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MCR03EZPFX3092 Equivalent & Substitute Parts
Part Overview
The MCR03EZPFX3092 is a 30.9 kOhms ±1% thick film chip resistor in 0603 (1608 Metric) package rated for 0.1W power dissipation. Manufactured by Rohm Semiconductor, this component is designed for automotive applications and meets AEC-Q200 qualification standards. 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 | 30.9 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 |
| RoHS Status | ROHS3 Compliant |
| Moisture Sensitivity Level | MSL 1 (Unlimited) |
Substitute Part Grouping Explanation
Substitution eligibility for the MCR03EZPFX3092 is determined by strict equivalence across the following parameters:
- Resistance value: 30.9 kOhms (exact match required)
- Tolerance: ±1% (exact match required)
- Power rating: 0.1W, 1/10W (exact match required)
- Package: 0603 (1608 Metric) (exact match required)
- Composition: Thick Film (exact match required)
- Temperature coefficient: ±100ppm/°C (exact match required)
- Operating temperature range: -55°C to 155°C (exact match required)
- RoHS compliance: ROHS3 Compliant (exact match required)
- Moisture sensitivity: MSL 1 (exact match required)
All identified substitute parts meet these criteria. Parts are categorized as Direct Manufacturer equivalents (functionally and mechanically identical, including automotive AEC-Q200 rating) or Similar parts (functionally equivalent but with alternative feature sets such as moisture-resistant composition instead of automotive qualification).
Parameter Comparison
| Manufacturer Part Number | Manufacturer | Resistance | Tolerance | Power (W) | Package | Temp Coeff (ppm/°C) | Operating Temp (°C) | AEC-Q200 | Product Status | Packaging Type | Inventory (Pcs) |
|---|---|---|---|---|---|---|---|---|---|---|---|
| MCR03EZPFX3092 | Rohm Semiconductor | 30.9 kOhms | ±1% | 0.1 | 0603 | ±100 | -55 to 155 | Yes | Discontinued | - | 753 |
| CRCW060330K9FKEA | Vishay Dale | 30.9 kOhms | ±1% | 0.1 | 0603 | ±100 | -55 to 155 | Yes | Active | Tape & Reel | 49868 |
| ERJ-3EKF3092V | Panasonic Electronic Components | 30.9 kOhms | ±1% | 0.1 | 0603 | ±100 | -55 to 155 | Yes | Active | Cut Tape & Digi-Reel | 82896 |
| RMCF0603FT30K9 | Stackpole Electronics Inc | 30.9 kOhms | ±1% | 0.1 | 0603 | ±100 | -55 to 155 | Yes | Active | Tape & Reel | 108108 |
| CR0603-FX-3092ELF | Bourns Inc. | 30.9 kOhms | ±1% | 0.1 | 0603 | ±100 | -55 to 155 | No | Active | Tape & Reel | 38882 |
| RC0603FR-0730K9L | YAGEO | 30.9 kOhms | ±1% | 0.1 | 0603 | ±100 | -55 to 155 | No | Active | Cut Tape & Digi-Reel | 15200 |
Engineering Selection Recommendations
For applications requiring strict automotive AEC-Q200 compliance, select from the Direct Manufacturer equivalents: CRCW060330K9FKEA (Vishay Dale), ERJ-3EKF3092V (Panasonic Electronic Components), or RMCF0603FT30K9 (Stackpole Electronics Inc). All three maintain full AEC-Q200 qualification and are currently in active production with substantial inventory availability.
For non-automotive applications where AEC-Q200 qualification is not required, CR0603-FX-3092ELF (Bourns Inc.) and RC0603FR-0730K9L (YAGEO) are functionally equivalent alternatives. Both parts maintain identical electrical specifications and operating temperature range while offering moisture-resistant composition as an alternative feature set.
All substitute parts are ROHS3 compliant, MSL 1 rated, and suitable for direct PCB assembly replacement without design modification.
Frequently Asked Questions (FAQ)
Q: Can I use CR0603-FX-3092ELF or RC0603FR-0730K9L as direct replacements for MCR03EZPFX3092 in automotive applications?
A: CR0603-FX-3092ELF and RC0603FR-0730K9L are not AEC-Q200 qualified. If your application requires automotive qualification, use CRCW060330K9FKEA, ERJ-3EKF3092V, or RMCF0603FT30K9 instead.
Q: Are all substitute parts physically compatible with the original PCB footprint?
A: Yes. All substitute parts use the 0603 (1608 Metric) package with identical termination count (2 terminations) and compatible maximum seated height specifications (0.020" to 0.022"). PCB footprints require no modification.
Q: What is the difference between Direct Manufacturer equivalents and Similar parts?
A: Direct Manufacturer equivalents (CRCW060330K9FKEA, ERJ-3EKF3092V, RMCF0603FT30K9) include AEC-Q200 automotive qualification matching the original part. Similar parts (CR0603-FX-3092ELF, RC0603FR-0730K9L) offer moisture-resistant composition but lack automotive qualification.
Q: Which substitute has the highest inventory availability?
A: RMCF0603FT30K9 (Stackpole Electronics Inc) has the highest inventory at 108,108 pieces, followed by ERJ-3EKF3092V (Panasonic) at 82,896 pieces.
Q: Do all parts meet RoHS and REACH compliance requirements?
A: Yes. All substitute parts are ROHS3 compliant and REACH unaffected, matching the original MCR03EZPFX3092 compliance status.
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