MCR03EZPFX1540 Equivalent & Substitute Parts

Part Overview

The MCR03EZPFX1540 is a 154 Ohms ±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 that maintain identical electrical and mechanical specifications for seamless circuit board integration.

Substiute Parts

MCR03EZPFX1540

Rohm SemiconductorIn Stock: 1073MCR03EZPFX1540 Datasheet

Current PartRFQ

CRCW0603154RFKEA

Vishay DaleIn Stock: 27072CRCW0603154RFKEA Datasheet

DirectRFQ

ERJ-3EKF1540V

Panasonic Electronic ComponentsIn Stock: 38352ERJ-3EKF1540V Datasheet

DirectRFQ

RMCF0603FT154R

Stackpole Electronics IncIn Stock: 4255RMCF0603FT154R Datasheet

DirectRFQ

CR0603-FX-1540ELF

Bourns Inc.In Stock: 25030CR0603-FX-1540ELF Datasheet

SimilarRFQ

RC0603FR-07154RL

YAGEOIn Stock: 102827RC0603FR-07154RL Datasheet

SimilarRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitute parts for the MCR03EZPFX1540 are selected based on strict equivalence across the following critical parameters:

• Resistance value: 154 Ohms
• Tolerance: ±1%
• Power rating: 0.1W (1/10W)
• Package: 0603 (1608 Metric)
• Composition: Thick Film
• Temperature coefficient: ±100ppm/°C
• Operating temperature range: -55°C to 155°C
• RoHS3 compliance
• MSL rating: 1 (Unlimited)

Parts are categorized as Direct Manufacturer Substitutes when all electrical and mechanical parameters match exactly, and as Similar Substitutes when minor dimensional variations exist within acceptable tolerances while maintaining full functional equivalence.

Parameter Comparison

Engineering Selection Recommendations

For applications requiring AEC-Q200 automotive qualification, direct substitutes are CRCW0603154RFKEA (Vishay Dale), ERJ-3EKF1540V (Panasonic Electronic Components), and RMCF0603FT154R (Stackpole Electronics Inc). All three maintain identical electrical specifications, automotive ratings, and RoHS3 compliance with the original MCR03EZPFX1540.

CR0603-FX-1540ELF (Bourns Inc.) and RC0603FR-07154RL (YAGEO) are functionally equivalent in electrical performance and package dimensions but lack AEC-Q200 automotive certification. These parts are suitable for non-automotive applications or where automotive qualification is not required.

Selection should prioritize parts with active product status and adequate inventory availability. CRCW0603154RFKEA offers the highest inventory level among AEC-Q200 rated alternatives at 26,986 pieces.

Frequently Asked Questions (FAQ)

Q: Can CR0603-FX-1540ELF or RC0603FR-07154RL be used as direct replacements in automotive applications?

A: CR0603-FX-1540ELF and RC0603FR-07154RL are electrically and mechanically equivalent to MCR03EZPFX1540 but lack AEC-Q200 automotive certification. Use in automotive applications depends on specific design requirements and qualification standards. If AEC-Q200 compliance is mandatory, select from CRCW0603154RFKEA, ERJ-3EKF1540V, or RMCF0603FT154R.

Q: Are there dimensional differences between substitute parts?

A: Minor dimensional variations exist within acceptable tolerances. MCR03EZPFX1540, ERJ-3EKF1540V, and RC0603FR-07154RL share identical dimensions of 0.063" L x 0.031" W (1.60mm x 0.80mm). CRCW0603154RFKEA and RMCF0603FT154R measure 0.061" L x 0.033" W (1.55mm x 0.85mm) and 0.061" L x 0.031" W (1.55mm x 0.80mm) respectively. All variants maintain 0603 package compatibility with standard PCB footprints.

Q: What is the difference between Direct and Similar substitute classifications?

A: Direct substitutes maintain identical specifications across all electrical and mechanical parameters, including automotive certification where applicable. Similar substitutes meet all electrical requirements and package compatibility but may lack specific certifications such as AEC-Q200 or have minor dimensional variations within acceptable tolerances.

Q: Which substitute offers the best availability?

A: RC0603FR-07154RL (YAGEO) provides the highest inventory at 102,784 pieces. For AEC-Q200 rated alternatives, CRCW0603154RFKEA (Vishay Dale) offers 26,986 pieces in stock.