MCR03EZPFX75R0 Equivalent & Substitute Parts

Part Overview

The MCR03EZPFX75R0 is a 75 Ohm ±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

MCR03EZPFX75R0

Rohm SemiconductorIn Stock: 1048MCR03EZPFX75R0 Datasheet

Current PartRFQ

CRCW060375R0FKEA

Vishay DaleIn Stock: 144023CRCW060375R0FKEA Datasheet

DirectRFQ

ERJ-3EKF75R0V

Panasonic Electronic ComponentsIn Stock: 266936ERJ-3EKF75R0V Datasheet

DirectRFQ

RMCF0603FG75R0

Stackpole Electronics IncIn Stock: 1090RMCF0603FG75R0 Datasheet

DirectRFQ

RMCF0603FT75R0

Stackpole Electronics IncIn Stock: 304724RMCF0603FT75R0 Datasheet

DirectRFQ

CR0603-FX-75R0ELF

Bourns Inc.In Stock: 40583CR0603-FX-75R0ELF Datasheet

SimilarRFQ

RC0603FR-0775RL

YAGEOIn Stock: 5000281RC0603FR-0775RL Datasheet

SimilarRFQ

RCA060375R0FKEA

Vishay DaleIn Stock: 35121RCA060375R0FKEA Datasheet

SimilarRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitution eligibility for the MCR03EZPFX75R0 is determined by strict equivalence across the following parameters: resistance value (75 Ohms), 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 (Automotive AEC-Q200 Rated): Parts meeting all electrical specifications and automotive qualification requirements. These include CRCW060375R0FKEA (Vishay Dale), ERJ-3EKF75R0V (Panasonic), RMCF0603FG75R0 (Stackpole), and RMCF0603FT75R0 (Stackpole). These parts maintain full compatibility with automotive applications requiring AEC-Q200 certification.

Similar Substitutes (Moisture Resistant or Standard Thick Film): Parts meeting all electrical specifications but with alternative feature sets. CR0603-FX-75R0ELF (Bourns) features moisture resistance without automotive certification. RC0603FR-0775RL (YAGEO) and RCA060375R0FKEA (Vishay Dale) provide moisture-resistant or anti-sulfur variants. These parts are suitable for applications where the specific feature set aligns with design requirements.

Parameter Comparison

Engineering Selection Recommendations

For automotive applications requiring AEC-Q200 certification, select from the direct substitute group: CRCW060375R0FKEA, ERJ-3EKF75R0V, RMCF0603FG75R0, or RMCF0603FT75R0. All maintain full compliance with automotive qualification standards and RoHS3 requirements.

RMCF0603FT75R0 (Stackpole) offers the highest inventory availability at 304,630 pieces, supporting high-volume production requirements. ERJ-3EKF75R0V (Panasonic) provides 266,831 pieces with equivalent automotive certification. CRCW060375R0FKEA (Vishay Dale) offers 143,928 pieces and includes anti-sulfur features in the RCA variant (RCA060375R0FKEA) with 35,049 pieces available.

For non-automotive applications or where moisture resistance is prioritized over automotive certification, CR0603-FX-75R0ELF (Bourns) and RC0603FR-0775RL (YAGEO) are suitable alternatives. RC0603FR-0775RL provides exceptional inventory depth at 5,000,200 pieces for high-volume non-automotive applications.

All substitute parts maintain identical electrical specifications, package dimensions, and thermal characteristics within the specified tolerances.

Frequently Asked Questions (FAQ)

Q: Can I use a non-AEC-Q200 rated substitute in an automotive application?

A: No. If your application requires automotive qualification, use only parts with AEC-Q200 certification: CRCW060375R0FKEA, ERJ-3EKF75R0V, RMCF0603FG75R0, RMCF0603FT75R0, or RCA060375R0FKEA. Non-certified parts do not meet automotive standards.

Q: Are all substitute parts physically identical to the MCR03EZPFX75R0?

A: All substitute parts use the 0603 (1608 Metric) package. Physical dimensions vary slightly between manufacturers within tolerance: length ranges from 0.061" to 0.063" (1.55mm to 1.60mm) and height from 0.020" to 0.022" (0.50mm to 0.55mm). These variations are within standard PCB design tolerances and do not affect functionality.

Q: What is the difference between RMCF0603FG75R0 and RMCF0603FT75R0?

A: Both are Stackpole RMCF series 75 Ohm ±1% 0.1W 0603 resistors with identical electrical specifications and AEC-Q200 certification. The primary difference is packaging: FG indicates one packaging variant while FT indicates another. Both are functionally equivalent for circuit applications.

Q: Why does RC0603FR-0775RL have significantly higher inventory than other options?

A: RC0603FR-0775RL is a standard commercial-grade resistor without automotive certification, making it suitable for high-volume consumer and industrial applications. Its widespread availability reflects broader market demand outside automotive sectors.

Q: Can I mix different substitute manufacturers in the same production run?

A: Yes. All substitute parts meet identical electrical specifications (75 Ohms ±1%, 0.1W, ±100ppm/°C, -55°C to 155°C) and package requirements (0603). Mixing manufacturers is acceptable from an electrical and mechanical standpoint. For automotive applications, ensure all selected parts carry AEC-Q200 certification.

Q: What does "Moisture Resistant" mean on CR0603-FX-75R0ELF and RC0603FR-0775RL?

A: Moisture-resistant thick film construction provides enhanced protection against humidity and environmental moisture exposure compared to standard thick film. This feature is beneficial for applications in high-humidity environments but is not a substitute for proper PCB conformal coating or encapsulation in demanding conditions.