RC2012J680CS Equivalent & Substitute Parts Reference

Part Overview

The RC2012J680CS is a 68 Ohm ±5% thick film chip resistor manufactured by Samsung Electro-Mechanics, rated at 0.125W (1/8W) in 0805 (2012 Metric) package format. This component is classified as Active product status with ROHS3 compliance and unlimited moisture sensitivity level (MSL 1). The part is supplied in Tape & Reel packaging with 973 pieces currently in stock inventory.

Equivalent and substitute parts are identified based on matching core electrical specifications: 68 Ohm resistance value, 0805 package geometry, 0.125W power rating, and operating temperature range of -55°C to 155°C. Alternative sources provide identical or upgraded tolerance grades, with some variants offering automotive AEC-Q200 qualification or enhanced pulse withstanding capabilities.

Key Parameters

Parameter	Value	Specification Basis
Resistance	68 Ohms	Core electrical requirement
Tolerance	±5%	Baseline specification
Power Rating	0.125W (1/8W)	Thermal dissipation limit
Package / Case	0805 (2012 Metric)	Physical form factor
Composition	Thick Film	Manufacturing technology
Operating Temperature	-55°C to 155°C	Environmental range
Temperature Coefficient	±100ppm/°C	Stability specification
RoHS Status	ROHS3 Compliant	Regulatory requirement
Moisture Sensitivity Level	MSL 1 (Unlimited)	Handling requirement

Substitute Part Grouping Explanation

Substitution logic is based on strict electrical and mechanical parameter matching. All substitute parts maintain the following core requirements:

Mandatory Matching Parameters:

Resistance value: 68 Ohms
Package format: 0805 (2012 Metric)
Power rating: 0.125W (1/8W)
Operating temperature range: -55°C to 155°C
Temperature coefficient: ±100ppm/°C
Composition: Thick Film
RoHS3 compliance
MSL 1 rating

Tolerance Variations: The RC2012J680CS baseline specifies ±5% tolerance. Substitute parts are grouped into two categories:

Direct Equivalents (±5% Tolerance): RC0805JR-0768RL (YAGEO) maintains identical tolerance specification, providing direct one-to-one replacement capability.
Upgraded Substitutes (±1% Tolerance): RC2012F680CS (Samsung), AC0805FR-0768RL (YAGEO), CR0805-FX-68R0ELF (Bourns), ERJ-6ENF68R0V (Panasonic), KTR10EZPF68R0 (Rohm), RC0805FR-0768RL (YAGEO), RMCF0805FT68R0 (Stackpole), and CRCW080568R0FKEA (Vishay Dale) offer tighter tolerance at ±1%, providing improved accuracy for applications requiring higher precision.

Power Rating Variation: CRCW080568R0FKEAHP (Vishay Dale) is rated at 0.5W (1/2W) instead of 0.125W. This represents a higher power dissipation capability in the same 0805 package footprint and is suitable for applications requiring increased thermal headroom.

Automotive Qualification: AC0805FR-0768RL, ERJ-6ENF68R0V, KTR10EZPF68R0, RMCF0805FT68R0, and CRCW080568R0FKEA carry AEC-Q200 automotive qualification, enabling use in automotive-grade applications.

Parameter Comparison

Manufacturer Part Number	Manufacturer	Resistance	Tolerance	Power (W)	Package	Temp Coeff	Op Temp Range	AEC-Q200	Packaging Type	Inventory
RC2012J680CS	Samsung Electro-Mechanics	68Ω	±5%	0.125	0805	±100ppm/°C	-55 to 155°C	No	Tape & Reel	973
RC2012F680CS	Samsung Electro-Mechanics	68Ω	±1%	0.125	0805	±100ppm/°C	-55 to 155°C	No	Cut Tape	814
RC0805JR-0768RL	YAGEO	68Ω	±5%	0.125	0805	±100ppm/°C	-55 to 155°C	No	Tape & Reel	268325
AC0805FR-0768RL	YAGEO	68Ω	±1%	0.125	0805	±100ppm/°C	-55 to 155°C	Yes	Tape & Reel	695
CR0805-FX-68R0ELF	Bourns Inc.	68Ω	±1%	0.125	0805	±100ppm/°C	-55 to 155°C	No	Tape & Reel	32628
ERJ-6ENF68R0V	Panasonic Electronic Components	68Ω	±1%	0.125	0805	±100ppm/°C	-55 to 155°C	Yes	Tape & Reel	154963
KTR10EZPF68R0	Rohm Semiconductor	68Ω	±1%	0.125	0805	±100ppm/°C	-55 to 155°C	Yes	Tape & Reel	4030
RC0805FR-0768RL	YAGEO	68Ω	±1%	0.125	0805	±100ppm/°C	-55 to 155°C	No	Cut Tape & Digi-Reel	113531
RMCF0805FT68R0	Stackpole Electronics Inc	68Ω	±1%	0.125	0805	±100ppm/°C	-55 to 155°C	Yes	Tape & Reel	34054
CRCW080568R0FKEA	Vishay Dale	68Ω	±1%	0.125	0805	±100ppm/°C	-55 to 155°C	Yes	Cut Tape & Digi-Reel	58221
CRCW080568R0FKEAHP	Vishay Dale	68Ω	±1%	0.5	0805	±100ppm/°C	-55 to 155°C	Yes	Tape & Reel	7921

Engineering Selection Recommendations

Direct Replacement (Identical Tolerance): RC0805JR-0768RL (YAGEO) is the direct equivalent to RC2012J680CS, maintaining ±5% tolerance specification. This part is suitable for applications where tolerance specification is non-negotiable and inventory availability is a consideration factor (268,325 units in stock).

