CRCW0805909RFKEB Equivalent & Substitute Parts

Part Overview

The CRCW0805909RFKEB is a 909 Ohm ±1% 0.125W thick film chip resistor in 0805 (2012 Metric) package manufactured by Vishay Dale. This part is Automotive AEC-Q200 rated and designed for high-reliability applications. The part is currently discontinued at DiGi Electronics, making equivalent substitutes necessary for ongoing production and maintenance applications. Substitute parts must maintain identical electrical specifications and package compatibility to ensure direct board-level replacement without design modification.

Key Parameters

Parameter	Specification
Resistance Value	909 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 to 155°C
Automotive Rating	AEC-Q200
RoHS Status	ROHS3 Compliant
Moisture Sensitivity Level	MSL 1 (Unlimited)

Substitute Part Grouping Explanation

Substitution eligibility is determined by strict adherence to the following parameters:

Primary Substitution Criteria (Must Match Exactly):

Resistance Value: 909 Ohms
Tolerance: ±1%
Package / Case: 0805 (2012 Metric)
Composition: Thick Film
Temperature Coefficient: ±100ppm/°C
Operating Temperature Range: -55°C to 155°C
RoHS Status: ROHS3 Compliant
Moisture Sensitivity Level: MSL 1

Secondary Substitution Criteria (Allowable Variations):

Power Rating: 0.125W minimum (higher ratings acceptable for direct substitution)
Automotive Rating: AEC-Q200 preferred but not mandatory for non-automotive applications
Height - Seated: Variation acceptable within PCB assembly constraints
Manufacturer: Any qualified manufacturer

Substitute parts are grouped into three categories based on product status and availability:

Direct Equivalents (Active Status): Parts with identical specifications and active manufacturing status.

Manufacturer Recommended (Active Status): Parts from the original manufacturer series with minor package variations but full electrical equivalence.

Upgrade Options (Active Status): Parts with enhanced specifications (higher power rating or additional features) that provide superior performance while maintaining full backward compatibility.

Parameter Comparison

Part Number	Manufacturer	Resistance	Tolerance	Power (W)	Package	Temp Coeff	Op Temp Range	AEC-Q200	Status	Height Max (mm)
CRCW0805909RFKEB	Vishay Dale	909Ω	±1%	0.125	0805	±100ppm/°C	-55 to 155°C	Yes	Discontinued	0.50
CRCW0805909RFKEA	Vishay Dale	909Ω	±1%	0.125	0805	±100ppm/°C	-55 to 155°C	Yes	Active	0.50
CRCW0805909RFKEAC	Vishay Dale	909Ω	±1%	0.125	0805	±100ppm/°C	-55 to 155°C	No	Active	0.60
CRCW0805909RFKEBC	Vishay Dale	909Ω	±1%	0.125	0805	±100ppm/°C	-55 to 155°C	No	Active	0.60
ERJ-6ENF9090V	Panasonic Electronic Components	909Ω	±1%	0.125	0805	±100ppm/°C	-55 to 155°C	Yes	Active	0.70
RMCF0805FG909R	Stackpole Electronics Inc	909Ω	±1%	0.125	0805	±100ppm/°C	-55 to 155°C	Yes	Active	0.65
RMCF0805FT909R	Stackpole Electronics Inc	909Ω	±1%	0.125	0805	±100ppm/°C	-55 to 155°C	Yes	Active	0.65
ESR10EZPF9090	Rohm Semiconductor	909Ω	±1%	0.4	0805	±100ppm/°C	-55 to 155°C	Yes	Active	0.65
KTR10EZPF9090	Rohm Semiconductor	909Ω	±1%	0.125	0805	±100ppm/°C	-55 to 155°C	Yes	Active	0.65
CR0805-FX-9090ELF	Bourns Inc.	909Ω	±1%	0.125	0805	±100ppm/°C	-55 to 155°C	No	Active	0.60
CRGH0805F909R	TE Connectivity Passive Product	909Ω	±1%	0.333	0805	±100ppm/°C	-55 to 155°C	No	Active	N/A

Engineering Selection Recommendations

Tier 1 - Direct Replacement (Preferred): CRCW0805909RFKEA (Vishay Dale) is the primary substitute. This part maintains identical electrical specifications, AEC-Q200 automotive rating, and active manufacturing status. It is the direct equivalent with the same height profile as the original part.

