MCR03EZPFX6341 Equivalent & Substitute Parts

Part Overview

The MCR03EZPFX6341 is a 6.34 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, necessitating identification of equivalent substitute components that maintain identical electrical and mechanical specifications for continued design support and production requirements.

Key Parameters

Parameter	Specification
Resistance Value	6.34 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
Automotive Rating	AEC-Q200
RoHS Status	ROHS3 Compliant
Moisture Sensitivity Level	1 (Unlimited)

Substitute Part Grouping Explanation

Substitute parts are classified into two categories based on their alignment with the original MCR03EZPFX6341 specifications:

Direct Substitutes maintain full compliance with automotive AEC-Q200 certification and identical electrical parameters (6.34 kOhms ±1%, 0.1W, ±100ppm/°C, -55°C to 155°C operating range). These parts are interchangeable at the circuit level without design modification:

CRCW06036K34FKEA (Vishay Dale)
CRCW06036K34FKEB (Vishay Dale)
ERJ-3EKF6341V (Panasonic Electronic Components)
RMCF0603FT6K34 (Stackpole Electronics Inc)

Similar Substitutes match all electrical specifications and package dimensions but differ in specific feature certifications. These parts maintain the same resistance, tolerance, power rating, temperature coefficient, and operating range, with variations in automotive qualification or moisture resistance designation:

CR0603-FX-6341ELF (Bourns Inc.)
RC0603FR-076K34L (YAGEO)

All substitute parts share the critical parameters that determine functional equivalence: 0603 package footprint, 6.34 kOhms resistance value, ±1% tolerance, 0.1W power rating, thick film composition, and -55°C to 155°C operating temperature range.

Parameter Comparison

Manufacturer Part Number	Manufacturer	Resistance	Tolerance	Power (W)	Package	Temp Coeff	Op. Temp Range	AEC-Q200	Product Status	Inventory (Pcs)
MCR03EZPFX6341	Rohm Semiconductor	6.34 kΩ	±1%	0.1	0603	±100ppm/°C	-55°C ~ 155°C	Yes	Discontinued	867
CRCW06036K34FKEA	Vishay Dale	6.34 kΩ	±1%	0.1	0603	±100ppm/°C	-55°C ~ 155°C	Yes	Active	13459
CRCW06036K34FKEB	Vishay Dale	6.34 kΩ	±1%	0.1	0603	±100ppm/°C	-55°C ~ 155°C	Yes	Discontinued	15606
ERJ-3EKF6341V	Panasonic Electronic Components	6.34 kΩ	±1%	0.1	0603	±100ppm/°C	-55°C ~ 155°C	Yes	Active	100293
RMCF0603FT6K34	Stackpole Electronics Inc	6.34 kΩ	±1%	0.1	0603	±100ppm/°C	-55°C ~ 155°C	Yes	Active	352528
CR0603-FX-6341ELF	Bourns Inc.	6.34 kΩ	±1%	0.1	0603	±100ppm/°C	-55°C ~ 155°C	No	Active	26073
RC0603FR-076K34L	YAGEO	6.34 kΩ	±1%	0.1	0603	±100ppm/°C	-55°C ~ 155°C	No	Active	773877

Engineering Selection Recommendations

For applications requiring strict automotive AEC-Q200 compliance, select from direct substitutes: ERJ-3EKF6341V (Panasonic), RMCF0603FT6K34 (Stackpole), or CRCW06036K34FKEA (Vishay Dale). These maintain full certification parity with the original MCR03EZPFX6341.

ERJ-3EKF6341V and RMCF0603FT6K34 are recommended as primary alternatives due to active product status and high inventory availability (100,293 and 352,528 units respectively), ensuring supply chain continuity.

CRCW06036K34FKEA offers an alternative from Vishay Dale with active status and substantial inventory (13,459 units), suitable for applications where Vishay component qualification is preferred.

For non-automotive applications or designs where AEC-Q200 certification is not mandatory, CR0603-FX-6341ELF (Bourns) and RC0603FR-076K34L (YAGEO) provide equivalent electrical performance with active product status and extensive inventory availability (26,073 and 773,877 units respectively).

All substitute parts are ROHS3 compliant, MSL 1 rated, and maintain identical package footprint compatibility with existing PCB designs.

Frequently Asked Questions (FAQ)

Q: Can I use CR0603-FX-6341ELF or RC0603FR-076K34L as direct replacements in automotive applications?

A: CR0603-FX-6341ELF and RC0603FR-076K34L match all electrical specifications and package dimensions of the MCR03EZPFX6341 but lack AEC-Q200 automotive certification. Use these only in non-automotive applications or where automotive qualification is not a design requirement.

Q: What is the difference between CRCW06036K34FKEA and CRCW06036K34FKEB?

A: Both are Vishay Dale CRCW series 6.34 kOhms ±1% 0.1W 0603 resistors with identical electrical specifications and AEC-Q200 rating. CRCW06036K34FKEA is active (Cut Tape & Digi-Reel packaging), while CRCW06036K34FKEB is discontinued at DiGi Electronics (Tape & Reel packaging). Electrical performance is equivalent.

Q: Are all substitute parts compatible with the original PCB layout?

A: Yes. All substitute parts use the 0603 (1608 Metric) package with identical footprint dimensions (0.063" L x 0.031" W / 1.60mm x 0.80mm nominal). Physical placement and soldering procedures remain unchanged.

Q: Which substitute offers the best supply availability?

A: RC0603FR-076K34L (YAGEO) has the highest inventory at 773,877 units. For automotive-qualified alternatives, RMCF0603FT6K34 (Stackpole) provides 352,528 units with active status and AEC-Q200 compliance.

Q: Do all substitutes have the same temperature coefficient and operating range?

A: Yes. All listed substitutes maintain ±100ppm/°C temperature coefficient and -55°C to 155°C operating temperature range, matching the original MCR03EZPFX6341 specifications.

Q: What is the significance of MSL 1 rating on these resistors?

A: MSL 1 (Moisture Sensitivity Level 1) indicates unlimited shelf life without moisture bake-out requirements. All substitute parts carry MSL 1 rating, matching the original component's moisture handling requirements.

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