MCR03EZPFX3831 Equivalent & Substitute Parts

Part Overview

The MCR03EZPFX3831 is a 3.83 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, necessitating identification of equivalent alternatives from active manufacturers that maintain identical electrical and mechanical specifications.

Substiute Parts

MCR03EZPFX3831

Rohm SemiconductorIn Stock: 1053MCR03EZPFX3831 Datasheet

Current PartRFQ

CRCW06033K83FKEA

Vishay DaleIn Stock: 27299CRCW06033K83FKEA Datasheet

DirectRFQ

ERJ-3EKF3831V

Panasonic Electronic ComponentsIn Stock: 249444ERJ-3EKF3831V Datasheet

DirectRFQ

RMCF0603FT3K83

Stackpole Electronics IncIn Stock: 213490RMCF0603FT3K83 Datasheet

DirectRFQ

CR0603-FX-3831ELF

Bourns Inc.In Stock: 17876CR0603-FX-3831ELF Datasheet

SimilarRFQ

RC0603FR-073K83L

YAGEOIn Stock: 455909RC0603FR-073K83L Datasheet

SimilarRFQ

Key Parameters

Substitute Part Grouping Explanation

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

Electrical Parameters:

• Resistance value: 3.83 kOhms
• Tolerance: ±1%
• Power rating: 0.1W
• Temperature coefficient: ±100ppm/°C
• Operating temperature range: -55°C to 155°C

Mechanical Parameters:

• Package type: 0603 (1608 Metric)
• Composition: Thick Film
• Number of terminations: 2
• Packaging format: Tape & Reel

Compliance & Certification:

• RoHS3 compliance
• MSL 1 rating
• REACH unaffected status

Substitute parts are categorized as Direct Equivalents when all electrical, mechanical, and compliance parameters match the original specification. Parts designated as Similar maintain electrical and mechanical compatibility but may have minor dimensional variations or different feature sets (such as moisture resistance designation) that do not affect functional interchangeability in the specified application.

Parameter Comparison

Engineering Selection Recommendations

Direct Equivalent Substitutes (Recommended Priority Order):

1. ERJ-3EKF3831V (Panasonic Electronic Components) — Maintains full AEC-Q200 automotive certification with identical dimensional specifications (0.063" L x 0.031" W, 0.022" height). Highest inventory availability (249,412 pcs) ensures supply continuity. Active product status guarantees long-term availability.

2. RMCF0603FT3K83 (Stackpole Electronics Inc) — Maintains full AEC-Q200 automotive certification with near-identical dimensions (0.061" L x 0.031" W, 0.022" height). Substantial inventory (213,452 pcs) supports production requirements. Active product status.

3. CRCW06033K83FKEA (Vishay Dale) — Maintains full AEC-Q200 automotive certification with minor dimensional variation (0.061" L x 0.033" W, 0.020" height). Adequate inventory (27,223 pcs). Active product status.

Compatible Alternatives (Functional Equivalence with Feature Differences):

4. CR0603-FX-3831ELF (Bourns Inc.) — Meets all electrical and mechanical specifications with moisture-resistant feature designation instead of explicit AEC-Q200 rating. Suitable for applications where moisture resistance is beneficial. Inventory: 17,837 pcs.

5. RC0603FR-073K83L (YAGEO) — Meets all electrical and mechanical specifications with moisture-resistant feature designation. Highest inventory availability (455,833 pcs) for high-volume applications. Active product status.

All substitute parts maintain ROHS3 compliance, MSL 1 rating, and REACH unaffected status, ensuring regulatory and environmental compatibility with the original specification.

Frequently Asked Questions (FAQ)

Q: Can I use ERJ-3EKF3831V as a direct replacement for MCR03EZPFX3831?

A: Yes. ERJ-3EKF3831V is a direct equivalent. It matches all electrical parameters (3.83 kOhms ±1%, 0.1W, ±100ppm/°C), maintains identical operating temperature range (-55°C to 155°C), carries AEC-Q200 automotive certification, and uses the same 0603 package. Dimensional specifications are identical.

Q: What is the difference between parts marked "Direct" versus "Similar"?

A: Direct equivalents maintain full AEC-Q200 automotive certification matching the original part. Similar parts meet all electrical and mechanical requirements but are designated with moisture-resistant features rather than explicit AEC-Q200 rating. Both are functionally compatible; selection depends on whether explicit automotive qualification is required for your application.

Q: Are there dimensional differences between substitute parts?

A: Minor variations exist. The original MCR03EZPFX3831 measures 0.063" L x 0.031" W x 0.022" height. CRCW06033K83FKEA is slightly smaller (0.061" L x 0.033" W x 0.020" height). These variations remain within standard PCB footprint tolerances for 0603 packages and do not affect board-level compatibility.

Q: Do all substitutes have the same inventory availability?

A: No. Inventory levels vary significantly: RC0603FR-073K83L (YAGEO) has the highest availability at 455,833 pcs, while CRCW06033K83FKEA (Vishay Dale) has the lowest at 27,223 pcs. For high-volume production, YAGEO or Panasonic options provide superior supply assurance.

Q: Can I use CR0603-FX-3831ELF or RC0603FR-073K83L if my application requires AEC-Q200 certification?

A: These parts are designated as moisture-resistant rather than explicitly AEC-Q200 certified. If your application mandates AEC-Q200 qualification, use ERJ-3EKF3831V, RMCF0603FT3K83, or CRCW06033K83FKEA instead.

Q: Are all substitutes RoHS3 compliant?

A: Yes. All listed substitute parts maintain ROHS3 compliance, MSL 1 rating, and REACH unaffected status, matching the environmental and regulatory profile of the original MCR03EZPFX3831.

Q: What is the temperature coefficient specification, and why does it matter?

A: All parts, including substitutes, have a temperature coefficient of ±100ppm/°C. This specification defines how the resistance value changes across the operating temperature range (-55°C to 155°C). Identical coefficients ensure equivalent performance stability in automotive thermal environments.