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MCR03EZPFX3902 Equivalent & Substitute Parts
Part Overview
The MCR03EZPFX3902 is a 39 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 an 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 | 39 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 to 155°C |
| Automotive Rating | AEC-Q200 |
| RoHS Status | ROHS3 Compliant |
| Moisture Sensitivity Level | 1 (Unlimited) |
Substitute Part Grouping Explanation
Substitution for the MCR03EZPFX3902 is determined by strict equivalence across the following parameters: resistance value (39 kOhms), 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 compliance certifications (ROHS3, AEC-Q200 where applicable). All substitute parts listed meet these core electrical and mechanical specifications, ensuring direct functional compatibility in circuit applications.
Parameter Comparison
| Manufacturer Part Number | Manufacturer | Resistance | Tolerance | Power (W) | Package | Temp Coeff | Operating Temp | AEC-Q200 | Product Status | Inventory |
|---|---|---|---|---|---|---|---|---|---|---|
| MCR03EZPFX3902 | Rohm Semiconductor | 39 kOhms | ±1% | 0.1 | 0603 | ±100ppm/°C | -55°C ~ 155°C | Yes | Discontinued | 898 Pcs |
| CRCW060339K0FKEA | Vishay Dale | 39 kOhms | ±1% | 0.1 | 0603 | ±100ppm/°C | -55°C ~ 155°C | Yes | Active | 5300 Pcs |
| CRG0603F39K | TE Connectivity Passive Product | 39 kOhms | ±1% | 0.1 | 0603 | ±100ppm/°C | -55°C ~ 155°C | No | Active | 19855 Pcs |
| ERJ-3EKF3902V | Panasonic Electronic Components | 39 kOhms | ±1% | 0.1 | 0603 | ±100ppm/°C | -55°C ~ 155°C | Yes | Active | 5247 Pcs |
| RMCF0603FT39K0 | Stackpole Electronics Inc | 39 kOhms | ±1% | 0.1 | 0603 | ±100ppm/°C | -55°C ~ 155°C | Yes | Active | 54293 Pcs |
| AC0603FR-0739KL | YAGEO | 39 kOhms | ±1% | 0.1 | 0603 | ±100ppm/°C | -55°C ~ 155°C | Yes | Active | 73486 Pcs |
| AF0603FR-0739KL | YAGEO | 39 kOhms | ±1% | 0.1 | 0603 | ±100ppm/°C | -55°C ~ 155°C | Yes | Active | 14514 Pcs |
| CR0603-FX-3902ELF | Bourns Inc. | 39 kOhms | ±1% | 0.1 | 0603 | ±100ppm/°C | -55°C ~ 155°C | No | Active | 77718 Pcs |
| RC0603FR-0739KL | YAGEO | 39 kOhms | ±1% | 0.1 | 0603 | ±100ppm/°C | -55°C ~ 155°C | No | Active | 2300 Pcs |
Engineering Selection Recommendations
For applications requiring AEC-Q200 automotive qualification, select from CRCW060339K0FKEA (Vishay Dale), ERJ-3EKF3902V (Panasonic), RMCF0603FT39K0 (Stackpole Electronics), AC0603FR-0739KL (YAGEO), or AF0603FR-0739KL (YAGEO). All five options maintain full automotive compliance and ROHS3 certification matching the original MCR03EZPFX3902 specification.
For non-automotive applications where AEC-Q200 is not required, CRG0603F39K (TE Connectivity), CR0603-FX-3902ELF (Bourns), and RC0603FR-0739KL (YAGEO) provide equivalent electrical performance with active product status and higher inventory availability.
All substitute parts are ROHS3 compliant with MSL rating of 1 (Unlimited) and maintain identical electrical parameters: 39 kOhms resistance, ±1% tolerance, 0.1W power rating, ±100ppm/°C temperature coefficient, and -55°C to 155°C operating temperature range.
Frequently Asked Questions (FAQ)
Q: Can I use a non-AEC-Q200 rated substitute in an automotive application? A: No. If the original design specifies AEC-Q200 compliance, only substitute parts with AEC-Q200 rating are acceptable. Use CRCW060339K0FKEA, ERJ-3EKF3902V, RMCF0603FT39K0, AC0603FR-0739KL, or AF0603FR-0739KL.
Q: Are all substitute parts physically compatible with the 0603 package footprint? A: Yes. All listed substitutes use the 0603 (1608 Metric) package with identical termination count (2) and compatible physical dimensions within standard PCB assembly tolerances.
Q: What is the difference between AC0603FR-0739KL and AF0603FR-0739KL? A: Both are YAGEO 39 kOhms ±1% 0.1W 0603 resistors with AEC-Q200 rating. AF0603FR-0739KL includes anti-sulfur protection, while AC0603FR-0739KL includes moisture-resistant features. Both meet the electrical specification of the original part.
Q: Does tolerance affect substitution eligibility? A: Yes. All substitute parts must maintain ±1% tolerance to ensure circuit performance equivalence. Parts with different tolerance ratings are not acceptable substitutes.
Q: Can I mix different manufacturers' parts in the same production batch? A: Yes, provided all parts meet the specified electrical parameters, package requirements, and compliance certifications. Verify with your quality assurance process for any additional traceability requirements.
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