CD4041UBNSR Equivalent & Substitute Parts

Part Overview

The CD4041UBNSR is a 4-element buffer/line driver IC with complementary outputs, designed for logic-level signal buffering and distribution applications. Manufactured by Texas Instruments as part of the 4000B CMOS logic series, this device operates across a wide supply voltage range of 3V to 18V and supports operating temperatures from -55°C to 125°C.

The CD4041UBNSR carries an Obsolete product status, making it necessary to identify functionally equivalent substitute components for new designs and ongoing production requirements. The device is RoHS3 compliant with unlimited moisture sensitivity rating (MSL 1).

Substiute Parts

CD4041UBNSR

Texas InstrumentsIn Stock: 1070CD4041UBNSR Datasheet

Current PartRFQ

CD4041UBM

Texas InstrumentsIn Stock: 1249CD4041UBM Datasheet

MFR RecommendedRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitution for the CD4041UBNSR is determined by strict equivalence across the following critical parameters:

• Logic function: 4-element buffer/line driver with complementary outputs
• Electrical specifications: 38mA output current (high and low), 3V to 18V supply voltage range, -55°C to 125°C operating temperature
• Package type: 14-pin SOIC surface mount configuration
• Series classification: 4000B CMOS logic family
• Compliance: RoHS3 compliance and MSL 1 rating

The CD4041UBM qualifies as a direct substitute based on identical electrical performance, logic configuration, and functional characteristics. Both devices share the same base product number (CD4041) and maintain full parameter compatibility within the specified operating envelope.

Parameter Comparison

Engineering Selection Recommendations

The CD4041UBM is the qualified substitute for the obsolete CD4041UBNSR. Both devices maintain identical electrical specifications, logic functionality, and compliance certifications (RoHS3, REACH Unaffected, EAR99 classification).

The primary distinction between the two parts is product lifecycle status: the CD4041UBNSR is classified as Obsolete, while the CD4041UBM carries Last Time Buy status, indicating continued but limited availability. Both devices are suitable for applications requiring 4-element complementary output buffering across the 3V to 18V supply range.

Package dimensions differ slightly (5.30mm versus 3.90mm width), but both conform to 14-SOIC surface mount specifications and are electrically and functionally interchangeable. Selection between these parts should prioritize the CD4041UBM for new designs and production continuity, given its extended product lifecycle status.

Frequently Asked Questions (FAQ)

Q: Are the CD4041UBNSR and CD4041UBM electrically interchangeable?

A: Yes. Both devices provide identical electrical performance: 4-element buffer/line driver configuration, 38mA output current capability, 3V to 18V supply voltage range, and -55°C to 125°C operating temperature. They are functionally equivalent for all logic-level buffering applications.

Q: What is the significance of the different package widths (5.30mm vs. 3.90mm)?

A: Both parts use 14-SOIC surface mount packaging. The width variation reflects different manufacturing processes or design revisions within the SOIC standard. Both packages are compatible with standard 14-SOIC PCB footprints and assembly equipment.

Q: Why is the CD4041UBNSR marked as Obsolete?

A: Obsolete status indicates the part is no longer manufactured. The CD4041UBM, classified as Last Time Buy, represents the current production alternative and should be specified for new designs to ensure supply continuity.

Q: Can I use the CD4041UBM as a direct replacement in existing designs?

A: Yes. The CD4041UBM is a direct substitute with identical electrical and functional specifications. No circuit modifications are required for replacement in applications currently using the CD4041UBNSR.

Q: Are both parts RoHS3 compliant?

A: Yes. Both the CD4041UBNSR and CD4041UBM are RoHS3 compliant with MSL 1 (Unlimited) moisture sensitivity rating, meeting current environmental and reliability standards.