MCR03EZPFX1430 Equivalent & Substitute Parts

Part Overview

The MCR03EZPFX1430 is a 143 Ohms ±1% 0.1W chip resistor in 0603 (1608 Metric) package manufactured by Rohm Semiconductor. This thick film resistor meets automotive AEC-Q200 qualification standards and operates across -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

MCR03EZPFX1430

Rohm SemiconductorIn Stock: 1076MCR03EZPFX1430 Datasheet

Current PartRFQ

CRCW0603143RFKEA

Vishay DaleIn Stock: 30256CRCW0603143RFKEA Datasheet

DirectRFQ

ERJ-3EKF1430V

Panasonic Electronic ComponentsIn Stock: 12957ERJ-3EKF1430V Datasheet

DirectRFQ

RMCF0603FT143R

Stackpole Electronics IncIn Stock: 5041RMCF0603FT143R Datasheet

DirectRFQ

RC0603FR-07143RL

YAGEOIn Stock: 5822RC0603FR-07143RL Datasheet

SimilarRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitution for MCR03EZPFX1430 is determined by strict equivalence across the following parameters: resistance value (143 Ohms), tolerance (±1%), power rating (0.1W), package type (0603), composition (thick film), temperature coefficient (±100ppm/°C), and operating temperature range (-55°C to 155°C). All substitute parts listed maintain these core electrical and mechanical specifications, ensuring functional interchangeability in automotive and industrial applications.

The substitute parts are grouped into two categories:

Direct Substitutes maintain full AEC-Q200 automotive qualification: CRCW0603143RFKEA (Vishay Dale), ERJ-3EKF1430V (Panasonic Electronic Components), and RMCF0603FT143R (Stackpole Electronics Inc).

Similar Substitute meets the same electrical specifications with moisture-resistant composition but without explicit AEC-Q200 rating: RC0603FR-07143RL (YAGEO).

Parameter Comparison

Engineering Selection Recommendations

For applications requiring strict automotive qualification compliance, select from the direct substitutes: CRCW0603143RFKEA, ERJ-3EKF1430V, or RMCF0603FT143R. All three maintain AEC-Q200 certification and are currently in active production status with substantial inventory availability.

CRCW0603143RFKEA (Vishay Dale) offers the highest inventory level at 30,225 pieces and is suitable for high-volume production requirements.

ERJ-3EKF1430V (Panasonic Electronic Components) provides 12,921 pieces in stock and represents a reliable alternative from an established automotive component supplier.

RMCF0603FT143R (Stackpole Electronics Inc) maintains 4,968 pieces in inventory and is appropriate for applications where Stackpole qualification is preferred.

RC0603FR-07143RL (YAGEO) is suitable only for non-automotive applications or where moisture-resistant composition is specifically required without AEC-Q200 certification. This part should not be used as a substitute in automotive circuits requiring AEC-Q200 compliance.

Frequently Asked Questions (FAQ)

Q: Can RC0603FR-07143RL replace MCR03EZPFX1430 in automotive applications?

A: No. RC0603FR-07143RL lacks AEC-Q200 automotive qualification. Use only CRCW0603143RFKEA, ERJ-3EKF1430V, or RMCF0603FT143R for automotive circuits.

Q: Are all substitute parts physically compatible with the original PCB layout?

A: Yes. All substitute parts use the 0603 (1608 Metric) package with identical termination count (2) and are mechanically compatible with existing PCB designs. Minor dimensional variations (length and height within 0.002" to 0.004") do not affect assembly or functionality.

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

A: Direct substitutes (CRCW0603143RFKEA, ERJ-3EKF1430V, RMCF0603FT143R) maintain full AEC-Q200 automotive qualification. The similar substitute (RC0603FR-07143RL) meets electrical specifications but is rated for moisture resistance only, without automotive certification.

Q: Do all substitute parts meet ROHS3 compliance?

A: Yes. All listed substitute parts are ROHS3 compliant and REACH unaffected, matching the environmental compliance of the original MCR03EZPFX1430.

Q: Which substitute offers the best availability?

A: CRCW0603143RFKEA (Vishay Dale) provides the highest inventory at 30,225 pieces, making it the preferred choice for immediate procurement and high-volume applications.