LM4132AMF-3.0 Equivalent & Substitute Parts

Part Overview

The LM4132AMF-3.0 is a Series Voltage Reference IC with fixed 3V output, ±0.05% tolerance, and 20 mA output current in SOT-23-5 surface mount packaging. This part is classified as obsolete, making equivalent and substitute parts necessary for new designs and production continuity. The LM4132 base product family offers multiple variants across different product statuses and qualifications to support various application requirements.

Substiute Parts

LM4132AMF-3.0

Texas InstrumentsIn Stock: 2172LM4132AMF-3.0 Datasheet

Current PartRFQ

LM4132AMF-3.0/NOPB

Texas InstrumentsIn Stock: 2356LM4132AMF-3.0/NOPB Datasheet

Parametric EquivalentRFQ

LM4132AMFX-3.0/NOPB

Texas InstrumentsIn Stock: 1222LM4132AMFX-3.0/NOPB Datasheet

Parametric EquivalentRFQ

LM4132AQ1MFR3.0

Texas InstrumentsIn Stock: 734LM4132AQ1MFR3.0 Datasheet

Parametric EquivalentRFQ

LM4132AQ1MFT3.0

Texas InstrumentsIn Stock: 2280LM4132AQ1MFT3.0 Datasheet

Parametric EquivalentRFQ

MAX6037AAUK30+T

Analog Devices Inc./Maxim IntegratedIn Stock: 1299MAX6037AAUK30+T Datasheet

MFR RecommendedRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitution for the LM4132AMF-3.0 is determined by strict equivalence across the following critical parameters:

Parametric Equivalence Criteria:

• Reference Type: Series
• Output Type: Fixed
• Voltage - Output: 3V
• Current - Output: 20 mA
• Tolerance: ±0.05%
• Temperature Coefficient: 20ppm/°C
• Voltage - Input Range: 3.4V ~ 5.5V
• Current - Supply: 100µA
• Operating Temperature Range: -40°C ~ 125°C
• Package / Case: SC-74A, SOT-753
• Supplier Device Package: SOT-23-5

Parametric Equivalent Parts (Texas Instruments LM4132 Family): The following parts maintain identical electrical specifications and packaging:

• LM4132AMF-3.0/NOPB (standard commercial grade, active status)
• LM4132AMFX-3.0/NOPB (standard commercial grade, active status)
• LM4132AQ1MFR3.0 (automotive grade, AEC-Q100 qualified)
• LM4132AQ1MFT3.0 (automotive grade, AEC-Q100 qualified)

Manufacturer Recommended Alternative: The MAX6037AAUK30+T from Analog Devices Inc./Maxim Integrated is listed as a manufacturer-recommended alternative. This part differs in specific electrical parameters (tolerance, temperature coefficient, output current, and supply current) and represents a functional alternative rather than a direct parametric equivalent.

Parameter Comparison

Engineering Selection Recommendations

For Direct Replacement (Parametric Equivalents): Select LM4132AMF-3.0/NOPB or LM4132AMFX-3.0/NOPB for commercial-grade applications. Both parts maintain identical electrical specifications and are in active production status with ROHS3 compliance, addressing the obsolescence of the original LM4132AMF-3.0.

For Automotive Applications: LM4132AQ1MFR3.0 and LM4132AQ1MFT3.0 are qualified to AEC-Q100 automotive standards while maintaining parametric equivalence. These variants are required for automotive-grade designs and applications subject to automotive qualification requirements.

For Alternative Sourcing: MAX6037AAUK30+T from Analog Devices Inc./Maxim Integrated is a manufacturer-recommended alternative. This part differs in output current (5 mA vs. 20 mA), tolerance (±0.2% vs. ±0.05%), temperature coefficient (25ppm/°C vs. 20ppm/°C), and supply current (275µA vs. 100µA). Selection of this alternative requires circuit-level evaluation to confirm compatibility with application requirements.

Frequently Asked Questions (FAQ)

Q: Can I use LM4132AMF-3.0/NOPB as a direct replacement for LM4132AMF-3.0? A: Yes. LM4132AMF-3.0/NOPB is a parametric equivalent with identical electrical specifications and SOT-23-5 packaging. The primary difference is product status (active vs. obsolete) and RoHS compliance (ROHS3 vs. non-compliant).

Q: What is the difference between commercial-grade and automotive-grade LM4132 variants? A: Automotive-grade variants (LM4132AQ1MFR3.0 and LM4132AQ1MFT3.0) are qualified to AEC-Q100 standards and are required for automotive applications. Commercial-grade variants (LM4132AMF-3.0/NOPB and LM4132AMFX-3.0/NOPB) are suitable for industrial and consumer applications. All variants maintain identical electrical specifications.

Q: Why does MAX6037AAUK30+T have different electrical parameters? A: MAX6037AAUK30+T is a manufacturer-recommended alternative from a different manufacturer (Analog Devices Inc./Maxim Integrated). It provides a 3V fixed output reference in the same SOT-23-5 package but with different output current (5 mA), tolerance (±0.2%), and supply current specifications. This part is suitable only when circuit requirements accommodate these parameter differences.

Q: Are all substitute parts available in the same packaging? A: Yes. All listed substitute parts use SC-74A, SOT-753 package / case designation with SOT-23-5 supplier device package, ensuring mechanical and electrical compatibility in existing PCB layouts.

Q: What compliance certifications apply to the substitute parts? A: LM4132AMF-3.0/NOPB, LM4132AMFX-3.0/NOPB, LM4132AQ1MFR3.0, LM4132AQ1MFT3.0, and MAX6037AAUK30+T are all ROHS3 compliant and REACH unaffected. Automotive variants carry AEC-Q100 qualification.