BCR402UE6433HTMA1 Equivalent & Substitute Parts

Part Overview

The BCR402UE6433HTMA1 is a linear LED driver IC manufactured by Infineon Technologies, designed for single-output constant current applications in automotive lighting systems. This surface-mount device operates across a 1.4V to 40V supply range with a 65mA output current capability and is qualified to AEC-Q101 automotive standards. The part is currently in active production status with robust inventory availability. Substitute parts are identified to provide design flexibility for applications requiring alternative current ratings, package configurations, or supply voltage ranges while maintaining functional equivalence in LED driver topology and automotive-grade reliability.

Substiute Parts

BCR402UE6433HTMA1

Infineon TechnologiesIn Stock: 11251BCR402UE6433HTMA1 Datasheet

Current PartRFQ

LM3466TA/NOPB

Texas InstrumentsIn Stock: 1394LM3466TA/NOPB Datasheet

MFR RecommendedRFQ

NCR401UX

Nexperia USA Inc.In Stock: 17026NCR401UX Datasheet

MFR RecommendedRFQ

NCR402UX

Nexperia USA Inc.In Stock: 4701NCR402UX Datasheet

MFR RecommendedRFQ

NCR405UX

Nexperia USA Inc.In Stock: 1958NCR405UX Datasheet

MFR RecommendedRFQ

NSV45025AT1G

onsemiIn Stock: 4158NSV45025AT1G Datasheet

MFR RecommendedRFQ

TL4242DRJR

Texas InstrumentsIn Stock: 35333TL4242DRJR Datasheet

MFR RecommendedRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitution logic for the BCR402UE6433HTMA1 is determined by the following critical parameters: single output configuration, linear topology with internal switching capability, automotive-grade qualification (AEC-Q101), surface-mount packaging compatibility, and output current rating. Substitute parts are grouped into two categories based on functional equivalence:

Category 1: Direct Substitutes (SC-74/SOT-457 Package, Automotive Grade) Parts NCR401UX, NCR402UX, and NCR405UX are Nexperia linear LED drivers in identical SC-74/SOT-457 packaging with AEC-Q101 qualification. These parts differ in output current ratings (10mA, 20mA, and 50mA respectively) and are suitable for applications where the BCR402UE6433HTMA1's 65mA output is not required or where lower current operation is preferred.

Category 2: Functional Equivalents (Alternative Packages, Extended Current Range) Parts LM3466TA/NOPB (Texas Instruments, TO-220-7, 1.5A switch current) and TL4242DRJR (Texas Instruments, 8-SON, 500mA output) provide linear LED driver functionality with higher current capabilities in alternative package configurations. NSV45025AT1G (onsemi, SOD-123) is a current regulator with 25mA output suitable for lower-power LED applications.

All substitute parts maintain: single output configuration, linear topology, internal switching capability, automotive-grade status, RoHS3 compliance, and MSL 1 rating (except TL4242DRJR with MSL 3).

Parameter Comparison

Engineering Selection Recommendations

For Automotive Applications with AEC-Q101 Requirement: NCR401UX, NCR402UX, and NCR405UX are direct substitutes maintaining identical SC-74/SOT-457 packaging, automotive-grade qualification, and AEC-Q101 certification. Selection among these three depends on required output current: 10mA (NCR401UX), 20mA (NCR402UX), or 50mA (NCR405UX). All three maintain the same maximum supply voltage (40V) and operating temperature range (-55°C to 150°C TA) as the BCR402UE6433HTMA1.

For Higher Current Applications: TL4242DRJR (Texas Instruments) provides 500mA output current in 8-SON packaging with extended supply voltage to 42V. This part is suitable for applications requiring higher LED current but does not carry automotive-grade designation or AEC-Q101 qualification. MSL rating is 3 (168 hours) versus MSL 1 for the main part.

For Extended Supply Voltage Range: LM3466TA/NOPB (Texas Instruments) supports supply voltages up to 70V with 1.5A switch current capability in TO-220-7 through-hole packaging. This part is not automotive-grade and operates to 125°C maximum junction temperature.

For Low-Power LED Applications: NSV45025AT1G (onsemi) is a current regulator with 25mA output in SOD-123 package, maintaining automotive-grade status and AEC-Q101 qualification. This part is suitable for minimal LED current applications where the BCR402UE6433HTMA1's 65mA capability exceeds system requirements.

Frequently Asked Questions (FAQ)

Q: Can NCR401UX, NCR402UX, or NCR405UX be used as direct pin-for-pin replacements for BCR402UE6433HTMA1? A: Yes. All three Nexperia parts use identical SC-74/SOT-457 packaging and are designed as direct substitutes. Pin compatibility is maintained across the NCR series. Selection depends on required output current rating: 10mA, 20mA, or 50mA respectively.

Q: What is the primary difference between the BCR402UE6433HTMA1 and the NCR405UX? A: The BCR402UE6433HTMA1 provides 65mA output current, while NCR405UX provides 50mA. Both maintain identical packaging, automotive qualification, and supply voltage range (maximum 40V). The NCR405UX is suitable for applications requiring lower LED current.

Q: Are TL4242DRJR and LM3466TA/NOPB suitable for automotive applications? A: TL4242DRJR and LM3466TA/NOPB are not automotive-grade parts and do not carry AEC-Q101 qualification. These parts are suitable for industrial or consumer applications only. For automotive applications, use NCR401UX, NCR402UX, NCR405UX, or NSV45025AT1G.

Q: What is the significance of the MSL 3 rating on TL4242DRJR? A: MSL 3 indicates a moisture sensitivity level requiring storage at controlled humidity for up to 168 hours before soldering. The BCR402UE6433HTMA1 and most substitute parts have MSL 1 (unlimited shelf life). TL4242DRJR requires more stringent moisture control during manufacturing.

Q: Can NSV45025AT1G replace the BCR402UE6433HTMA1 in all applications? A: NSV45025AT1G is a current regulator with 25mA output, significantly lower than the BCR402UE6433HTMA1's 65mA. It is suitable only for low-power LED applications. For equivalent or higher current capability, use NCR405UX (50mA) or TL4242DRJR (500mA).

Q: What supply voltage range should be considered when selecting a substitute? A: The BCR402UE6433HTMA1 operates from 1.4V to 40V. NCR401UX, NCR402UX, and NCR405UX maintain the same 40V maximum. TL4242DRJR extends to 42V, and LM3466TA/NOPB extends to 70V. Verify system supply voltage compatibility before selection.

Q: Are all substitute parts RoHS3 compliant? A: Yes. All listed substitute parts (NCR401UX, NCR402UX, NCR405UX, NSV45025AT1G, TL4242DRJR, and LM3466TA/NOPB) are ROHS3 compliant, matching the BCR402UE6433HTMA1 environmental compliance status.