MC33901SEF Equivalent & Substitute Parts

Part Overview

The MC33901SEF is a 1/1 CANbus transceiver IC manufactured by NXP USA Inc., housed in an 8-SOIC surface mount package. This component is classified as obsolete, with 2,200 units currently in stock. The part operates within a supply voltage range of 4.5V to 5.5V and supports operating temperatures from -40°C to 125°C. Due to its obsolete status, identifying equivalent and substitute parts is essential for ongoing system support, design updates, and long-term component availability.

Substiute Parts

MC33901SEF

NXP USA Inc.In Stock: 2287MC33901SEF Datasheet

Current PartRFQ

TJA1049T/3J

NXP USA Inc.In Stock: 3439TJA1049T/3J Datasheet

MFR RecommendedRFQ

HI-3001PSHF

Holt Integrated Circuits Inc.In Stock: 3718HI-3001PSHF Datasheet

MFR RecommendedRFQ

MAX3059ASA+

Analog Devices Inc./Maxim IntegratedIn Stock: 2231MAX3059ASA+ Datasheet

MFR RecommendedRFQ

MCP2562FD-E/SN

Microchip TechnologyIn Stock: 9596MCP2562FD-E/SN Datasheet

MFR RecommendedRFQ

MCP2562FD-H/SN

Microchip TechnologyIn Stock: 52580MCP2562FD-H/SN Datasheet

MFR RecommendedRFQ

MCP2562FDT-E/SN

Microchip TechnologyIn Stock: 15689MCP2562FDT-E/SN Datasheet

MFR RecommendedRFQ

MCP2562FDT-H/SN

Microchip TechnologyIn Stock: 4457MCP2562FDT-H/SN Datasheet

MFR RecommendedRFQ

NCV7342D13R2G

onsemiIn Stock: 6431NCV7342D13R2G Datasheet

MFR RecommendedRFQ

NCV7349D13R2G

onsemiIn Stock: 6391NCV7349D13R2G Datasheet

MFR RecommendedRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitution eligibility for the MC33901SEF is determined by the following critical parameters:

• Protocol Compatibility: All substitute parts must support CANbus protocol
• Driver/Receiver Configuration: 1/1 transceiver architecture required
• Package Compatibility: 8-SOIC (0.154", 3.90mm Width) surface mount package
• Voltage Supply Range: Minimum overlap with 4.5V ~ 5.5V operating range
• Operating Temperature Range: Support for -40°C minimum and 125°C maximum
• Mounting Type: Surface mount technology only

Substitute parts are grouped into two categories based on duplex mode: full-duplex and half-duplex transceivers. Full-duplex parts maintain identical electrical characteristics to the original. Half-duplex parts offer functional equivalence with modified transceiver architecture but maintain core CANbus protocol compatibility and package specifications.

Parameter Comparison

Engineering Selection Recommendations

Primary Substitutes (Full Compatibility)

The MCP2562 series from Microchip Technology provides the closest functional equivalence to the MC33901SEF. The MCP2562FD-H/SN and MCP2562FDT-H/SN variants extend the operating temperature range to 150°C while maintaining identical voltage supply specifications (4.5V ~ 5.5V) and 8-SOIC packaging. The MCP2562FD-E/SN and MCP2562FDT-E/SN variants maintain the original temperature range (-40°C ~ 125°C). All MCP2562 variants are active products with ROHS3 compliance and higher inventory availability (4,400 to 52,514 units).

The MAX3059ASA+ from Analog Devices Inc./Maxim Integrated is a full-duplex CANbus transceiver that matches the original voltage supply range (4.5V ~ 5.5V) and operating temperature range (-40°C ~ 125°C). This part maintains identical electrical operating parameters and is actively produced.

Secondary Substitutes (Functional Equivalence with Architectural Differences)

Half-duplex CANbus transceivers including the TJA1049T/3J (NXP USA Inc.), NCV7349D13R2G (onsemi), and NCV7342D13R2G (onsemi) provide functional CANbus transceiver capability within the 8-SOIC package. The NCV7342D13R2G maintains the original voltage supply range (4.5V ~ 5.5V) and operating temperature range (-40°C ~ 125°C), making it the most compatible half-duplex option. The TJA1049T/3J and NCV7349D13R2G operate at narrower voltage ranges (4.75V ~ 5.25V) but support extended temperature ranges to 150°C.

The HI-3001PSHF from Holt Integrated Circuits Inc. operates at 3.3V supply voltage, which falls outside the original 4.5V ~ 5.5V specification and is suitable only for systems with 3.3V logic levels.

All substitute parts maintain ROHS3 compliance and are actively produced, ensuring long-term availability and supply chain continuity.

Frequently Asked Questions (FAQ)

Q: Can the MCP2562 series directly replace the MC33901SEF without PCB modifications?

A: Yes. The MCP2562 series maintains identical 8-SOIC pinout and voltage supply specifications (4.5V ~ 5.5V). Pin-for-pin compatibility is confirmed. No PCB layout changes are required.

Q: What is the difference between full-duplex and half-duplex CANbus transceivers?

A: Full-duplex transceivers (MAX3059ASA+) support simultaneous transmission and reception on separate channels. Half-duplex transceivers (TJA1049T/3J, NCV7349D13R2G, NCV7342D13R2G) support transmission and reception on a single channel in alternating fashion. The MC33901SEF duplex mode is not specified in the provided data; system requirements determine which architecture is appropriate.

Q: Are there packaging differences between MCP2562FD and MCP2562FDT variants?

A: Both variants use 8-SOIC packaging. The primary difference is packaging format: MCP2562FD variants are supplied in Tube packaging, while MCP2562FDT variants are supplied in Cut Tape (CT) & Digi-Reel® format. Electrical specifications are identical.

Q: Which substitute part offers the widest operating temperature range?

A: The HI-3001PSHF supports -55°C to 175°C, the widest range among all listed parts. However, this part operates at 3.3V supply voltage, which is incompatible with the original 4.5V ~ 5.5V specification. Among parts compatible with the original voltage range, the MCP2562FD-H/SN and MCP2562FDT-H/SN extend to 150°C.

Q: Is the NCV7349D13R2G automotive-qualified?

A: Yes. The NCV7349D13R2G carries AEC-Q100 automotive qualification and is suitable for automotive applications. The NCV7342D13R2G also carries AEC-Q100 qualification.

Q: What inventory levels are available for active substitutes?

A: Microchip MCP2562 variants offer the highest inventory: MCP2562FD-H/SN (52,514 units), MCP2562FDT-E/SN (15,620 units), MCP2562FD-E/SN (9,538 units), and MCP2562FDT-H/SN (4,400 units). onsemi NCV variants offer 6,300 to 6,358 units. NXP TJA1049T/3J offers 3,400 units. MAX3059ASA+ and HI-3001PSHF each offer 2,200 and 3,700 units respectively.