RC1608F2321CS Equivalent & Substitute Parts

Part Overview

The RC1608F2321CS is a 2.32 kOhms ±1% thick film chip resistor manufactured by Samsung Electro-Mechanics in 0603 (1608 Metric) package format. This surface mount device is rated for 0.1W (1/10W) power dissipation and operates across the temperature range of -55°C to 155°C. The component features moisture resistance and is RoHS3 compliant with MSL 1 (Unlimited) moisture sensitivity rating. The part is currently in active production status with 1139 pieces available in inventory.

Equivalent and substitute parts are necessary when the primary manufacturer part becomes unavailable, when supply chain optimization is required, or when design specifications allow for alternative qualified sources that meet identical electrical and mechanical parameters.

Key Parameters

Parameter	Value
Resistance	2.32 kOhms
Tolerance	±1%
Power Rating	0.1W (1/10W)
Package / Case	0603 (1608 Metric)
Composition	Thick Film
Temperature Coefficient	±100ppm/°C
Operating Temperature Range	-55°C to 155°C
Moisture Sensitivity Level	1 (Unlimited)
RoHS Status	RoHS3 Compliant
Number of Terminations	2

Substitute Part Grouping Explanation

Substitution eligibility for the RC1608F2321CS is determined by strict equivalence across the following critical parameters:

Electrical Parameters:

Resistance value: 2.32 kOhms (exact match required)
Tolerance: ±1% (exact match required)
Power rating: 0.1W / 1/10W (exact match required)
Temperature coefficient: ±100ppm/°C (exact match required)
Operating temperature range: -55°C to 155°C (exact match required)

Mechanical Parameters:

Package type: 0603 (1608 Metric) (exact match required)
Composition: Thick Film (exact match required)
Number of terminations: 2 (exact match required)
Moisture Sensitivity Level: 1 (Unlimited) (exact match required)

Compliance Parameters:

RoHS3 Compliant status
REACH status alignment

All substitute parts listed below meet these electrical and mechanical specifications. Substitute parts are categorized as either Direct equivalents (identical specifications and packaging) or Similar parts (identical electrical and mechanical specifications with additional certifications such as AEC-Q200 automotive qualification).

Parameter Comparison

Manufacturer Part Number	Manufacturer	Resistance	Tolerance	Power (W)	Package	Temp Coeff	Op Temp Range	Composition	MSL	RoHS Status	Packaging Type	Inventory (Pcs)
RC1608F2321CS	Samsung Electro-Mechanics	2.32 kΩ	±1%	0.1	0603	±100ppm/°C	-55 to 155°C	Thick Film	1	RoHS3	Tape & Reel	1139
CR0603-FX-2321ELF	Bourns Inc.	2.32 kΩ	±1%	0.1	0603	±100ppm/°C	-55 to 155°C	Thick Film	1	RoHS3	Tape & Reel	133251
RC0603FR-072K32L	YAGEO	2.32 kΩ	±1%	0.1	0603	±100ppm/°C	-55 to 155°C	Thick Film	1	RoHS3	Tape & Reel	257842
AC0603FR-072K32L	YAGEO	2.32 kΩ	±1%	0.1	0603	±100ppm/°C	-55 to 155°C	Thick Film	1	RoHS3	Tape & Reel	1940
CRCW06032K32FKEA	Vishay Dale	2.32 kΩ	±1%	0.1	0603	±100ppm/°C	-55 to 155°C	Thick Film	1	RoHS3	Cut Tape & Digi-Reel	16837
CRCW06032K32FKTA	Vishay Dale	2.32 kΩ	±1%	0.1	0603	±100ppm/°C	-55 to 155°C	Thick Film	1	RoHS non-compliant	Tape & Reel	6004
ERJ-3EKF2321V	Panasonic Electronic Components	2.32 kΩ	±1%	0.1	0603	±100ppm/°C	-55 to 155°C	Thick Film	1	RoHS3	Tape & Reel	32394
RMCF0603FT2K32	Stackpole Electronics Inc	2.32 kΩ	±1%	0.1	0603	±100ppm/°C	-55 to 155°C	Thick Film	1	RoHS3	Tape & Reel	1242194

Engineering Selection Recommendations

Direct Equivalent (Preferred for Standard Applications):

CR0603-FX-2321ELF (Bourns Inc.) is the primary direct equivalent. This part maintains identical electrical specifications, mechanical dimensions, and compliance certifications as the RC1608F2321CS. RoHS3 compliance and MSL 1 rating are preserved. Inventory availability is substantial at 133,251 pieces.

