RC2012F330CS Equivalent & Substitute Parts Reference

Part Overview

The RC2012F330CS is a 33 Ohm ±1% 0.125W (1/8W) thick film chip resistor manufactured by Samsung Electro-Mechanics in 0805 (2012 Metric) package format. This component is classified as Active product status with moisture resistant characteristics and unlimited moisture sensitivity level (MSL 1). The part is RoHS3 compliant and REACH unaffected, making it suitable for general industrial and consumer electronics applications. Equivalent and substitute parts are identified based on matching electrical specifications, mechanical dimensions, and packaging compatibility to ensure direct circuit board replacement capability.

Key Parameters

Parameter	Specification
Resistance Value	33 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
Physical Dimensions	0.079" L x 0.049" W (2.00mm x 1.25mm)
Number of Terminations	2
RoHS Status	RoHS3 Compliant
Moisture Sensitivity Level	1 (Unlimited)

Substitute Part Grouping Explanation

Substitution eligibility for the RC2012F330CS is determined by strict equivalence across the following critical parameters:

Electrical Parameters: Resistance value (33 Ohms), tolerance (±1%), and power rating (0.125W / 1/8W) must match exactly. Temperature coefficient (±100ppm/°C) and operating temperature range (-55°C to 155°C) establish thermal performance boundaries.

Mechanical Parameters: Package designation (0805 / 2012 Metric), physical dimensions (0.079" L x 1.25mm W), and number of terminations (2) ensure physical and electrical compatibility on printed circuit boards.

Material & Composition: Thick film construction is the specified composition type for all qualified substitutes.

Compliance & Certification: RoHS3 compliance and MSL 1 rating are baseline requirements. Additional certifications such as AEC-Q200 automotive qualification represent enhanced specifications that do not disqualify a part from substitution but indicate expanded application scope.

Packaging Format: Both Tape & Reel (TR) and Cut Tape (CT) & Digi-Reel® formats are acceptable for substitution purposes, as packaging format does not affect electrical or mechanical performance.

Parts that deviate from the 0.125W power rating specification (such as 0.5W variants) are classified as similar but not direct substitutes due to altered electrical characteristics.

Parameter Comparison

Manufacturer Part Number	Manufacturer	Resistance	Tolerance	Power (W)	Package	Temp Coeff	Op Temp Range	Height Max	Features	RoHS Status	Product Status
RC2012F330CS	Samsung Electro-Mechanics	33 Ω	±1%	0.125	0805	±100ppm/°C	-55°C ~ 155°C	0.026" (0.65mm)	Moisture Resistant	RoHS3	Active
CR0805-FX-33R0ELF	Bourns Inc.	33 Ω	±1%	0.125	0805	±100ppm/°C	-55°C ~ 155°C	0.024" (0.60mm)	Moisture Resistant	RoHS3	Active
ERJ-6ENF33R0V	Panasonic Electronic Components	33 Ω	±1%	0.125	0805	±100ppm/°C	-55°C ~ 155°C	0.028" (0.70mm)	Automotive AEC-Q200	RoHS3	Active
KTR10EZPF33R0	Rohm Semiconductor	33 Ω	±1%	0.125	0805	±100ppm/°C	-55°C ~ 155°C	0.026" (0.65mm)	Automotive AEC-Q200, High Voltage	RoHS3	Active
RC0805FR-0733RL	YAGEO	33 Ω	±1%	0.125	0805	±100ppm/°C	-55°C ~ 155°C	0.024" (0.60mm)	Moisture Resistant	RoHS3	Active
RMCF0805FT33R0	Stackpole Electronics Inc	33 Ω	±1%	0.125	0805	±100ppm/°C	-55°C ~ 155°C	0.026" (0.65mm)	Automotive AEC-Q200	RoHS3	Active
AC0805FR-0733RL	YAGEO	33 Ω	±1%	0.125	0805	±100ppm/°C	-55°C ~ 155°C	0.024" (0.60mm)	Automotive AEC-Q200, Moisture Resistant	RoHS3	Active
CRCW080533R0FKEA	Vishay Dale	33 Ω	±1%	0.125	0805	±100ppm/°C	-55°C ~ 155°C	0.020" (0.50mm)	Automotive AEC-Q200	RoHS3	Active
CRCW080533R0FKEAC	Vishay Dale	33 Ω	±1%	0.125	0805	±100ppm/°C	-55°C ~ 155°C	0.024" (0.60mm)	Standard	RoHS3	Active
CRCW080533R0FKEB	Vishay Dale	33 Ω	±1%	0.125	0805	±100ppm/°C	-55°C ~ 155°C	0.020" (0.50mm)	Automotive AEC-Q200	RoHS3	Discontinued at DiGi Electronics

