MIC29150-5.0BT Equivalent & Substitute Parts

Part Overview

The MIC29150-5.0BT is a linear voltage regulator IC from Microchip Technology, designed to deliver a fixed 5V output at 1.5A in a TO-220-3 package. This device is classified as obsolete, making identification of suitable substitute components essential for ongoing design support and production continuity. The regulator features integrated protection against overcurrent, overtemperature, reverse polarity, and transient voltage conditions, with an operating range of -40°C to 125°C.

Substiute Parts

MIC29150-5.0BT

Microchip TechnologyIn Stock: 4663MIC29150-5.0BT Datasheet

Current PartRFQ

MIC29150-5.0WT

Microchip TechnologyIn Stock: 5136MIC29150-5.0WT Datasheet

DirectRFQ

LM2940T-5.0/LF08

Texas InstrumentsIn Stock: 3719LM2940T-5.0/LF08 Datasheet

MFR RecommendedRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitute components for the MIC29150-5.0BT are identified based on the following critical parameters:

• Fixed 5V output voltage
• TO-220-3 package compatibility
• Positive output configuration
• Maximum input voltage of 26V
• Operating temperature range of -40°C to 125°C
• Integrated protection features (overcurrent, overtemperature, reverse polarity)

Two substitute parts meet these core electrical and mechanical requirements: the MIC29150-5.0WT (direct Microchip equivalent with improved compliance status) and the LM2940T-5.0/LF08 (Texas Instruments alternative with reduced output current rating).

Parameter Comparison

Engineering Selection Recommendations

The MIC29150-5.0WT is the primary substitute for the MIC29150-5.0BT. Both devices are manufactured by Microchip Technology and share identical electrical specifications, including 1.5A output current and 0.6V maximum dropout voltage. The MIC29150-5.0WT maintains active product status and achieves ROHS3 compliance, addressing the obsolescence of the original part while preserving full electrical and mechanical compatibility.

The LM2940T-5.0/LF08 from Texas Instruments serves as an alternative substitute when output current requirements do not exceed 1A. This device is ROHS3 compliant and maintains active status. However, the LM2940T-5.0/LF08 exhibits a higher dropout voltage of 1V at 1A and is specified for surface mount applications with formed leads, requiring board layout modifications compared to standard through-hole mounting.

Frequently Asked Questions (FAQ)

Q: Can the MIC29150-5.0WT directly replace the MIC29150-5.0BT without circuit modifications?

A: Yes. The MIC29150-5.0WT is electrically and mechanically identical to the MIC29150-5.0BT, with matching output current (1.5A), dropout voltage (0.6V @ 1.5A), input voltage rating (26V max), and TO-220-3 package configuration. No circuit modifications are required.

Q: What are the limitations of using the LM2940T-5.0/LF08 as a substitute?

A: The LM2940T-5.0/LF08 has a maximum output current of 1A, compared to 1.5A for the MIC29150-5.0BT. The dropout voltage is higher at 1V @ 1A. The device is specified for surface mount applications with formed leads, which may require board layout changes from standard through-hole designs.

Q: Are both substitute parts RoHS compliant?

A: Yes. Both the MIC29150-5.0WT and LM2940T-5.0/LF08 are ROHS3 compliant, whereas the original MIC29150-5.0BT is RoHS non-compliant.

Q: What is the primary reason for substituting the MIC29150-5.0BT?

A: The MIC29150-5.0BT is classified as obsolete. The MIC29150-5.0WT provides full electrical and mechanical compatibility while maintaining active product status and improved compliance certifications.

Q: Can the LM2940T-5.0/LF08 be used in applications requiring 1.5A output?

A: No. The LM2940T-5.0/LF08 is rated for a maximum output current of 1A. Applications requiring 1.5A output must use either the MIC29150-5.0BT or MIC29150-5.0WT.