TLVH431BCDCKT Equivalent & Substitute Parts

Part Overview

The TLVH431BCDCKT is an adjustable shunt voltage reference IC manufactured by Texas Instruments, designed for precision voltage regulation applications in power management circuits. This component operates with a fixed output voltage of 1.24V and supports adjustable output up to 18V with ±0.5% tolerance, delivering up to 70mA output current in a compact SC-70-6 surface mount package. The part is currently in active production status with 973 units available in inventory. Substitute parts are identified when equivalent electrical performance can be achieved within the specified parameter ranges while maintaining functional compatibility in target applications.

Substiute Parts

TLVH431BCDCKT

Texas InstrumentsIn Stock: 1005TLVH431BCDCKT Datasheet

Current PartRFQ

TLVH431AICT

STMicroelectronicsIn Stock: 20394TLVH431AICT Datasheet

MFR RecommendedRFQ

TLVH431LICT

STMicroelectronicsIn Stock: 3326TLVH431LICT Datasheet

MFR RecommendedRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitute parts for the TLVH431BCDCKT are qualified based on the following electrical and mechanical parameters:

Core Compatibility Criteria:

• Reference Type: Shunt (fixed requirement)
• Output Type: Adjustable (fixed requirement)
• Voltage - Output (Min/Fixed): 1.24V (fixed requirement)
• Voltage - Output (Max): 18V (fixed requirement)
• Tolerance: ±0.5% or wider (acceptable range)
• Package / Case: 6-TSSOP, SC-88, SOT-363 (mechanical compatibility)
• Product Status: Active (availability requirement)
• RoHS Status: ROHS3 Compliant (regulatory requirement)

Allowable Parameter Variations:

• Current - Output: 60mA or higher (substitutes with 60mA are acceptable as they meet minimum circuit requirements)
• Current - Cathode: 200µA acceptable (higher than original 100µA)
• Operating Temperature: Extended range acceptable (-40°C ~ 125°C exceeds 0°C ~ 70°C requirement)
• Tolerance: ±1.5% acceptable for applications not requiring ±0.5% precision

The identified substitute parts maintain electrical equivalence within these defined parameters while offering alternative sourcing options and extended operational characteristics.

Parameter Comparison

Engineering Selection Recommendations

TLVH431AICT Selection Criteria: This substitute maintains ±0.5% tolerance matching the original specification and provides extended operating temperature range (-40°C ~ 125°C). Output current is reduced to 60mA, which is acceptable for applications not requiring the full 70mA capability. Significantly higher inventory availability (20300 units) supports supply chain continuity. Compliance certifications (ROHS3, REACH Unaffected, EAR99) are equivalent to the main part.

TLVH431LICT Selection Criteria: This substitute offers extended operating temperature range (-40°C ~ 125°C) and higher inventory availability (3280 units) compared to the main part. Tolerance specification is ±1.5%, which is wider than the original ±0.5%. This part is suitable for applications where ±1.5% voltage reference accuracy is acceptable. Output current specification matches TLVH431AICT at 60mA. Compliance certifications remain equivalent.

Selection Logic: Choose TLVH431AICT when ±0.5% tolerance precision is required and supply chain flexibility is prioritized. Choose TLVH431LICT when tolerance relaxation to ±1.5% is acceptable and cost optimization is a secondary consideration. Both substitutes maintain active product status and full regulatory compliance.

Frequently Asked Questions (FAQ)

Q: Can TLVH431AICT replace TLVH431BCDCKT in all applications? A: TLVH431AICT is electrically equivalent for applications where 60mA output current is sufficient. The ±0.5% tolerance matches the original specification. Verify that your circuit design does not require the full 70mA output current capability before substitution.

Q: What is the difference between TLVH431AICT and TLVH431LICT? A: Both parts share identical electrical characteristics except for tolerance specification. TLVH431AICT maintains ±0.5% tolerance, while TLVH431LICT has ±1.5% tolerance. Select based on your voltage reference accuracy requirements.

Q: Are the package dimensions identical between SC-70-6 and SOT-323-6L? A: Both packages are classified within the 6-TSSOP, SC-88, SOT-363 family and are mechanically compatible for surface mount applications. Verify PCB footprint compatibility with your design documentation before assembly.

Q: Does the extended operating temperature range of substitute parts affect circuit performance? A: The substitute parts operate from -40°C ~ 125°C compared to the original 0°C ~ 70°C range. This extended range does not negatively impact performance within your specified operating conditions. Temperature coefficient specification (100ppm/°C) is provided for the substitutes to support thermal analysis if required.

Q: Is inventory availability a factor in part selection? A: Inventory levels are provided for reference. TLVH431AICT offers significantly higher availability (20300 units) compared to TLVH431BCDCKT (973 units), which may support extended production schedules or reduce lead time risk.

Q: Are all parts RoHS3 compliant? A: Yes. TLVH431BCDCKT, TLVH431AICT, and TLVH431LICT are all ROHS3 Compliant with MSL rating of 1 (Unlimited), ensuring regulatory compliance and moisture handling consistency across all options.