Engineering Selection Recommendations

Direct Substitutes (Preferred Selection): CR0805-FX-33R0ELF (Bourns), RC0805FR-0733RL (YAGEO), and CRCW080533R0FKEAC (Vishay Dale) are direct electrical and mechanical equivalents to the RC2012F330CS. All three maintain identical resistance, tolerance, power rating, and operating temperature specifications with active product status. These parts are suitable for immediate substitution in applications where the original Samsung component is unavailable.

Automotive-Qualified Substitutes: ERJ-6ENF33R0V (Panasonic), KTR10EZPF33R0 (Rohm), RMCF0805FT33R0 (Stackpole), AC0805FR-0733RL (YAGEO), and CRCW080533R0FKEA (Vishay Dale) carry AEC-Q200 automotive qualification. These parts meet all electrical and mechanical requirements of the RC2012F330CS and are suitable for applications requiring automotive-grade reliability. Selection of AEC-Q200 qualified parts is appropriate for automotive, industrial, and mission-critical applications.

Avoid: CRCW080533R0FKEAHP (Vishay Dale) operates at 0.5W power rating and is not a direct substitute. CRCW080533R0FKEB (Vishay Dale) is discontinued at DiGi Electronics and should not be selected for new designs.

Packaging Consideration: Tape & Reel (TR) packaging is suitable for high-volume automated assembly. Cut Tape (CT) & Digi-Reel® packaging is appropriate for lower-volume or manual assembly operations. Packaging format does not affect electrical performance and may be selected based on procurement and assembly requirements.

Frequently Asked Questions (FAQ)

Q: Can I substitute RC2012F330CS with a part that has different power rating?

A: No. The power rating (0.125W / 1/8W) is a critical electrical specification. Parts with different power ratings (such as 0.5W variants) have altered thermal and electrical characteristics and are not direct substitutes. Use only parts rated at 0.125W / 1/8W.

Q: What is the difference between moisture resistant and standard thick film resistors?

A: Moisture resistant thick film resistors include protective coatings that reduce moisture absorption and improve long-term reliability in humid environments. The RC2012F330CS specifies moisture resistant construction. Substitutes with moisture resistant features (CR0805-FX-33R0ELF, RC0805FR-0733RL, AC0805FR-0733RL) provide equivalent environmental protection. Standard variants (CRCW080533R0FKEAC) are electrically equivalent but lack moisture resistant coating.

Q: Is AEC-Q200 certification required for my application?

A: AEC-Q200 certification is required only for automotive and mission-critical applications. For general industrial and consumer electronics, non-AEC-Q200 parts (CR0805-FX-33R0ELF, RC0805FR-0733RL, CRCW080533R0FKEAC) are fully qualified. AEC-Q200 qualified parts may be selected for enhanced reliability margin in any application.

Q: Does package height affect circuit board compatibility?

A: Package height variations (0.020" to 0.028" maximum seated height) are within standard 0805 package tolerances and do not affect circuit board compatibility. All listed substitutes are mechanically compatible with PCB designs specified for 0805 (2012 Metric) packages.

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

A: Yes. Packaging format (Tape & Reel or Cut Tape & Digi-Reel®) affects procurement and assembly logistics but does not impact electrical or mechanical performance. Select packaging format based on your assembly process requirements.

Q: Why is CRCW080533R0FKEB listed as discontinued?

A: CRCW080533R0FKEB is marked as discontinued at DiGi Electronics, indicating limited future availability. While electrically and mechanically equivalent to RC2012F330CS, this part should not be selected for new designs. Use active alternatives such as CRCW080533R0FKEA or CRCW080533R0FKEAC instead.

Q: Are all listed substitutes RoHS3 compliant?

A: Yes. All direct and similar substitute parts listed carry RoHS3 compliance certification, matching the RC2012F330CS specification. All parts are REACH unaffected with EAR99 export classification.

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