ASPI-0316S-8R2N-T3 Equivalent & Substitute Parts

Part Overview

The ASPI-0316S-8R2N-T3 is an 8.2 µH shielded drum core wirewound inductor manufactured by Abracon LLC, rated for 740 mA continuous current with a maximum DC resistance of 304mOhm. This component is classified as obsolete product status. Due to its obsolete classification, locating equivalent or substitute parts becomes necessary for ongoing production, maintenance, or redesign applications where this inductor specification remains functionally required.

Substiute Parts

ASPI-0316S-8R2N-T3

Abracon LLCIn Stock: 930ASPI-0316S-8R2N-T3 Datasheet

Current PartRFQ

ASPI-4020S-8R2M-T

Abracon LLCIn Stock: 945ASPI-4020S-8R2M-T Datasheet

MFR RecommendedRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitution eligibility for the ASPI-0316S-8R2N-T3 is determined by the following critical parameters:

Primary Matching Criteria:

• Inductance value: 8.2 µH (exact match required)
• Core type: Ferrite drum core, wirewound construction
• Shielding: Shielded configuration
• Mounting: Surface mount technology
• Current handling capability: Minimum 740 mA rating

Secondary Compatibility Factors:

• DC resistance: Lower values improve thermal performance
• Saturation current: Must exceed or equal application peak current requirements
• Operating temperature range: Must encompass application environment
• Compliance certifications: ROHS3 and REACH status for regulatory alignment

The ASPI-4020S-8R2M-T qualifies as a direct substitute based on matching inductance, core material, shielding, and mounting type, while offering improved electrical performance characteristics.

Parameter Comparison

Engineering Selection Recommendations

The ASPI-4020S-8R2M-T is the manufacturer-recommended substitute for the obsolete ASPI-0316S-8R2N-T3. Selection of this substitute is supported by the following engineering factors:

Product Status Alignment: The substitute maintains active product status with Abracon LLC, ensuring continued availability and supply chain stability compared to the obsolete main part.

Electrical Performance Enhancement: The substitute provides superior electrical characteristics including 40% higher current rating (1.04 A vs 740 mA), 59% lower DC resistance (125mOhm vs 304mOhm), and 133% higher saturation current (1.75A vs 750mA). These improvements reduce thermal dissipation and expand operational headroom.

Tolerance Improvement: The substitute offers tighter inductance tolerance (±20% vs ±30%), providing better circuit performance consistency.

Temperature Range Extension: The substitute supports an extended operating temperature range (-40°C ~ 125°C vs -25°C ~ 100°C), accommodating broader environmental conditions.

Regulatory Compliance: Both parts maintain ROHS3 compliance and REACH unaffected status, ensuring regulatory alignment for current manufacturing standards.

Physical Footprint Consideration: The substitute requires a larger PCB footprint (4.00mm x 4.00mm vs 3.20mm x 3.20mm) with increased height (2.00mm vs 1.50mm). PCB layout verification is necessary to confirm accommodation of these dimensional changes.

Frequently Asked Questions (FAQ)

Q: Can the ASPI-4020S-8R2M-T directly replace the ASPI-0316S-8R2N-T3 without circuit modification?

A: The substitute provides functional equivalence for the 8.2 µH inductance requirement with superior electrical performance. However, PCB layout must accommodate the larger physical dimensions (4.00mm x 4.00mm footprint vs 3.20mm x 3.20mm). No circuit topology changes are required if the increased component size can be integrated into the available PCB space.

Q: What are the key differences in electrical performance between these parts?

A: The substitute offers lower DC resistance (125mOhm vs 304mOhm), higher current rating (1.04 A vs 740 mA), improved inductance tolerance (±20% vs ±30%), and higher saturation current (1.75A vs 750mA). These characteristics result in reduced power dissipation and improved circuit stability.

Q: Are both parts compliant with current regulatory requirements?

A: Yes. Both the main part and substitute are ROHS3 compliant and REACH unaffected, meeting current regulatory standards for electronic component manufacturing and use.

Q: What is the primary reason for substitution?

A: The main part (ASPI-0316S-8R2N-T3) is classified as obsolete. The substitute (ASPI-4020S-8R2M-T) maintains active product status with the same manufacturer, ensuring continued component availability and supply chain continuity.

Q: Does the substitute require different PCB assembly handling?

A: Both parts share identical moisture sensitivity level (MSL 1 - Unlimited) and mounting type (surface mount). Standard SMT assembly processes apply to both components. The primary consideration is PCB layout accommodation for the larger substitute footprint.

Q: What is the inductance tolerance difference impact?

A: The substitute provides ±20% tolerance compared to the main part's ±30% tolerance. This tighter tolerance reduces inductance value variation in production, improving circuit performance consistency and reducing design margin requirements.