MIC5319-5.0BD5 Equivalent & Substitute Parts

Part Overview

The MIC5319-5.0BD5 is a linear voltage regulator IC from Microchip Technology designed for positive fixed 5V output applications with 500mA current capacity in a TSOT-23-5 surface mount package. This component is classified as obsolete, making identification of active equivalent parts essential for ongoing production and design continuity. The substitute part maintains identical electrical specifications and mechanical compatibility while offering current availability and updated compliance status.

Substiute Parts

MIC5319-5.0BD5

Microchip TechnologyIn Stock: 842MIC5319-5.0BD5 Datasheet

Current PartRFQ

MIC5319-5.0YD5-TR

Microchip TechnologyIn Stock: 971MIC5319-5.0YD5-TR Datasheet

DirectRFQ

Key Parameters

Substitute Part Grouping Explanation

The MIC5319-5.0BD5 has one direct substitute: MIC5319-5.0YD5-TR. Substitution is valid based on the following criteria:

• Identical output voltage specification (5V fixed)
• Matching current output rating (500mA)
• Identical maximum input voltage (5.5V)
• Matching voltage dropout characteristics (0.4V @ 500mA)
• Identical quiescent current (150 µA)
• Matching PSRR performance (70dB ~ 60dB, 1kHz ~ 10kHz)
• Identical control and protection features (Enable, Over Current, Over Temperature)
• Same package type (SOT-23-5 Thin, TSOT-23-5)
• Identical operating temperature range (-40°C ~ 125°C)

The primary difference is packaging format (bulk vs. Tape & Reel) and product status (Obsolete vs. Active).

Parameter Comparison

Engineering Selection Recommendations

The MIC5319-5.0YD5-TR is the direct active equivalent for the obsolete MIC5319-5.0BD5. Selection should be based on the following factors:

Product Status: The MIC5319-5.0YD5-TR carries Active status, ensuring long-term availability and manufacturer support, whereas the MIC5319-5.0BD5 is Obsolete and subject to discontinuation.

Regulatory Compliance: The MIC5319-5.0YD5-TR is ROHS3 Compliant, meeting current environmental regulations. The MIC5319-5.0BD5 is RoHS non-compliant and may not satisfy procurement requirements for new designs or updated production runs.

Electrical Equivalence: All electrical parameters are identical between the two parts, confirming functional interchangeability in circuit applications.

Packaging Consideration: The MIC5319-5.0YD5-TR is supplied in Tape & Reel format, standard for automated assembly processes. The MIC5319-5.0BD5 bulk packaging is suitable only for manual or legacy assembly workflows.

Frequently Asked Questions (FAQ)

Q: Can MIC5319-5.0YD5-TR be used as a direct replacement for MIC5319-5.0BD5 in existing designs?

A: Yes. Both parts are electrically and mechanically identical. The MIC5319-5.0YD5-TR can be substituted without circuit modifications. The primary differences are product status (Active vs. Obsolete) and packaging format (Tape & Reel vs. Bulk).

Q: What is the significance of the packaging format difference (BD5 vs. YD5-TR)?

A: BD5 indicates bulk packaging suitable for manual handling. YD5-TR indicates Tape & Reel packaging optimized for automated pick-and-place assembly. The electrical performance is identical; the difference is in supply and assembly methodology.

Q: Does the RoHS compliance difference affect circuit performance?

A: No. RoHS compliance is a regulatory and environmental designation, not a performance specification. The ROHS3 Compliant status of MIC5319-5.0YD5-TR indicates adherence to current environmental standards, which may be required for new product certifications or procurement policies.

Q: Are the TSOT-23-5 packages physically identical?

A: Yes. Both parts use the same SOT-23-5 Thin package footprint. PCB layouts and component placement are fully compatible.

Q: What is the inventory status for these parts?

A: MIC5319-5.0BD5 has 736 Pcs in stock (Obsolete status). MIC5319-5.0YD5-TR has 910 Pcs in stock (Active status). For new production, MIC5319-5.0YD5-TR is the recommended choice due to active manufacturer support and ongoing availability.