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MCR03EZPFX8452 Equivalent & Substitute Parts
Part Overview
The MCR03EZPFX8452 is an 84.5 kOhms ±1% thick film chip resistor in 0603 (1608 Metric) package rated for 0.1W power dissipation. Manufactured by Rohm Semiconductor, this component meets Automotive AEC-Q200 specifications and operates across -55°C to 155°C. The part is discontinued at DiGi Electronics, necessitating identification of functionally equivalent alternatives from active manufacturers to maintain design continuity and supply chain reliability.
Substiute Parts
Key Parameters
| Parameter | Value |
|---|---|
| Resistance | 84.5 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 | 1 (Unlimited) |
Substitute Part Grouping Explanation
Substitution eligibility is determined by strict equivalence across the following parameters: resistance value (84.5 kOhms), tolerance (±1%), power rating (0.1W), package type (0603), composition (thick film), temperature coefficient (±100ppm/°C), and operating temperature range (-55°C to 155°C). All identified substitutes maintain these core electrical and mechanical specifications. Parts are grouped into two categories: Direct Substitutes (functionally identical with automotive AEC-Q200 certification) and Similar Substitutes (functionally equivalent with moisture-resistant features but without automotive certification).
Parameter Comparison
| Part Number | Manufacturer | Resistance | Tolerance | Power | Package | Temp Coeff | Op Temp Range | AEC-Q200 | Status | Inventory |
|---|---|---|---|---|---|---|---|---|---|---|
| MCR03EZPFX8452 | Rohm Semiconductor | 84.5 kOhms | ±1% | 0.1W | 0603 | ±100ppm/°C | -55°C to 155°C | Yes | Discontinued | 5100 Pcs |
| MCR03ERTF8452 | Rohm Semiconductor | 84.5 kOhms | ±1% | 0.1W | 0603 | ±100ppm/°C | -55°C to 155°C | No | Discontinued | 1763 Pcs |
| CRCW060384K5FKEA | Vishay Dale | 84.5 kOhms | ±1% | 0.1W | 0603 | ±100ppm/°C | -55°C to 155°C | Yes | Active | 49447 Pcs |
| ERJ-3EKF8452V | Panasonic Electronic Components | 84.5 kOhms | ±1% | 0.1W | 0603 | ±100ppm/°C | -55°C to 155°C | Yes | Active | 83666 Pcs |
| RMCF0603FT84K5 | Stackpole Electronics Inc | 84.5 kOhms | ±1% | 0.1W | 0603 | ±100ppm/°C | -55°C to 155°C | Yes | Active | 32419 Pcs |
| CR0603-FX-8452ELF | Bourns Inc. | 84.5 kOhms | ±1% | 0.1W | 0603 | ±100ppm/°C | -55°C to 155°C | No | Active | 43171 Pcs |
| RC0603FR-0784K5L | YAGEO | 84.5 kOhms | ±1% | 0.1W | 0603 | ±100ppm/°C | -55°C to 155°C | No | Active | 738200 Pcs |
| RC1608F8452CS | Samsung Electro-Mechanics | 84.5 kOhms | ±1% | 0.1W | 0603 | ±100ppm/°C | -55°C to 155°C | No | Active | 1129 Pcs |
Engineering Selection Recommendations
For applications requiring Automotive AEC-Q200 compliance, select from active-status parts: CRCW060384K5FKEA (Vishay Dale), ERJ-3EKF8452V (Panasonic Electronic Components), or RMCF0603FT84K5 (Stackpole Electronics Inc). These three parts maintain full electrical and mechanical equivalence with AEC-Q200 certification and are currently in active production with substantial inventory availability.
For non-automotive applications where AEC-Q200 certification is not required, CR0603-FX-8452ELF (Bourns Inc.), RC0603FR-0784K5L (YAGEO), and RC1608F8452CS (Samsung Electro-Mechanics) provide functionally equivalent alternatives with moisture-resistant thick film construction. RC0603FR-0784K5L offers the highest inventory level at 738,200 pieces.
All substitutes maintain ROHS3 compliance, MSL 1 rating, and identical electrical performance within the specified operating temperature range.
Frequently Asked Questions (FAQ)
Q: Can MCR03ERTF8452 replace MCR03EZPFX8452 in automotive applications? A: MCR03ERTF8452 matches all electrical and mechanical parameters but lacks AEC-Q200 certification. Use only in non-automotive designs or where automotive qualification is not required.
Q: What is the difference between Direct and Similar substitutes? A: Direct substitutes (CRCW060384K5FKEA, ERJ-3EKF8452V, RMCF0603FT84K5) carry AEC-Q200 automotive certification. Similar substitutes (CR0603-FX-8452ELF, RC0603FR-0784K5L, RC1608F8452CS) provide equivalent electrical performance with moisture-resistant features but without automotive qualification.
Q: Are all substitutes pin-compatible with the original part? A: Yes. All substitutes use identical 0603 (1608 Metric) package with two terminations and matching footprint dimensions, ensuring direct PCB compatibility.
Q: Does tolerance or temperature coefficient vary among substitutes? A: No. All parts maintain ±1% tolerance and ±100ppm/°C temperature coefficient, ensuring equivalent circuit performance across the -55°C to 155°C operating range.
Q: Which substitute offers the best supply availability? A: RC0603FR-0784K5L (YAGEO) provides the highest inventory at 738,200 pieces. For automotive-qualified alternatives, ERJ-3EKF8452V (Panasonic) offers 83,666 pieces.
Q: Are there packaging differences between substitutes? A: Packaging formats vary (Cut Tape, Tape & Reel, Digi-Reel) but do not affect component functionality. Select based on assembly process requirements and supplier availability.
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