MIC39102BM-TR Equivalent & Substitute Parts

Part Overview

The MIC39102BM-TR is a linear voltage regulator IC from Microchip Technology designed for positive adjustable output applications. This Surface Mount device delivers 1A output current with adjustable voltage regulation from 1.24V to 16V, featuring integrated protection against overcurrent, overtemperature, and reverse polarity conditions. The part is currently discontinued at DiGi Electronics, making identification of equivalent alternatives essential for ongoing design support and production continuity.

Key Parameters

Parameter	Value
Manufacturer	Microchip Technology
Category	Power Management (PMIC)
Output Configuration	Positive
Output Type	Adjustable
Number of Regulators	1
Voltage - Input (Max)	16V
Voltage - Output (Min/Fixed)	1.24V
Voltage - Output (Max)	16V
Voltage Dropout (Max)	0.63V @ 1A
Current - Output	1A
Control Features	Enable
Protection Features	Over Current, Over Temperature, Reverse Polarity
Operating Temperature	-40°C ~ 125°C
Mounting Type	Surface Mount
Package / Case	8-SOIC (0.154", 3.90mm Width)
Moisture Sensitivity Level (MSL)	1 (Unlimited)
RoHS Status	RoHS non-compliant

Substitute Part Grouping Explanation

Substitution of the MIC39102BM-TR is determined by strict equivalence across the following critical parameters:

Output configuration (Positive)
Output type (Adjustable)
Voltage range (Input Max: 16V, Output Min: 1.24V, Output Max: 16V)
Current capacity (1A)
Dropout voltage (0.63V @ 1A)
Protection features (Over Current, Over Temperature, Reverse Polarity)
Package type (8-SOIC)
Operating temperature range (-40°C ~ 125°C)
Mounting type (Surface Mount)

The MIC39102YM-TR meets all these criteria and is classified as a parametric equivalent. Substitution is valid based on identical electrical specifications and package compatibility.

Parameter Comparison

Parameter	MIC39102BM-TR (Main)	MIC39102YM-TR (Substitute)
Manufacturer	Microchip Technology	Microchip Technology
Output Configuration	Positive	Positive
Output Type	Adjustable	Adjustable
Voltage - Input (Max)	16V	16V
Voltage - Output (Min/Fixed)	1.24V	1.24V
Voltage - Output (Max)	16V	16V
Voltage Dropout (Max)	0.63V @ 1A	0.63V @ 1A
Current - Output	1A	1A
Control Features	Enable	Enable
Protection Features	Over Current, Over Temperature, Reverse Polarity	Over Current, Over Temperature, Reverse Polarity
Operating Temperature	-40°C ~ 125°C	-40°C ~ 125°C
Package / Case	8-SOIC (0.154", 3.90mm Width)	8-SOIC (0.154", 3.90mm Width)
Mounting Type	Surface Mount	Surface Mount
Product Status	Discontinued at DiGi Electronics	Active
RoHS Status	RoHS non-compliant	ROHS3 Compliant
Moisture Sensitivity Level (MSL)	1 (Unlimited)	2 (1 Year)

Engineering Selection Recommendations

The MIC39102YM-TR is a direct parametric equivalent to the MIC39102BM-TR across all electrical and mechanical specifications. The primary distinction is product status: the MIC39102BM-TR is discontinued, while the MIC39102YM-TR maintains active production status with significantly higher inventory availability (29,200 pcs vs. 1,752 pcs).

The MIC39102YM-TR offers improved compliance posture with ROHS3 certification, whereas the original part is RoHS non-compliant. Both parts maintain REACH Unaffected status and identical ECCN/HTSUS classifications.

Packaging differs in format: the main part is supplied in Tape & Reel (TR), while the substitute is available in Cut Tape (CT) & Digi-Reel® format. This distinction affects handling and assembly processes but does not impact electrical performance or package footprint compatibility.

Frequently Asked Questions (FAQ)

Q: Are the MIC39102BM-TR and MIC39102YM-TR electrically identical?

A: Yes. Both parts share identical electrical specifications including voltage range (1.24V to 16V adjustable output), current capacity (1A), dropout voltage (0.63V @ 1A), protection features, and operating temperature range (-40°C ~ 125°C).

Q: Can I use the MIC39102YM-TR as a direct replacement on existing PCBs designed for the MIC39102BM-TR?

A: Yes. Both parts use the 8-SOIC package with identical pinout and footprint dimensions (0.154", 3.90mm Width). Surface mount assembly compatibility is maintained.

Q: What is the difference in packaging between these two parts?

A: The MIC39102BM-TR is supplied in Tape & Reel (TR) format, while the MIC39102YM-TR is available in Cut Tape (CT) & Digi-Reel® format. The component itself is identical; packaging format affects handling, storage, and automated assembly processes.

Q: Why is the MIC39102BM-TR discontinued?

A: Product discontinuation is determined by manufacturer lifecycle decisions. The MIC39102YM-TR remains in active production and serves the same functional requirements.

Q: Does the RoHS compliance difference affect substitution?

A: The MIC39102YM-TR is ROHS3 compliant while the original is RoHS non-compliant. For applications requiring RoHS compliance, the substitute part provides regulatory advantage. For legacy systems without RoHS requirements, both parts are functionally equivalent.

Q: What is the Moisture Sensitivity Level (MSL) difference?

A: The MIC39102BM-TR has MSL 1 (Unlimited shelf life), while the MIC39102YM-TR has MSL 2 (1 Year shelf life). This affects storage and handling protocols but does not impact in-circuit performance.

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