MCR03EZPFX12R7 Equivalent & Substitute Parts

Part Overview

The MCR03EZPFX12R7 is a 12.7 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

MCR03EZPFX12R7

Rohm SemiconductorIn Stock: 803MCR03EZPFX12R7 Datasheet

Current PartRFQ

CRCW060312R7FKEA

Vishay DaleIn Stock: 21183CRCW060312R7FKEA Datasheet

DirectRFQ

ERJ-3EKF12R7V

Panasonic Electronic ComponentsIn Stock: 11239ERJ-3EKF12R7V Datasheet

DirectRFQ

RMCF0603FT12R7

Stackpole Electronics IncIn Stock: 9326RMCF0603FT12R7 Datasheet

DirectRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitution eligibility for the MCR03EZPFX12R7 is determined by strict equivalence across the following critical parameters:

• Resistance value: 12.7 Ohms
• Tolerance: ±1%
• Power rating: 0.1W (1/10W)
• Package type: 0603 (1608 Metric)
• Composition: Thick Film
• Temperature coefficient: ±100ppm/°C
• Operating temperature range: -55°C to 155°C
• Automotive qualification: AEC-Q200
• RoHS compliance: ROHS3 Compliant
• Moisture sensitivity: MSL 1

All substitute parts listed meet these exact specifications and are therefore direct functional equivalents suitable for replacement in automotive and industrial applications.

Parameter Comparison

Engineering Selection Recommendations

All three substitute parts—CRCW060312R7FKEA (Vishay Dale), ERJ-3EKF12R7V (Panasonic), and RMCF0603FT12R7 (Stackpole)—are functionally equivalent to the MCR03EZPFX12R7 and maintain active product status with established supply availability. Each substitute carries identical electrical specifications, AEC-Q200 automotive qualification, and ROHS3 compliance.

Selection among substitutes should be based on:

• Supply chain availability and lead times
• Packaging format requirements (all available in Tape & Reel)
• Inventory levels at component distributors
• Established supplier relationships and pricing

Physical dimensions show minor variations within acceptable tolerances for 0603 package applications. All parts are suitable for direct PCB replacement without design modification.

Frequently Asked Questions (FAQ)

Q: Can these substitute parts be used interchangeably with the MCR03EZPFX12R7?

A: Yes. All listed substitutes meet identical electrical and mechanical specifications, including resistance value, tolerance, power rating, package dimensions, temperature range, and automotive qualification. They are direct functional equivalents.

Q: Are there any physical dimension differences between the main part and substitutes?

A: Minor variations exist within the 0603 package specification. The MCR03EZPFX12R7 and ERJ-3EKF12R7V measure 0.063" L × 0.031" W (1.60mm × 0.80mm), while CRCW060312R7FKEA measures 0.061" L × 0.033" W (1.55mm × 0.85mm), and RMCF0603FT12R7 measures 0.061" L × 0.031" W (1.55mm × 0.80mm). All dimensions fall within standard 0603 package tolerances and do not affect PCB placement or functionality.

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

A: AEC-Q200 certification indicates the component meets automotive-grade reliability standards for temperature cycling, moisture resistance, and long-term stability. All listed parts carry this qualification, confirming suitability for automotive applications.

Q: Why is the original MCR03EZPFX12R7 discontinued?

A: Product discontinuation is a normal lifecycle event in component manufacturing. Active substitutes with identical specifications ensure design continuity and production capability.

Q: Are all substitutes available in the same packaging format?

A: Yes. All substitute parts are available in Tape & Reel (TR) packaging, matching the standard supply format for high-volume production applications.

Q: Do these parts require any design changes for substitution?

A: No. All substitutes are pin-compatible, dimensionally equivalent within package tolerances, and electrically identical. Direct PCB replacement is possible without schematic or layout modification.