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MCR03EZPFX2800 Equivalent & Substitute Parts
Part Overview
The MCR03EZPFX2800 is a 280 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 | 280 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 to 155°C |
| Number of Terminations | 2 |
| RoHS Status | ROHS3 Compliant |
| Moisture Sensitivity Level | 1 (Unlimited) |
Substitute Part Grouping Explanation
Substitution for the MCR03EZPFX2800 is determined by strict equivalence across the following critical parameters:
- Resistance value: 280 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 to 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 MCR03ERTF2800 (Rohm Semiconductor), CRCW0603280RFKEA (Vishay Dale), ERJ-3EKF2800V (Panasonic Electronic Components), and RMCF0603FT280R (Stackpole Electronics Inc).
Similar Substitutes meet all core electrical and mechanical parameters but differ in specific features or certifications. CR0603-FX-2800ELF (Bourns Inc.) and RC0603FR-07280RL (YAGEO) are moisture-resistant variants without explicit AEC-Q200 automotive rating, suitable for applications where automotive certification is not mandatory.
Parameter Comparison
| Manufacturer Part Number | Manufacturer | Resistance | Tolerance | Power (W) | Package | Temp Coeff | Op. Temp Range | AEC-Q200 | Product Status | Inventory |
|---|---|---|---|---|---|---|---|---|---|---|
| MCR03EZPFX2800 | Rohm Semiconductor | 280 Ω | ±1% | 0.1 | 0603 | ±100ppm/°C | -55°C to 155°C | Yes | Discontinued | 809 Pcs |
| MCR03ERTF2800 | Rohm Semiconductor | 280 Ω | ±1% | 0.1 | 0603 | ±100ppm/°C | -55°C to 155°C | No | Discontinued | 1064 Pcs |
| CRCW0603280RFKEA | Vishay Dale | 280 Ω | ±1% | 0.1 | 0603 | ±100ppm/°C | -55°C to 155°C | Yes | Active | 27777 Pcs |
| ERJ-3EKF2800V | Panasonic Electronic Components | 280 Ω | ±1% | 0.1 | 0603 | ±100ppm/°C | -55°C to 155°C | Yes | Active | 79986 Pcs |
| RMCF0603FT280R | Stackpole Electronics Inc | 280 Ω | ±1% | 0.1 | 0603 | ±100ppm/°C | -55°C to 155°C | Yes | Active | 67061 Pcs |
| CR0603-FX-2800ELF | Bourns Inc. | 280 Ω | ±1% | 0.1 | 0603 | ±100ppm/°C | -55°C to 155°C | No | Active | 14668 Pcs |
| RC0603FR-07280RL | YAGEO | 280 Ω | ±1% | 0.1 | 0603 | ±100ppm/°C | -55°C to 155°C | No | Active | 42977 Pcs |
Engineering Selection Recommendations
For applications requiring automotive AEC-Q200 certification, select from active-status direct substitutes: CRCW0603280RFKEA (Vishay Dale), ERJ-3EKF2800V (Panasonic Electronic Components), or RMCF0603FT280R (Stackpole Electronics Inc). These parts maintain full compliance with automotive standards and offer superior inventory availability compared to the discontinued MCR03EZPFX2800.
For non-automotive applications where AEC-Q200 certification is not required, CR0603-FX-2800ELF (Bourns Inc.) and RC0603FR-07280RL (YAGEO) provide equivalent electrical performance with moisture-resistant characteristics and active product status.
MCR03ERTF2800 (Rohm Semiconductor) is electrically equivalent but lacks explicit AEC-Q200 rating and is also discontinued, making it unsuitable as a primary replacement option.
Frequently Asked Questions (FAQ)
Q: Can I substitute MCR03EZPFX2800 with any of the listed parts?
A: All listed parts meet the core electrical specifications (280 Ohms ±1%, 0.1W, 0603 package, ±100ppm/°C temperature coefficient, -55°C to 155°C operating range). However, if your application requires AEC-Q200 automotive certification, use only CRCW0603280RFKEA, ERJ-3EKF2800V, or RMCF0603FT280R.
Q: What is the difference between direct and similar substitutes?
A: Direct substitutes maintain AEC-Q200 automotive certification. Similar substitutes meet all electrical and mechanical parameters but are rated for moisture resistance without explicit automotive qualification. Selection depends on application requirements.
Q: Are there dimensional differences between substitute parts?
A: All parts conform to the 0603 (1608 Metric) package standard. Minor variations exist in seated height (0.020" to 0.022") and length/width dimensions (1.55mm to 1.60mm L, 0.80mm to 0.85mm W), which are within standard 0603 package tolerances and do not affect PCB assembly compatibility.
Q: Which substitute has the best inventory availability?
A: ERJ-3EKF2800V (Panasonic Electronic Components) offers the highest inventory with 79986 pieces in stock, followed by RMCF0603FT280R (Stackpole Electronics Inc) with 67061 pieces.
Q: Is RoHS3 compliance maintained across all substitutes?
A: Yes, all substitute parts listed are ROHS3 compliant with MSL rating of 1 (Unlimited), matching the original MCR03EZPFX2800 specifications.
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