RC1608F161CS Equivalent & Substitute Parts Reference

Part Overview

The RC1608F161CS is a 160 Ohms ±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 moisture-resistant construction and unlimited moisture sensitivity level (MSL 1). The part is ROHS3 compliant and REACH unaffected, suitable for general industrial and commercial applications operating across -55°C to 155°C temperature range.

Equivalent and substitute parts are necessary when the primary part experiences supply constraints, inventory depletion, or when design requirements necessitate alternative manufacturers with enhanced certifications such as automotive AEC-Q200 qualification or improved availability.

Key Parameters

Parameter	Value	Specification Basis
Resistance	160 Ohms	Core electrical specification
Tolerance	±1%	Precision requirement
Power Rating	0.1W (1/10W)	Thermal dissipation capacity
Package / Case	0603 (1608 Metric)	Physical form factor
Composition	Thick Film	Construction technology
Temperature Coefficient	±100ppm/°C	Stability specification
Operating Temperature Range	-55°C to 155°C	Environmental limits
Terminations	2	Connection points
RoHS Status	ROHS3 Compliant	Environmental regulation
Moisture Sensitivity Level	1 (Unlimited)	Handling requirement

Substitute Part Grouping Explanation

Substitution eligibility is determined by strict equivalence across all critical electrical and mechanical parameters. The following parameters must match identically for direct substitution:

Mandatory Matching Parameters:

Resistance value: 160 Ohms
Tolerance: ±1%
Power rating: 0.1W (1/10W)
Package: 0603 (1608 Metric)
Composition: Thick Film
Temperature coefficient: ±100ppm/°C
Operating temperature range: -55°C to 155°C
Terminations: 2
RoHS compliance: ROHS3 Compliant
Moisture sensitivity level: 1 (Unlimited)

Substitution Categories:

Direct Substitutes maintain identical specifications across all parameters. These parts are functionally interchangeable without circuit redesign or performance impact.

Upgrade Substitutes provide enhanced certifications (AEC-Q200 automotive qualification) or additional features (high voltage capability) while maintaining all core electrical and mechanical specifications. These parts exceed baseline requirements and are suitable for applications requiring higher reliability standards.

Similar Substitutes maintain core electrical specifications but may have minor dimensional variations within acceptable tolerances or different packaging formats (Cut Tape vs. Tape & Reel). These parts are compatible with equivalent performance characteristics.

Parameter Comparison

Manufacturer	Part Number	Resistance	Tolerance	Power	Package	Temp Coeff	Op Temp Range	Features	Product Status	RoHS	MSL
Samsung Electro-Mechanics	RC1608F161CS	160Ω	±1%	0.1W	0603	±100ppm/°C	-55°C~155°C	Moisture Resistant	Active	ROHS3	1
Bourns Inc.	CR0603-FX-1600ELF	160Ω	±1%	0.1W	0603	±100ppm/°C	-55°C~155°C	Moisture Resistant	Active	ROHS3	1
TE Connectivity Passive Product	CRG0603F160R	160Ω	±1%	0.1W	0603	±100ppm/°C	-55°C~155°C	—	Active	ROHS3	1
YAGEO	RC0603FR-07160RL	160Ω	±1%	0.1W	0603	±100ppm/°C	-55°C~155°C	Moisture Resistant	Active	ROHS3	1
Rohm Semiconductor	KTR03EZPF1600	160Ω	±1%	0.1W	0603	±100ppm/°C	-55°C~155°C	AEC-Q200, High Voltage	Active	ROHS3	1
Rohm Semiconductor	MCR03ERTF1600	160Ω	±1%	0.1W	0603	±100ppm/°C	-55°C~155°C	—	Discontinued at DiGi Electronics	ROHS3	1
Vishay Dale	CRCW0603160RFKEA	160Ω	±1%	0.1W	0603	±100ppm/°C	-55°C~155°C	AEC-Q200	Active	ROHS3	1
Panasonic Electronic Components	ERJ-3EKF1600V	160Ω	±1%	0.1W	0603	±100ppm/°C	-55°C~155°C	AEC-Q200	Active	ROHS3	1
Stackpole Electronics Inc	RMCF0603FT160R	160Ω	±1%	0.1W	0603	±100ppm/°C	-55°C~155°C	AEC-Q200	Active	ROHS3	1

