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MCR03EZPFX6810 Equivalent & Substitute Parts
Part Overview
The MCR03EZPFX6810 is a 681 Ohms ±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, necessitating identification of equivalent substitute components that maintain identical electrical and mechanical specifications for seamless design compatibility.
Substiute Parts
Key Parameters
| Parameter | Specification |
|---|---|
| Resistance Value | 681 Ohms |
| 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 |
| RoHS Status | ROHS3 Compliant |
| Moisture Sensitivity Level | 1 (Unlimited) |
Substitute Part Grouping Explanation
Substitute parts for the MCR03EZPFX6810 are classified based on strict equivalence to the following critical parameters: resistance value (681 Ohms), 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 environmental compliance (ROHS3, MSL 1).
Direct substitutes maintain all electrical and mechanical specifications identical to the main part. Similar substitutes meet all critical electrical parameters and package requirements but may differ in specific features such as automotive certification or moisture resistance designation, while remaining functionally equivalent within the specified operating envelope.
Parameter Comparison
| Manufacturer Part Number | Manufacturer | Resistance | Tolerance | Power (W) | Package | Temp Coeff | Op. Temp Range | Product Status | RoHS | MSL |
|---|---|---|---|---|---|---|---|---|---|---|
| MCR03EZPFX6810 | Rohm Semiconductor | 681 Ω | ±1% | 0.1 | 0603 | ±100ppm/°C | -55°C ~ 155°C | Discontinued | ROHS3 | 1 |
| CRCW0603681RFKEA | Vishay Dale | 681 Ω | ±1% | 0.1 | 0603 | ±100ppm/°C | -55°C ~ 155°C | Active | ROHS3 | 1 |
| ERJ-3EKF6810V | Panasonic Electronic Components | 681 Ω | ±1% | 0.1 | 0603 | ±100ppm/°C | -55°C ~ 155°C | Active | ROHS3 | 1 |
| RMCF0603FG681R | Stackpole Electronics Inc | 681 Ω | ±1% | 0.1 | 0603 | ±100ppm/°C | -55°C ~ 155°C | Active | ROHS3 | 1 |
| RMCF0603FT681R | Stackpole Electronics Inc | 681 Ω | ±1% | 0.1 | 0603 | ±100ppm/°C | -55°C ~ 155°C | Active | ROHS3 | 1 |
| CR0603-FX-6810ELF | Bourns Inc. | 681 Ω | ±1% | 0.1 | 0603 | ±100ppm/°C | -55°C ~ 155°C | Active | ROHS3 | 1 |
| RC0603FR-07681RL | YAGEO | 681 Ω | ±1% | 0.1 | 0603 | ±100ppm/°C | -55°C ~ 155°C | Active | ROHS3 | 1 |
Engineering Selection Recommendations
All listed substitute parts maintain active product status with established supply chains, providing reliable alternatives to the discontinued MCR03EZPFX6810. CRCW0603681RFKEA (Vishay Dale), ERJ-3EKF6810V (Panasonic), RMCF0603FG681R and RMCF0603FT681R (Stackpole Electronics) are direct functional equivalents with identical electrical specifications and AEC-Q200 automotive certification. CR0603-FX-6810ELF (Bourns) and RC0603FR-07681RL (YAGEO) provide equivalent electrical performance with moisture-resistant thick film composition. All candidates meet ROHS3 compliance and MSL 1 moisture sensitivity requirements. Selection should prioritize availability, packaging format preference (Cut Tape vs. Tape & Reel), and established supplier relationships.
Frequently Asked Questions (FAQ)
Q: Can I use any of these substitute parts as a direct replacement for MCR03EZPFX6810?
A: Yes. All listed parts share identical resistance value (681 Ohms), tolerance (±1%), power rating (0.1W), package type (0603), temperature coefficient (±100ppm/°C), and operating temperature range (-55°C to 155°C). They are electrically and mechanically interchangeable.
Q: What is the difference between direct and similar substitutes?
A: Direct substitutes (CRCW0603681RFKEA, ERJ-3EKF6810V, RMCF0603FG681R, RMCF0603FT681R) maintain AEC-Q200 automotive certification identical to the original part. Similar substitutes (CR0603-FX-6810ELF, RC0603FR-07681RL) meet all electrical specifications and package requirements with moisture-resistant composition but do not carry explicit AEC-Q200 designation. Both categories are functionally equivalent within specified parameters.
Q: Does packaging format (Cut Tape vs. Tape & Reel) affect electrical performance?
A: No. Packaging format affects only handling, storage, and assembly logistics. Electrical and mechanical specifications remain identical regardless of packaging type.
Q: Are all substitutes ROHS3 compliant?
A: Yes. All substitute parts listed are ROHS3 compliant with MSL 1 (Unlimited) moisture sensitivity level, matching the original MCR03EZPFX6810 environmental specifications.
Q: Which substitute has the highest inventory availability?
A: RMCF0603FT681R (Stackpole Electronics) shows 206,606 pieces in stock, followed by ERJ-3EKF6810V (Panasonic) with 107,719 pieces.
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