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MCR03EZPFX11R5 Equivalent & Substitute Parts
Part Overview
The MCR03EZPFX11R5 is a 11.5 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
Key Parameters
| Parameter | Value |
|---|---|
| Resistance | 11.5 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 |
| Automotive Rating | AEC-Q200 |
| RoHS Status | ROHS3 Compliant |
| Moisture Sensitivity Level | 1 (Unlimited) |
Substitute Part Grouping Explanation
Substitution for the MCR03EZPFX11R5 is determined by strict equivalence across the following critical parameters:
- Resistance value: 11.5 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 ~ 155°C
- RoHS3 compliance
Parts are categorized as direct equivalents when all parameters match exactly. Parts designated as similar equivalents meet all electrical and mechanical specifications but may differ in specific features such as automotive certification or moisture resistance designation.
Parameter Comparison
| Manufacturer Part Number | Manufacturer | Resistance | Tolerance | Power (W) | Package | Temp Coeff | Operating Temp | AEC-Q200 | Product Status | Inventory |
|---|---|---|---|---|---|---|---|---|---|---|
| MCR03EZPFX11R5 | Rohm Semiconductor | 11.5 Ω | ±1% | 0.1 | 0603 | ±100ppm/°C | -55°C ~ 155°C | Yes | Discontinued | 863 Pcs |
| CRCW060311R5FKEA | Vishay Dale | 11.5 Ω | ±1% | 0.1 | 0603 | ±100ppm/°C | -55°C ~ 155°C | Yes | Active | 20774 Pcs |
| ERJ-3EKF11R5V | Panasonic Electronic Components | 11.5 Ω | ±1% | 0.1 | 0603 | ±100ppm/°C | -55°C ~ 155°C | Yes | Active | 163960 Pcs |
| RMCF0603FT11R5 | Stackpole Electronics Inc | 11.5 Ω | ±1% | 0.1 | 0603 | ±100ppm/°C | -55°C ~ 155°C | Yes | Active | 3099 Pcs |
| CR0603-FX-11R5ELF | Bourns Inc. | 11.5 Ω | ±1% | 0.1 | 0603 | ±100ppm/°C | -55°C ~ 155°C | No | Active | 25822 Pcs |
| RC0603FR-0711R5L | YAGEO | 11.5 Ω | ±1% | 0.1 | 0603 | ±100ppm/°C | -55°C ~ 155°C | No | Active | 68419 Pcs |
Engineering Selection Recommendations
For applications requiring AEC-Q200 automotive certification, direct equivalents are CRCW060311R5FKEA (Vishay Dale), ERJ-3EKF11R5V (Panasonic Electronic Components), and RMCF0603FT11R5 (Stackpole Electronics Inc). All three parts maintain active product status with full RoHS3 compliance and identical electrical specifications to the original MCR03EZPFX11R5.
For non-automotive applications or where automotive certification is not mandatory, CR0603-FX-11R5ELF (Bourns Inc.) and RC0603FR-0711R5L (YAGEO) are functionally equivalent alternatives. Both parts are actively manufactured, RoHS3 compliant, and meet all electrical and mechanical parameters. CR0603-FX-11R5ELF features moisture-resistant construction, while RC0603FR-0711R5L is available in higher inventory quantities.
Selection should prioritize active product status and supply chain availability. ERJ-3EKF11R5V offers the highest inventory level at 163,960 pieces. RMCF0603FT11R5 provides the lowest inventory among AEC-Q200 rated options at 3,099 pieces.
Frequently Asked Questions (FAQ)
Q: Can I use CR0603-FX-11R5ELF or RC0603FR-0711R5L as direct replacements in automotive applications?
A: CR0603-FX-11R5ELF and RC0603FR-0711R5L are not AEC-Q200 rated. If your application requires automotive certification compliance, use CRCW060311R5FKEA, ERJ-3EKF11R5V, or RMCF0603FT11R5 instead.
Q: Are all substitute parts physically compatible with the original MCR03EZPFX11R5 footprint?
A: All substitute parts use the 0603 (1608 Metric) package. Physical dimensions vary slightly within tolerance: length ranges from 0.061" to 0.063" (1.55mm to 1.60mm) and height from 0.020" to 0.022" (0.50mm to 0.55mm). These variations are within standard PCB design tolerances for 0603 components.
Q: What is the difference between direct and similar equivalents?
A: Direct equivalents (CRCW060311R5FKEA, ERJ-3EKF11R5V, RMCF0603FT11R5) carry AEC-Q200 automotive certification matching the original part. Similar equivalents (CR0603-FX-11R5ELF, RC0603FR-0711R5L) meet all electrical and mechanical specifications but lack automotive certification.
Q: Which substitute offers the best supply availability?
A: ERJ-3EKF11R5V by Panasonic Electronic Components has the highest inventory at 163,960 pieces and maintains active product status with AEC-Q200 certification.
Q: Are all parts RoHS3 compliant?
A: Yes, all listed parts including the original MCR03EZPFX11R5 are ROHS3 compliant with Moisture Sensitivity Level 1 (Unlimited).
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