LM4132EMFX-4.1 Equivalent & Substitute Parts

Part Overview

The LM4132EMFX-4.1 is a Series Voltage Reference IC with fixed 4.096V output, ±0.5% 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 ongoing production requirements. The LM4132EMFX-4.1 operates across -40°C to 125°C and is suitable for precision voltage reference applications requiring stable output across temperature and supply variations.

Substiute Parts

LM4132EMFX-4.1

Texas InstrumentsIn Stock: 2432LM4132EMFX-4.1 Datasheet

Current PartRFQ

LM4132EMFX-4.1/NOPB

National SemiconductorIn Stock: 9604LM4132EMFX-4.1/NOPB Datasheet

DirectRFQ

LM4132EMF-4.1/NOPB

Texas InstrumentsIn Stock: 3032LM4132EMF-4.1/NOPB Datasheet

Parametric EquivalentRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitute parts for the LM4132EMFX-4.1 are qualified based on identical electrical and mechanical parameters. The substitution criteria are strictly limited to:

• Reference Type: Series
• Output Type: Fixed
• Voltage - Output: 4.096V
• Current - Output: 20 mA
• Tolerance: ±0.5%
• Temperature Coefficient: 30ppm/°C
• Noise - 0.1Hz to 10Hz: 350µVp-p
• Voltage - Input: 4.496V ~ 5.5V
• Current - Supply: 100µA
• Operating Temperature: -40°C ~ 125°C (TJ)
• Mounting Type: Surface Mount
• Package / Case: SC-74A, SOT-753
• Supplier Device Package: SOT-23-5

Two substitute parts meet these criteria and are listed below.

Parameter Comparison

Engineering Selection Recommendations

Both substitute parts LM4132EMFX-4.1/NOPB and LM4132EMF-4.1/NOPB are electrically and mechanically equivalent to the obsolete LM4132EMFX-4.1. Selection between substitutes depends on product status and compliance requirements:

LM4132EMFX-4.1/NOPB (National Semiconductor) is an active product available in bulk packaging. This part maintains full electrical equivalence and is suitable for applications where manufacturer source flexibility is acceptable.

LM4132EMF-4.1/NOPB (Texas Instruments) is an active product available in Tape & Reel packaging and carries ROHS3 compliance certification. This part is recommended for applications requiring RoHS compliance and tape & reel packaging for automated assembly processes.

Frequently Asked Questions (FAQ)

Q: Can LM4132EMFX-4.1/NOPB and LM4132EMF-4.1/NOPB be used interchangeably with the obsolete LM4132EMFX-4.1?

A: Yes. Both substitute parts are electrically and mechanically equivalent. All critical parameters including output voltage, tolerance, temperature coefficient, noise characteristics, input voltage range, output current, and operating temperature are identical. The SOT-23-5 package pinout and footprint are compatible.

Q: What is the difference between the two substitute parts?

A: The primary differences are manufacturer source, product status, packaging format, and compliance certifications. LM4132EMFX-4.1/NOPB is supplied by National Semiconductor in bulk packaging. LM4132EMF-4.1/NOPB is supplied by Texas Instruments in Tape & Reel format and includes ROHS3 compliance certification.

Q: Which substitute should I select for new designs?

A: Selection depends on supply chain and regulatory requirements. For RoHS-compliant applications and automated assembly, LM4132EMF-4.1/NOPB is the appropriate choice. For applications without RoHS requirements, either part is suitable based on availability and preferred supplier.

Q: Are there any package or pinout differences between these parts?

A: No. All three parts use identical SOT-23-5 packaging (SC-74A, SOT-753). Pinout and PCB footprint are fully compatible, requiring no circuit board modifications.

Q: What is the significance of the /NOPB suffix?

A: The /NOPB suffix indicates the part is supplied without plumbum (lead-free). This designation is standard for modern semiconductor components and indicates RoHS compliance or lead-free manufacturing processes.