MCR03EZPFX1651 Equivalent & Substitute Parts

Part Overview

The MCR03EZPFX1651 is a 1.65 kOhms ±1% 0.1W chip resistor in 0603 (1608 Metric) package manufactured by Rohm Semiconductor. This thick film resistor 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

MCR03EZPFX1651

Rohm SemiconductorIn Stock: 1048MCR03EZPFX1651 Datasheet

Current PartRFQ

CRCW06031K65FKEA

Vishay DaleIn Stock: 47683CRCW06031K65FKEA Datasheet

DirectRFQ

ERJ-3EKF1651V

Panasonic Electronic ComponentsIn Stock: 22734ERJ-3EKF1651V Datasheet

DirectRFQ

RMCF0603FT1K65

Stackpole Electronics IncIn Stock: 95632RMCF0603FT1K65 Datasheet

DirectRFQ

CR0603-FX-1651ELF

Bourns Inc.In Stock: 17044CR0603-FX-1651ELF Datasheet

SimilarRFQ

RC0603FR-071K65L

YAGEOIn Stock: 284381RC0603FR-071K65L Datasheet

SimilarRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitution for the MCR03EZPFX1651 is determined by strict equivalence across the following critical parameters:

• Resistance value: 1.65 kOhms
• Tolerance: ±1%
• Power rating: 0.1W (1/10W)
• Package: 0603 (1608 Metric)
• Composition: Thick Film
• Temperature coefficient: ±100ppm/°C
• Operating temperature range: -55°C to 155°C
• Number of terminations: 2
• RoHS3 compliance
• MSL rating: 1 (Unlimited)

Substitute parts are classified into two categories:

Direct Equivalents meet all electrical and mechanical specifications with AEC-Q200 automotive rating identical to the original part.

Similar Equivalents meet all electrical and mechanical specifications with moisture-resistant thick film composition but without explicit AEC-Q200 automotive rating.

Parameter Comparison

Engineering Selection Recommendations

Direct Equivalents (AEC-Q200 Rated):

CRCW06031K65FKEA (Vishay Dale), ERJ-3EKF1651V (Panasonic), and RMCF0603FT1K65 (Stackpole) are direct functional equivalents with identical electrical specifications and AEC-Q200 automotive certification. These parts are recommended for applications requiring automotive-grade reliability and compliance. All three are in active production with substantial inventory availability.

Similar Equivalents (Moisture Resistant):

CR0603-FX-1651ELF (Bourns) and RC0603FR-071K65L (YAGEO) meet all electrical and mechanical specifications with moisture-resistant thick film composition. These parts are suitable for applications where moisture resistance is required but explicit AEC-Q200 automotive certification is not mandated. Both are in active production.

For automotive applications or designs originally specified with AEC-Q200 compliance, direct equivalents are the appropriate selection. For general industrial and consumer applications, similar equivalents provide functional compatibility with alternative reliability features.

Frequently Asked Questions (FAQ)

Q: Can I substitute the MCR03EZPFX1651 with any of the listed parts?

A: All listed parts are electrically and mechanically equivalent with identical resistance, tolerance, power rating, package, and operating temperature specifications. Selection depends on application requirements. For automotive applications, use direct equivalents with AEC-Q200 rating. For other applications, similar equivalents are functionally compatible.

Q: What is the difference between direct equivalents and similar equivalents?

A: Direct equivalents (CRCW06031K65FKEA, ERJ-3EKF1651V, RMCF0603FT1K65) carry AEC-Q200 automotive certification identical to the original part. Similar equivalents (CR0603-FX-1651ELF, RC0603FR-071K65L) feature moisture-resistant composition without explicit automotive rating. Both groups meet all electrical specifications.

Q: Are all substitute parts available in the same packaging options?

A: Packaging formats vary by manufacturer. CRCW06031K65FKEA is available in Cut Tape and Digi-Reel. ERJ-3EKF1651V and CR0603-FX-1651ELF are available in Cut Tape and Digi-Reel or Tape & Reel. RMCF0603FT1K65 and RC0603FR-071K65L are available in Tape & Reel. Confirm packaging availability with your supplier.

Q: Do all parts meet RoHS3 compliance?

A: Yes. All listed substitute parts are ROHS3 compliant with MSL rating of 1 (Unlimited), matching the original MCR03EZPFX1651 specifications.

Q: What are the physical dimension differences?

A: All parts use 0603 (1608 Metric) package. Length ranges from 0.061" to 0.063" (1.55mm to 1.60mm). Width ranges from 0.031" to 0.033" (0.80mm to 0.85mm). Height ranges from 0.020" to 0.022" (0.50mm to 0.55mm). These variations are within standard 0603 package tolerances and do not affect PCB layout compatibility.