LMV431IM5X Equivalent & Substitute Parts

Part Overview

The LMV431IM5X is a shunt voltage reference IC manufactured by Texas Instruments, designed for precision voltage regulation applications. This adjustable reference provides a fixed output of 1.24V with a maximum output capability of 30V and supports a maximum cathode current of 80µA. The device is packaged in SOT-23-5 (SC-74A) surface mount configuration.

The LMV431IM5X carries an obsolete product status. Identifying equivalent and substitute parts is necessary to ensure design continuity, maintain supply chain reliability, and support long-term production requirements for applications utilizing this reference voltage IC.

Substiute Parts

LMV431IM5X

Texas InstrumentsIn Stock: 29163LMV431IM5X Datasheet

Current PartRFQ

LMV431IM5X/NOPB

Texas InstrumentsIn Stock: 38471LMV431IM5X/NOPB Datasheet

DirectRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitution of the LMV431IM5X is determined by strict equivalence across the following critical parameters:

• Reference Type: Shunt
• Output Type: Adjustable
• Voltage - Output (Min/Fixed): 1.24V
• Voltage - Output (Max): 30V
• Current - Output: 15mA
• Current - Cathode: 80µA
• Tolerance: ±1.5%
• Operating Temperature Range: -40°C ~ 85°C
• Package / Case: SC-74A, SOT-753 (SOT-23-5)
• Mounting Type: Surface Mount

The LMV431IM5X/NOPB is identified as a direct substitute. This part maintains identical electrical specifications and mechanical packaging while offering improved product status and compliance certifications.

Parameter Comparison

Engineering Selection Recommendations

The LMV431IM5X/NOPB is the direct substitute for the obsolete LMV431IM5X. Both parts are electrically and mechanically identical across all specified parameters. The LMV431IM5X/NOPB offers the following advantages:

• Active product status ensures ongoing manufacturer support and availability
• ROHS3 compliance satisfies current environmental and regulatory requirements
• Identical electrical performance and package configuration enable direct PCB-level substitution without design modification

Selection of the LMV431IM5X/NOPB is appropriate for new designs and production continuity of existing applications.

Frequently Asked Questions (FAQ)

Q: Can the LMV431IM5X/NOPB be used as a direct replacement for the LMV431IM5X?

A: Yes. The LMV431IM5X/NOPB is electrically and mechanically identical to the LMV431IM5X. All critical parameters including reference voltage, output current, tolerance, operating temperature range, and package configuration are equivalent. No circuit modifications or PCB redesign is required.

Q: What is the difference between LMV431IM5X and LMV431IM5X/NOPB?

A: The primary differences are product status and compliance certifications. The LMV431IM5X is obsolete, while the LMV431IM5X/NOPB is active. The LMV431IM5X/NOPB is ROHS3 compliant, whereas the LMV431IM5X is RoHS non-compliant. Electrical specifications and packaging are identical.

Q: Is the SOT-23-5 package compatible with existing PCB designs?

A: Yes. Both the LMV431IM5X and LMV431IM5X/NOPB use the SOT-23-5 package (SC-74A, SOT-753). The pinout and footprint are identical, ensuring direct compatibility with existing PCB layouts.

Q: What is the minimum cathode current requirement for the LMV431IM5X/NOPB?

A: The specified cathode current is 80µA. This parameter defines the minimum operating current for the device and must be considered in circuit design to ensure proper voltage reference operation.

Q: Are there any temperature or environmental restrictions for the LMV431IM5X/NOPB?

A: The LMV431IM5X/NOPB operates across the temperature range of -40°C to 85°C (TA). The device has a moisture sensitivity level (MSL) of 1, indicating unlimited shelf life without moisture control requirements.