RC1608F1370CS Equivalent & Substitute Parts Reference

Part Overview

The RC1608F1370CS is a 137 Ohms ±1% 0.1W thick film chip resistor manufactured by Samsung Electro-Mechanics in 0603 (1608 Metric) package format. This component is classified as Active product status with moisture resistant characteristics and unlimited moisture sensitivity level (MSL 1). The RC1608F1370CS serves as a precision resistive element in general-purpose electronic applications requiring stable resistance values across extended temperature ranges. Equivalent and substitute parts are identified to support supply chain continuity, design flexibility, and procurement optimization when the primary part becomes unavailable or when alternative sourcing is required.

Key Parameters

Parameter	Value	Specification Basis
Resistance Value	137 Ohms	Core functional requirement
Tolerance	±1%	Precision specification
Power Rating	0.1W (1/10W)	Thermal dissipation capacity
Package / Case	0603 (1608 Metric)	Physical form factor
Composition	Thick Film	Manufacturing technology
Temperature Coefficient	±100ppm/°C	Temperature stability
Operating Temperature Range	-55°C ~ 155°C	Environmental operating limits
RoHS Status	ROHS3 Compliant	Environmental compliance
Moisture Sensitivity Level	1 (Unlimited)	Handling and storage requirements
Number of Terminations	2	Connection points

Substitute Part Grouping Explanation

Substitute parts for the RC1608F1370CS are classified into two categories based on functional equivalence and feature alignment:

Direct Equivalents maintain identical electrical and mechanical specifications with the main part:

RC0603FR-07137RL (YAGEO)
CR0603-FX-1370ELF (Bourns Inc.)

These parts share the same resistance value (137 Ohms), tolerance (±1%), power rating (0.1W), package format (0603), composition (thick film), temperature coefficient (±100ppm/°C), operating temperature range (-55°C ~ 155°C), and compliance certifications (ROHS3, MSL 1).

Similar Parts with Enhanced Features meet all core electrical and mechanical requirements but include additional automotive-grade certifications:

CRCW0603137RFKEA (Vishay Dale)
ERJ-3EKF1370V (Panasonic Electronic Components)
RMCF0603FT137R (Stackpole Electronics Inc)

These parts maintain identical electrical specifications and package compatibility but incorporate AEC-Q200 automotive qualification. Physical dimensions show minor variations within acceptable tolerances for 0603 package form factors.

Substitution eligibility is determined by matching: resistance value, tolerance, power rating, package format, composition type, temperature coefficient, operating temperature range, and compliance status.

Parameter Comparison

Parameter	RC1608F1370CS (Samsung)	RC0603FR-07137RL (YAGEO)	CR0603-FX-1370ELF (Bourns)	CRCW0603137RFKEA (Vishay Dale)	ERJ-3EKF1370V (Panasonic)	RMCF0603FT137R (Stackpole)
Resistance	137 Ohms	137 Ohms	137 Ohms	137 Ohms	137 Ohms	137 Ohms
Tolerance	±1%	±1%	±1%	±1%	±1%	±1%
Power Rating	0.1W	0.1W	0.1W	0.1W	0.1W	0.1W
Package	0603 (1608 Metric)	0603 (1608 Metric)	0603 (1608 Metric)	0603 (1608 Metric)	0603 (1608 Metric)	0603 (1608 Metric)
Composition	Thick Film	Thick Film	Thick Film	Thick Film	Thick Film	Thick Film
Temperature Coefficient	±100ppm/°C	±100ppm/°C	±100ppm/°C	±100ppm/°C	±100ppm/°C	±100ppm/°C
Operating Temperature	-55°C ~ 155°C	-55°C ~ 155°C	-55°C ~ 155°C	-55°C ~ 155°C	-55°C ~ 155°C	-55°C ~ 155°C
RoHS Status	ROHS3 Compliant	ROHS3 Compliant	ROHS3 Compliant	ROHS3 Compliant	ROHS3 Compliant	ROHS3 Compliant
MSL Rating	1 (Unlimited)	1 (Unlimited)	1 (Unlimited)	1 (Unlimited)	1 (Unlimited)	1 (Unlimited)
Automotive Grade	Standard	Standard	Standard	AEC-Q200	AEC-Q200	AEC-Q200
Product Status	Active	Active	Active	Active	Active	Active

