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MCR03EZPFX1052 Equivalent & Substitute Parts
Part Overview
The MCR03EZPFX1052 is a 10.5 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, making equivalent substitutes necessary for ongoing production and maintenance applications.
Substiute Parts
Key Parameters
| Parameter | Value |
|---|---|
| Resistance | 10.5 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 |
| Terminations | 2 |
| RoHS Status | ROHS3 Compliant |
| Moisture Sensitivity Level | 1 (Unlimited) |
Substitute Part Grouping Explanation
Substitution for the MCR03EZPFX1052 is determined by strict equivalence across the following parameters: resistance value (10.5 kOhms), tolerance (±1%), power rating (0.1W), package type (0603), composition (thick film), temperature coefficient (±100ppm/°C), and operating temperature range (-55°C to 155°C). All substitute parts listed maintain these electrical and mechanical specifications.
The substitute parts are categorized as follows:
Direct Equivalents (identical electrical and mechanical specifications, AEC-Q200 rated):
- CRCW060310K5FKEA (Vishay Dale)
- ERJ-3EKF1052V (Panasonic Electronic Components)
- RMCF0603FT10K5 (Stackpole Electronics Inc)
Similar Equivalents (identical electrical specifications, moisture-resistant feature instead of AEC-Q200):
- CR0603-FX-1052ELF (Bourns Inc.)
- RC0603FR-0710K5L (YAGEO)
Parameter Comparison
| Part Number | Manufacturer | Resistance | Tolerance | Power (W) | Package | Temp Coeff | Op. Temp Range | Composition | Status | RoHS |
|---|---|---|---|---|---|---|---|---|---|---|
| MCR03EZPFX1052 | Rohm Semiconductor | 10.5 kΩ | ±1% | 0.1 | 0603 | ±100ppm/°C | -55°C ~ 155°C | Thick Film | Discontinued | ROHS3 |
| CRCW060310K5FKEA | Vishay Dale | 10.5 kΩ | ±1% | 0.1 | 0603 | ±100ppm/°C | -55°C ~ 155°C | Thick Film | Active | ROHS3 |
| ERJ-3EKF1052V | Panasonic Electronic Components | 10.5 kΩ | ±1% | 0.1 | 0603 | ±100ppm/°C | -55°C ~ 155°C | Thick Film | Active | ROHS3 |
| RMCF0603FT10K5 | Stackpole Electronics Inc | 10.5 kΩ | ±1% | 0.1 | 0603 | ±100ppm/°C | -55°C ~ 155°C | Thick Film | Active | ROHS3 |
| CR0603-FX-1052ELF | Bourns Inc. | 10.5 kΩ | ±1% | 0.1 | 0603 | ±100ppm/°C | -55°C ~ 155°C | Thick Film | Active | ROHS3 |
| RC0603FR-0710K5L | YAGEO | 10.5 kΩ | ±1% | 0.1 | 0603 | ±100ppm/°C | -55°C ~ 155°C | Thick Film | Active | ROHS3 |
Engineering Selection Recommendations
All listed substitute parts are electrically and mechanically equivalent to the MCR03EZPFX1052 and maintain ROHS3 compliance. Selection among active alternatives should prioritize availability and supply chain considerations.
For applications requiring AEC-Q200 automotive qualification, the direct equivalents CRCW060310K5FKEA, ERJ-3EKF1052V, and RMCF0603FT10K5 are appropriate selections. These parts maintain identical specifications and automotive ratings.
For applications where AEC-Q200 certification is not mandatory, CR0603-FX-1052ELF and RC0603FR-0710K5L provide functionally equivalent performance with moisture-resistant characteristics. All parts share identical electrical parameters, temperature coefficients, and operating ranges.
Frequently Asked Questions (FAQ)
Q: Can I substitute the MCR03EZPFX1052 with any of the listed parts?
A: Yes, all listed parts are electrically and mechanically equivalent. Selection depends on application requirements and AEC-Q200 certification necessity. For automotive applications requiring AEC-Q200 compliance, use CRCW060310K5FKEA, ERJ-3EKF1052V, or RMCF0603FT10K5.
Q: What is the difference between direct equivalents and similar equivalents?
A: Direct equivalents (CRCW060310K5FKEA, ERJ-3EKF1052V, RMCF0603FT10K5) carry AEC-Q200 automotive qualification identical to the original part. Similar equivalents (CR0603-FX-1052ELF, RC0603FR-0710K5L) feature moisture-resistant characteristics instead of AEC-Q200 rating but maintain all electrical specifications.
Q: Are all substitute parts in the same 0603 package?
A: Yes, all substitute parts use the 0603 (1608 Metric) package with identical footprint and mounting characteristics.
Q: Do all parts meet RoHS requirements?
A: Yes, all listed parts are ROHS3 compliant.
Q: What is the temperature coefficient specification and why is it important?
A: All parts have a temperature coefficient of ±100ppm/°C, meaning resistance changes by a maximum of 100 parts per million for each degree Celsius change in temperature. This specification is identical across all alternatives and ensures consistent performance across the -55°C to 155°C operating range.
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