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MCR03EZPFX7151 Equivalent & Substitute Parts
Part Overview
The MCR03EZPFX7151 is a 7.15 kOhms ±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, necessitating identification of equivalent alternatives that maintain identical electrical and mechanical specifications for seamless design substitution.
Substiute Parts
Key Parameters
| Parameter | Value |
|---|---|
| Resistance | 7.15 kOhms |
| 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 eligibility is determined by strict equivalence across the following parameters: resistance value (7.15 kOhms), 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).
Substitute parts are categorized into two groups:
Direct Substitutes maintain full AEC-Q200 automotive qualification and identical electrical specifications. These parts are interchangeable without design modification.
Similar Substitutes meet all electrical and mechanical parameters but feature moisture-resistant construction instead of automotive AEC-Q200 rating. These parts are suitable for applications where automotive qualification is not mandatory but environmental protection is beneficial.
Parameter Comparison
| Manufacturer Part Number | Manufacturer | Resistance | Tolerance | Power (W) | Package | Temp Coeff | Operating Temp | AEC-Q200 | Product Status | Inventory (Pcs) |
|---|---|---|---|---|---|---|---|---|---|---|
| MCR03EZPFX7151 | Rohm Semiconductor | 7.15 kOhms | ±1% | 0.1 | 0603 | ±100ppm/°C | -55°C ~ 155°C | Yes | Discontinued | 4,200 |
| CRCW06037K15FKEA | Vishay Dale | 7.15 kOhms | ±1% | 0.1 | 0603 | ±100ppm/°C | -55°C ~ 155°C | Yes | Active | 91,359 |
| CRCW06037K15FKEB | Vishay Dale | 7.15 kOhms | ±1% | 0.1 | 0603 | ±100ppm/°C | -55°C ~ 155°C | Yes | Discontinued | 17,805 |
| ERJ-3EKF7151V | Panasonic Electronic Components | 7.15 kOhms | ±1% | 0.1 | 0603 | ±100ppm/°C | -55°C ~ 155°C | Yes | Active | 144,890 |
| RMCF0603FT7K15 | Stackpole Electronics Inc | 7.15 kOhms | ±1% | 0.1 | 0603 | ±100ppm/°C | -55°C ~ 155°C | Yes | Active | 152,435 |
| CR0603-FX-7151ELF | Bourns Inc. | 7.15 kOhms | ±1% | 0.1 | 0603 | ±100ppm/°C | -55°C ~ 155°C | No | Active | 52,280 |
| RC0603FR-077K15L | YAGEO | 7.15 kOhms | ±1% | 0.1 | 0603 | ±100ppm/°C | -55°C ~ 155°C | No | Active | 69,933 |
Engineering Selection Recommendations
For automotive applications requiring AEC-Q200 compliance: Select from direct substitutes CRCW06037K15FKEA (Vishay Dale, active status, 91,359 units available), ERJ-3EKF7151V (Panasonic, active status, 144,890 units available), or RMCF0603FT7K15 (Stackpole Electronics, active status, 152,435 units available). These parts maintain full automotive qualification and are currently in active production.
For non-automotive applications or where moisture resistance is prioritized: CR0603-FX-7151ELF (Bourns, 52,280 units) and RC0603FR-077K15L (YAGEO, 69,933 units) provide equivalent electrical performance with moisture-resistant construction. These parts are active and widely available.
Availability consideration: RMCF0603FT7K15 offers the highest inventory level (152,435 units) among AEC-Q200 qualified alternatives, followed by ERJ-3EKF7151V (144,890 units) and CRCW06037K15FKEA (91,359 units).
Frequently Asked Questions (FAQ)
Q: Can I use CR0603-FX-7151ELF or RC0603FR-077K15L as direct replacements for MCR03EZPFX7151 in automotive designs?
A: These parts meet all electrical and mechanical specifications but lack AEC-Q200 automotive qualification. Use only in non-automotive applications or where automotive certification is not a design requirement.
Q: What is the difference between direct substitutes and similar substitutes?
A: Direct substitutes (CRCW06037K15FKEA, ERJ-3EKF7151V, RMCF0603FT7K15) carry AEC-Q200 automotive rating identical to the original part. Similar substitutes (CR0603-FX-7151ELF, RC0603FR-077K15L) feature moisture-resistant construction but lack automotive qualification.
Q: Are all substitute parts in the same 0603 package?
A: Yes. All listed substitutes use the 0603 (1608 Metric) package with identical footprint dimensions, enabling direct PCB layout compatibility.
Q: Do all substitutes have the same temperature coefficient and operating range?
A: Yes. All substitutes maintain ±100ppm/°C temperature coefficient and -55°C to 155°C operating temperature range, ensuring thermal performance equivalence.
Q: Which substitute offers the best availability?
A: RMCF0603FT7K15 (Stackpole Electronics) provides the highest inventory at 152,435 units with active product status and full AEC-Q200 compliance.
Q: Are all substitutes RoHS3 compliant?
A: Yes. All listed substitutes are ROHS3 compliant with MSL rating of 1 (Unlimited), matching the original part's environmental compliance profile.
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