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MCR03EZPFX1872 Equivalent & Substitute Parts
Part Overview
The MCR03EZPFX1872 is an 18.7 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 | 18.7 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 to 155°C |
| Automotive Rating | AEC-Q200 |
| RoHS Status | ROHS3 Compliant |
| Moisture Sensitivity Level | 1 (Unlimited) |
Substitute Part Grouping Explanation
Substitution for the MCR03EZPFX1872 is determined by strict equivalence across the following parameters: resistance value (18.7 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, EAR99).
Substitute parts are grouped into two categories:
Direct Equivalents maintain full AEC-Q200 automotive qualification: CRCW060318K7FKEA (Vishay Dale), ERJ-3EKF1872V (Panasonic Electronic Components), and RMCF0603FT18K7 (Stackpole Electronics Inc).
Similar Equivalents meet all electrical and mechanical specifications but feature moisture-resistant construction instead of automotive AEC-Q200 rating: CR0603-FX-1872ELF (Bourns Inc.) and RC0603FR-0718K7L (YAGEO).
All substitute parts share identical resistance, tolerance, power rating, package dimensions, temperature coefficient, and operating temperature range as the original component.
Parameter Comparison
| Manufacturer Part Number | Manufacturer | Resistance | Tolerance | Power (W) | Package | Temp Coeff | Operating Temp | AEC-Q200 | Product Status | Inventory |
|---|---|---|---|---|---|---|---|---|---|---|
| MCR03EZPFX1872 | Rohm Semiconductor | 18.7 kOhms | ±1% | 0.1 | 0603 | ±100ppm/°C | -55°C to 155°C | Yes | Discontinued | 675 Pcs |
| CRCW060318K7FKEA | Vishay Dale | 18.7 kOhms | ±1% | 0.1 | 0603 | ±100ppm/°C | -55°C to 155°C | Yes | Active | 31387 Pcs |
| ERJ-3EKF1872V | Panasonic Electronic Components | 18.7 kOhms | ±1% | 0.1 | 0603 | ±100ppm/°C | -55°C to 155°C | Yes | Active | 110459 Pcs |
| RMCF0603FT18K7 | Stackpole Electronics Inc | 18.7 kOhms | ±1% | 0.1 | 0603 | ±100ppm/°C | -55°C to 155°C | Yes | Active | 40901 Pcs |
| CR0603-FX-1872ELF | Bourns Inc. | 18.7 kOhms | ±1% | 0.1 | 0603 | ±100ppm/°C | -55°C to 155°C | No | Active | 24572 Pcs |
| RC0603FR-0718K7L | YAGEO | 18.7 kOhms | ±1% | 0.1 | 0603 | ±100ppm/°C | -55°C to 155°C | No | Active | 60126 Pcs |
Engineering Selection Recommendations
For applications requiring strict automotive AEC-Q200 compliance, select from the direct equivalent group: CRCW060318K7FKEA, ERJ-3EKF1872V, or RMCF0603FT18K7. All three maintain active product status with established supply availability.
For non-automotive applications or where moisture-resistant construction is acceptable, CR0603-FX-1872ELF and RC0603FR-0718K7L provide functional equivalence with active product status and higher inventory levels.
All substitute parts maintain RoHS3 compliance, REACH unaffected status, and EAR99 export classification consistent with the original component.
Frequently Asked Questions (FAQ)
Q: Can CR0603-FX-1872ELF or RC0603FR-0718K7L be used in automotive applications requiring AEC-Q200?
A: No. These parts feature moisture-resistant construction rather than AEC-Q200 automotive qualification. Use CRCW060318K7FKEA, ERJ-3EKF1872V, or RMCF0603FT18K7 for automotive applications.
Q: Are all substitute parts physically compatible with the MCR03EZPFX1872 footprint?
A: Yes. All substitute parts use the 0603 (1608 Metric) package. Dimensional variations (length 1.55mm to 1.60mm, width 0.80mm to 0.85mm, height 0.50mm to 0.55mm) are within standard PCB design tolerances.
Q: What is the difference between direct equivalents and similar equivalents?
A: Direct equivalents (CRCW060318K7FKEA, ERJ-3EKF1872V, RMCF0603FT18K7) carry AEC-Q200 automotive certification. Similar equivalents (CR0603-FX-1872ELF, RC0603FR-0718K7L) meet all electrical specifications but use moisture-resistant construction without automotive qualification.
Q: Do all substitute parts meet the same temperature coefficient and operating range?
A: Yes. All substitute parts maintain ±100ppm/°C temperature coefficient and -55°C to 155°C operating temperature range.
Q: Which substitute offers the best supply availability?
A: ERJ-3EKF1872V (Panasonic) offers the highest inventory at 110,459 pieces, followed by RC0603FR-0718K7L (YAGEO) at 60,126 pieces.
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