LM4132CMF-4.1 Equivalent & Substitute Parts

Part Overview

The LM4132CMF-4.1 is a Series Voltage Reference IC that provides a fixed 4.096V output with ±0.2% tolerance. This component is classified as a Power Management (PMIC) device and is housed in a SOT-23-5 surface mount package. The main part number LM4132CMF-4.1 is currently listed as obsolete, making identification of active equivalent parts essential for ongoing design support and procurement continuity.

Substiute Parts

LM4132CMF-4.1

Texas InstrumentsIn Stock: 2232LM4132CMF-4.1 Datasheet

Current PartRFQ

LM4132CMF-4.1/NOPB

Texas InstrumentsIn Stock: 2427LM4132CMF-4.1/NOPB Datasheet

Parametric EquivalentRFQ

LM4132CMFX-4.1/NOPB

National SemiconductorIn Stock: 1425LM4132CMFX-4.1/NOPB Datasheet

Parametric EquivalentRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitution for the LM4132CMF-4.1 is determined by strict equivalence across the following critical parameters:

• Fixed output voltage of 4.096V
• Output current capability of 20 mA
• Tolerance specification of ±0.2%
• Temperature coefficient of 20ppm/°C
• Input voltage range of 4.496V ~ 5.5V
• Supply current of 100µA
• Operating temperature range of -40°C ~ 125°C
• SOT-23-5 package configuration
• Surface mount mounting type

All identified substitute parts maintain identical electrical specifications and mechanical compatibility with the original part number.

Parameter Comparison

Engineering Selection Recommendations

LM4132CMF-4.1/NOPB is the primary active substitute for the obsolete LM4132CMF-4.1. This part is manufactured by Texas Instruments, maintains identical electrical and mechanical specifications, and carries ROHS3 compliance status. The /NOPB designation indicates lead-free processing and is available in Cut Tape and Digi-Reel packaging formats.

LM4132CMFX-4.1/NOPB, manufactured by National Semiconductor, provides an alternative active source with equivalent parametric specifications. This variant is available in bulk packaging. Both substitute parts are electrically and mechanically interchangeable with the original part number.

Selection between substitute options should be based on packaging requirements, procurement lead times, and compliance certifications applicable to the end application.

Frequently Asked Questions (FAQ)

Q: Can LM4132CMF-4.1/NOPB be used as a direct replacement for LM4132CMF-4.1?

A: Yes. Both parts share identical electrical specifications, including 4.096V fixed output, ±0.2% tolerance, 20 mA output current, and SOT-23-5 package configuration. The primary difference is product status (active vs. obsolete) and RoHS compliance level.

Q: What does the /NOPB suffix indicate?

A: The /NOPB designation indicates that the part is manufactured using lead-free (Pb-free) processing and does not contain lead in the solder balls or terminations.

Q: Are there packaging differences between the substitute parts?

A: Yes. LM4132CMF-4.1/NOPB is available in Cut Tape and Digi-Reel packaging, while LM4132CMFX-4.1/NOPB is supplied in bulk packaging. Both maintain the same SOT-23-5 component package.

Q: Do all substitute parts meet the same operating temperature range?

A: Yes. All listed parts operate across the -40°C to 125°C (TJ) temperature range with identical temperature coefficient specifications of 20ppm/°C.

Q: Is RoHS compliance a factor in selecting a substitute?

A: RoHS compliance status depends on application requirements. LM4132CMF-4.1/NOPB is ROHS3 compliant, while the original LM4132CMF-4.1 is RoHS non-compliant. Verify compliance requirements for your specific application before final part selection.