MCR03EZPFX4642 Equivalent & Substitute Parts

Part Overview

The MCR03EZPFX4642 is a 46.4 kOhms ±1% thick film chip resistor in 0603 (1608 Metric) package rated for 0.1W power dissipation. Manufactured by Rohm Semiconductor, this component meets AEC-Q200 automotive qualification standards and operates across -55°C to 155°C. The part is currently discontinued at DiGi Electronics, necessitating identification of functionally equivalent alternatives from active manufacturers for ongoing production and maintenance applications.

Substiute Parts

MCR03EZPFX4642

Rohm SemiconductorIn Stock: 974MCR03EZPFX4642 Datasheet

Current PartRFQ

CRCW060346K4FKEA

Vishay DaleIn Stock: 59149CRCW060346K4FKEA Datasheet

DirectRFQ

ERJ-3EKF4642V

Panasonic Electronic ComponentsIn Stock: 78078ERJ-3EKF4642V Datasheet

DirectRFQ

RMCF0603FT46K4

Stackpole Electronics IncIn Stock: 324623RMCF0603FT46K4 Datasheet

DirectRFQ

CR0603-FX-4642ELF

Bourns Inc.In Stock: 289079CR0603-FX-4642ELF Datasheet

SimilarRFQ

RC0603FR-0746K4L

YAGEOIn Stock: 1041161RC0603FR-0746K4L Datasheet

SimilarRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitution eligibility for the MCR03EZPFX4642 is determined by strict equivalence across the following parameters:

• Resistance value: 46.4 kOhms (exact match required)
• Tolerance: ±1% (exact match required)
• Power rating: 0.1W / 1/10W (exact match required)
• Package: 0603 (1608 Metric) (exact match required)
• Composition: Thick Film (exact match required)
• Temperature coefficient: ±100ppm/°C (exact match required)
• Operating temperature range: -55°C ~ 155°C (exact match required)
• Termination count: 2 (exact match required)
• RoHS compliance: ROHS3 Compliant (exact match required)

All identified substitute parts meet these criteria. Parts are categorized as Direct Manufacturer equivalents (CRCW060346K4FKEA, ERJ-3EKF4642V, RMCF0603FT46K4) or Similar alternatives (CR0603-FX-4642ELF, RC0603FR-0746K4L) based on feature alignment and product status.

Parameter Comparison

Engineering Selection Recommendations

Direct Manufacturer Equivalents (CRCW060346K4FKEA, ERJ-3EKF4642V, RMCF0603FT46K4) are preferred for applications requiring AEC-Q200 automotive qualification. All three maintain full automotive compliance and are in active production with substantial inventory availability.

CRCW060346K4FKEA (Vishay Dale) offers 59,039 units in stock with active product status. ERJ-3EKF4642V (Panasonic Electronic Components) provides 78,039 units and maintains identical dimensional and electrical specifications. RMCF0603FT46K4 (Stackpole Electronics Inc) represents the highest inventory position at 324,517 units, ensuring supply continuity.

Similar Alternatives (CR0603-FX-4642ELF, RC0603FR-0746K4L) are suitable for applications where moisture resistance is prioritized over automotive qualification. CR0603-FX-4642ELF (Bourns Inc.) provides 288,999 units with moisture-resistant construction. RC0603FR-0746K4L (YAGEO) offers the largest inventory at 1,041,117 units and maintains all electrical and thermal specifications.

Selection between direct equivalents and similar alternatives depends on application requirements. Automotive applications mandate use of AEC-Q200 qualified parts. Non-automotive applications may utilize similar alternatives based on supply availability and cost considerations.

Frequently Asked Questions (FAQ)

Q: Can MCR03EZPFX4642 be directly replaced with CRCW060346K4FKEA?

A: Yes. Both parts share identical electrical specifications (46.4 kOhms ±1%, 0.1W), thermal characteristics (±100ppm/°C, -55°C to 155°C), package geometry (0603), and compliance ratings (ROHS3, MSL 1). Physical dimensions vary slightly (Vishay: 1.55mm x 0.85mm vs. Rohm: 1.60mm x 0.80mm), but remain within 0603 package tolerance and do not affect PCB layout compatibility.

Q: What is the difference between Direct Manufacturer equivalents and Similar alternatives?

A: Direct Manufacturer equivalents (CRCW060346K4FKEA, ERJ-3EKF4642V, RMCF0603FT46K4) maintain AEC-Q200 automotive qualification identical to the original MCR03EZPFX4642. Similar alternatives (CR0603-FX-4642ELF, RC0603FR-0746K4L) feature moisture-resistant construction but do not carry AEC-Q200 certification. Selection depends on application automotive requirements.

Q: Are all substitute parts available in Tape & Reel packaging?

A: Yes. All identified substitute parts are supplied in Tape & Reel (TR) packaging, matching the original MCR03EZPFX4642 packaging format for automated assembly compatibility.

Q: Do substitute parts meet the same temperature range as the original?

A: Yes. All substitute parts operate across the identical -55°C to 155°C temperature range with ±100ppm/°C temperature coefficient, ensuring thermal performance equivalence across the full operating envelope.

Q: Which substitute offers the best supply availability?

A: RC0603FR-0746K4L (YAGEO) provides the highest inventory at 1,041,117 units. RMCF0603FT46K4 (Stackpole) offers 324,517 units for automotive-qualified applications. Both ensure supply continuity for production requirements.