CRCW0805523RFKEAC Equivalent & Substitute Parts

Part Overview

The CRCW0805523RFKEAC is a 523 Ohm ±1% 0.125W thick film chip resistor in 0805 (2012 Metric) package manufactured by Vishay Dale. This component is classified as Active product status with 812 pieces currently in stock. The part is ROHS3 compliant and suitable for general-purpose resistive applications requiring standard tolerance and power ratings. Equivalent and substitute parts are identified to provide design flexibility, inventory alternatives, and sourcing options when the primary part is unavailable or when specific application requirements necessitate alternative component characteristics.

Key Parameters

Parameter	Value
Resistance	523 Ohms
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 ~ 155°C
RoHS Status	ROHS3 Compliant
Moisture Sensitivity Level	1 (Unlimited)

Substitute Part Grouping Explanation

Substitution eligibility for the CRCW0805523RFKEAC is determined by strict equivalence across the following critical parameters:

Resistance value: 523 Ohms (exact match required)
Tolerance: ±1% (exact match required)
Power rating: 0.125W, 1/8W (exact match required)
Package: 0805 (2012 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)
RoHS compliance: ROHS3 Compliant (exact match required)
Moisture sensitivity level: 1 (Unlimited) (exact match required)

All identified substitute parts meet these criteria and are therefore electrically and mechanically interchangeable with the CRCW0805523RFKEAC in standard applications.

Parameter Comparison

Parameter	CRCW0805523RFKEAC (Vishay Dale)	CR0805-FX-5230ELF (Bourns Inc.)	KTR10EZPF5230 (Rohm Semiconductor)
Resistance	523 Ohms	523 Ohms	523 Ohms
Tolerance	±1%	±1%	±1%
Power Rating	0.125W (1/8W)	0.125W (1/8W)	0.125W (1/8W)
Package / Case	0805 (2012 Metric)	0805 (2012 Metric)	0805 (2012 Metric)
Composition	Thick Film	Thick Film	Thick Film
Temperature Coefficient	±100ppm/°C	±100ppm/°C	±100ppm/°C
Operating Temperature Range	-55°C ~ 155°C	-55°C ~ 155°C	-55°C ~ 155°C
Size / Dimension	0.079" L x 0.049" W (2.00mm x 1.25mm)	0.079" L x 0.049" W (2.00mm x 1.25mm)	0.079" L x 0.049" W (2.00mm x 1.25mm)
Height - Seated (Max)	0.024" (0.60mm)	0.024" (0.60mm)	0.026" (0.65mm)
RoHS Status	ROHS3 Compliant	ROHS3 Compliant	ROHS3 Compliant
Moisture Sensitivity Level	1 (Unlimited)	1 (Unlimited)	1 (Unlimited)
Product Status	Active	Active	Active

Engineering Selection Recommendations

All three components—CRCW0805523RFKEAC (Vishay Dale), CR0805-FX-5230ELF (Bourns Inc.), and KTR10EZPF5230 (Rohm Semiconductor)—are Active status products with ROHS3 compliance and MSL 1 rating. Selection between these parts should be based on availability and application-specific requirements:

The CR0805-FX-5230ELF includes moisture-resistant features as an additional characteristic beyond the base specification. The KTR10EZPF5230 is qualified to AEC-Q200 automotive standards and is designated for high-voltage applications, making it suitable for automotive and demanding industrial environments. The CRCW0805523RFKEAC represents the standard general-purpose option. All three parts are mechanically compatible with 0805 package footprints, with the KTR10EZPF5230 having a maximum seated height of 0.026" (0.65mm) compared to 0.024" (0.60mm) for the other two parts.

Frequently Asked Questions (FAQ)

Q: Are these parts pin-compatible with the CRCW0805523RFKEAC?

A: Yes. All substitute parts use the 0805 (2012 Metric) package with two terminations and identical footprint dimensions of 0.079" L x 0.049" W (2.00mm x 1.25mm). The KTR10EZPF5230 has a slightly higher maximum seated height of 0.026" (0.65mm) versus 0.024" (0.60mm) for the primary part and CR0805-FX-5230ELF, which may require clearance verification in space-constrained applications.

Q: What is the difference between these substitute parts?

A: The CR0805-FX-5230ELF (Bourns Inc.) incorporates moisture-resistant thick film technology. The KTR10EZPF5230 (Rohm Semiconductor) is qualified to AEC-Q200 automotive standards and specified for high-voltage applications. The CRCW0805523RFKEAC (Vishay Dale) is a standard general-purpose thick film resistor. All three meet identical electrical specifications: 523 Ohms ±1%, 0.125W power rating, ±100ppm/°C temperature coefficient, and -55°C ~ 155°C operating range.

Q: Can I use the KTR10EZPF5230 in place of the CRCW0805523RFKEAC?

A: Yes, the KTR10EZPF5230 is electrically and mechanically equivalent. The KTR10EZPF5230 offers additional AEC-Q200 automotive qualification and high-voltage capability, making it suitable for applications requiring these certifications. Verify that the 0.026" (0.65mm) maximum seated height does not conflict with PCB assembly clearances.

Q: Are all these parts RoHS compliant?

A: Yes. All three parts—CRCW0805523RFKEAC, CR0805-FX-5230ELF, and KTR10EZPF5230—are ROHS3 compliant with MSL 1 (Unlimited) moisture sensitivity level and REACH Unaffected status.

Q: What packaging options are available?

A: All substitute parts are supplied in Tape & Reel (TR) packaging format, consistent with the CRCW0805523RFKEAC.

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