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MCR03EZPFX1782 Equivalent & Substitute Parts
Part Overview
The MCR03EZPFX1782 is a 17.8 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 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 | 17.8 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 ~ 155°C |
| RoHS Status | ROHS3 Compliant |
| Moisture Sensitivity Level | 1 (Unlimited) |
Substitute Part Grouping Explanation
Substitution for the MCR03EZPFX1782 is determined by strict equivalence across the following parameters:
- Resistance value: 17.8 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 ~ 155°C
- RoHS compliance: ROHS3 Compliant
- Moisture sensitivity: MSL 1
Parts are categorized as Direct Substitutes when all parameters match exactly. Parts are categorized as Similar Substitutes when all critical electrical parameters match but feature variations exist (such as moisture-resistant designation instead of automotive AEC-Q200 rating).
Parameter Comparison
| Manufacturer Part Number | Manufacturer | Resistance | Tolerance | Power (W) | Package | Temp Coeff (ppm/°C) | Operating Temp (°C) | Product Status | Inventory (Pcs) |
|---|---|---|---|---|---|---|---|---|---|
| MCR03EZPFX1782 | Rohm Semiconductor | 17.8 kOhms | ±1% | 0.1 | 0603 | ±100 | -55 ~ 155 | Discontinued | 1101 |
| CRCW060317K8FKEA | Vishay Dale | 17.8 kOhms | ±1% | 0.1 | 0603 | ±100 | -55 ~ 155 | Active | 24403 |
| ERJ-3EKF1782V | Panasonic Electronic Components | 17.8 kOhms | ±1% | 0.1 | 0603 | ±100 | -55 ~ 155 | Active | 90939 |
| RMCF0603FG17K8 | Stackpole Electronics Inc | 17.8 kOhms | ±1% | 0.1 | 0603 | ±100 | -55 ~ 155 | Active | 29246 |
| RMCF0603FT17K8 | Stackpole Electronics Inc | 17.8 kOhms | ±1% | 0.1 | 0603 | ±100 | -55 ~ 155 | Active | 10300 |
| CR0603-FX-1782ELF | Bourns Inc. | 17.8 kOhms | ±1% | 0.1 | 0603 | ±100 | -55 ~ 155 | Active | 39523 |
| RC0603FR-0717K8L | YAGEO | 17.8 kOhms | ±1% | 0.1 | 0603 | ±100 | -55 ~ 155 | Active | 316454 |
Engineering Selection Recommendations
Direct substitutes CRCW060317K8FKEA, ERJ-3EKF1782V, RMCF0603FG17K8, and RMCF0603FT17K8 maintain full electrical and mechanical equivalence to the MCR03EZPFX1782 with identical AEC-Q200 automotive ratings and ROHS3 compliance. All direct substitutes are in active production status with established supply availability.
Similar substitutes CR0603-FX-1782ELF and RC0603FR-0717K8L match all critical electrical parameters and dimensional specifications but feature moisture-resistant designation rather than explicit AEC-Q200 automotive certification. These parts maintain ROHS3 compliance and MSL 1 rating. Selection between direct and similar substitutes depends on specific automotive qualification requirements for the end application.
Frequently Asked Questions (FAQ)
Q: Can MCR03EZPFX1782 be replaced with any of the listed substitutes?
A: Direct substitutes (CRCW060317K8FKEA, ERJ-3EKF1782V, RMCF0603FG17K8, RMCF0603FT17K8) provide full electrical and mechanical equivalence. Similar substitutes (CR0603-FX-1782ELF, RC0603FR-0717K8L) match electrical specifications but lack explicit AEC-Q200 automotive rating. Selection depends on application requirements.
Q: Are all substitutes compatible with the 0603 package footprint?
A: All listed substitutes use 0603 (1608 Metric) package with identical termination count (2). Physical dimensions vary slightly within tolerance (length 1.55mm to 1.60mm, width 0.80mm to 0.85mm, height 0.50mm to 0.55mm), maintaining PCB footprint compatibility.
Q: What is the difference between direct and similar substitutes?
A: Direct substitutes carry AEC-Q200 automotive certification matching the original part. Similar substitutes feature moisture-resistant designation without explicit automotive rating. Both meet ROHS3 compliance and MSL 1 requirements.
Q: Which substitute has the highest inventory availability?
A: RC0603FR-0717K8L from YAGEO maintains the highest inventory level at 316,454 pieces. ERJ-3EKF1782V from Panasonic follows with 90,939 pieces.
Q: Are all substitutes ROHS3 compliant?
A: All listed substitutes are ROHS3 compliant with MSL 1 (Unlimited) moisture sensitivity rating, matching the original MCR03EZPFX1782 specifications.
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