MAX253EPA Equivalent & Substitute Parts

Part Overview

The MAX253EPA is a Transformer Driver PMIC manufactured by Analog Devices Inc./Maxim Integrated, designed for RS485 applications in 8-DIP through-hole packaging. This component operates at supply voltages of 3.3V and 5V with a supply current of 450µA, suitable for industrial communication and transformer driver applications across the -40°C to 85°C operating temperature range.

The MAX253EPA is classified as obsolete, making identification of compatible substitute parts essential for ongoing system support, maintenance, and new design implementations where legacy component replacement is required.

Substiute Parts

MAX253EPA

Analog Devices Inc./Maxim IntegratedIn Stock: 2029MAX253EPA 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 alignment with the following electrical and mechanical parameters:

• Voltage Supply Range: 3.3V and 5V compatibility
• Supply Current: 450µA specification
• Operating Temperature Range: -40°C to 85°C
• Package Type: 8-DIP (0.300", 7.62mm) through-hole configuration
• Functional Classification: Transformer Driver PMIC for RS485 applications
• Base Product Number: MAX253 series

The MAX253EPA+ qualifies as a direct substitute based on identical electrical specifications, matching package geometry, and compatible thermal operating range. The primary distinction between the main part and substitute relates to product status and regulatory compliance certifications.

Parameter Comparison

Engineering Selection Recommendations

The MAX253EPA+ serves as the primary substitute for the obsolete MAX253EPA. Both components maintain identical electrical and mechanical specifications, ensuring direct functional compatibility in transformer driver and RS485 applications.

The MAX253EPA+ offers the advantage of active product status, indicating ongoing manufacturer support and availability. Additionally, the MAX253EPA+ achieves ROHS3 compliance, whereas the original MAX253EPA is RoHS non-compliant. This distinction is significant for applications subject to environmental regulations or procurement policies requiring RoHS-compliant components.

Selection between these parts should be based on regulatory requirements, supply chain availability, and system compliance mandates. The MAX253EPA+ is the recommended choice for new designs and systems requiring RoHS compliance certification.

Frequently Asked Questions (FAQ)

Q: Can the MAX253EPA+ be used as a direct replacement for the MAX253EPA?

A: Yes. The MAX253EPA+ is electrically and mechanically identical to the MAX253EPA. Both components operate at 3.3V and 5V supply voltages, draw 450µA supply current, and are packaged in 8-DIP (0.300", 7.62mm) through-hole configuration. Pin-for-pin compatibility is maintained across all functional specifications.

Q: What is the primary difference between MAX253EPA and MAX253EPA+?

A: The MAX253EPA+ is an active product with ROHS3 compliance, while the MAX253EPA is obsolete and RoHS non-compliant. Electrical and mechanical specifications are identical.

Q: Are there any package or mounting differences between these parts?

A: No. Both the MAX253EPA and MAX253EPA+ use identical 8-DIP (0.300", 7.62mm) through-hole packaging and mounting configuration. PCB layout and footprint compatibility is maintained.

Q: Which part should be selected for new designs?

A: The MAX253EPA+ is the appropriate choice for new designs. It maintains active product status and meets ROHS3 compliance requirements, ensuring long-term availability and regulatory alignment.

Q: Are the operating temperature ranges identical?

A: Yes. Both components operate across the -40°C to 85°C temperature range, maintaining identical thermal specifications for industrial and commercial applications.