Engineering Selection Recommendations

All listed substitute parts maintain Active product status and full compliance with ROHS3 environmental regulations and MSL 1 moisture sensitivity classification. Selection between direct equivalents and automotive-grade alternatives depends on application requirements:

For general-purpose applications where automotive qualification is not mandated, RC0603FR-07137RL (YAGEO) and CR0603-FX-1370ELF (Bourns Inc.) provide direct functional equivalence with the RC1608F1370CS. Both parts are manufactured to identical electrical and mechanical specifications.

For automotive or mission-critical applications where AEC-Q200 qualification is specified or preferred, CRCW0603137RFKEA (Vishay Dale), ERJ-3EKF1370V (Panasonic Electronic Components), and RMCF0603FT137R (Stackpole Electronics Inc) are appropriate selections. These parts meet all core electrical requirements while providing additional automotive-grade reliability assurance.

All substitute parts are confirmed Active with current manufacturing support and established supply availability. Component selection should be based on application classification, supply chain requirements, and procurement specifications rather than technical performance differentiation, as all parts meet identical functional criteria.

Frequently Asked Questions (FAQ)

Q: Can RC0603FR-07137RL be used as a direct replacement for RC1608F1370CS?

A: Yes. RC0603FR-07137RL meets all electrical and mechanical specifications of the RC1608F1370CS, including 137 Ohms resistance, ±1% tolerance, 0.1W power rating, 0603 package format, thick film composition, ±100ppm/°C temperature coefficient, -55°C ~ 155°C operating range, ROHS3 compliance, and MSL 1 rating. The primary difference is packaging format (Cut Tape & Digi-Reel® versus Tape & Reel), which does not affect component functionality.

Q: What is the difference between standard and AEC-Q200 qualified parts?

A: AEC-Q200 qualification indicates automotive-grade reliability testing and qualification. Parts such as CRCW0603137RFKEA, ERJ-3EKF1370V, and RMCF0603FT137R carry this certification. All electrical and mechanical parameters remain identical to non-automotive versions. AEC-Q200 qualification is required for automotive applications but is not necessary for general industrial or consumer electronics unless specified in design requirements.

Q: Are physical dimensions identical across all substitute parts?

A: Physical dimensions are functionally equivalent within 0603 package tolerance specifications. The RC1608F1370CS, RC0603FR-07137RL, CR0603-FX-1370ELF, and ERJ-3EKF1370V share identical dimensions of 0.063" L x 0.031" W (1.60mm x 0.80mm) with 0.022" (0.55mm) maximum seated height. CRCW0603137RFKEA and RMCF0603FT137R show minor dimensional variations (0.061" L x 0.033" W and 0.061" L x 0.031" W respectively) with reduced seated heights (0.020" and 0.022" respectively). These variations remain within standard 0603 package tolerances and do not affect PCB layout compatibility.

Q: Can substitute parts be mixed in the same production batch?

A: All substitute parts are functionally equivalent and meet identical electrical specifications. However, procurement and manufacturing documentation should specify which part number is authorized for each production lot to maintain traceability and compliance records.

Q: What is MSL 1 rating and why is it important?

A: MSL (Moisture Sensitivity Level) 1 indicates unlimited shelf life without moisture bake-out requirements. All listed parts carry MSL 1 rating, meaning they can be stored and handled under standard conditions without special moisture control procedures. This simplifies inventory management and reduces handling costs compared to higher MSL-rated components.

Q: Are all substitute parts currently in production?

A: Yes. All substitute parts maintain Active product status with current manufacturing support. Inventory availability varies by manufacturer and distributor, with RC0603FR-07137RL (YAGEO) showing the highest current stock levels at 186,592 pieces.

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