Tier 2 - Automotive-Rated Alternatives: ERJ-6ENF9090V (Panasonic), RMCF0805FG909R (Stackpole), and RMCF0805FT909R (Stackpole) are all AEC-Q200 rated with identical electrical specifications. These parts are suitable for automotive and high-reliability applications. Height variations (0.65mm to 0.70mm) are within standard PCB assembly tolerances.

Tier 3 - Manufacturer Recommended (Vishay Dale Series): CRCW0805909RFKEAC and CRCW0805909RFKEBC are from Vishay Dale's CRCW-C series. These parts maintain full electrical equivalence but lack AEC-Q200 certification. Use only in non-automotive applications where automotive qualification is not required.

Tier 4 - Enhanced Performance Options: ESR10EZPF9090 (Rohm) provides 0.4W power rating with AEC-Q200 certification, suitable for applications requiring higher power dissipation margin. KTR10EZPF9090 (Rohm) offers high-voltage capability with AEC-Q200 rating and identical 0.125W power specification.

Tier 5 - Specialty Applications: CR0805-FX-9090ELF (Bourns) features moisture-resistant construction for humid environments. CRGH0805F909R (TE Connectivity) provides 0.333W power rating for applications requiring higher power handling.

For automotive applications, select from Tier 1 or Tier 2. For general industrial applications, Tier 3 options are acceptable. For enhanced reliability margins, consider Tier 4 upgrade options.

Frequently Asked Questions (FAQ)

Q: Can CRCW0805909RFKEA directly replace CRCW0805909RFKEB? A: Yes. Both parts have identical resistance (909Ω), tolerance (±1%), power rating (0.125W), package (0805), temperature coefficient (±100ppm/°C), and operating temperature range (-55°C to 155°C). CRCW0805909RFKEA is active and in stock, making it the direct replacement.

Q: What is the difference between CRCW0805909RFKEA and CRCW0805909RFKEAC? A: Both are Vishay Dale 909Ω ±1% 0.125W 0805 resistors. CRCW0805909RFKEA includes AEC-Q200 automotive certification; CRCW0805909RFKEAC does not. CRCW0805909RFKEAC has a maximum seated height of 0.60mm versus 0.50mm for CRCW0805909RFKEA. Use CRCW0805909RFKEA for automotive applications.

Q: Are Panasonic ERJ-6ENF9090V and Stackpole RMCF0805FT909R interchangeable with the original part? A: Yes. Both parts match all critical electrical parameters: 909Ω resistance, ±1% tolerance, 0.125W power, 0805 package, ±100ppm/°C temperature coefficient, and -55°C to 155°C operating range. Both are AEC-Q200 rated. Height variations (0.70mm and 0.65mm respectively) are within standard assembly tolerances.

Q: Can I use ESR10EZPF9090 as a substitute? A: Yes, with consideration. ESR10EZPF9090 has identical electrical specifications and AEC-Q200 certification but provides 0.4W power rating instead of 0.125W. This higher power rating is a performance upgrade and does not compromise compatibility. Use this part when additional thermal margin is beneficial.

Q: What does AEC-Q200 certification mean for substitution? A: AEC-Q200 is an automotive qualification standard. Parts with this certification are qualified for automotive applications. For automotive designs, substitute only with AEC-Q200 rated parts. For non-automotive applications, AEC-Q200 certification is not required.

Q: Are there any package size differences I should consider? A: All substitute parts use the 0805 (2012 Metric) package. Height variations range from 0.50mm to 0.70mm. These differences are within standard PCB assembly specifications and do not affect electrical performance or board-level compatibility.

Q: Can I use CR0805-FX-9090ELF in place of the original part? A: Yes. CR0805-FX-9090ELF has identical electrical specifications (909Ω, ±1%, 0.125W, 0805 package). It lacks AEC-Q200 certification but includes moisture-resistant construction. Use in non-automotive applications or where moisture resistance is required.

Q: What is the difference between RMCF0805FG909R and RMCF0805FT909R? A: Both are Stackpole 909Ω ±1% 0.125W 0805 resistors with AEC-Q200 certification and identical electrical specifications. The difference is in the internal construction (FG versus FT suffix), but both are electrically and mechanically interchangeable for this application.

Q: Should I choose KTR10EZPF9090 for high-voltage applications? A: KTR10EZPF9090 is specified with high-voltage capability and maintains all electrical equivalence parameters (909Ω, ±1%, 0.125W, 0805 package, AEC-Q200). Use this part when high-voltage performance is required.

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