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MCR03EZPFX5232 Equivalent & Substitute Parts
Part Overview
The MCR03EZPFX5232 is a 52.3 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 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 | 52.3 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 to 155°C |
| Automotive Rating | AEC-Q200 |
| RoHS Status | ROHS3 Compliant |
| Moisture Sensitivity Level | MSL 1 (Unlimited) |
Substitute Part Grouping Explanation
Substitution eligibility for the MCR03EZPFX5232 is determined by strict equivalence across the following parameters:
- Resistance value: 52.3 kOhms (exact match required)
- Tolerance: ±1% (exact match required)
- Power rating: 0.1W / 1/10W (exact match required)
- Package: 0603 (1608 Metric) (exact match required)
- Composition: Thick Film (exact match required)
- Temperature coefficient: ±100ppm/°C (exact match required)
- Operating temperature range: -55°C to 155°C (exact match required)
- RoHS compliance: ROHS3 Compliant (exact match required)
- Moisture sensitivity: MSL 1 (exact match required)
All substitute parts listed below meet these criteria. Direct substitutes maintain full AEC-Q200 automotive qualification. Similar substitutes maintain moisture-resistant thick film composition with equivalent electrical and thermal characteristics.
Parameter Comparison
| Manufacturer Part Number | Manufacturer | Resistance | Tolerance | Power (W) | Package | Temp Coeff | Operating Temp | AEC-Q200 | RoHS3 | MSL | Product Status |
|---|---|---|---|---|---|---|---|---|---|---|---|
| MCR03EZPFX5232 | Rohm Semiconductor | 52.3 kOhms | ±1% | 0.1 | 0603 | ±100ppm/°C | -55°C ~ 155°C | Yes | Yes | 1 | Discontinued |
| CRCW060352K3FKEA | Vishay Dale | 52.3 kOhms | ±1% | 0.1 | 0603 | ±100ppm/°C | -55°C ~ 155°C | Yes | Yes | 1 | Active |
| ERJ-3EKF5232V | Panasonic Electronic Components | 52.3 kOhms | ±1% | 0.1 | 0603 | ±100ppm/°C | -55°C ~ 155°C | Yes | Yes | 1 | Active |
| RMCF0603FT52K3 | Stackpole Electronics Inc | 52.3 kOhms | ±1% | 0.1 | 0603 | ±100ppm/°C | -55°C ~ 155°C | Yes | Yes | 1 | Active |
| CR0603-FX-5232ELF | Bourns Inc. | 52.3 kOhms | ±1% | 0.1 | 0603 | ±100ppm/°C | -55°C ~ 155°C | No | Yes | 1 | Active |
| RC0603FR-0752K3L | YAGEO | 52.3 kOhms | ±1% | 0.1 | 0603 | ±100ppm/°C | -55°C ~ 155°C | No | Yes | 1 | Active |
| RC1608F5232CS | Samsung Electro-Mechanics | 52.3 kOhms | ±1% | 0.1 | 0603 | ±100ppm/°C | -55°C ~ 155°C | No | Yes | 1 | Active |
Engineering Selection Recommendations
For automotive applications requiring AEC-Q200 compliance, direct substitutes CRCW060352K3FKEA (Vishay Dale), ERJ-3EKF5232V (Panasonic Electronic Components), and RMCF0603FT52K3 (Stackpole Electronics Inc) maintain full qualification equivalence to the original MCR03EZPFX5232. All three are currently in active production status with substantial inventory availability.
For non-automotive or general-purpose applications where AEC-Q200 certification is not required, similar substitutes CR0603-FX-5232ELF (Bourns Inc.), RC0603FR-0752K3L (YAGEO), and RC1608F5232CS (Samsung Electro-Mechanics) provide equivalent electrical performance and thermal characteristics. These parts maintain ROHS3 compliance and MSL 1 rating.
All listed substitutes are ROHS3 compliant and carry MSL 1 moisture sensitivity rating, ensuring compatibility with standard PCB assembly and storage conditions.
Frequently Asked Questions (FAQ)
Q: Can I use a substitute part in an automotive application originally designed for MCR03EZPFX5232?
A: Direct substitutes CRCW060352K3FKEA, ERJ-3EKF5232V, and RMCF0603FT52K3 maintain AEC-Q200 automotive qualification and are suitable for automotive applications. Similar substitutes (Bourns, YAGEO, Samsung) do not carry AEC-Q200 rating and should not be used in automotive applications without design review.
Q: Are all substitute parts available in the same package?
A: Yes. All substitute parts use the 0603 (1608 Metric) package with identical footprint dimensions and land pattern compatibility. Physical dimensions vary slightly between manufacturers but remain within standard PCB assembly tolerances.
Q: What is the difference between direct and similar substitutes?
A: Direct substitutes maintain AEC-Q200 automotive qualification. Similar substitutes feature moisture-resistant thick film composition but do not carry automotive certification. Both categories meet identical electrical specifications and temperature performance.
Q: Can I mix substitute parts from different manufacturers in the same assembly?
A: Yes. All substitute parts meet identical electrical, thermal, and compliance specifications. Mixed sourcing is permissible from a functional standpoint, though single-source procurement is recommended for supply chain consistency.
Q: Are there any dimensional differences I should consider for PCB layout?
A: All parts use 0603 package with standard footprint. Seated height varies slightly (0.50mm to 0.55mm maximum), which is within standard PCB assembly clearance specifications and does not affect layout or routing.
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