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MCR03EZPFX6043 Equivalent & Substitute Parts
Part Overview
The MCR03EZPFX6043 is a 604 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 | 604 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 the MCR03EZPFX6043 is determined by strict equivalence across the following electrical and mechanical parameters:
- Resistance value: 604 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)
Substitute parts are classified into two categories:
Direct Substitutes maintain full automotive AEC-Q200 certification and identical electrical specifications. These include MCR03ERTF6043 (Rohm Semiconductor), CRCW0603604KFKEA (Vishay Dale), ERJ-3EKF6043V (Panasonic Electronic Components), and RMCF0603FT604K (Stackpole Electronics Inc).
Similar Substitutes meet all core electrical and mechanical parameters but feature moisture-resistant construction instead of automotive AEC-Q200 rating. These include CR0603-FX-6043ELF (Bourns Inc.) and RC0603FR-07604KL (YAGEO).
Parameter Comparison
| Manufacturer Part Number | Manufacturer | Resistance | Tolerance | Power (W) | Package | Temp Coeff | Op. Temp Range | AEC-Q200 | Product Status |
|---|---|---|---|---|---|---|---|---|---|
| MCR03EZPFX6043 | Rohm Semiconductor | 604 kOhms | ±1% | 0.1 | 0603 | ±100ppm/°C | -55°C ~ 155°C | Yes | Discontinued |
| MCR03ERTF6043 | Rohm Semiconductor | 604 kOhms | ±1% | 0.1 | 0603 | ±100ppm/°C | -55°C ~ 155°C | No | Discontinued |
| CRCW0603604KFKEA | Vishay Dale | 604 kOhms | ±1% | 0.1 | 0603 | ±100ppm/°C | -55°C ~ 155°C | Yes | Active |
| ERJ-3EKF6043V | Panasonic Electronic Components | 604 kOhms | ±1% | 0.1 | 0603 | ±100ppm/°C | -55°C ~ 155°C | Yes | Active |
| RMCF0603FT604K | Stackpole Electronics Inc | 604 kOhms | ±1% | 0.1 | 0603 | ±100ppm/°C | -55°C ~ 155°C | Yes | Active |
| CR0603-FX-6043ELF | Bourns Inc. | 604 kOhms | ±1% | 0.1 | 0603 | ±100ppm/°C | -55°C ~ 155°C | No | Active |
| RC0603FR-07604KL | YAGEO | 604 kOhms | ±1% | 0.1 | 0603 | ±100ppm/°C | -55°C ~ 155°C | No | Active |
Engineering Selection Recommendations
For automotive applications requiring AEC-Q200 certification, select from active direct substitutes: CRCW0603604KFKEA (Vishay Dale), ERJ-3EKF6043V (Panasonic Electronic Components), or RMCF0603FT604K (Stackpole Electronics Inc). All three maintain full compliance with automotive standards and are currently in active production with substantial inventory availability.
For non-automotive applications or where AEC-Q200 certification is not mandated, CR0603-FX-6043ELF (Bourns Inc.) and RC0603FR-07604KL (YAGEO) provide equivalent electrical performance with moisture-resistant construction and active product status.
MCR03ERTF6043 (Rohm Semiconductor) is a direct electrical equivalent but shares discontinued status with the original part, limiting its suitability for long-term supply chain planning.
Frequently Asked Questions (FAQ)
Q: Can I substitute MCR03EZPFX6043 with any of the listed parts?
A: Direct substitution is possible only when the application does not require AEC-Q200 automotive certification. For automotive applications, use CRCW0603604KFKEA, ERJ-3EKF6043V, or RMCF0603FT604K. For non-automotive applications, CR0603-FX-6043ELF and RC0603FR-07604KL are suitable alternatives.
Q: What is the difference between direct and similar substitutes?
A: Direct substitutes maintain AEC-Q200 automotive certification and are manufactured by established automotive-qualified suppliers. Similar substitutes meet all electrical and mechanical specifications but feature moisture-resistant construction without automotive certification.
Q: Are all substitutes pin-compatible with the original part?
A: Yes. All listed substitutes use the 0603 (1608 Metric) package with identical two-termination configuration and footprint compatibility.
Q: Does the slight dimensional variation between parts affect PCB assembly?
A: No. All parts conform to the 0603 package standard. Minor dimensional variations (within 0.002" for length and width, 0.002" for height) are within standard PCB assembly tolerances and do not affect placement or soldering.
Q: Which substitute offers the best inventory availability?
A: ERJ-3EKF6043V (Panasonic Electronic Components) offers the highest inventory level at 93,722 pieces, followed by CRCW0603604KFKEA (Vishay Dale) at 20,943 pieces.
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