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MCR03EZPFX1740 Equivalent & Substitute Parts
Part Overview
The MCR03EZPFX1740 is a 174 Ohms ±1% 0.1W thick film chip resistor in 0603 (1608 Metric) package with automotive AEC-Q200 qualification. This part is discontinued at DiGi Electronics, necessitating identification of equivalent alternatives that maintain identical electrical and mechanical specifications for seamless integration into existing designs and production environments.
Substiute Parts
Key Parameters
| Parameter | Value |
|---|---|
| Resistance | 174 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 ~ 155°C |
| Moisture Sensitivity Level | 1 (Unlimited) |
| RoHS Status | ROHS3 Compliant |
Substitute Part Grouping Explanation
Substitution eligibility is determined by strict equivalence across the following parameters: resistance value (174 Ohms), tolerance (±1%), power rating (0.1W), package type (0603), composition (thick film), temperature coefficient (±100ppm/°C), operating temperature range (-55°C ~ 155°C), and compliance certifications (RoHS3, REACH Unaffected, EAR99).
Substitute parts are categorized into two groups:
Direct Equivalents maintain automotive AEC-Q200 qualification identical to the main part: CRCW0603174RFKEA (Vishay Dale) and ERJ-3EKF1740V (Panasonic Electronic Components).
Functional Equivalents meet all electrical and mechanical specifications with active product status but differ in specific feature certifications: RMCF0603FT174R (Stackpole Electronics Inc), CR0603-FX-1740ELF (Bourns Inc.), and RC0603FR-07174RL (YAGEO).
Parameter Comparison
| Manufacturer Part Number | Manufacturer | Resistance | Tolerance | Power (W) | Package | Temp Coeff | Operating Temp | AEC-Q200 | Product Status | Inventory (Pcs) |
|---|---|---|---|---|---|---|---|---|---|---|
| MCR03EZPFX1740 | Rohm Semiconductor | 174 Ω | ±1% | 0.1 | 0603 | ±100ppm/°C | -55°C ~ 155°C | Yes | Discontinued | 5100 |
| CRCW0603174RFKEA | Vishay Dale | 174 Ω | ±1% | 0.1 | 0603 | ±100ppm/°C | -55°C ~ 155°C | Yes | Active | 38960 |
| ERJ-3EKF1740V | Panasonic Electronic Components | 174 Ω | ±1% | 0.1 | 0603 | ±100ppm/°C | -55°C ~ 155°C | Yes | Active | 298382 |
| RMCF0603FT174R | Stackpole Electronics Inc | 174 Ω | ±1% | 0.1 | 0603 | ±100ppm/°C | -55°C ~ 155°C | Yes | Active | 58528 |
| CR0603-FX-1740ELF | Bourns Inc. | 174 Ω | ±1% | 0.1 | 0603 | ±100ppm/°C | -55°C ~ 155°C | No | Active | 27679 |
| RC0603FR-07174RL | YAGEO | 174 Ω | ±1% | 0.1 | 0603 | ±100ppm/°C | -55°C ~ 155°C | No | Active | 349690 |
Engineering Selection Recommendations
For applications requiring automotive AEC-Q200 compliance, CRCW0603174RFKEA and ERJ-3EKF1740V are direct equivalents with active product status and established supply availability. ERJ-3EKF1740V offers the highest inventory level (298,382 pcs), supporting extended production runs and supply chain continuity.
For non-automotive applications or designs where AEC-Q200 certification is not mandatory, RMCF0603FT174R, CR0603-FX-1740ELF, and RC0603FR-07174RL provide functionally equivalent performance with active status and robust inventory positions. RC0603FR-07174RL (YAGEO) provides maximum inventory availability (349,690 pcs).
All substitute parts maintain identical electrical specifications, package dimensions, and environmental compliance (RoHS3, REACH Unaffected, EAR99), ensuring direct PCB layout compatibility and thermal performance equivalence.
Frequently Asked Questions (FAQ)
Q: Can I use CR0603-FX-1740ELF or RC0603FR-07174RL as direct replacements for MCR03EZPFX1740 in automotive applications?
A: CR0603-FX-1740ELF and RC0603FR-07174RL lack AEC-Q200 automotive qualification. For automotive designs requiring AEC-Q200 compliance, use CRCW0603174RFKEA or ERJ-3EKF1740V instead.
Q: Are all substitute parts compatible with the original PCB layout?
A: Yes. All substitute parts share identical 0603 (1608 Metric) package specifications, footprint dimensions, and termination configuration (2 terminations). PCB layout modifications are not required.
Q: What is the difference between direct equivalents and functional equivalents?
A: Direct equivalents (CRCW0603174RFKEA, ERJ-3EKF1740V) maintain AEC-Q200 automotive qualification matching the original part. Functional equivalents (RMCF0603FT174R, CR0603-FX-1740ELF, RC0603FR-07174RL) meet all electrical and mechanical specifications but lack automotive certification.
Q: Do all substitute parts meet RoHS3 and REACH compliance?
A: Yes. All listed substitute parts are RoHS3 compliant and REACH unaffected, matching the environmental compliance profile of MCR03EZPFX1740.
Q: Which substitute part offers the best supply availability?
A: RC0603FR-07174RL (YAGEO) provides the highest inventory level at 349,690 pcs. For automotive-qualified alternatives, ERJ-3EKF1740V (Panasonic) offers 298,382 pcs.
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