MAX9003ESA Equivalent & Substitute Parts

Part Overview

The MAX9003ESA is a linear amplifier, comparator, and reference IC designed for smart card applications, manufactured by Analog Devices Inc./Maxim Integrated. This component integrates multiple functional blocks in a compact 8-SOIC surface mount package. The MAX9003ESA is classified as obsolete, which necessitates identification of active equivalent parts to ensure continued design support and procurement availability. The substitute part maintains identical electrical specifications and mechanical compatibility while offering active product status and improved supply chain availability.

Substiute Parts

MAX9003ESA

Analog Devices Inc./Maxim IntegratedIn Stock: 1185MAX9003ESA Datasheet

Current PartRFQ

MAX9003ESA+

Analog Devices Inc./Maxim IntegratedIn Stock: 2365MAX9003ESA+ Datasheet

DirectRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitution eligibility for the MAX9003ESA is determined by strict alignment of the following parameters:

Critical Substitution Criteria:

• Identical base product number (MAX9003)
• Identical package type and dimensions (8-SOIC, 0.154" width, 3.90mm)
• Identical mounting technology (Surface Mount)
• Identical functional classification (Amplifier, Comparator, Reference)
• Identical application domain (Smart Card)
• Matching or superior compliance certifications (RoHS3, REACH)
• Equivalent or superior moisture sensitivity rating (MSL 1)

The MAX9003ESA+ qualifies as a direct substitute based on complete alignment across all electrical, mechanical, and compliance parameters. The primary distinction is product status transition from obsolete to active, with packaging format variation (tube packaging for the substitute).

Parameter Comparison

Engineering Selection Recommendations

For MAX9003ESA Replacement:

The MAX9003ESA+ is the direct equivalent part for applications currently using the MAX9003ESA. Selection of the MAX9003ESA+ is based on the following engineering factors:

1. Product Status: The MAX9003ESA+ maintains active product status with Analog Devices Inc./Maxim Integrated, ensuring continued manufacturing support and supply chain stability. The original MAX9003ESA is classified as obsolete, limiting future procurement options.

2. Compliance Alignment: Both parts maintain identical ROHS3 compliance and REACH unaffected status, satisfying regulatory requirements for new designs and production runs.

3. Electrical and Mechanical Compatibility: The MAX9003ESA+ preserves all electrical specifications and mechanical dimensions of the original part, enabling direct substitution without circuit redesign or PCB layout modification.

4. Packaging Consideration: The MAX9003ESA+ is supplied in tube packaging, which is standard for active production parts. Original packaging format for the MAX9003ESA was not specified in available documentation.

5. Moisture Sensitivity: Both parts carry MSL 1 rating, indicating unlimited shelf life and no special moisture control requirements during storage or handling.

Frequently Asked Questions (FAQ)

Q: Can the MAX9003ESA+ be used as a direct replacement for the MAX9003ESA in existing designs?

A: Yes. The MAX9003ESA+ is electrically and mechanically identical to the MAX9003ESA. Both parts share the same base product number (MAX9003), package type (8-SOIC), mounting technology (Surface Mount), and functional specifications. No circuit modifications or PCB redesign is required.

Q: What is the primary reason for substituting the MAX9003ESA?

A: The MAX9003ESA is classified as obsolete. The MAX9003ESA+ is the active equivalent part, ensuring continued availability and manufacturing support from Analog Devices Inc./Maxim Integrated.

Q: Are there any compliance differences between the two parts?

A: No. Both the MAX9003ESA and MAX9003ESA+ maintain identical ROHS3 compliance and REACH unaffected status. Regulatory requirements are satisfied by either part.

Q: What is the difference in packaging between these parts?

A: The MAX9003ESA+ is supplied in tube packaging, which is standard for active production components. The original packaging format for the MAX9003ESA was not specified in available technical documentation.

Q: Is the moisture sensitivity rating the same for both parts?

A: Yes. Both parts carry MSL 1 (Unlimited) rating, indicating no special moisture control requirements during storage, handling, or transportation.

Q: Can I use the MAX9003ESA+ in new smart card application designs?

A: Yes. The MAX9003ESA+ is classified as active and is suitable for new designs. It maintains all functional specifications required for smart card applications, including amplifier, comparator, and reference functions.

Q: Are there any inventory or lead time considerations?

A: The MAX9003ESA+ has higher inventory availability (2300 pcs) compared to the MAX9003ESA (1095 pcs), providing improved procurement reliability for production requirements.