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MCR03EZPFX1913 Equivalent & Substitute Parts
Part Overview
The MCR03EZPFX1913 is a 191 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 | 191 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 | 1 (Unlimited) |
Substitute Part Grouping Explanation
Substitution for the MCR03EZPFX1913 is determined by strict equivalence across the following parameters: resistance value (191 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 Substitutes maintain full AEC-Q200 automotive qualification and identical electrical specifications. These parts are interchangeable without design modification.
Similar Substitutes meet all electrical and mechanical parameters but feature moisture-resistant construction instead of automotive AEC-Q200 rating. These parts are suitable for applications where automotive qualification is not mandatory but environmental protection is required.
Parameter Comparison
| Manufacturer Part Number | Manufacturer | Resistance | Tolerance | Power (W) | Package | Temp Coeff | Operating Temp | AEC-Q200 | Product Status | Packaging Type |
|---|---|---|---|---|---|---|---|---|---|---|
| MCR03EZPFX1913 | Rohm Semiconductor | 191 kOhms | ±1% | 0.1 | 0603 | ±100ppm/°C | -55°C to 155°C | Yes | Discontinued | — |
| CRCW0603191KFKEA | Vishay Dale | 191 kOhms | ±1% | 0.1 | 0603 | ±100ppm/°C | -55°C to 155°C | Yes | Active | Tape & Reel |
| ERJ-3EKF1913V | Panasonic Electronic Components | 191 kOhms | ±1% | 0.1 | 0603 | ±100ppm/°C | -55°C to 155°C | Yes | Active | Tape & Reel |
| RMCF0603FT191K | Stackpole Electronics Inc | 191 kOhms | ±1% | 0.1 | 0603 | ±100ppm/°C | -55°C to 155°C | Yes | Active | Tape & Reel |
| CR0603-FX-1913ELF | Bourns Inc. | 191 kOhms | ±1% | 0.1 | 0603 | ±100ppm/°C | -55°C to 155°C | No | Active | Tape & Reel |
| RC0603FR-07191KL | YAGEO | 191 kOhms | ±1% | 0.1 | 0603 | ±100ppm/°C | -55°C to 155°C | No | Active | Tape & Reel |
| RC1608F1913CS | Samsung Electro-Mechanics | 191 kOhms | ±1% | 0.1 | 0603 | ±100ppm/°C | -55°C to 155°C | No | Active | Cut Tape |
Engineering Selection Recommendations
For applications requiring automotive AEC-Q200 compliance, select from the direct substitutes: CRCW0603191KFKEA (Vishay Dale), ERJ-3EKF1913V (Panasonic Electronic Components), or RMCF0603FT191K (Stackpole Electronics Inc). All three maintain active product status with full AEC-Q200 qualification and identical electrical parameters to the original MCR03EZPFX1913.
For non-automotive applications where moisture resistance is beneficial but AEC-Q200 qualification is not required, CR0603-FX-1913ELF (Bourns Inc.), RC0603FR-07191KL (YAGEO), or RC1608F1913CS (Samsung Electro-Mechanics) are suitable alternatives. All substitute parts are RoHS3 compliant and REACH unaffected.
Packaging format should be considered based on assembly requirements: Tape & Reel (TR) packaging is standard for high-volume production, while Cut Tape (CT) packaging is available for lower-volume applications.
Frequently Asked Questions (FAQ)
Q: Can I use a similar substitute part in place of a direct substitute? A: Similar substitute parts meet all electrical and mechanical specifications but lack AEC-Q200 automotive certification. Use similar substitutes only in applications where automotive qualification is not a design requirement.
Q: Are all substitute parts pin-compatible with the MCR03EZPFX1913? A: Yes. All substitute parts use the 0603 (1608 Metric) package with identical two-termination configuration and footprint dimensions within specified tolerances.
Q: What is the difference between Tape & Reel and Cut Tape packaging? A: Tape & Reel (TR) packaging is supplied on continuous carrier tape suitable for automated pick-and-place assembly. Cut Tape (CT) packaging is supplied as individual segments, typically for lower-volume or manual assembly applications.
Q: Do all substitute parts meet the same temperature coefficient specification? A: Yes. All substitute parts maintain ±100ppm/°C temperature coefficient and -55°C to 155°C operating temperature range, matching the original MCR03EZPFX1913 specification.
Q: Are there inventory considerations when selecting a substitute? A: Inventory levels vary by manufacturer and distributor. ERJ-3EKF1913V (Panasonic) and RC0603FR-07191KL (YAGEO) show higher inventory availability. Verify current stock with your component supplier before design finalization.
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