Engineering Selection Recommendations

Direct Substitution (Equivalent Performance):

CR0603-FX-1600ELF (Bourns Inc.) and RC0603FR-07160RL (YAGEO) are direct functional equivalents to RC1608F161CS. Both maintain identical electrical specifications, moisture-resistant construction, and active product status. Selection between these options is based on inventory availability and supply chain logistics. YAGEO RC0603FR-07160RL offers significantly higher inventory availability (257,429 units) compared to Bourns CR0603-FX-1600ELF (11,418 units).

CRG0603F160R (TE Connectivity Passive Product) is electrically equivalent but lacks documented moisture-resistant features. This part is suitable for applications where moisture resistance is not a design requirement. Product status is Active with adequate inventory (785 units).

Upgrade Substitution (Enhanced Reliability):

KTR03EZPF1600 (Rohm Semiconductor), CRCW0603160RFKEA (Vishay Dale), ERJ-3EKF1600V (Panasonic Electronic Components), and RMCF0603FT160R (Stackpole Electronics Inc) all provide AEC-Q200 automotive qualification while maintaining identical core specifications. These parts are suitable for applications requiring automotive-grade reliability standards. KTR03EZPF1600 additionally features high voltage capability. Selection among these upgrade options depends on application requirements and inventory availability. RMCF0603FT160R (Stackpole) offers the highest inventory level (305,332 units) among AEC-Q200 qualified alternatives.

Avoid:

MCR03ERTF1600 (Rohm Semiconductor) is discontinued at DiGi Electronics and should not be selected for new designs despite active status at other distributors. This part presents supply chain risk for long-term production requirements.

Frequently Asked Questions (FAQ)

Q: Can I substitute RC1608F161CS with CR0603-FX-1600ELF in my circuit?

A: Yes. CR0603-FX-1600ELF is a direct substitute maintaining identical electrical specifications (160Ω ±1%, 0.1W), package format (0603), temperature coefficient (±100ppm/°C), operating range (-55°C to 155°C), and moisture-resistant construction. No circuit redesign is required.

Q: What is the difference between direct substitutes and upgrade substitutes?

A: Direct substitutes maintain all specifications of the original part. Upgrade substitutes provide enhanced certifications (AEC-Q200 automotive qualification) or additional features (high voltage capability) while maintaining identical core electrical and mechanical specifications. Upgrade parts exceed baseline requirements and are suitable for higher reliability applications.

Q: Are AEC-Q200 qualified parts compatible with standard industrial applications?

A: Yes. AEC-Q200 qualified parts (KTR03EZPF1600, CRCW0603160RFKEA, ERJ-3EKF1600V, RMCF0603FT160R) maintain all specifications required for standard industrial use. The AEC-Q200 certification indicates additional reliability testing and is not a limitation for non-automotive applications.

Q: Does packaging format affect substitution compatibility?

A: Packaging format (Tape & Reel vs. Cut Tape) does not affect electrical or mechanical compatibility. All listed substitutes are available in compatible packaging formats suitable for automated assembly. Selection is based on procurement and inventory management requirements.

Q: Why is MCR03ERTF1600 listed if it is discontinued?

A: MCR03ERTF1600 is documented as discontinued at DiGi Electronics but may remain available through alternative distributors. This part should not be selected for new designs due to supply chain discontinuation risk, despite maintaining identical electrical specifications.

Q: What inventory levels should I consider for supply chain planning?

A: YAGEO RC0603FR-07160RL (257,429 units) and Stackpole RMCF0603FT160R (305,332 units) offer the highest inventory availability. For standard industrial applications, RC0603FR-07160RL provides direct equivalence with superior availability. For automotive-grade requirements, RMCF0603FT160R provides AEC-Q200 qualification with highest inventory among qualified alternatives.

Q: Are all listed parts ROHS3 compliant?

A: Yes. All listed substitutes maintain ROHS3 compliance and REACH unaffected status, meeting current environmental regulations for electronic component manufacturing and use.

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