RC1608F33R2CS Equivalent & Substitute Parts Reference

Part Overview

The RC1608F33R2CS is a 33.2 Ohm ±1% thick film chip resistor manufactured by Samsung Electro-Mechanics in 0603 (1608 Metric) package format with 0.1W power rating. This component is classified as Active product status with ROHS3 compliance and unlimited moisture sensitivity level (MSL 1). The part is supplied in Cut Tape (CT) packaging with 1142 pieces currently in stock.

Equivalent and substitute parts are necessary when the primary part becomes unavailable, when alternative packaging formats are required for manufacturing processes, or when design specifications permit the use of functionally identical components from qualified manufacturers.

Key Parameters

Parameter	Value	Specification Basis
Resistance	33.2 Ohms	Exact match required
Tolerance	±1%	Exact match required
Power Rating	0.1W (1/10W)	Exact match required
Package / Case	0603 (1608 Metric)	Exact match required
Composition	Thick Film	Exact match required
Temperature Coefficient	±100ppm/°C	Exact match required
Operating Temperature Range	-55°C to 155°C	Exact match required
Number of Terminations	2	Exact match required
RoHS Status	ROHS3 Compliant	Compliance requirement
Moisture Sensitivity Level	1 (Unlimited)	Handling and storage

Substitute Part Grouping Explanation

Substitution eligibility for the RC1608F33R2CS is determined by strict equivalence across all critical electrical and mechanical parameters. The following parameters must match exactly for a part to function as a direct substitute:

Mandatory Matching Parameters:

Resistance value: 33.2 Ohms
Tolerance: ±1%
Power rating: 0.1W
Package code: 0603 (1608 Metric)
Composition: Thick Film
Temperature coefficient: ±100ppm/°C
Operating temperature range: -55°C to 155°C
Termination count: 2

Acceptable Variations:

Manufacturer identity (different qualified suppliers)
Packaging format (Cut Tape vs. Tape & Reel)
RoHS compliance status (ROHS3 Compliant vs. non-compliant variants)
REACH status (Unaffected vs. Affected)
Physical dimensions within 0603 package tolerance (minor variations in length/width/height)

Substitute parts are grouped into two categories: Direct Equivalents (identical specifications including compliance) and Similar Parts (functionally equivalent with alternative certifications such as AEC-Q200 automotive qualification).

Parameter Comparison

Part Number	Manufacturer	Resistance	Tolerance	Power	Package	Temp Coeff	Op Temp	Packaging Format	RoHS Status	AEC-Q200	Inventory
RC1608F33R2CS	Samsung Electro-Mechanics	33.2 Ω	±1%	0.1W	0603	±100ppm/°C	-55 to 155°C	Cut Tape (CT)	ROHS3	No	1,142
CR0603-FX-33R2ELF	Bourns Inc.	33.2 Ω	±1%	0.1W	0603	±100ppm/°C	-55 to 155°C	Tape & Reel (TR)	ROHS3	No	87,963
RC0603FR-0733R2L	YAGEO	33.2 Ω	±1%	0.1W	0603	±100ppm/°C	-55 to 155°C	Cut Tape (CT) & Digi-Reel®	ROHS3	No	2,543,247
AC0603FR-0733R2L	YAGEO	33.2 Ω	±1%	0.1W	0603	±100ppm/°C	-55 to 155°C	Tape & Reel (TR)	ROHS3	Yes	10,508
CRCW060333R2FKEA	Vishay Dale	33.2 Ω	±1%	0.1W	0603	±100ppm/°C	-55 to 155°C	Cut Tape (CT) & Digi-Reel®	ROHS3	Yes	80,212
CRCW060333R2FKEB	Vishay Dale	33.2 Ω	±1%	0.1W	0603	±100ppm/°C	-55 to 155°C	Tape & Reel (TR)	ROHS3	Yes	38,564
CRCW060333R2FKTA	Vishay Dale	33.2 Ω	±1%	0.1W	0603	±100ppm/°C	-55 to 155°C	Tape & Reel (TR)	RoHS non-compliant	Yes	12,118
ERJ-3EKF33R2V	Panasonic Electronic Components	33.2 Ω	±1%	0.1W	0603	±100ppm/°C	-55 to 155°C	Cut Tape (CT) & Digi-Reel®	ROHS3	Yes	248,079
RMCF0603FT33R2	Stackpole Electronics Inc	33.2 Ω	±1%	0.1W	0603	±100ppm/°C	-55 to 155°C	Tape & Reel (TR)	ROHS3	Yes	1,091,065

Engineering Selection Recommendations

Direct Equivalent (Non-Automotive): CR0603-FX-33R2ELF from Bourns Inc. and RC0603FR-0733R2L from YAGEO are direct functional equivalents to the RC1608F33R2CS. Both maintain identical electrical specifications, ROHS3 compliance, and unlimited moisture sensitivity level. Selection between these options depends on packaging format requirements (Tape & Reel vs. Cut Tape) and inventory availability.

