CRCW0805300KFKTA Equivalent & Substitute Parts

Part Overview

The CRCW0805300KFKTA is a 300 kOhms ±1% 0.125W (1/8W) thick film chip resistor in 0805 (2012 Metric) package manufactured by Vishay Dale. This part is rated for automotive applications under AEC-Q200 standard with an operating temperature range of -55°C to 155°C. The part is currently active in production. Substitute parts are identified when equivalent electrical specifications, mechanical dimensions, and automotive ratings are maintained across alternative manufacturers or when upgraded performance characteristics are required for specific application demands.

Key Parameters

Parameter	Value
Resistance	300 kOhms
Tolerance	±1%
Power Rating	0.125W (1/8W)
Package / Case	0805 (2012 Metric)
Composition	Thick Film
Temperature Coefficient	±100ppm/°C
Operating Temperature Range	-55°C to 155°C
Automotive Rating	AEC-Q200
Moisture Sensitivity Level	1 (Unlimited)
Number of Terminations	2

Substitute Part Grouping Explanation

Substitute parts are classified into two categories based on electrical and mechanical compatibility:

Direct Substitutes maintain identical electrical specifications (300 kOhms, ±1%, 0.125W, 0805 package, AEC-Q200) and are interchangeable without circuit redesign:

CRCW0805300KFKEA (Vishay Dale)
ERJ-6ENF3003V (Panasonic Electronic Components)
RMCF0805FG300K (Stackpole Electronics Inc)
RMCF0805FT300K (Stackpole Electronics Inc)
AC0805FR-07300KL (YAGEO)
KTR10EZPF3003 (Rohm Semiconductor)
RC0805FR-07300KL (YAGEO)

Upgrade Substitutes provide enhanced performance characteristics while maintaining the same resistance, tolerance, package, and automotive rating. These parts feature increased power rating (0.5W / 1/2W) or additional performance features:

CRCW0805300KFKEAHP (Vishay Dale) – Pulse Withstanding capability
RCS0805300KFKEA (Vishay Dale) – Pulse Withstanding capability

Substitution eligibility is determined by matching: resistance value, tolerance, package dimensions, AEC-Q200 automotive rating, operating temperature range, and MSL classification. All listed substitutes meet these criteria.

Parameter Comparison

Manufacturer Part Number	Manufacturer	Resistance	Tolerance	Power (Watts)	Package	Temp Coeff	Operating Temp	AEC-Q200	RoHS Status	Height (Max)
CRCW0805300KFKTA	Vishay Dale	300 kOhms	±1%	0.125W	0805	±100ppm/°C	-55°C ~ 155°C	Yes	Non-compliant	0.020"
CRCW0805300KFKEA	Vishay Dale	300 kOhms	±1%	0.125W	0805	±100ppm/°C	-55°C ~ 155°C	Yes	ROHS3 Compliant	0.020"
CRCW0805300KFKEAHP	Vishay Dale	300 kOhms	±1%	0.5W	0805	±100ppm/°C	-55°C ~ 155°C	Yes	ROHS3 Compliant	0.020"
RCS0805300KFKEA	Vishay Dale	300 kOhms	±1%	0.5W	0805	±100ppm/°C	-55°C ~ 155°C	Yes	ROHS3 Compliant	0.020"
ERJ-6ENF3003V	Panasonic Electronic Components	300 kOhms	±1%	0.125W	0805	±100ppm/°C	-55°C ~ 155°C	Yes	ROHS3 Compliant	0.028"
RMCF0805FG300K	Stackpole Electronics Inc	300 kOhms	±1%	0.125W	0805	±100ppm/°C	-55°C ~ 155°C	Yes	ROHS3 Compliant	0.026"
RMCF0805FT300K	Stackpole Electronics Inc	300 kOhms	±1%	0.125W	0805	±100ppm/°C	-55°C ~ 155°C	Yes	ROHS3 Compliant	0.026"
AC0805FR-07300KL	YAGEO	300 kOhms	±1%	0.125W	0805	±100ppm/°C	-55°C ~ 155°C	Yes	ROHS3 Compliant	0.024"
KTR10EZPF3003	Rohm Semiconductor	300 kOhms	±1%	0.125W	0805	±100ppm/°C	-55°C ~ 155°C	Yes	ROHS3 Compliant	0.026"
RC0805FR-07300KL	YAGEO	300 kOhms	±1%	0.125W	0805	±100ppm/°C	-55°C ~ 155°C	No	ROHS3 Compliant	0.024"

