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MCR03EZPFX1742 Equivalent & Substitute Parts
Part Overview
The MCR03EZPFX1742 is a 17.4 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 | 17.4 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 |
| Number of Terminations | 2 |
| RoHS Status | ROHS3 Compliant |
| Moisture Sensitivity Level | 1 (Unlimited) |
Substitute Part Grouping Explanation
Substitution eligibility for the MCR03EZPFX1742 is determined by strict equivalence across the following critical parameters:
Direct Equivalents (Full parameter match including automotive AEC-Q200 rating):
- Resistance: 17.4 kOhms
- Tolerance: ±1%
- Power Rating: 0.1W
- Package: 0603 (1608 Metric)
- Temperature Coefficient: ±100ppm/°C
- Operating Temperature: -55°C to 155°C
- Composition: Thick Film
- AEC-Q200 Automotive Rating
Similar Substitutes (Match all electrical and mechanical parameters but lack AEC-Q200 automotive certification):
- Resistance: 17.4 kOhms
- Tolerance: ±1%
- Power Rating: 0.1W
- Package: 0603 (1608 Metric)
- Temperature Coefficient: ±100ppm/°C
- Operating Temperature: -55°C to 155°C
- Composition: Thick Film
- Moisture Resistant feature (alternative to automotive rating)
Non-Equivalent Parts (Excluded from substitution):
- ERJ-3EKF17R4V: Resistance value is 17.4 Ohms (not 17.4 kOhms) — fundamentally different electrical characteristic
Parameter Comparison
| Manufacturer Part Number | Manufacturer | Resistance | Tolerance | Power (W) | Package | Temp Coeff | Op. Temp Range | AEC-Q200 | Product Status | Packaging Type |
|---|---|---|---|---|---|---|---|---|---|---|
| MCR03EZPFX1742 | Rohm Semiconductor | 17.4 kOhms | ±1% | 0.1 | 0603 | ±100ppm/°C | -55°C to 155°C | Yes | Discontinued | — |
| CRCW060317K4FKEA | Vishay Dale | 17.4 kOhms | ±1% | 0.1 | 0603 | ±100ppm/°C | -55°C to 155°C | Yes | Active | Tape & Reel |
| ERJ-3EKF1742V | Panasonic Electronic Components | 17.4 kOhms | ±1% | 0.1 | 0603 | ±100ppm/°C | -55°C to 155°C | Yes | Active | Tape & Reel |
| RMCF0603FT17K4 | Stackpole Electronics Inc | 17.4 kOhms | ±1% | 0.1 | 0603 | ±100ppm/°C | -55°C to 155°C | Yes | Active | Tape & Reel |
| CR0603-FX-1742ELF | Bourns Inc. | 17.4 kOhms | ±1% | 0.1 | 0603 | ±100ppm/°C | -55°C to 155°C | No | Active | Tape & Reel |
| RC0603FR-0717K4L | YAGEO | 17.4 kOhms | ±1% | 0.1 | 0603 | ±100ppm/°C | -55°C to 155°C | No | Active | Tape & Reel |
| RC1608F1742CS | Samsung Electro-Mechanics | 17.4 kOhms | ±1% | 0.1 | 0603 | ±100ppm/°C | -55°C to 155°C | No | Active | Cut Tape |
Engineering Selection Recommendations
For Automotive Applications (AEC-Q200 Required):
Direct equivalents with full automotive certification are available from three active manufacturers:
- CRCW060317K4FKEA (Vishay Dale) — 37,369 units in stock
- ERJ-3EKF1742V (Panasonic Electronic Components) — 103,972 units in stock
- RMCF0603FT17K4 (Stackpole Electronics Inc) — 113,670 units in stock
All three parts maintain identical electrical specifications, temperature performance, and AEC-Q200 compliance. Selection among these options may be based on supply availability, packaging preference (all available in Tape & Reel), and established supplier relationships.
For Non-Automotive Applications:
When AEC-Q200 certification is not required, moisture-resistant alternatives provide equivalent electrical and mechanical performance:
- CR0603-FX-1742ELF (Bourns Inc.) — 13,523 units in stock
- RC0603FR-0717K4L (YAGEO) — 115,214 units in stock
- RC1608F1742CS (Samsung Electro-Mechanics) — 2,894 units in stock
These parts match all critical electrical parameters and package specifications but are rated for moisture resistance rather than automotive standards.
Packaging Consideration:
RC1608F1742CS is supplied in Cut Tape (CT) format, while all other substitutes are available in Tape & Reel (TR) format. This distinction affects handling and assembly processes.
Frequently Asked Questions (FAQ)
Q: Can I use a non-AEC-Q200 part as a substitute for the MCR03EZPFX1742 in automotive applications?
A: No. The MCR03EZPFX1742 is rated for automotive use under AEC-Q200 standard. Substitution in automotive circuits requires parts with equivalent AEC-Q200 certification. Use only CRCW060317K4FKEA, ERJ-3EKF1742V, or RMCF0603FT17K4 for automotive applications.
Q: What is the difference between AEC-Q200 rated and moisture-resistant chip resistors?
A: AEC-Q200 is an automotive qualification standard that includes environmental stress testing, reliability assessment, and performance validation for automotive-grade components. Moisture-resistant ratings address specific environmental exposure but do not constitute automotive qualification. These are distinct certification paths.
Q: Are all substitute parts available in the same packaging format?
A: Most substitutes are supplied in Tape & Reel (TR) format. RC1608F1742CS from Samsung Electro-Mechanics is supplied in Cut Tape (CT) format. Verify packaging requirements for your assembly process before selection.
Q: Can I substitute ERJ-3EKF17R4V for the MCR03EZPFX1742?
A: No. ERJ-3EKF17R4V has a resistance value of 17.4 Ohms, not 17.4 kOhms. This is a fundamentally different component and is not a valid substitute.
Q: What is the tolerance specification, and why does it matter for substitution?
A: All equivalent and substitute parts maintain ±1% tolerance, matching the original MCR03EZPFX1742. This tolerance specification ensures circuit performance consistency and is a mandatory matching criterion for valid substitution.
Q: Are all substitute parts RoHS3 compliant?
A: Yes. All listed substitute parts are ROHS3 compliant and REACH unaffected, matching the environmental compliance status of the original MCR03EZPFX1742.
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