MCR03EZPFX4303 Equivalent & Substitute Parts

Part Overview

The MCR03EZPFX4303 is a 430 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, necessitating identification of equivalent alternatives from active manufacturers that maintain identical electrical and mechanical specifications.

Substiute Parts

MCR03EZPFX4303

Rohm SemiconductorIn Stock: 995MCR03EZPFX4303 Datasheet

Current PartRFQ

CRCW0603430KFKEA

Vishay DaleIn Stock: 5361CRCW0603430KFKEA Datasheet

DirectRFQ

ERJ-3EKF4303V

Panasonic Electronic ComponentsIn Stock: 53668ERJ-3EKF4303V Datasheet

DirectRFQ

RMCF0603FT430K

Stackpole Electronics IncIn Stock: 8822RMCF0603FT430K Datasheet

DirectRFQ

RC0603FR-07430KL

YAGEOIn Stock: 135749RC0603FR-07430KL Datasheet

SimilarRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitution eligibility for the MCR03EZPFX4303 is determined by strict equivalence across the following parameters: resistance value (430 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 RoHS3 compliance. Parts meeting all these criteria are classified as direct substitutes. The YAGEO RC0603FR-07430KL is classified as a similar substitute due to its moisture-resistant feature designation rather than automotive AEC-Q200 rating, though it maintains all core electrical and mechanical parameters.

Parameter Comparison

Engineering Selection Recommendations

CRCW0603430KFKEA (Vishay Dale), ERJ-3EKF4303V (Panasonic Electronic Components), and RMCF0603FT430K (Stackpole Electronics Inc) are direct substitutes for the MCR03EZPFX4303. All three maintain AEC-Q200 automotive qualification, identical electrical specifications, and ROHS3 compliance. These parts are currently in active production status with substantial inventory availability.

RC0603FR-07430KL (YAGEO) is a similar substitute that meets all core electrical and mechanical requirements with ROHS3 compliance and active product status. This part is designated as moisture-resistant rather than automotive-rated, representing a functional alternative where automotive qualification is not a mandatory requirement.

Frequently Asked Questions (FAQ)

Q: Can CRCW0603430KFKEA replace MCR03EZPFX4303 in automotive applications? A: Yes. CRCW0603430KFKEA maintains identical resistance, tolerance, power rating, package, temperature coefficient, operating temperature range, and AEC-Q200 automotive qualification as the original part.

Q: What is the difference between the direct substitutes and RC0603FR-07430KL? A: CRCW0603430KFKEA, ERJ-3EKF4303V, and RMCF0603FT430K carry AEC-Q200 automotive ratings. RC0603FR-07430KL is designated as moisture-resistant without automotive qualification. All four parts share identical electrical specifications and 0603 package compatibility.

Q: Are there physical dimension differences between these substitutes? A: Minor variations exist within tolerance. MCR03EZPFX4303, ERJ-3EKF4303V, and RC0603FR-07430KL measure 0.063" L x 0.031" W (1.60mm x 0.80mm). CRCW0603430KFKEA measures 0.061" L x 0.033" W (1.55mm x 0.85mm). RMCF0603FT430K measures 0.061" L x 0.031" W (1.55mm x 0.80mm). All variants fit standard 0603 PCB footprints.

Q: Which substitute has the highest inventory availability? A: RC0603FR-07430KL (YAGEO) has 135,645 pieces in stock. ERJ-3EKF4303V (Panasonic) has 53,600 pieces. RMCF0603FT430K (Stackpole) has 8,799 pieces. CRCW0603430KFKEA (Vishay Dale) has 5,300 pieces.

Q: Are all substitutes RoHS3 compliant? A: Yes. All listed substitutes maintain ROHS3 compliance and REACH unaffected status matching the original MCR03EZPFX4303.