TLVH431ACLP Equivalent & Substitute Parts

Part Overview

The TLVH431ACLP 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 18V and supports output currents up to 70mA with ±1% tolerance. The device is currently in Last Time Buy status, indicating limited availability and the necessity to identify compatible alternatives for ongoing production and design requirements.

Substiute Parts

TLVH431ACLP

Texas InstrumentsIn Stock: 3044TLVH431ACLP Datasheet

Current PartRFQ

TLVH431ACDBZR

Texas InstrumentsIn Stock: 23522TLVH431ACDBZR Datasheet

MFR RecommendedRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitution of the TLVH431ACLP is determined by electrical and mechanical parameter equivalence within the TLVH431 product family. The primary substitute identified is the TLVH431ACDBZR, which maintains identical electrical specifications across all critical parameters: reference type (shunt), output type (adjustable), minimum output voltage (1.24V), maximum output voltage (18V), output current (70mA), tolerance (±1%), cathode current (100µA), and operating temperature range (0°C ~ 70°C).

The key differentiator between these parts is the packaging format and mounting technology. The TLVH431ACLP utilizes through-hole mounting in a TO-92-3 package, while the TLVH431ACDBZR employs surface-mount technology in a SOT-23-3 package. Both packages are functionally equivalent from an electrical standpoint and support identical circuit implementations.

Parameter Comparison

Engineering Selection Recommendations

The TLVH431ACDBZR is the direct electrical equivalent to the TLVH431ACLP and is recommended as the primary substitute. Both devices are manufactured by Texas Instruments under the same base product number (TLVH431) and maintain full electrical compatibility across all specified parameters.

Selection between these parts should be based on board-level design requirements:

For through-hole PCB designs or applications requiring through-hole mounting technology, the TLVH431ACLP remains the appropriate choice while inventory is available under Last Time Buy status.

For surface-mount PCB designs or new designs prioritizing modern manufacturing processes, the TLVH431ACDBZR is the recommended selection. This part carries Active product status, ensuring long-term availability and supply chain stability. Both parts maintain ROHS3 compliance and equivalent regulatory certifications (EAR99, REACH Unaffected).

Frequently Asked Questions (FAQ)

Q: Can the TLVH431ACDBZR directly replace the TLVH431ACLP in existing designs?

A: Electrical substitution is complete. The TLVH431ACDBZR provides identical voltage reference performance, output current capability, and tolerance specifications. However, physical substitution requires PCB redesign due to different mounting technologies (through-hole versus surface-mount) and package footprints (TO-92-3 versus SOT-23-3).

Q: What is the primary reason to transition from TLVH431ACLP to TLVH431ACDBZR?

A: The TLVH431ACLP is in Last Time Buy status, indicating limited future availability. The TLVH431ACDBZR maintains Active product status, providing assured long-term supply and manufacturing continuity.

Q: Are there any electrical performance differences between these parts?

A: No. Both parts share identical electrical specifications: 1.24V minimum output, 18V maximum output, 70mA output current, ±1% tolerance, 100µA cathode current, and 0°C to 70°C operating temperature range.

Q: What packaging considerations apply to substitution?

A: The TLVH431ACLP uses a three-pin TO-92-3 through-hole package suitable for traditional PCB assembly. The TLVH431ACDBZR uses a three-pin SOT-23-3 surface-mount package optimized for automated assembly. Pin functionality remains equivalent, but board layout and assembly processes differ.

Q: Do both parts meet the same compliance standards?

A: Yes. Both the TLVH431ACLP and TLVH431ACDBZR are ROHS3 compliant, REACH unaffected, and classified under ECCN EAR99 with identical HTSUS coding (8542.39.0001).