LM4132DMF-4.1 Equivalent & Substitute Parts

Part Overview

The LM4132DMF-4.1 is a Series Voltage Reference IC from Texas Instruments, designed to provide a fixed 4.096V output with ±0.4% tolerance. This component is classified as a Power Management (PMIC) device and is packaged in SOT-23-5 surface mount configuration. The main part number LM4132DMF-4.1 is currently listed as obsolete, making equivalent substitute parts necessary for ongoing design implementations and production requirements.

Substiute Parts

LM4132DMF-4.1

Texas InstrumentsIn Stock: 2682LM4132DMF-4.1 Datasheet

Current PartRFQ

LM4132DMF-4.1/NOPB

Texas InstrumentsIn Stock: 3836LM4132DMF-4.1/NOPB Datasheet

Parametric EquivalentRFQ

LM4132DMFX-4.1/NOPB

Texas InstrumentsIn Stock: 867LM4132DMFX-4.1/NOPB Datasheet

Parametric EquivalentRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitute parts for the LM4132DMF-4.1 are determined by strict equivalence across all critical electrical and mechanical parameters. The substitution logic is based on the following key parameters that must remain identical:

• Fixed output voltage of 4.096V
• Output current capability of 20 mA
• Tolerance specification of ±0.4%
• Temperature coefficient of 20 ppm/°C
• Noise performance of 350 µVp-p (0.1Hz to 10Hz)
• Input voltage range of 4.496V ~ 5.5V
• Supply current of 100 µA
• Operating temperature range of -40°C ~ 125°C
• SOT-23-5 package configuration
• Surface mount mounting type

The identified substitute parts maintain complete parametric equivalence with the main part number while differing in product status and compliance certifications. Substitutes are available in active product status with improved RoHS compliance.

Parameter Comparison

Engineering Selection Recommendations

The LM4132DMF-4.1/NOPB and LM4132DMFX-4.1/NOPB are direct parametric equivalents to the obsolete LM4132DMF-4.1. Both substitute parts maintain identical electrical specifications and package configuration while offering active product status and ROHS3 compliance.

For new designs and production applications, LM4132DMF-4.1/NOPB is the primary substitute, offering higher inventory availability (3753 Pcs) and active product status. LM4132DMFX-4.1/NOPB serves as a secondary option with equivalent specifications and ROHS3 compliance, though with lower inventory levels (800 Pcs).

Both substitutes are supplied in Tape & Reel packaging, suitable for automated assembly processes. The transition from the obsolete main part number to either active substitute part requires no circuit redesign, as all electrical and mechanical parameters remain unchanged.

Frequently Asked Questions (FAQ)

Q: Can LM4132DMF-4.1/NOPB be used as a direct replacement for LM4132DMF-4.1?

A: Yes. LM4132DMF-4.1/NOPB is a direct parametric equivalent with identical electrical specifications, output voltage, current ratings, tolerance, temperature coefficient, and SOT-23-5 package configuration. The primary difference is active product status and ROHS3 compliance.

Q: What is the difference between LM4132DMF-4.1/NOPB and LM4132DMFX-4.1/NOPB?

A: Both parts are parametric equivalents with identical electrical specifications and package configuration. The difference lies in inventory availability and internal manufacturing variations indicated by the "X" designation. Both are ROHS3 compliant and active products.

Q: Are the substitute parts available in the same package as the original?

A: Yes. All three part numbers use the SOT-23-5 package (SC-74A, SOT-753). The substitute parts are supplied in Tape & Reel packaging for automated assembly, while the original was available in bulk packaging.

Q: Does the ROHS3 compliance of the substitute parts affect circuit compatibility?

A: No. ROHS3 compliance indicates improved environmental and regulatory standards but does not alter electrical performance or circuit compatibility. All electrical parameters remain identical.

Q: What is the significance of the "/NOPB" suffix in the substitute part numbers?

A: The "/NOPB" suffix indicates "No Plumbum" (lead-free) manufacturing, which is part of the ROHS3 compliance specification. This affects manufacturing process but not electrical performance or circuit operation.