SR303-TP Equivalent & Substitute Parts Reference

Part Overview

The SR303-TP is a Schottky rectifier diode manufactured by Micro Commercial Co, featuring a maximum repetitive reverse voltage of 30 V and average rectified current of 3A. It is designed for fast recovery applications where interface diode requirements include low forward voltage and minimal reverse leakage. Packaged as DO-201AD through-hole axial, the SR303-TP is currently listed as Not For New Designs, prompting the need to identify alternative models to ensure supply continuity, design flexibility, and support for ongoing engineering projects.

Substiute Parts

SR303-TP

Micro Commercial CoIn Stock: 1120SR303-TP Datasheet

Current PartRFQ

SB530-E3/73

Vishay General Semiconductor - Diodes DivisionIn Stock: 4190SB530-E3/73 Datasheet

SimilarRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitute part selection is governed strictly by the following key parameters: Schottky technology, maximum DC reverse voltage of 30 V, average rectified current rating, forward voltage at rated current, fast recovery speed, reverse leakage current, through-hole mounting type, and package case (DO-201AD, Axial). Only components matching or exceeding these critical attributes are included as equivalent and substitute parts, supporting mechanical fit and electrical compatibility within the application domain of power rectification and interface diodes.

Parameter Comparison

Engineering Selection Recommendations

The SR303-TP is designated Not For New Designs, indicating limited future availability. The SB530-E3/73 meets all listed key parameters, including Schottky technology, voltage and current ratings, forward voltage, recovery speed, mechanical mounting, and package type. The SB530-E3/73 is marked as Active, ROHS3 Compliant, and REACH Unaffected, supporting compliance needs where applicable for new or continuing designs.

Frequently Asked Questions (FAQ)

Q: What are the critical parameters when selecting a substitute for SR303-TP?
A: Substitute selection must be based on Schottky technology, maximum DC reverse voltage, average rectified current rating, forward voltage at rated current, fast recovery speed, reverse leakage current, mounting type (through-hole), and package/case (DO-201AD).

Q: Is SB530-E3/73 mechanically compatible with SR303-TP?
A: Both devices use through-hole mounting in the DO-201AD axial package, providing direct mechanical compatibility.

Q: Does the substitute part meet the same or superior electrical specifications?
A: SB530-E3/73 matches or exceeds the electrical specifications of SR303-TP for voltage, current, forward voltage, reverse leakage, and recovery speed.

Q: What compliance certifications are associated with the substitute part?
A: SB530-E3/73 holds ROHS3 and REACH Unaffected status, which aligns with common environmental and regulatory requirements.

Q: Are there any differences in rated operating temperature between these diodes?
A: SB530-E3/73 offers an expanded operating temperature range (-65°C ~ 150°C) compared to SR303-TP (-50°C ~ 125°C), while maintaining compatibility within the original specification range.

Q: Can SB530-E3/73 be used for existing designs currently utilizing SR303-TP?
A: Based strictly on provided key parameters and mechanical compatibility, SB530-E3/73 is suitable as an equivalent and substitute part for applications using SR303-TP.