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MCR03EZPFX1371 Equivalent & Substitute Parts
Part Overview
The MCR03EZPFX1371 is a 1.37 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 | 1.37 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 |
| RoHS Status | ROHS3 Compliant |
| Moisture Sensitivity Level | 1 (Unlimited) |
Substitute Part Grouping Explanation
Substitution for MCR03EZPFX1371 is determined by strict equivalence across the following parameters:
- Resistance value: 1.37 kOhms
- 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
- MSL rating: 1 (Unlimited)
Parts are categorized as Direct Substitutes when all parameters match exactly. Parts are categorized as Similar Substitutes when they meet all electrical and mechanical requirements but differ in specific feature certifications (such as automotive AEC-Q200 rating or moisture resistance designation).
Parameter Comparison
| Part Number | Manufacturer | Resistance | Tolerance | Power (W) | Package | Temp Coeff | Op. Temp Range | Features | Status | Inventory |
|---|---|---|---|---|---|---|---|---|---|---|
| MCR03EZPFX1371 | Rohm Semiconductor | 1.37 kΩ | ±1% | 0.1 | 0603 | ±100ppm/°C | -55°C ~ 155°C | Automotive AEC-Q200 | Discontinued | 897 Pcs |
| CRCW06031K37FKEA | Vishay Dale | 1.37 kΩ | ±1% | 0.1 | 0603 | ±100ppm/°C | -55°C ~ 155°C | Automotive AEC-Q200 | Active | 3823 Pcs |
| ERJ-3EKF1371V | Panasonic Electronic Components | 1.37 kΩ | ±1% | 0.1 | 0603 | ±100ppm/°C | -55°C ~ 155°C | Automotive AEC-Q200 | Active | 76878 Pcs |
| RMCF0603FT1K37 | Stackpole Electronics Inc | 1.37 kΩ | ±1% | 0.1 | 0603 | ±100ppm/°C | -55°C ~ 155°C | Automotive AEC-Q200 | Active | 63375 Pcs |
| CR0603-FX-1371ELF | Bourns Inc. | 1.37 kΩ | ±1% | 0.1 | 0603 | ±100ppm/°C | -55°C ~ 155°C | Moisture Resistant | Active | 34898 Pcs |
| RC0603FR-071K37L | YAGEO | 1.37 kΩ | ±1% | 0.1 | 0603 | ±100ppm/°C | -55°C ~ 155°C | Moisture Resistant | Active | 430364 Pcs |
Engineering Selection Recommendations
For applications requiring automotive AEC-Q200 certification, direct substitutes are CRCW06031K37FKEA (Vishay Dale), ERJ-3EKF1371V (Panasonic Electronic Components), and RMCF0603FT1K37 (Stackpole Electronics Inc). All three maintain active product status with full AEC-Q200 compliance and identical electrical specifications.
For applications where automotive certification is not mandatory, CR0603-FX-1371ELF (Bourns Inc.) and RC0603FR-071K37L (YAGEO) are functionally equivalent alternatives. These parts meet all electrical and mechanical requirements with moisture-resistant thick film composition and ROHS3 compliance. RC0603FR-071K37L offers the highest inventory availability at 430,364 pieces.
All substitute parts are ROHS3 compliant with MSL rating of 1 (Unlimited) and maintain identical temperature coefficient and operating temperature specifications.
Frequently Asked Questions (FAQ)
Q: Can MCR03EZPFX1371 be replaced with CR0603-FX-1371ELF or RC0603FR-071K37L?
A: Yes, from an electrical and mechanical standpoint. Both parts match the resistance, tolerance, power rating, package, temperature coefficient, and operating temperature range. The difference is that CR0603-FX-1371ELF and RC0603FR-071K37L are designated as moisture-resistant thick film rather than automotive AEC-Q200. If your application requires AEC-Q200 certification, use CRCW06031K37FKEA, ERJ-3EKF1371V, or RMCF0603FT1K37 instead.
Q: Are all substitute parts in the same 0603 package?
A: Yes. All listed substitutes use the 0603 (1608 Metric) package with identical termination count (2). Physical dimensions vary slightly between manufacturers but remain within the 0603 standard envelope, ensuring PCB footprint compatibility.
Q: What is the difference between direct and similar substitutes?
A: Direct substitutes (CRCW06031K37FKEA, ERJ-3EKF1371V, RMCF0603FT1K37) carry automotive AEC-Q200 certification matching the original MCR03EZPFX1371. Similar substitutes (CR0603-FX-1371ELF, RC0603FR-071K37L) meet all electrical and mechanical specifications but are designated as moisture-resistant without explicit AEC-Q200 rating.
Q: Which substitute has the best availability?
A: RC0603FR-071K37L (YAGEO) has the highest inventory at 430,364 pieces. ERJ-3EKF1371V (Panasonic) follows with 76,878 pieces. Both are active products with immediate availability.
Q: Are all substitutes ROHS3 compliant?
A: Yes. All listed substitute parts are ROHS3 compliant with MSL rating of 1 (Unlimited), matching the original part's environmental compliance status.
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