MAX837EUS-T Equivalent & Substitute Parts

Part Overview

The MAX837EUS-T is a supervisor integrated circuit designed for power management applications, specifically functioning as a single-channel reset/power-on reset device with push-pull totem pole output configuration. This component operates across the industrial temperature range of -40°C to 85°C and is housed in a SOT-143-4 surface mount package.

The MAX837EUS-T carries an obsolete product status, making identification of functionally equivalent alternatives essential for ongoing system support, design updates, and procurement planning. Active substitute components with identical electrical and mechanical specifications are available to maintain design continuity.

Substiute Parts

MAX837EUS-T

Analog Devices Inc./Maxim IntegratedIn Stock: 23786MAX837EUS-T Datasheet

Current PartRFQ

MAX837EUS+T

Analog Devices Inc./Maxim IntegratedIn Stock: 17205MAX837EUS+T Datasheet

DirectRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitution of the MAX837EUS-T is determined by strict equivalence across the following critical parameters:

• Functional Type: Single-channel supervisor with simple reset/power-on reset capability
• Output Stage: Push-pull totem pole configuration
• Reset Logic Level: Active low operation
• Voltage Monitoring: Single voltage threshold with adjustable/selectable setting
• Propagation Delay: 80µs typical reset timeout
• Temperature Range: -40°C to 85°C industrial operating window
• Package Format: SOT-143-4 surface mount configuration
• Electrical Footprint: TO-253-4 and TO-253AA mechanical compatibility

The MAX837EUS+T variant meets all electrical and mechanical requirements for direct substitution. The primary distinction between the main part and its substitute relates to product lifecycle status and regulatory compliance certifications rather than functional performance.

Parameter Comparison

Engineering Selection Recommendations

The MAX837EUS+T is the direct functional equivalent for applications currently using the MAX837EUS-T. Both components share identical electrical specifications, timing characteristics, and mechanical packaging.

Selection between these parts should be based on the following criteria:

For New Designs and Redesigns: The MAX837EUS+T is the appropriate choice due to its active product status and ROHS3 compliance certification. This ensures long-term availability and alignment with current environmental and regulatory standards.

For Legacy System Support: The MAX837EUS-T remains available in existing inventory (23,770 pieces) for direct replacement in systems already deployed with this component. The MAX837EUS+T provides an equivalent alternative when original stock is exhausted.

Regulatory Compliance: Applications subject to RoHS3 requirements should specify the MAX837EUS+T. Both components maintain REACH compliance and EAR99 export classification.

Supply Chain Continuity: The MAX837EUS+T is maintained in active production status with 17,100 pieces in current inventory, providing superior long-term procurement reliability compared to the obsolete MAX837EUS-T variant.

Frequently Asked Questions (FAQ)

Q: Can the MAX837EUS+T directly replace the MAX837EUS-T in existing circuit boards?

A: Yes. Both components are electrically and mechanically identical. The SOT-143-4 package footprint, pin configuration, and electrical performance specifications are equivalent. No circuit modifications are required.

Q: What is the difference between the MAX837EUS-T and MAX837EUS+T part numbers?

A: The primary difference is product lifecycle status. The MAX837EUS-T is obsolete, while the MAX837EUS+T is actively manufactured. The MAX837EUS+T also carries ROHS3 compliance certification, whereas the MAX837EUS-T is RoHS non-compliant. Electrical and functional specifications are identical.

Q: Are there packaging differences between these two parts?

A: Both components use the SOT-143-4 surface mount package with TO-253-4 and TO-253AA mechanical compatibility. The MAX837EUS+T is available in Cut Tape (CT) and Digi-Reel® packaging formats. No physical or dimensional differences exist between the two variants.

Q: Which part should be specified for new product designs?

A: The MAX837EUS+T should be specified for new designs. It maintains active production status, ROHS3 compliance, and ensures availability throughout the product lifecycle.

Q: Is the 80µs propagation delay specification identical for both parts?

A: Yes. Both the MAX837EUS-T and MAX837EUS+T maintain 80µs typical propagation delay for the reset timeout function. Timing performance is equivalent across all operating conditions within the -40°C to 85°C temperature range.

Q: Can these parts be used interchangeably in industrial temperature applications?

A: Yes. Both components are rated for -40°C to 85°C operating temperature range and are suitable for industrial applications. The Moisture Sensitivity Level (MSL) rating of 1 (Unlimited) applies to both variants.