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MCR03EZPFX3480 Equivalent & Substitute Parts
Part Overview
The MCR03EZPFX3480 is a 348 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 | 348 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 |
| Automotive Rating | AEC-Q200 |
| RoHS Status | ROHS3 Compliant |
| Moisture Sensitivity Level | 1 (Unlimited) |
Substitute Part Grouping Explanation
Substitution for the MCR03EZPFX3480 is determined by strict equivalence across the following parameters: resistance value (348 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, EAR99).
Direct substitutes maintain all electrical and mechanical specifications including AEC-Q200 automotive qualification. Similar substitutes meet all core electrical parameters and package requirements but may differ in specific feature sets (such as moisture resistance designation) while maintaining functional equivalence within the specified operating conditions.
Parameter Comparison
| Manufacturer Part Number | Manufacturer | Resistance | Tolerance | Power (W) | Package | Temp Coeff | Operating Temp | AEC-Q200 | Product Status | Inventory |
|---|---|---|---|---|---|---|---|---|---|---|
| MCR03EZPFX3480 | Rohm Semiconductor | 348 Ω | ±1% | 0.1 | 0603 | ±100ppm/°C | -55°C to 155°C | Yes | Discontinued | 737 Pcs |
| CRCW0603348RFKEA | Vishay Dale | 348 Ω | ±1% | 0.1 | 0603 | ±100ppm/°C | -55°C to 155°C | Yes | Active | 34519 Pcs |
| ERJ-3EKF3480V | Panasonic Electronic Components | 348 Ω | ±1% | 0.1 | 0603 | ±100ppm/°C | -55°C to 155°C | Yes | Active | 107922 Pcs |
| RMCF0603FT348R | Stackpole Electronics Inc | 348 Ω | ±1% | 0.1 | 0603 | ±100ppm/°C | -55°C to 155°C | Yes | Active | 68007 Pcs |
| CR0603-FX-3480ELF | Bourns Inc. | 348 Ω | ±1% | 0.1 | 0603 | ±100ppm/°C | -55°C to 155°C | No | Active | 35971 Pcs |
| RC0603FR-07348RL | YAGEO | 348 Ω | ±1% | 0.1 | 0603 | ±100ppm/°C | -55°C to 155°C | No | Active | 527850 Pcs |
Engineering Selection Recommendations
For applications requiring strict AEC-Q200 automotive qualification, direct substitutes CRCW0603348RFKEA (Vishay Dale), ERJ-3EKF3480V (Panasonic), and RMCF0603FT348R (Stackpole) are fully qualified equivalents with active product status and established supply availability.
CR0603-FX-3480ELF (Bourns) and RC0603FR-07348RL (YAGEO) are functionally equivalent alternatives that meet all core electrical and mechanical specifications with RoHS3 compliance and unlimited moisture sensitivity rating. These parts lack explicit AEC-Q200 designation but maintain the required operating temperature range, tolerance, and thick film composition.
Selection should prioritize active status parts with adequate inventory for production continuity. All listed substitutes are RoHS3 compliant and REACH unaffected.
Frequently Asked Questions (FAQ)
Q: Can CR0603-FX-3480ELF and RC0603FR-07348RL be used in automotive applications requiring AEC-Q200?
A: These parts meet the electrical specifications (348 Ohms ±1%, 0.1W, -55°C to 155°C operating range) and package requirements of the original part. However, they lack explicit AEC-Q200 automotive qualification. Use in AEC-Q200 applications requires design review and qualification assessment.
Q: Are all substitute parts physically interchangeable?
A: Yes. All listed parts use the 0603 (1608 Metric) package with identical termination count (2). Dimensional variations are within standard PCB assembly tolerances (maximum height difference of 0.002" / 0.05mm).
Q: What is the difference between direct and similar substitutes?
A: Direct substitutes (CRCW0603348RFKEA, ERJ-3EKF3480V, RMCF0603FT348R) carry AEC-Q200 automotive qualification matching the original part. Similar substitutes (CR0603-FX-3480ELF, RC0603FR-07348RL) meet all electrical and mechanical parameters but lack this specific automotive certification.
Q: Which substitute offers the best supply availability?
A: RC0603FR-07348RL (YAGEO) has the highest inventory at 527,850 pieces. ERJ-3EKF3480V (Panasonic) offers 107,922 pieces with AEC-Q200 qualification.
Q: Are moisture sensitivity levels equivalent across all substitutes?
A: Yes. All parts are rated MSL 1 (Unlimited), indicating no moisture sensitivity restrictions for storage or handling.
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