CRCW080591K0FKEB Equivalent & Substitute Parts

Part Overview

The CRCW080591K0FKEB is a 91 kOhms ±1% 0.125W thick film chip resistor in 0805 (2012 Metric) package manufactured by Vishay Dale. This part is discontinued at DiGi Electronics but remains available in inventory. The component is rated for automotive applications under AEC-Q200 specification with operating temperature range of -55°C to 155°C. Equivalent and substitute parts are necessary to ensure design continuity, maintain supply chain flexibility, and accommodate manufacturing or sourcing constraints.

Key Parameters

Parameter	Value
Resistance	91 kOhms
Tolerance	±1%
Power Rating	0.125W (1/8W)
Package	0805 (2012 Metric)
Composition	Thick Film
Temperature Coefficient	±100ppm/°C
Operating Temperature	-55°C to 155°C
RoHS Status	ROHS3 Compliant
Moisture Sensitivity Level	1 (Unlimited)

Substitute Part Grouping Explanation

Substitution eligibility for the CRCW080591K0FKEB is determined by the following criteria:

Primary Substitution Parameters:

Resistance value: 91 kOhms
Tolerance: ±1%
Power rating: 0.125W minimum
Package: 0805 (2012 Metric)
Composition: Thick Film
Temperature coefficient: ±100ppm/°C
Operating temperature range: -55°C to 155°C minimum
RoHS3 compliance

Substitution Categories:

Direct Equivalents maintain identical electrical and mechanical specifications with interchangeable performance characteristics. These parts are sourced from different manufacturers but meet all parameter requirements.

Manufacturer Recommended Substitutes are designated by Vishay Dale as approved alternatives. These may include minor variations in height or series designation while maintaining functional equivalence.

Upgrade Options provide enhanced performance characteristics, such as increased power rating, while maintaining all core electrical parameters and package compatibility.

Parameter Comparison

Part Number	Manufacturer	Resistance	Tolerance	Power (W)	Package	Temp Coeff	Op Temp (°C)	Height Max (mm)	Status	Inventory
CRCW080591K0FKEB	Vishay Dale	91k	±1%	0.125	0805	±100ppm/°C	-55 to 155	0.50	Discontinued	1054
CRCW080591K0FKEA	Vishay Dale	91k	±1%	0.125	0805	±100ppm/°C	-55 to 155	0.50	Active	24496
CRCW080591K0FKEAC	Vishay Dale	91k	±1%	0.125	0805	±100ppm/°C	-55 to 155	0.60	Active	40860
CRCW080591K0FKEBC	Vishay Dale	91k	±1%	0.125	0805	±100ppm/°C	-55 to 155	0.60	Active	654
ERJ-6ENF9102V	Panasonic	91k	±1%	0.125	0805	±100ppm/°C	-55 to 155	0.70	Active	52130
RMCF0805FT91K0	Stackpole Electronics	91k	±1%	0.125	0805	±100ppm/°C	-55 to 155	0.65	Active	25448
CR0805-FX-9102ELF	Bourns Inc.	91k	±1%	0.125	0805	±100ppm/°C	-55 to 155	0.60	Active	25109
MCR10ERTF9102	Rohm Semiconductor	91k	±1%	0.125	0805	±100ppm/°C	-55 to 155	0.65	Discontinued	1089
ESR10EZPF9102	Rohm Semiconductor	91k	±1%	0.4	0805	±100ppm/°C	-55 to 155	0.65	Active	918

Engineering Selection Recommendations

For Direct Replacement (Identical Specifications): CRCW080591K0FKEA is the primary recommendation as an active Vishay Dale part with identical electrical and mechanical specifications to the original CRCW080591K0FKEB. This part maintains AEC-Q200 automotive rating and is available in high inventory (24,496 units).

For Manufacturer-Recommended Alternatives: CRCW080591K0FKEAC and CRCW080591K0FKEBC are Vishay Dale designated substitutes with identical electrical performance. Both are active parts with higher inventory availability. Height variation (0.60mm vs 0.50mm) is within standard PCB assembly tolerances for 0805 packages.

For Cross-Manufacturer Equivalents: ERJ-6ENF9102V (Panasonic), RMCF0805FT91K0 (Stackpole Electronics), and CR0805-FX-9102ELF (Bourns Inc.) provide equivalent electrical and mechanical performance with AEC-Q200 or moisture-resistant specifications. All maintain identical resistance, tolerance, power rating, and temperature characteristics. These parts are active with substantial inventory levels.

For Enhanced Performance: ESR10EZPF9102 (Rohm Semiconductor) provides upgraded power rating of 0.4W while maintaining all other electrical parameters and 0805 package compatibility. This option is suitable for applications requiring higher power dissipation margin.

Discontinued Parts: MCR10ERTF9102 (Rohm Semiconductor) is discontinued at DiGi Electronics and should not be selected for new designs despite current inventory availability.

Frequently Asked Questions (FAQ)

Q: Can CRCW080591K0FKEAC be used as a direct replacement for CRCW080591K0FKEB? A: Yes. Both parts share identical electrical specifications (91 kOhms ±1%, 0.125W, ±100ppm/°C, -55°C to 155°C). The height difference (0.60mm vs 0.50mm) is within standard 0805 package tolerances and does not affect PCB assembly or electrical performance.

Q: What is the difference between Vishay Dale CRCW series parts and cross-manufacturer alternatives? A: All listed substitutes maintain identical resistance, tolerance, power rating, temperature coefficient, and operating temperature range. Differences exist in manufacturer-specific features: Vishay Dale CRCW0805 series includes AEC-Q200 automotive rating; Bourns CR0805 emphasizes moisture resistance; Panasonic ERJ-6EN and Stackpole RMCF include AEC-Q200 rating. Selection depends on supply availability and specific application requirements.

Q: Is the ESR10EZPF9102 upgrade suitable for this application? A: The ESR10EZPF9102 is electrically compatible with identical resistance, tolerance, and temperature characteristics. The increased power rating (0.4W vs 0.125W) provides additional thermal margin. Mechanical compatibility is maintained in the 0805 package. This upgrade is suitable if higher power dissipation capability is beneficial or required.

Q: Are all listed substitutes RoHS3 compliant? A: Yes. All substitute parts listed are ROHS3 compliant with MSL rating of 1 (Unlimited), matching the original CRCW080591K0FKEB specifications.

Q: What is the significance of the height variation among substitute parts? A: Height variations (0.50mm to 0.70mm) are within standard 0805 (2012 Metric) package specifications. These variations do not affect electrical performance or standard PCB assembly processes. Height becomes relevant only in space-constrained applications with specific clearance requirements.

Q: Why is CRCW080591K0FKEB discontinued while alternatives remain active? A: Product discontinuation reflects manufacturer production decisions and market demand. Active alternatives from Vishay Dale (CRCW080591K0FKEA, CRCW080591K0FKEAC, CRCW080591K0FKEBC) provide identical or superior specifications with continued manufacturing support and higher inventory availability.

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