DS1817R-10/T&R Equivalent & Substitute Parts

Part Overview

The DS1817R-10/T&R is a single-channel power management supervisor IC from Analog Devices Inc./Maxim Integrated, designed for reset and power-on reset applications. This component operates as a push-pull, totem pole output supervisor with a 2.88V threshold voltage and 100ms minimum reset timeout. The part is currently listed as obsolete, making identification of suitable substitutes essential for ongoing production and maintenance applications.

Substiute Parts

DS1817R-10/T&R

Analog Devices Inc./Maxim IntegratedIn Stock: 1100DS1817R-10/T&R Datasheet

Current PartRFQ

DS1817R-10+T&R

Analog Devices Inc./Maxim IntegratedIn Stock: 3097DS1817R-10+T&R Datasheet

DirectRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitution of the DS1817R-10/T&R is determined by strict equivalence across the following critical parameters:

• Voltage Threshold: 2.88V (exact match required)
• Output Type: Push-Pull, Totem Pole configuration
• Reset Logic: Active High
• Reset Timeout: 100ms Minimum
• Package: SOT-23-3 (surface mount compatibility)
• Number of Channels: Single channel (1 voltage monitored)
• Operating Temperature: -40°C ~ 85°C (TA)

The DS1817R-10+T&R qualifies as a direct substitute based on identical electrical specifications and mechanical compatibility. The primary distinction is packaging format: the original part uses standard packaging, while the substitute is supplied in Tape & Reel (TR) format for automated assembly operations.

Parameter Comparison

Engineering Selection Recommendations

The DS1817R-10+T&R is the direct electrical and mechanical equivalent of the DS1817R-10/T&R. Selection between these parts should be based on the following factors:

Product Status: The original DS1817R-10/T&R is obsolete. The DS1817R-10+T&R maintains active product status, ensuring continued availability and manufacturer support.

Regulatory Compliance: The substitute part is ROHS3 compliant, whereas the original is RoHS non-compliant. For applications subject to RoHS directives or customer requirements mandating RoHS compliance, the DS1817R-10+T&R is the appropriate selection.

Packaging Format: The substitute is supplied in Tape & Reel format, optimized for high-volume automated assembly. The original part uses standard packaging. Selection depends on production volume and assembly methodology.

Electrical Equivalence: Both parts are electrically identical across all specified parameters, including voltage threshold, output configuration, reset logic, and timing characteristics.

Frequently Asked Questions (FAQ)

Q: Are the DS1817R-10/T&R and DS1817R-10+T&R electrically interchangeable?

A: Yes. Both parts are electrically identical with matching voltage thresholds (2.88V), output configurations (push-pull, totem pole), reset logic (active high), and reset timeout specifications (100ms minimum). They operate identically in circuit applications.

Q: What is the difference between these two part numbers?

A: The primary differences are product status, RoHS compliance, and packaging format. The DS1817R-10/T&R is obsolete and RoHS non-compliant, supplied in standard packaging. The DS1817R-10+T&R is active, ROHS3 compliant, and supplied in Tape & Reel format for automated assembly.

Q: Can I use the DS1817R-10+T&R as a direct replacement in existing designs?

A: Yes. The SOT-23-3 package is identical, and all electrical specifications match. No circuit modifications are required. The substitute is suitable for both new designs and replacement applications.

Q: Why should I choose the DS1817R-10+T&R over the original part?

A: The substitute offers active product status, ensuring long-term availability. It meets ROHS3 compliance requirements, which may be mandated by regulatory standards or customer specifications. For high-volume production, Tape & Reel packaging improves assembly efficiency.

Q: Are there any compatibility concerns with the Tape & Reel packaging?

A: No. Tape & Reel is a standard packaging format for surface mount components and is compatible with all automated pick-and-place assembly equipment. The component specifications and performance remain unchanged.

Q: What is the moisture sensitivity level for both parts?

A: Both parts have MSL 1 (Unlimited), indicating no moisture sensitivity restrictions. Standard handling and storage procedures apply.