Automotive-Qualified Alternatives (AEC-Q200): AC0603FR-0733R2L (YAGEO), CRCW060333R2FKEA (Vishay Dale), CRCW060333R2FKEB (Vishay Dale), ERJ-3EKF33R2V (Panasonic), and RMCF0603FT33R2 (Stackpole) are functionally equivalent with additional AEC-Q200 automotive qualification. These parts are suitable for applications requiring automotive-grade reliability. All maintain ROHS3 compliance except CRCW060333R2FKTA, which is RoHS non-compliant and REACH Affected.

Compliance Considerations: For applications requiring ROHS3 compliance, exclude CRCW060333R2FKTA. For applications requiring REACH compliance, exclude CRCW060333R2FKTA. For non-automotive applications without specific AEC-Q200 requirements, CR0603-FX-33R2ELF and RC0603FR-0733R2L provide cost-effective alternatives with equivalent performance.

Inventory and Availability: RMCF0603FT33R2 (Stackpole) offers the highest inventory level at 1,091,065 pieces. RC0603FR-0733R2L (YAGEO) provides 2,543,247 pieces. ERJ-3EKF33R2V (Panasonic) offers 248,079 pieces. These high-inventory options support volume production requirements.

Frequently Asked Questions (FAQ)

Q: Can I substitute RC1608F33R2CS with CR0603-FX-33R2ELF? A: Yes. CR0603-FX-33R2ELF from Bourns Inc. is a direct functional equivalent with identical resistance (33.2 Ω), tolerance (±1%), power rating (0.1W), package (0603), temperature coefficient (±100ppm/°C), and operating temperature range (-55°C to 155°C). The primary difference is packaging format (Tape & Reel vs. Cut Tape). Both are ROHS3 compliant.

Q: What is the difference between parts with and without AEC-Q200 certification? A: AEC-Q200 certification indicates automotive-grade qualification with enhanced reliability testing and quality assurance. Parts with AEC-Q200 (AC0603FR-0733R2L, CRCW060333R2FKEA, CRCW060333R2FKEB, ERJ-3EKF33R2V, RMCF0603FT33R2) are suitable for automotive applications. Parts without AEC-Q200 (RC1608F33R2CS, CR0603-FX-33R2ELF, RC0603FR-0733R2L) are suitable for general industrial and consumer applications. Electrical performance is identical.

Q: Does packaging format (Cut Tape vs. Tape & Reel) affect electrical performance? A: No. Packaging format affects only manufacturing and assembly processes. Cut Tape (CT) and Tape & Reel (TR) formats contain identical components with identical electrical specifications. Selection depends on assembly equipment compatibility and production workflow requirements.

Q: Is CRCW060333R2FKTA suitable as a substitute? A: CRCW060333R2FKTA is electrically equivalent but is RoHS non-compliant and REACH Affected. Use this part only in applications where RoHS3 compliance is not required. For applications requiring RoHS3 compliance, select from CR0603-FX-33R2ELF, RC0603FR-0733R2L, AC0603FR-0733R2L, CRCW060333R2FKEA, CRCW060333R2FKEB, ERJ-3EKF33R2V, or RMCF0603FT33R2.

Q: Can I use automotive-qualified parts (AEC-Q200) in non-automotive applications? A: Yes. Automotive-qualified parts exceed the performance and reliability requirements of non-automotive applications. Using AEC-Q200 parts in non-automotive designs provides additional margin and reliability assurance. This substitution is technically valid and often preferred for critical applications.

Q: What are the physical dimension tolerances for 0603 package substitutes? A: All listed substitutes conform to 0603 (1608 Metric) package specification. Minor variations exist within package tolerance: length ranges from 0.061" to 0.063" (1.55mm to 1.60mm), width ranges from 0.031" to 0.033" (0.80mm to 0.85mm), and height ranges from 0.020" to 0.022" (0.50mm to 0.55mm). These variations are within standard PCB footprint design tolerances and do not affect assembly compatibility.

Q: Which substitute offers the best inventory availability? A: RMCF0603FT33R2 from Stackpole Electronics Inc. offers the highest inventory at 1,091,065 pieces, followed by RC0603FR-0733R2L from YAGEO at 2,543,247 pieces. Both support high-volume production requirements with immediate availability.

Q: Are all substitutes moisture resistant? A: Yes. All listed substitutes are thick film resistors with moisture-resistant construction and MSL 1 (Unlimited) moisture sensitivity level, identical to the RC1608F33R2CS. No special moisture handling precautions are required for any of these parts.

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