909 kOhms ±1% 1/8W 0805 Chip Resistor Equivalent & Substitute Parts

Part Overview

The RCS2012F9093CS is a 909 kOhms ±1% 0.125W thick film chip resistor in 0805 (2012 Metric) package manufactured by Samsung Electro-Mechanics. This component is classified as Active product status and features anti-sulfur and moisture-resistant construction. Equivalent and substitute parts are identified based on matching electrical specifications, mechanical dimensions, and package compatibility to support design flexibility, inventory optimization, and supply chain continuity.

Key Parameters

Parameter	Specification
Resistance Value	909 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 ~ 155°C
Moisture Sensitivity Level (MSL)	1 (Unlimited)
Number of Terminations	2

Substitute Part Grouping Explanation

Substitution eligibility for the RCS2012F9093CS is determined by strict equivalence across the following parameters:

Mandatory Matching Parameters:

Resistance Value: 909 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 ~ 155°C
Moisture Sensitivity Level: 1 (Unlimited)
Number of Terminations: 2

All identified substitute parts meet these mandatory parameters. Variations in physical height, RoHS compliance status, and automotive certifications (AEC-Q200) are secondary characteristics that do not affect electrical or mechanical substitutability within the 0805 package footprint.

Parameter Comparison

Manufacturer Part Number	Manufacturer	Resistance	Tolerance	Power (W)	Package	Temp Coeff	Op. Temp Range	Height Max (mm)	RoHS Status	Inventory (Pcs)
RCS2012F9093CS	Samsung Electro-Mechanics	909 kΩ	±1%	0.125	0805	±100ppm/°C	-55 ~ 155°C	0.66	ROHS3 Compliant	1013
CRCW0805909KFKEA	Vishay Dale	909 kΩ	±1%	0.125	0805	±100ppm/°C	-55 ~ 155°C	0.50	ROHS3 Compliant	1252
CRCW0805909KFKTA	Vishay Dale	909 kΩ	±1%	0.125	0805	±100ppm/°C	-55 ~ 155°C	0.50	RoHS non-compliant	5731
ERJ-6ENF9093V	Panasonic Electronic Components	909 kΩ	±1%	0.125	0805	±100ppm/°C	-55 ~ 155°C	0.70	ROHS3 Compliant	79248
RC0805FR-07909KL	YAGEO	909 kΩ	±1%	0.125	0805	±100ppm/°C	-55 ~ 155°C	0.60	ROHS3 Compliant	44280
RMCF0805FT909K	Stackpole Electronics Inc	909 kΩ	±1%	0.125	0805	±100ppm/°C	-55 ~ 155°C	0.65	ROHS3 Compliant	5322

Engineering Selection Recommendations

Primary Selection Criteria:

All substitute parts listed are electrically and mechanically equivalent to the RCS2012F9093CS. Selection among substitutes is based on the following factors:

RoHS Compliance: The CRCW0805909KFKEA (Vishay Dale), ERJ-6ENF9093V (Panasonic), RC0805FR-07909KL (YAGEO), and RMCF0805FT909K (Stackpole) are ROHS3 Compliant. The CRCW0805909KFKTA (Vishay Dale) is RoHS non-compliant and should be selected only when RoHS compliance is not a design requirement.

REACH Compliance: The CRCW0805909KFKTA is REACH Affected. All other substitutes are REACH Unaffected.

Automotive Certification: The CRCW0805909KFKEA, CRCW0805909KFKTA, ERJ-6ENF9093V, and RMCF0805FT909K carry AEC-Q200 automotive qualification. The RC0805FR-07909KL does not carry automotive certification.

Physical Height Variation: All substitutes fit within the 0805 package envelope. Height variations (0.50mm to 0.70mm) do not affect PCB assembly compatibility for standard 0805 footprints.

Inventory Availability: ERJ-6ENF9093V (79248 Pcs) and RC0805FR-07909KL (44280 Pcs) offer the highest inventory levels.

Frequently Asked Questions (FAQ)

Q: Can CRCW0805909KFKEA be used as a direct replacement for RCS2012F9093CS?

A: Yes. Both parts share identical electrical specifications (909 kΩ, ±1%, 0.125W), temperature coefficient (±100ppm/°C), operating temperature range (-55°C ~ 155°C), and 0805 package footprint. CRCW0805909KFKEA is ROHS3 Compliant and carries AEC-Q200 automotive qualification.

Q: What is the difference between CRCW0805909KFKEA and CRCW0805909KFKTA?

A: Both are Vishay Dale CRCW series 909 kΩ ±1% 1/8W 0805 resistors with identical electrical performance. The primary difference is compliance status: CRCW0805909KFKEA is ROHS3 Compliant and REACH Unaffected, while CRCW0805909KFKTA is RoHS non-compliant and REACH Affected. CRCW0805909KFKTA offers higher inventory (5731 Pcs vs. 1252 Pcs).

Q: Is RC0805FR-07909KL suitable for automotive applications?

A: RC0805FR-07909KL (YAGEO) does not carry AEC-Q200 automotive certification. For automotive applications requiring AEC-Q200 qualification, select CRCW0805909KFKEA, CRCW0805909KFKTA, ERJ-6ENF9093V, or RMCF0805FT909K.

Q: Do all substitute parts fit the same PCB footprint as RCS2012F9093CS?

A: Yes. All substitute parts are packaged in 0805 (2012 Metric) with 2 terminations. Physical height variations (0.50mm to 0.70mm) are within standard 0805 package tolerances and do not affect PCB assembly compatibility.

Q: Which substitute offers the best inventory availability?

A: ERJ-6ENF9093V (Panasonic) offers 79248 Pcs in stock, followed by RC0805FR-07909KL (YAGEO) with 44280 Pcs.

Q: Are all substitutes ROHS3 Compliant?

A: No. CRCW0805909KFKTA is RoHS non-compliant. All other substitutes (CRCW0805909KFKEA, ERJ-6ENF9093V, RC0805FR-07909KL, RMCF0805FT909K) are ROHS3 Compliant.

Q: What is the temperature coefficient specification for all parts?

A: All parts, including the main part and all substitutes, have a temperature coefficient of ±100ppm/°C and operate across the -55°C ~ 155°C temperature range.

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