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MCR03EZPFX1183 Equivalent & Substitute Parts
Part Overview
The MCR03EZPFX1183 is a 118 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 | 118 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 MCR03EZPFX1183 is determined by strict equivalence across the following parameters:
- Resistance value: 118 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
- RoHS3 compliance
- MSL rating: 1 (Unlimited)
Substitute parts are categorized into two groups:
Direct Substitutes maintain full AEC-Q200 automotive qualification and are sourced from active product lines. These include MCR03ERTF1183 (Rohm Semiconductor), CRCW0603118KFKEA (Vishay Dale), ERJ-3EKF1183V (Panasonic Electronic Components), and RMCF0603FT118K (Stackpole Electronics Inc).
Similar Substitutes meet all electrical and mechanical parameters but feature moisture-resistant composition without explicit AEC-Q200 automotive certification. These include CR0603-FX-1183ELF (Bourns Inc.), RC0603FR-07118KL (YAGEO), and RC1608F1183CS (Samsung Electro-Mechanics).
Parameter Comparison
| Manufacturer Part Number | Manufacturer | Resistance | Tolerance | Power (W) | Package | Temp Coeff | Operating Temp | AEC-Q200 | Product Status | Inventory (Pcs) |
|---|---|---|---|---|---|---|---|---|---|---|
| MCR03EZPFX1183 | Rohm Semiconductor | 118 kOhms | ±1% | 0.1 | 0603 | ±100ppm/°C | -55°C to 155°C | Yes | Discontinued | 828 |
| MCR03ERTF1183 | Rohm Semiconductor | 118 kOhms | ±1% | 0.1 | 0603 | ±100ppm/°C | -55°C to 155°C | No | Discontinued | 1097 |
| CRCW0603118KFKEA | Vishay Dale | 118 kOhms | ±1% | 0.1 | 0603 | ±100ppm/°C | -55°C to 155°C | Yes | Active | 41690 |
| ERJ-3EKF1183V | Panasonic Electronic Components | 118 kOhms | ±1% | 0.1 | 0603 | ±100ppm/°C | -55°C to 155°C | Yes | Active | 98651 |
| RMCF0603FT118K | Stackpole Electronics Inc | 118 kOhms | ±1% | 0.1 | 0603 | ±100ppm/°C | -55°C to 155°C | Yes | Active | 80653 |
| CR0603-FX-1183ELF | Bourns Inc. | 118 kOhms | ±1% | 0.1 | 0603 | ±100ppm/°C | -55°C to 155°C | No | Active | 61955 |
| RC0603FR-07118KL | YAGEO | 118 kOhms | ±1% | 0.1 | 0603 | ±100ppm/°C | -55°C to 155°C | No | Active | 105992 |
| RC1608F1183CS | Samsung Electro-Mechanics | 118 kOhms | ±1% | 0.1 | 0603 | ±100ppm/°C | -55°C to 155°C | No | Active | 797 |
Engineering Selection Recommendations
For applications requiring AEC-Q200 automotive qualification, select from active product lines: CRCW0603118KFKEA (Vishay Dale), ERJ-3EKF1183V (Panasonic Electronic Components), or RMCF0603FT118K (Stackpole Electronics Inc). These parts maintain full automotive compliance and are currently in active production with substantial inventory availability.
For non-automotive applications or where moisture-resistant composition is sufficient, CR0603-FX-1183ELF (Bourns Inc.), RC0603FR-07118KL (YAGEO), and RC1608F1183CS (Samsung Electro-Mechanics) provide equivalent electrical and mechanical performance with active product status and higher inventory levels.
MCR03ERTF1183 from Rohm Semiconductor is available but discontinued, making it unsuitable for long-term supply chain planning despite higher inventory than the original MCR03EZPFX1183.
Frequently Asked Questions (FAQ)
Q: Can I use a substitute part with different AEC-Q200 status in automotive applications?
A: AEC-Q200 certification is a specific automotive qualification. Parts without this rating do not meet automotive standards. For automotive applications, use only CRCW0603118KFKEA, ERJ-3EKF1183V, or RMCF0603FT118K.
Q: Are all substitute parts pin-compatible with the original MCR03EZPFX1183?
A: Yes. All substitute parts use the 0603 (1608 Metric) package with 2 terminations and identical footprint dimensions, ensuring direct PCB compatibility.
Q: What is the difference between direct substitutes and similar substitutes?
A: Direct substitutes maintain AEC-Q200 automotive certification. Similar substitutes meet all electrical and mechanical parameters but feature moisture-resistant composition without explicit automotive qualification. Selection depends on application requirements.
Q: Why do some substitutes have different physical dimensions listed?
A: Slight variations in seated height and length (within 0.002" to 0.005") are within manufacturing tolerances for 0603 package resistors and do not affect PCB assembly or electrical performance.
Q: Which substitute has the best inventory availability?
A: RC0603FR-07118KL (YAGEO) has the highest inventory at 105,992 pieces. For automotive-qualified parts, ERJ-3EKF1183V (Panasonic) offers 98,651 pieces.
Q: Are all substitutes RoHS3 compliant?
A: Yes. All listed substitute parts are ROHS3 compliant with MSL rating of 1 (Unlimited), matching the original part's environmental compliance.
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