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MCR03EZPFX5233 Equivalent & Substitute Parts
Part Overview
The MCR03EZPFX5233 is a 523 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 | 523 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 |
| Terminations | 2 |
| RoHS Status | ROHS3 Compliant |
| Moisture Sensitivity Level | 1 (Unlimited) |
Substitute Part Grouping Explanation
Substitution for the MCR03EZPFX5233 is determined by strict equivalence across the following parameters: resistance value (523 kOhms), tolerance (±1%), power rating (0.1W), package type (0603), composition (thick film), temperature coefficient (±100ppm/°C), operating temperature range (-55°C to 155°C), and compliance certifications (RoHS3, REACH Unaffected).
Direct substitutes maintain all electrical and mechanical specifications identical to the original part. Similar substitutes meet all critical electrical parameters and package requirements but may differ in specific features such as automotive AEC-Q200 rating or moisture resistance designation. All identified substitutes are available in active production status with adequate inventory levels.
Parameter Comparison
| Manufacturer Part Number | Manufacturer | Resistance | Tolerance | Power (W) | Package | Temp Coeff | Operating Temp | AEC-Q200 | Product Status | Inventory (Pcs) |
|---|---|---|---|---|---|---|---|---|---|---|
| MCR03EZPFX5233 | Rohm Semiconductor | 523 kOhms | ±1% | 0.1 | 0603 | ±100ppm/°C | -55°C ~ 155°C | Yes | Discontinued | 938 |
| CRCW0603523KFKEA | Vishay Dale | 523 kOhms | ±1% | 0.1 | 0603 | ±100ppm/°C | -55°C ~ 155°C | Yes | Active | 17424 |
| ERJ-3EKF5233V | Panasonic Electronic Components | 523 kOhms | ±1% | 0.1 | 0603 | ±100ppm/°C | -55°C ~ 155°C | Yes | Active | 71935 |
| RMCF0603FT523K | Stackpole Electronics Inc | 523 kOhms | ±1% | 0.1 | 0603 | ±100ppm/°C | -55°C ~ 155°C | Yes | Active | 52709 |
| CR0603-FX-5233ELF | Bourns Inc. | 523 kOhms | ±1% | 0.1 | 0603 | ±100ppm/°C | -55°C ~ 155°C | No | Active | 25161 |
| RC0603FR-07523KL | YAGEO | 523 kOhms | ±1% | 0.1 | 0603 | ±100ppm/°C | -55°C ~ 155°C | No | Active | 53870 |
Engineering Selection Recommendations
For applications requiring strict automotive AEC-Q200 compliance, direct substitutes CRCW0603523KFKEA (Vishay Dale), ERJ-3EKF5233V (Panasonic Electronic Components), and RMCF0603FT523K (Stackpole Electronics Inc) are fully qualified replacements. All three maintain active production status with robust inventory availability.
For applications where AEC-Q200 certification is not mandatory, CR0603-FX-5233ELF (Bourns Inc.) and RC0603FR-07523KL (YAGEO) provide equivalent electrical performance with moisture-resistant thick film construction. Both parts are in active production with substantial inventory levels.
All substitute parts maintain RoHS3 compliance, REACH unaffected status, and identical electrical specifications including resistance, tolerance, power rating, temperature coefficient, and operating temperature range.
Frequently Asked Questions (FAQ)
Q: Can MCR03EZPFX5233 be replaced with CRCW0603523KFKEA in automotive applications?
A: Yes. CRCW0603523KFKEA is a direct substitute with identical electrical specifications (523 kOhms ±1%, 0.1W), package (0603), temperature coefficient (±100ppm/°C), operating range (-55°C to 155°C), and AEC-Q200 automotive rating. Physical dimensions are within acceptable tolerance for PCB assembly.
Q: What is the difference between direct and similar substitutes?
A: Direct substitutes (CRCW0603523KFKEA, ERJ-3EKF5233V, RMCF0603FT523K) maintain AEC-Q200 automotive certification identical to the original MCR03EZPFX5233. Similar substitutes (CR0603-FX-5233ELF, RC0603FR-07523KL) meet all electrical and package requirements but feature moisture-resistant construction without explicit AEC-Q200 rating.
Q: Are all substitutes compatible with existing PCB designs?
A: Yes. All substitute parts use the 0603 (1608 Metric) package with identical termination count (2) and compatible physical dimensions. No PCB layout modifications are required for substitution.
Q: Which substitute offers the best inventory availability?
A: ERJ-3EKF5233V (Panasonic) provides the highest inventory level at 71,935 pieces, followed by RC0603FR-07523KL (YAGEO) at 53,870 pieces and RMCF0603FT523K (Stackpole) at 52,709 pieces.
Q: Do all substitutes meet RoHS and REACH compliance?
A: Yes. All identified substitutes are RoHS3 compliant and REACH unaffected, matching the original MCR03EZPFX5233 compliance status.
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