MCR03EZPFX5102 Equivalent & Substitute Parts

Part Overview

The MCR03EZPFX5102 is a 51 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

MCR03EZPFX5102

Rohm SemiconductorIn Stock: 10472MCR03EZPFX5102 Datasheet

Current PartRFQ

CRCW060351K0FKEA

Vishay DaleIn Stock: 75117CRCW060351K0FKEA Datasheet

DirectRFQ

ERJ-3EKF5102V

Panasonic Electronic ComponentsIn Stock: 638662ERJ-3EKF5102V Datasheet

DirectRFQ

RMCF0603FT51K0

Stackpole Electronics IncIn Stock: 198654RMCF0603FT51K0 Datasheet

DirectRFQ

AC0603FR-0751KL

YAGEOIn Stock: 67561AC0603FR-0751KL Datasheet

SimilarRFQ

CR0603-FX-5102ELF

Bourns Inc.In Stock: 126749CR0603-FX-5102ELF Datasheet

SimilarRFQ

RC0603FR-0751KL

YAGEOIn Stock: 1466391RC0603FR-0751KL Datasheet

SimilarRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitution for the MCR03EZPFX5102 is determined by strict equivalence across the following parameters: resistance value (51 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 (AEC-Q200, ROHS3, REACH Unaffected).

The substitute parts are grouped into two categories:

Direct Substitutes maintain all electrical and mechanical specifications identical to the original part:

• CRCW060351K0FKEA (Vishay Dale)
• ERJ-3EKF5102V (Panasonic Electronic Components)
• RMCF0603FT51K0 (Stackpole Electronics Inc)

Similar Substitutes meet all core electrical and mechanical requirements with minor variations in physical dimensions or additional features:

• AC0603FR-0751KL (YAGEO) — includes moisture resistant feature
• CR0603-FX-5102ELF (Bourns Inc.) — includes moisture resistant feature
• RC0603FR-0751KL (YAGEO) — includes moisture resistant feature

Parameter Comparison

Engineering Selection Recommendations

For applications requiring strict AEC-Q200 automotive compliance, select from the direct substitutes: CRCW060351K0FKEA, ERJ-3EKF5102V, or RMCF0603FT51K0. All three maintain active product status with full automotive certification and ROHS3 compliance.

For non-automotive applications or where moisture resistance is a design requirement, AC0603FR-0751KL and RC0603FR-0751KL from YAGEO provide equivalent electrical performance with enhanced moisture resistance. CR0603-FX-5102ELF from Bourns Inc. also offers moisture resistance but lacks AEC-Q200 certification.

All substitute parts are currently in active production status, ensuring long-term availability and supply chain stability compared to the discontinued MCR03EZPFX5102.

Frequently Asked Questions (FAQ)

Q: Can I use any of these substitutes interchangeably with the MCR03EZPFX5102?

A: Direct substitutes (CRCW060351K0FKEA, ERJ-3EKF5102V, RMCF0603FT51K0) are electrically and mechanically equivalent and can be used interchangeably. Similar substitutes (AC0603FR-0751KL, CR0603-FX-5102ELF, RC0603FR-0751KL) meet all core specifications but include additional features such as moisture resistance.

Q: What is the significance of AEC-Q200 certification?

A: AEC-Q200 certification indicates the component meets automotive industry reliability and quality standards. For automotive applications, select substitutes with AEC-Q200 rating: CRCW060351K0FKEA, ERJ-3EKF5102V, RMCF0603FT51K0, or AC0603FR-0751KL.

Q: Are there physical dimension differences between substitutes?

A: Minor variations exist in length and height dimensions across manufacturers. CRCW060351K0FKEA measures 0.061" L x 0.033" W with 0.020" max height, while most others measure 0.063" L x 0.031" W with 0.022" max height. These variations remain within 0603 package specifications and do not affect PCB footprint compatibility.

Q: Which substitute has the highest inventory availability?

A: RC0603FR-0751KL from YAGEO has the highest reported inventory at 1,466,303 pieces, followed by ERJ-3EKF5102V from Panasonic at 638,579 pieces.

Q: What does MSL 1 (Unlimited) mean?

A: Moisture Sensitivity Level 1 indicates the component has unlimited shelf life and requires no special moisture control during storage or handling, making it suitable for standard manufacturing environments.