MAX253EPA+ Equivalent & Substitute Parts

Part Overview

The MAX253EPA+ is a transformer driver PMIC manufactured by Analog Devices Inc./Maxim Integrated, designed for RS485 applications. This 8-DIP through-hole component operates as a power management integrated circuit with dual supply voltage support (3.3V and 5V). The part maintains active product status with full RoHS3 compliance and unlimited moisture sensitivity rating, making it suitable for industrial and commercial transformer driver applications. Identifying equivalent substitute parts ensures design flexibility, supply chain continuity, and procurement optimization when the primary part becomes unavailable or when alternative sourcing is required.

Substiute Parts

MAX253EPA+

Analog Devices Inc./Maxim IntegratedIn Stock: 2219MAX253EPA+ Datasheet

Current PartRFQ

MAX253EPA+

Analog Devices Inc./Maxim IntegratedIn Stock: 2219MAX253EPA+ Datasheet

DirectRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitution eligibility for the MAX253EPA+ is determined by strict adherence to the following critical parameters:

Primary Substitution Criteria:

• Package type: 8-DIP (0.300", 7.62mm) through-hole configuration
• Supply voltage compatibility: 3.3V and 5V dual-supply operation
• Supply current specification: 450µA maximum
• Operating temperature range: -40°C to 85°C minimum
• Functional classification: Transformer driver for RS485 applications
• Compliance requirements: RoHS3 compliance and MSL Level 1 rating

Parts meeting all these parameters are classified as direct equivalents. The MAX253EPA+ serves as both the primary reference part and its own direct substitute, as no alternative manufacturer part numbers have been provided in the substitute list that differ from the main part specification.

Parameter Comparison

Engineering Selection Recommendations

The MAX253EPA+ maintains active product status with confirmed inventory availability (2200 pieces in stock). Selection of this component is supported by:

• Full RoHS3 compliance for regulatory adherence in restricted substance applications
• REACH unaffected status, eliminating substance of concern restrictions
• MSL Level 1 rating providing unlimited shelf life without moisture bake-out requirements
• Active manufacturing status ensuring continued availability and technical support from Analog Devices Inc./Maxim Integrated
• Through-hole 8-DIP package enabling direct PCB integration without specialized assembly equipment

For applications requiring transformer driver functionality in RS485 systems with 3.3V or 5V supply rails and -40°C to 85°C operating conditions, the MAX253EPA+ meets all specified electrical and mechanical requirements.

Frequently Asked Questions (FAQ)

Q: What defines a valid substitute for the MAX253EPA+? A: A valid substitute must maintain identical package configuration (8-DIP, 0.300" pitch), support both 3.3V and 5V supply voltages, deliver 450µA supply current capability, operate across the -40°C to 85°C temperature range, and maintain RoHS3 compliance with MSL Level 1 rating.

Q: Can the MAX253EPA+ be replaced with a surface-mount alternative? A: No. The MAX253EPA+ is specified as a through-hole 8-DIP component. Surface-mount packages do not meet the mechanical substitution criteria and would require PCB redesign.

Q: Is the MAX253EPA+ suitable for applications requiring extended temperature ranges beyond -40°C to 85°C? A: The MAX253EPA+ is rated for -40°C to 85°C operation. Applications requiring extended temperature ranges must evaluate alternative parts with appropriate temperature specifications.

Q: What is the significance of MSL Level 1 rating for the MAX253EPA+? A: MSL Level 1 indicates unlimited shelf life without moisture sensitivity constraints. The component does not require moisture bake-out procedures prior to soldering, simplifying inventory management and assembly processes.

Q: Are there packaging format options for the MAX253EPA+? A: The MAX253EPA+ is supplied in tube packaging. This is the standard distribution format for this part number and does not affect functional or electrical characteristics.