MCR03EZPFX4533 Equivalent & Substitute Parts

Part Overview

The MCR03EZPFX4533 is a 453 kOhms ±1% 0.1W thick film chip resistor in 0603 (1608 Metric) package manufactured by Rohm Semiconductor. This component is rated for automotive applications under AEC-Q200 standard with an operating temperature range of -55°C to 155°C. The part is currently discontinued at DiGi Electronics, making equivalent substitutes necessary for ongoing production and maintenance applications.

Substiute Parts

MCR03EZPFX4533

Rohm SemiconductorIn Stock: 850MCR03EZPFX4533 Datasheet

Current PartRFQ

CRCW0603453KFKEA

Vishay DaleIn Stock: 24061CRCW0603453KFKEA Datasheet

DirectRFQ

ERJ-3EKF4533V

Panasonic Electronic ComponentsIn Stock: 188299ERJ-3EKF4533V Datasheet

DirectRFQ

RMCF0603FT453K

Stackpole Electronics IncIn Stock: 9959RMCF0603FT453K Datasheet

DirectRFQ

CR0603-FX-4533ELF

Bourns Inc.In Stock: 8813CR0603-FX-4533ELF Datasheet

SimilarRFQ

RC0603FR-07453KL

YAGEOIn Stock: 2237RC0603FR-07453KL Datasheet

SimilarRFQ

RC1608F4533CS

Samsung Electro-MechanicsIn Stock: 2282RC1608F4533CS Datasheet

SimilarRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitution for the MCR03EZPFX4533 is determined by strict equivalence across the following parameters: resistance value (453 kOhms), tolerance (±1%), power rating (0.1W), package type (0603), composition (thick film), temperature coefficient (±100ppm/°C), operating temperature range (-55°C to 155°C), and compliance certifications (ROHS3, REACH Unaffected, EAR99).

Substitute parts are grouped into two categories:

Direct Substitutes maintain full automotive AEC-Q200 certification and identical electrical specifications. These parts are interchangeable without design modification.

Similar Substitutes meet all electrical and mechanical specifications but feature moisture-resistant construction instead of automotive AEC-Q200 rating. These parts are suitable for applications where automotive qualification is not mandatory.

Parameter Comparison

Engineering Selection Recommendations

For applications requiring automotive AEC-Q200 certification, select from the direct substitutes: CRCW0603453KFKEA (Vishay Dale), ERJ-3EKF4533V (Panasonic Electronic Components), or RMCF0603FT453K (Stackpole Electronics Inc). All three maintain identical electrical specifications and compliance certifications to the original MCR03EZPFX4533.

For non-automotive applications where AEC-Q200 certification is not required, moisture-resistant alternatives CR0603-FX-4533ELF (Bourns Inc.), RC0603FR-07453KL (YAGEO), or RC1608F4533CS (Samsung Electro-Mechanics) are suitable. These parts meet all electrical and mechanical requirements while offering active product status and established supply availability.

All substitute parts are ROHS3 compliant, REACH unaffected, and classified as EAR99 for export purposes, matching the compliance profile of the original component.

Frequently Asked Questions (FAQ)

Q: Can I use a moisture-resistant substitute in place of an AEC-Q200 rated part?

A: Moisture-resistant substitutes meet all electrical and mechanical specifications but lack automotive AEC-Q200 certification. Use these only in applications where automotive qualification is not a design requirement.

Q: Are all substitute parts pin-compatible with the MCR03EZPFX4533?

A: Yes. All listed substitutes use the 0603 (1608 Metric) package with 2 terminations, ensuring mechanical and electrical compatibility on the PCB.

Q: What is the difference between direct and similar substitutes?

A: Direct substitutes (CRCW0603453KFKEA, ERJ-3EKF4533V, RMCF0603FT453K) carry AEC-Q200 automotive certification identical to the original part. Similar substitutes (CR0603-FX-4533ELF, RC0603FR-07453KL, RC1608F4533CS) feature moisture-resistant construction without automotive qualification.

Q: Do dimensional variations between substitutes affect PCB assembly?

A: All substitutes conform to the 0603 package standard. Minor dimensional variations (length 1.55mm to 1.60mm, height 0.50mm to 0.55mm) fall within standard PCB design tolerances and do not affect assembly or functionality.

Q: Which substitute offers the best supply availability?

A: ERJ-3EKF4533V (Panasonic Electronic Components) provides the highest inventory level at 188,283 pieces, followed by CRCW0603453KFKEA (Vishay Dale) at 23,983 pieces.