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MCR03EZPFX3321 Equivalent & Substitute Parts
Part Overview
The MCR03EZPFX3321 is a 3.32 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 | 3.32 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
Substitute parts for the MCR03EZPFX3321 are classified into two categories based on electrical and mechanical compatibility:
Direct Substitutes maintain full automotive AEC-Q200 certification and identical electrical specifications:
- Resistance: 3.32 kOhms
- Tolerance: ±1%
- Power Rating: 0.1W
- Package: 0603 (1608 Metric)
- Temperature Coefficient: ±100ppm/°C
- Operating Temperature: -55°C ~ 155°C
- AEC-Q200 Rating: Required
Similar Substitutes meet all electrical and mechanical parameters but feature moisture-resistant construction instead of automotive AEC-Q200 certification. These parts are suitable for applications where automotive qualification is not mandatory.
Parameter Comparison
| Manufacturer | Part Number | Resistance | Tolerance | Power (W) | Package | Temp Coeff | Operating Temp | AEC-Q200 | Product Status | Inventory |
|---|---|---|---|---|---|---|---|---|---|---|
| Rohm Semiconductor | MCR03EZPFX3321 | 3.32 kΩ | ±1% | 0.1 | 0603 | ±100ppm/°C | -55°C ~ 155°C | Yes | Discontinued | 640 Pcs |
| Vishay Dale | CRCW06033K32FKEA | 3.32 kΩ | ±1% | 0.1 | 0603 | ±100ppm/°C | -55°C ~ 155°C | Yes | Active | 102369 Pcs |
| Panasonic Electronic Components | ERJ-3EKF3321V | 3.32 kΩ | ±1% | 0.1 | 0603 | ±100ppm/°C | -55°C ~ 155°C | Yes | Active | 214839 Pcs |
| Stackpole Electronics Inc | RMCF0603FG3K32 | 3.32 kΩ | ±1% | 0.1 | 0603 | ±100ppm/°C | -55°C ~ 155°C | Yes | Active | 50927 Pcs |
| Stackpole Electronics Inc | RMCF0603FT3K32 | 3.32 kΩ | ±1% | 0.1 | 0603 | ±100ppm/°C | -55°C ~ 155°C | Yes | Active | 502075 Pcs |
| Bourns Inc. | CR0603-FX-3321ELF | 3.32 kΩ | ±1% | 0.1 | 0603 | ±100ppm/°C | -55°C ~ 155°C | No | Active | 374879 Pcs |
| YAGEO | RC0603FR-073K32L | 3.32 kΩ | ±1% | 0.1 | 0603 | ±100ppm/°C | -55°C ~ 155°C | No | Active | 435872 Pcs |
Engineering Selection Recommendations
For applications requiring automotive AEC-Q200 compliance, select from the direct substitute group: CRCW06033K32FKEA (Vishay Dale), ERJ-3EKF3321V (Panasonic Electronic Components), RMCF0603FG3K32 (Stackpole Electronics Inc), or RMCF0603FT3K32 (Stackpole Electronics Inc). All direct substitutes maintain identical electrical specifications and automotive certification.
For non-automotive applications where AEC-Q200 certification is not required, CR0603-FX-3321ELF (Bourns Inc.) and RC0603FR-073K32L (YAGEO) are suitable alternatives with moisture-resistant construction and active product status.
All substitute parts are ROHS3 compliant, REACH unaffected, and carry MSL rating of 1 (Unlimited), matching the original part's environmental compliance profile.
Frequently Asked Questions (FAQ)
Q: Can I use CR0603-FX-3321ELF or RC0603FR-073K32L in place of MCR03EZPFX3321 in automotive applications?
A: CR0603-FX-3321ELF and RC0603FR-073K32L are not AEC-Q200 rated. Use these only in non-automotive applications. For automotive designs, select from the AEC-Q200 qualified direct substitutes.
Q: Are all substitute parts pin-compatible with the original MCR03EZPFX3321?
A: Yes. All substitute parts use the 0603 (1608 Metric) package with 2 terminations, ensuring mechanical and electrical compatibility on PCB layouts designed for the original part.
Q: What is the difference between RMCF0603FG3K32 and RMCF0603FT3K32?
A: Both parts are electrically identical with matching specifications. The primary difference is packaging: RMCF0603FG3K32 is supplied in Cut Tape (CT), while RMCF0603FT3K32 is available in Cut Tape (CT) & Digi-Reel®. RMCF0603FT3K32 has significantly higher inventory availability (502075 Pcs vs 50927 Pcs).
Q: Do all substitute parts meet the same temperature coefficient specification?
A: Yes. All substitute parts maintain ±100ppm/°C temperature coefficient and -55°C to 155°C operating temperature range, matching the original MCR03EZPFX3321 specification.
Q: Which substitute offers the best inventory availability?
A: RMCF0603FT3K32 (Stackpole Electronics Inc) offers the highest inventory with 502075 Pcs in stock, followed by RC0603FR-073K32L (YAGEO) with 435872 Pcs.
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