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MCR03EZPFX5230 Equivalent & Substitute Parts
Part Overview
The MCR03EZPFX5230 is a 523 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
Key Parameters
| Parameter | Value |
|---|---|
| Resistance | 523 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 |
| Terminations | 2 |
| RoHS Status | ROHS3 Compliant |
| Moisture Sensitivity Level | 1 (Unlimited) |
Substitute Part Grouping Explanation
Substitution for the MCR03EZPFX5230 is determined by strict equivalence across the following parameters: resistance value (523 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 meet all electrical and mechanical specifications including automotive AEC-Q200 rating: CRCW0603523RFKEA (Vishay Dale), ERJ-3EKF5230V (Panasonic Electronic Components), and RMCF0603FT523R (Stackpole Electronics Inc).
Similar Equivalents meet all core electrical and mechanical specifications but differ in specific features: CR0603-FX-5230ELF (Bourns Inc.) and RC0603FR-07523RL (YAGEO) feature moisture-resistant composition instead of automotive AEC-Q200 rating, though both maintain full compliance with RoHS3 and REACH standards.
Parameter Comparison
| Manufacturer Part Number | Manufacturer | Resistance | Tolerance | Power (W) | Package | Temp Coeff | Operating Temp | AEC-Q200 | Product Status | Inventory |
|---|---|---|---|---|---|---|---|---|---|---|
| MCR03EZPFX5230 | Rohm Semiconductor | 523 Ω | ±1% | 0.1 | 0603 | ±100ppm/°C | -55°C ~ 155°C | Yes | Discontinued | 811 Pcs |
| CRCW0603523RFKEA | Vishay Dale | 523 Ω | ±1% | 0.1 | 0603 | ±100ppm/°C | -55°C ~ 155°C | Yes | Active | 12745 Pcs |
| ERJ-3EKF5230V | Panasonic Electronic Components | 523 Ω | ±1% | 0.1 | 0603 | ±100ppm/°C | -55°C ~ 155°C | Yes | Active | 147999 Pcs |
| RMCF0603FT523R | Stackpole Electronics Inc | 523 Ω | ±1% | 0.1 | 0603 | ±100ppm/°C | -55°C ~ 155°C | Yes | Active | 51610 Pcs |
| CR0603-FX-5230ELF | Bourns Inc. | 523 Ω | ±1% | 0.1 | 0603 | ±100ppm/°C | -55°C ~ 155°C | No | Active | 25418 Pcs |
| RC0603FR-07523RL | YAGEO | 523 Ω | ±1% | 0.1 | 0603 | ±100ppm/°C | -55°C ~ 155°C | No | Active | 5300 Pcs |
Engineering Selection Recommendations
For applications requiring automotive AEC-Q200 compliance, select from the direct equivalents: CRCW0603523RFKEA, ERJ-3EKF5230V, or RMCF0603FT523R. All three maintain active product status with robust inventory availability. ERJ-3EKF5230V offers the highest inventory level at 147,999 pieces.
For non-automotive applications where AEC-Q200 certification is not required, CR0603-FX-5230ELF and RC0603FR-07523RL are functionally equivalent alternatives. Both parts maintain RoHS3 compliance and identical electrical specifications.
All substitute parts are ROHS3 compliant and REACH unaffected, matching the original part's environmental compliance profile.
Frequently Asked Questions (FAQ)
Q: Can I use CR0603-FX-5230ELF or RC0603FR-07523RL as direct replacements for MCR03EZPFX5230 in automotive applications?
A: No. CR0603-FX-5230ELF and RC0603FR-07523RL lack AEC-Q200 automotive certification. Use CRCW0603523RFKEA, ERJ-3EKF5230V, or RMCF0603FT523R for automotive applications requiring AEC-Q200 compliance.
Q: Are all substitute parts physically compatible with the original PCB layout?
A: Yes. All substitute parts use the 0603 (1608 Metric) package with identical termination count (2) and compatible footprint dimensions. Minor variations in seated height (0.50mm to 0.55mm maximum) fall within standard PCB assembly tolerances.
Q: What is the difference between direct equivalents and similar equivalents?
A: Direct equivalents (CRCW0603523RFKEA, ERJ-3EKF5230V, RMCF0603FT523R) include AEC-Q200 automotive rating. Similar equivalents (CR0603-FX-5230ELF, RC0603FR-07523RL) feature moisture-resistant composition but lack automotive certification. Selection depends on application requirements.
Q: Do all substitute parts meet the same temperature and tolerance specifications?
A: Yes. All substitute parts maintain 523 Ohms ±1% resistance, ±100ppm/°C temperature coefficient, and -55°C to 155°C operating range. Electrical performance is equivalent across all options.
Q: Which substitute offers the best inventory availability?
A: ERJ-3EKF5230V (Panasonic Electronic Components) provides the highest inventory at 147,999 pieces with active product status and full AEC-Q200 compliance.
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