MCR03EZPFX84R5 Equivalent & Substitute Parts

Part Overview

The MCR03EZPFX84R5 is an 84.5 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

MCR03EZPFX84R5
Rohm SemiconductorIn Stock: 1045MCR03EZPFX84R5 Datasheet
MCR03EZPFX84R5
Current Part
CRCW060384R5FKEA
Vishay DaleIn Stock: 20445CRCW060384R5FKEA Datasheet
CRCW060384R5FKEA
Direct
ERJ-3EKF84R5V
Panasonic Electronic ComponentsIn Stock: 69402ERJ-3EKF84R5V Datasheet
ERJ-3EKF84R5V
Direct
RMCF0603FT84R5
Stackpole Electronics IncIn Stock: 240250RMCF0603FT84R5 Datasheet
RMCF0603FT84R5
Direct
CR0603-FX-84R5ELF
Bourns Inc.In Stock: 7306CR0603-FX-84R5ELF Datasheet
CR0603-FX-84R5ELF
Similar
RC0603FR-0784R5L
YAGEOIn Stock: 572406RC0603FR-0784R5L Datasheet
RC0603FR-0784R5L
Similar

Key Parameters

Parameter Value
Resistance 84.5 Ohms
Tolerance ±1%
Power Rating 0.1W (1/10W)
Package / Case 0603 (1608 Metric)
Composition Thick Film
Temperature Coefficient ±100ppm/°C
Operating Temperature Range -55°C ~ 155°C
Terminations 2
RoHS Status ROHS3 Compliant
Moisture Sensitivity Level 1 (Unlimited)

Substitute Part Grouping Explanation

Substitution for the MCR03EZPFX84R5 is determined by strict equivalence across the following parameters: resistance value (84.5 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).

The substitute parts are grouped into two categories:

Direct Equivalents (AEC-Q200 Automotive Rated): CRCW060384R5FKEA (Vishay Dale), ERJ-3EKF84R5V (Panasonic Electronic Components), and RMCF0603FT84R5 (Stackpole Electronics Inc). These parts meet all electrical and mechanical specifications including automotive AEC-Q200 certification.

Similar Equivalents (Moisture Resistant, Non-Automotive Rated): CR0603-FX-84R5ELF (Bourns Inc.) and RC0603FR-0784R5L (YAGEO). These parts match all core electrical parameters and package specifications but feature moisture-resistant construction instead of automotive AEC-Q200 certification.

Parameter Comparison

Manufacturer Part Number Manufacturer Resistance Tolerance Power (W) Package Temp Coeff Operating Temp AEC-Q200 Product Status Inventory
MCR03EZPFX84R5 Rohm Semiconductor 84.5 Ω ±1% 0.1 0603 ±100ppm/°C -55°C ~ 155°C Yes Discontinued 968 Pcs
CRCW060384R5FKEA Vishay Dale 84.5 Ω ±1% 0.1 0603 ±100ppm/°C -55°C ~ 155°C Yes Active 20383 Pcs
ERJ-3EKF84R5V Panasonic Electronic Components 84.5 Ω ±1% 0.1 0603 ±100ppm/°C -55°C ~ 155°C Yes Active 69347 Pcs
RMCF0603FT84R5 Stackpole Electronics Inc 84.5 Ω ±1% 0.1 0603 ±100ppm/°C -55°C ~ 155°C Yes Active 240196 Pcs
CR0603-FX-84R5ELF Bourns Inc. 84.5 Ω ±1% 0.1 0603 ±100ppm/°C -55°C ~ 155°C No Active 7270 Pcs
RC0603FR-0784R5L YAGEO 84.5 Ω ±1% 0.1 0603 ±100ppm/°C -55°C ~ 155°C No Active 572325 Pcs

Engineering Selection Recommendations

For automotive applications requiring AEC-Q200 certification, select from the direct equivalent group: CRCW060384R5FKEA, ERJ-3EKF84R5V, or RMCF0603FT84R5. All three maintain active product status with established supply chains. RMCF0603FT84R5 offers the highest inventory availability at 240,196 pieces.

For non-automotive applications where AEC-Q200 certification is not required, CR0603-FX-84R5ELF and RC0603FR-0784R5L are functionally equivalent. RC0603FR-0784R5L provides superior inventory availability at 572,325 pieces.

All substitute parts maintain RoHS3 compliance, REACH unaffected status, and identical electrical performance specifications to the original MCR03EZPFX84R5.

Frequently Asked Questions (FAQ)

Q: Can I use a non-AEC-Q200 rated substitute in an automotive application? A: No. If your application requires AEC-Q200 certification, use only CRCW060384R5FKEA, ERJ-3EKF84R5V, or RMCF0603FT84R5. CR0603-FX-84R5ELF and RC0603FR-0784R5L lack automotive certification and are suitable only for non-automotive circuits.

Q: Are all substitute parts mechanically compatible with the original MCR03EZPFX84R5? A: Yes. All substitute parts use the 0603 (1608 Metric) package with identical termination count (2) and compatible physical dimensions. Slight variations in height and length (within 0.002" to 0.005") do not affect PCB assembly or functionality.

Q: What is the difference between direct equivalents and similar equivalents? A: Direct equivalents (CRCW060384R5FKEA, ERJ-3EKF84R5V, RMCF0603FT84R5) include AEC-Q200 automotive certification. Similar equivalents (CR0603-FX-84R5ELF, RC0603FR-0784R5L) feature moisture-resistant construction but lack automotive certification. Selection depends on application requirements.

Q: Do all substitutes have the same temperature coefficient? A: Yes. All substitute parts maintain ±100ppm/°C temperature coefficient and -55°C to 155°C operating range, matching the original MCR03EZPFX84R5 specification.

Q: Which substitute offers the best supply availability? A: RC0603FR-0784R5L (YAGEO) provides the highest inventory at 572,325 pieces. For automotive-rated alternatives, RMCF0603FT84R5 (Stackpole Electronics Inc) offers 240,196 pieces.

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