Upgraded Tolerance Selection: For applications requiring improved accuracy, the following ±1% tolerance parts are electrically and mechanically compatible:

RC2012F680CS (Samsung Electro-Mechanics): Maintains original manufacturer sourcing with tighter tolerance
RC0805FR-0768RL (YAGEO): High inventory availability (113,531 units) with Cut Tape and Digi-Reel packaging options
CR0805-FX-68R0ELF (Bourns Inc.): Established industrial supplier with 32,628 units available

Automotive-Grade Applications: For designs requiring AEC-Q200 automotive qualification:

AC0805FR-0768RL (YAGEO): Automotive-qualified with 695 units in stock
ERJ-6ENF68R0V (Panasonic): Highest inventory availability among automotive-qualified options (154,963 units)
KTR10EZPF68R0 (Rohm): Automotive AEC-Q200 with high voltage feature capability
RMCF0805FT68R0 (Stackpole): Automotive-qualified with 34,054 units available
CRCW080568R0FKEA (Vishay Dale): Automotive AEC-Q200 with 58,221 units in stock

Enhanced Power Dissipation: CRCW080568R0FKEAHP (Vishay Dale) provides 0.5W (1/2W) power rating in the same 0805 package footprint. This part is suitable for applications requiring increased thermal margin while maintaining identical physical dimensions and footprint compatibility. Automotive AEC-Q200 qualification is included.

Packaging Considerations:

Tape & Reel (TR) packaging: Recommended for high-volume automated assembly
Cut Tape (CT) and Digi-Reel: Suitable for lower-volume or mixed-component pick-and-place operations

All substitute parts maintain ROHS3 compliance and MSL 1 (unlimited) moisture sensitivity rating, ensuring regulatory and handling requirement compatibility.

Frequently Asked Questions (FAQ)

Q: Can RC0805JR-0768RL replace RC2012J680CS in all applications?

A: RC0805JR-0768RL is a direct equivalent part. Both components share identical electrical specifications (68 Ohms ±5%, 0.125W, -55°C to 155°C operating range) and physical package format (0805). The primary difference is manufacturer source (YAGEO versus Samsung Electro-Mechanics). Substitution is valid for applications where tolerance specification and operating conditions are within ±5% and the stated temperature range.

Q: What is the difference between ±5% and ±1% tolerance parts?

A: Tolerance specification defines the maximum allowable deviation from the nominal 68 Ohm resistance value. RC2012J680CS (±5%) allows resistance values between 64.6 and 71.4 Ohms. Upgraded ±1% parts (RC2012F680CS, AC0805FR-0768RL, CR0805-FX-68R0ELF, and others) restrict values to 67.32 and 68.68 Ohms. Applications requiring tighter resistance accuracy should specify ±1% tolerance parts.

Q: Are AEC-Q200 qualified parts interchangeable with non-qualified parts?

A: AEC-Q200 qualified parts (AC0805FR-0768RL, ERJ-6ENF68R0V, KTR10EZPF68R0, RMCF0805FT68R0, CRCW080568R0FKEA, CRCW080568R0FKEAHP) meet automotive industry reliability and qualification standards. These parts are suitable for automotive applications and can replace non-qualified parts in non-automotive designs. However, non-qualified parts should not be used in applications requiring AEC-Q200 certification.

Q: What is the significance of the 0.5W power rating in CRCW080568R0FKEAHP?

A: CRCW080568R0FKEAHP is rated at 0.5W (1/2W) compared to the baseline 0.125W (1/8W) rating. This represents a four-fold increase in continuous power dissipation capability within the same 0805 package footprint. This part is suitable for applications where the resistor must dissipate higher power levels or where thermal margin is a design consideration. Physical dimensions and PCB footprint remain identical to 0.125W variants.

Q: Can I use Cut Tape packaging instead of Tape & Reel?

A: Cut Tape (CT) and Digi-Reel packaging formats are suitable for lower-volume assembly operations and manual component placement. Tape & Reel (TR) packaging is optimized for high-speed automated pick-and-place equipment. Both packaging formats contain identical components; the difference is in supply format and handling method. Selection depends on assembly process requirements and production volume.

Q: What does MSL 1 (Unlimited) moisture sensitivity level mean?

A: MSL 1 rating indicates the component has unlimited shelf life and does not require special moisture-controlled storage conditions. All substitute parts listed maintain MSL 1 rating, eliminating moisture sensitivity as a substitution constraint. Components can be stored at standard ambient conditions without desiccant packaging or controlled humidity requirements.

Q: Are all substitute parts ROHS3 compliant?

A: All substitute parts listed in this reference maintain ROHS3 compliance status. This ensures compatibility with regulatory requirements for hazardous substance restrictions. ROHS3 compliance is a mandatory requirement for all listed substitutes and does not differentiate between options.

Q: What inventory availability should influence my part selection?

A: Inventory levels are provided for reference purposes. RC0805JR-0768RL (YAGEO) offers the highest inventory availability at 268,325 units, followed by RC0805FR-0768RL (YAGEO) at 113,531 units. ERJ-6ENF68R0V (Panasonic) provides 154,963 units with automotive qualification. Selection based on inventory should consider lead time requirements and supply chain continuity for your specific application timeline.

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