compliance for applications subject to REACH requirements. The substitute part carries RoHS3 Compliant certification, providing additional environmental compliance assurance.

Product Status Consideration: Both components are classified as obsolete within the onsemi product line. This shared status indicates that long-term availability of either part cannot be assured. Component selection should account for inventory availability and potential future obsolescence planning.

Manufacturer Continuity: Both parts originate from onsemi, maintaining manufacturer consistency for supply chain management and technical support purposes.

Electrical Specifications: The 2SA2126-H provides defined electrical parameters (PNP type, 3 A maximum collector current, 50 V breakdown voltage, 800 mW power rating, 390 MHz transition frequency) that establish performance boundaries for applications requiring this substitute.

Frequently Asked Questions (FAQ)

Q: Why is the 2SA2127-AEX classified as obsolete?

A: The 2SA2127-AEX carries an obsolete product status designation from onsemi, indicating that this component is no longer in active production. Obsolete classification requires identification of substitute parts for design continuity and production support.

Q: What is the relationship between 2SA2127-AEX and 2SA2126-H?

A: The 2SA2126-H is identified as a substitute part for the 2SA2127-AEX. Both components are onsemi-manufactured Bipolar (BJT) Transistors with REACH Unaffected compliance status. The substitute provides defined electrical specifications suitable for applications requiring PNP transistor functionality.

Q: Are there packaging differences between these parts?

A: The 2SA2127-AEX is specified in TO-93 packaging. The 2SA2126-H is available in TO-251-3 Short Leads, IPak, and TO-251AA packaging configurations. Packaging differences require circuit board layout evaluation to ensure mechanical compatibility.

Q: What electrical parameters should be verified when substituting these parts?

A: Electrical parameters provided for the 2SA2126-H include transistor type (PNP), maximum collector current (3 A), maximum collector-emitter breakdown voltage (50 V), maximum power dissipation (800 mW), and transition frequency (390 MHz). These parameters must be evaluated against original circuit design requirements.

Q: Does the 2SA2126-H meet the same environmental standards as the 2SA2127-AEX?

A: Both parts maintain REACH Unaffected status. The 2SA2126-H additionally carries RoHS3 Compliant certification. The 2SA2127-AEX specifies Moisture Sensitivity Level 1 (Unlimited), while the 2SA2126-H lists MSL as Not Applicable. Environmental compliance requirements should be evaluated based on specific application standards.

Q: What is the current inventory status for these parts?

A: The 2SA2127-AEX has 953 pieces available as new original stock. The 2SA2126-H has 869 pieces available as new original stock in bulk packaging. Inventory availability is subject to change and should be confirmed at time of procurement.