Engineering Selection Recommendations

For Direct Replacement (Identical Specifications): CRCW0805300KFKEA, ERJ-6ENF3003V, RMCF0805FG300K, RMCF0805FT300K, AC0805FR-07300KL, KTR10EZPF3003, and RC0805FR-07300KL are functionally equivalent to CRCW0805300KFKTA. All maintain 300 kOhms resistance, ±1% tolerance, 0.125W power rating, 0805 package, AEC-Q200 automotive qualification, and -55°C to 155°C operating temperature range. Selection among these direct substitutes is based on availability, packaging format preference (Tape & Reel vs. Cut Tape), and RoHS compliance status. CRCW0805300KFKEA offers improved RoHS3 compliance and higher inventory availability compared to the original part.

For Enhanced Performance (Upgrade Substitutes): CRCW0805300KFKEAHP and RCS0805300KFKEA provide 0.5W (1/2W) power rating with pulse withstanding capability while maintaining all other electrical and mechanical specifications. These upgrades are suitable for applications requiring higher transient energy absorption or thermal margin. Both parts maintain AEC-Q200 automotive rating and ROHS3 compliance.

Compliance Considerations: The original CRCW0805300KFKTA is RoHS non-compliant. All substitute parts listed are ROHS3 compliant except RC0805FR-07300KL, which lacks AEC-Q200 automotive rating. For automotive applications requiring AEC-Q200 certification, RC0805FR-07300KL is not recommended despite RoHS compliance.

Frequently Asked Questions (FAQ)

Q: Can CRCW0805300KFKEA be used as a direct replacement for CRCW0805300KFKTA? A: Yes. Both parts share identical electrical specifications (300 kOhms, ±1%, 0.125W), package dimensions (0805), temperature coefficient (±100ppm/°C), operating range (-55°C to 155°C), and AEC-Q200 automotive rating. The primary difference is RoHS compliance status, where CRCW0805300KFKEA is ROHS3 compliant.

Q: What is the difference between direct substitutes and upgrade substitutes? A: Direct substitutes maintain identical power ratings (0.125W) and are pin-for-pin compatible without circuit modification. Upgrade substitutes (CRCW0805300KFKEAHP and RCS0805300KFKEA) provide increased power rating (0.5W) and pulse withstanding features, offering enhanced thermal performance while maintaining the same resistance, tolerance, package, and automotive rating.

Q: Are all substitute parts AEC-Q200 qualified? A: All listed substitutes except RC0805FR-07300KL carry AEC-Q200 automotive qualification. RC0805FR-07300KL is rated for moisture resistance only and lacks automotive qualification, making it unsuitable for AEC-Q200 applications.

Q: Does package height variation affect PCB assembly compatibility? A: All substitute parts use the 0805 (2012 Metric) package with maximum seated heights ranging from 0.020" to 0.028". These variations fall within standard 0805 package tolerances and do not affect PCB assembly compatibility or reflow soldering processes.

Q: What is the significance of Moisture Sensitivity Level (MSL) 1? A: MSL 1 indicates unlimited shelf life without moisture bake-out requirements. All listed parts maintain MSL 1 classification, ensuring consistent handling and storage procedures across all substitutes.

Q: Can KTR10EZPF3003 be used in high-voltage applications? A: KTR10EZPF3003 is specified with high-voltage thick film composition. However, no maximum voltage rating is provided in the available parameters. Voltage capability must be verified against application requirements and detailed component datasheets.

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