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MCR03EZPFX2100 Equivalent & Substitute Parts
Part Overview
The MCR03EZPFX2100 is a 210 Ohms ±1% 0.1W chip resistor in 0603 (1608 Metric) package manufactured by Rohm Semiconductor. This automotive-grade thick film resistor meets AEC-Q200 qualification standards and operates across -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 | 210 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 ~ 155°C |
| Number of Terminations | 2 |
| RoHS Status | ROHS3 Compliant |
| Moisture Sensitivity Level | 1 (Unlimited) |
Substitute Part Grouping Explanation
Substitution eligibility for the MCR03EZPFX2100 is determined by strict equivalence across the following parameters:
- Resistance value: 210 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 ~ 155°C
- Termination count: 2
- RoHS compliance: ROHS3 Compliant
- Moisture sensitivity: MSL 1
Substitute parts are categorized as Direct Equivalents (matching all parameters including automotive AEC-Q200 certification) or Similar Equivalents (matching all electrical and mechanical parameters with alternative feature sets).
Parameter Comparison
| Part Number | Manufacturer | Resistance | Tolerance | Power (W) | Package | Temp Coeff | Op. Temp Range | AEC-Q200 | Product Status | Inventory |
|---|---|---|---|---|---|---|---|---|---|---|
| MCR03EZPFX2100 | Rohm Semiconductor | 210 Ω | ±1% | 0.1 | 0603 | ±100ppm/°C | -55°C ~ 155°C | Yes | Discontinued | 862 Pcs |
| MCR03ERTF2100 | Rohm Semiconductor | 210 Ω | ±1% | 0.1 | 0603 | ±100ppm/°C | -55°C ~ 155°C | No | Discontinued | 2661 Pcs |
| CRCW0603210RFKEA | Vishay Dale | 210 Ω | ±1% | 0.1 | 0603 | ±100ppm/°C | -55°C ~ 155°C | Yes | Active | 36523 Pcs |
| ERJ-3EKF2100V | Panasonic Electronic Components | 210 Ω | ±1% | 0.1 | 0603 | ±100ppm/°C | -55°C ~ 155°C | Yes | Active | 96407 Pcs |
| RMCF0603FT210R | Stackpole Electronics Inc | 210 Ω | ±1% | 0.1 | 0603 | ±100ppm/°C | -55°C ~ 155°C | Yes | Active | 17649 Pcs |
| CR0603-FX-2100ELF | Bourns Inc. | 210 Ω | ±1% | 0.1 | 0603 | ±100ppm/°C | -55°C ~ 155°C | No | Active | 25787 Pcs |
| RC0603FR-07210RL | YAGEO | 210 Ω | ±1% | 0.1 | 0603 | ±100ppm/°C | -55°C ~ 155°C | No | Active | 218614 Pcs |
Engineering Selection Recommendations
For applications requiring automotive AEC-Q200 certification, select from the Direct Equivalent group: CRCW0603210RFKEA (Vishay Dale), ERJ-3EKF2100V (Panasonic Electronic Components), or RMCF0603FT210R (Stackpole Electronics Inc). All three are currently in active production status with robust inventory availability.
For non-automotive applications where AEC-Q200 certification is not required, Similar Equivalents CR0603-FX-2100ELF (Bourns Inc.) and RC0603FR-07210RL (YAGEO) provide full electrical and mechanical compatibility. RC0603FR-07210RL offers the highest inventory level at 218,614 pieces.
MCR03ERTF2100 (Rohm Semiconductor) is a Direct Equivalent from the same manufacturer but lacks AEC-Q200 certification and is also discontinued.
Frequently Asked Questions (FAQ)
Q: Can MCR03EZPFX2100 be replaced with any of these substitute parts?
A: Yes, all listed parts are electrically and mechanically equivalent. They share identical resistance (210 Ω), tolerance (±1%), power rating (0.1W), package (0603), temperature coefficient (±100ppm/°C), and operating temperature range (-55°C ~ 155°C).
Q: What is the difference between Direct Equivalents and Similar Equivalents?
A: Direct Equivalents (CRCW0603210RFKEA, ERJ-3EKF2100V, RMCF0603FT210R) carry AEC-Q200 automotive qualification matching the original part. Similar Equivalents (CR0603-FX-2100ELF, RC0603FR-07210RL) meet all electrical and mechanical specifications but feature alternative certifications (Moisture Resistant instead of AEC-Q200).
Q: Are there dimensional differences between substitute parts?
A: Minor dimensional variations exist within tolerance. MCR03EZPFX2100, ERJ-3EKF2100V, CR0603-FX-2100ELF, and RC0603FR-07210RL measure 0.063" L x 0.031" W (1.60mm x 0.80mm). CRCW0603210RFKEA and RMCF0603FT210R measure 0.061" L x 0.033" W (1.55mm x 0.85mm) and 0.061" L x 0.031" W (1.55mm x 0.80mm) respectively. All fit the 0603 package footprint.
Q: Which substitute offers the best availability?
A: RC0603FR-07210RL (YAGEO) has the highest inventory at 218,614 pieces. ERJ-3EKF2100V (Panasonic) follows with 96,407 pieces.
Q: Can I use these parts interchangeably in automotive applications?
A: For automotive applications requiring AEC-Q200 certification, use only CRCW0603210RFKEA, ERJ-3EKF2100V, or RMCF0603FT210R. CR0603-FX-2100ELF and RC0603FR-07210RL lack this certification and are suitable only for non-automotive applications.
Q: What is MSL 1 and why does it matter?
A: Moisture Sensitivity Level 1 (Unlimited) indicates the component has no moisture sensitivity restrictions. All listed parts share this rating, requiring no special handling or storage conditions.
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