MCR03EZPFX3740 Equivalent & Substitute Parts

Part Overview

The MCR03EZPFX3740 is a 374 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, making equivalent substitutes necessary for ongoing production and maintenance applications.

Substiute Parts

MCR03EZPFX3740

Rohm SemiconductorIn Stock: 1229MCR03EZPFX3740 Datasheet

Current PartRFQ

CRCW0603374RFKEA

Vishay DaleIn Stock: 29009CRCW0603374RFKEA Datasheet

DirectRFQ

ERJ-3EKF3740V

Panasonic Electronic ComponentsIn Stock: 753ERJ-3EKF3740V Datasheet

DirectRFQ

RMCF0603FT374R

Stackpole Electronics IncIn Stock: 6770RMCF0603FT374R Datasheet

DirectRFQ

CR0603-FX-3740ELF

Bourns Inc.In Stock: 37149CR0603-FX-3740ELF Datasheet

SimilarRFQ

RC0603FR-07374RL

YAGEOIn Stock: 454208RC0603FR-07374RL Datasheet

SimilarRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitution for the MCR03EZPFX3740 is determined by strict equivalence across the following parameters: resistance value (374 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 RoHS3 compliance. All identified substitutes maintain these core electrical and mechanical specifications.

The substitute parts are categorized as follows:

Direct Substitutes (Automotive AEC-Q200 rated): CRCW0603374RFKEA (Vishay Dale), ERJ-3EKF3740V (Panasonic Electronic Components), and RMCF0603FT374R (Stackpole Electronics Inc). These parts maintain full automotive qualification and identical electrical performance.

Similar Substitutes (Moisture Resistant, non-automotive rated): CR0603-FX-3740ELF (Bourns Inc.) and RC0603FR-07374RL (YAGEO). These parts meet all electrical and mechanical specifications but lack AEC-Q200 automotive certification, featuring moisture-resistant construction instead.

Parameter Comparison

Engineering Selection Recommendations

For automotive applications requiring AEC-Q200 compliance, select from the direct substitutes: CRCW0603374RFKEA, ERJ-3EKF3740V, or RMCF0603FT374R. All three maintain active product status with established supply chains. CRCW0603374RFKEA offers the highest inventory availability (28,910 pcs) and Tape & Reel packaging. ERJ-3EKF3740V and RMCF0603FT374R provide alternative sourcing with 678 pcs and 6,754 pcs in stock respectively.

For non-automotive applications where AEC-Q200 certification is not required, CR0603-FX-3740ELF and RC0603FR-07374RL are viable alternatives. RC0603FR-07374RL provides exceptional inventory depth (454,175 pcs) and represents the most readily available option across all substitutes.

All substitute parts maintain ROHS3 compliance, MSL Level 1 rating, and identical electrical performance within the specified tolerance and temperature operating range.

Frequently Asked Questions (FAQ)

Q: Can I use CR0603-FX-3740ELF or RC0603FR-07374RL in place of MCR03EZPFX3740 in automotive applications?

A: These parts are electrically and mechanically equivalent but lack AEC-Q200 automotive certification. Use only if your application does not require automotive qualification. For automotive designs, select CRCW0603374RFKEA, ERJ-3EKF3740V, or RMCF0603FT374R.

Q: Are all substitute parts compatible with the same PCB footprint?

A: Yes. All parts use the 0603 (1608 Metric) package with identical termination count (2). Physical dimensions vary slightly within acceptable tolerances: length ranges from 0.061" to 0.063" and height from 0.020" to 0.022". Standard 0603 footprints accommodate all variants.

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

A: Direct substitutes (CRCW0603374RFKEA, ERJ-3EKF3740V, RMCF0603FT374R) carry AEC-Q200 automotive rating matching the original part. Similar substitutes (CR0603-FX-3740ELF, RC0603FR-07374RL) meet all electrical and mechanical specifications but feature moisture-resistant construction without automotive certification.

Q: Do all substitutes have the same moisture sensitivity level?

A: Yes. All parts are rated MSL Level 1 (Unlimited), indicating no moisture sensitivity restrictions during storage or handling.

Q: Which substitute offers the best supply availability?

A: RC0603FR-07374RL by YAGEO has the highest inventory (454,175 pcs). For automotive-qualified parts, CRCW0603374RFKEA by Vishay Dale offers the largest stock (28,910 pcs).