RC0603FR-072K32L (YAGEO) is an alternative direct equivalent with identical specifications and the highest inventory availability at 257,842 pieces, providing supply chain flexibility.

Automotive-Qualified Alternatives (For AEC-Q200 Applications):

AC0603FR-072K32L (YAGEO), CRCW06032K32FKEA (Vishay Dale), ERJ-3EKF2321V (Panasonic Electronic Components), and RMCF0603FT2K32 (Stackpole Electronics Inc) are all AEC-Q200 qualified alternatives. These parts meet all electrical and mechanical parameters of the primary part while providing additional automotive qualification. Selection among these options depends on packaging preference (Tape & Reel versus Cut Tape) and supply availability.

Compliance Consideration:

CRCW06032K32FKTA (Vishay Dale) is RoHS non-compliant and REACH affected. This part is suitable only for applications where RoHS3 compliance is not required. Use of this part in RoHS-regulated applications is not permitted.

Packaging Consideration:

CRCW06032K32FKEA is supplied in Cut Tape & Digi-Reel packaging, while all other substitutes are supplied in standard Tape & Reel format. Packaging selection should align with assembly line requirements and handling procedures.

Frequently Asked Questions (FAQ)

Q: Can I substitute RC1608F2321CS with any of the listed parts without design changes?

A: Yes. All listed substitute parts meet identical electrical parameters (2.32 kOhms ±1%, 0.1W, ±100ppm/°C, -55°C to 155°C operating range) and mechanical specifications (0603 package, thick film composition, 2 terminations, MSL 1). Direct substitution is electrically and mechanically compatible. However, verify RoHS compliance requirements for your application before selecting CRCW06032K32FKTA.

Q: What is the difference between Direct and Similar substitute parts?

A: Direct equivalents (CR0603-FX-2321ELF and RC0603FR-072K32L) have identical specifications without additional certifications. Similar parts (AC0603FR-072K32L, CRCW06032K32FKEA, CRCW06032K32FKTA, ERJ-3EKF2321V, RMCF0603FT2K32) include AEC-Q200 automotive qualification in addition to meeting all base electrical and mechanical specifications. AEC-Q200 qualification is required only for automotive applications.

Q: Are there dimensional differences between substitute parts?

A: Minor dimensional variations exist within the 0603 package specification. The RC1608F2321CS has dimensions of 0.063" L x 0.031" W (1.60mm x 0.80mm) with maximum seated height of 0.022" (0.55mm). CRCW06032K32FKEA and CRCW06032K32FKTA have slightly different dimensions (0.061" to 0.063" L, 0.033" W, 0.020" max height). These variations remain within 0603 package tolerance and do not affect PCB layout or assembly compatibility.

Q: Which substitute part has the best supply availability?

A: RMCF0603FT2K32 (Stackpole Electronics Inc) has the highest inventory at 1,242,194 pieces, followed by RC0603FR-072K32L (YAGEO) at 257,842 pieces. Both parts are suitable for immediate procurement with minimal lead time risk.

Q: Is RoHS3 compliance important for my application?

A: RoHS3 compliance is mandatory for products sold in the European Union and many other regulated markets. The RC1608F2321CS and all substitute parts except CRCW06032K32FKTA are RoHS3 compliant. If your application requires RoHS3 compliance, do not use CRCW06032K32FKTA.

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

A: MSL 1 indicates the component has unlimited shelf life and requires no special moisture control during storage or handling. All listed substitute parts carry MSL 1 rating, eliminating moisture-related handling constraints.

Q: Can I use an AEC-Q200 qualified part in a non-automotive application?

A: Yes. AEC-Q200 qualified parts exceed standard reliability requirements and are fully compatible with non-automotive applications. Using automotive-qualified parts in standard applications introduces no compatibility issues and may provide enhanced reliability margins.

Q: What packaging format should I select?

A: Standard Tape & Reel (TR) packaging is suitable for automated assembly processes. CRCW06032K32FKEA is supplied in Cut Tape & Digi-Reel format, which is appropriate for lower-volume or manual assembly operations. Verify your assembly equipment compatibility before selecting Cut Tape packaging.

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