RC1608F1913CS Equivalent & Substitute Parts Reference

Part Overview

The RC1608F1913CS is a 191 kOhms ±1% thick film chip resistor manufactured by Samsung Electro-Mechanics, rated at 0.1W (1/10W) power dissipation in a 0603 (1608 Metric) surface mount package. This component is classified as Active product status with ROHS3 compliance and unlimited moisture sensitivity level (MSL 1). The part is designed for general-purpose applications requiring precision resistive elements with moisture resistance in compact form factors. Equivalent and substitute parts are identified based on matching electrical specifications (resistance value, tolerance, power rating), mechanical compatibility (package size, termination count, physical dimensions), and environmental ratings (operating temperature range, temperature coefficient, compliance certifications).

Key Parameters

Parameter	Value	Unit
Resistance	191	kOhms
Tolerance	±1%	-
Power Rating	0.1	W (1/10W)
Package / Case	0603 (1608 Metric)	-
Composition	Thick Film	-
Temperature Coefficient	±100	ppm/°C
Operating Temperature Range	-55 to 155	°C
Number of Terminations	2	-
RoHS Status	ROHS3 Compliant	-
Moisture Sensitivity Level	1 (Unlimited)	-

Substitute Part Grouping Explanation

Substitute parts for the RC1608F1913CS are classified into two categories based on functional equivalence and application suitability:

Direct Equivalents share identical electrical and mechanical specifications with no additional certifications or feature variations. These parts are interchangeable in all applications where the RC1608F1913CS is specified.

Similar Parts with Enhanced Features maintain all core electrical and mechanical parameters but include additional automotive-grade certifications (AEC-Q200) or alternative packaging formats. These parts are suitable for applications requiring automotive qualification or where enhanced reliability standards are mandated.

Substitution Criteria:

Resistance value: 191 kOhms (exact match required)
Tolerance: ±1% (exact match required)
Power rating: 0.1W / 1/10W (exact match required)
Package: 0603 (1608 Metric) (exact match required)
Composition: Thick Film (exact match required)
Temperature coefficient: ±100ppm/°C (exact match required)
Operating temperature: -55°C to 155°C (exact match required)
Terminations: 2 (exact match required)
RoHS compliance: ROHS3 (minimum requirement)
MSL rating: 1 or equivalent (minimum requirement)

Parameter Comparison

Part Number	Manufacturer	Resistance (kOhms)	Tolerance	Power (W)	Package	Temp Coeff (ppm/°C)	Op Temp (°C)	Features	RoHS	MSL
RC1608F1913CS	Samsung Electro-Mechanics	191	±1%	0.1	0603	±100	-55 to 155	Moisture Resistant	ROHS3	1
CR0603-FX-1913ELF	Bourns Inc.	191	±1%	0.1	0603	±100	-55 to 155	Moisture Resistant	ROHS3	1
RC0603FR-07191KL	YAGEO	191	±1%	0.1	0603	±100	-55 to 155	Moisture Resistant	ROHS3	1
AC0603FR-07191KL	YAGEO	191	±1%	0.1	0603	±100	-55 to 155	Automotive AEC-Q200, Moisture Resistant	ROHS3	1
CRCW0603191KFKEA	Vishay Dale	191	±1%	0.1	0603	±100	-55 to 155	Automotive AEC-Q200	ROHS3	1
ERJ-3EKF1913V	Panasonic Electronic Components	191	±1%	0.1	0603	±100	-55 to 155	Automotive AEC-Q200	ROHS3	1
RMCF0603FT191K	Stackpole Electronics Inc	191	±1%	0.1	0603	±100	-55 to 155	Automotive AEC-Q200	ROHS3	1

Engineering Selection Recommendations

For General-Purpose Applications: The CR0603-FX-1913ELF (Bourns Inc.) and RC0603FR-07191KL (YAGEO) are direct functional equivalents to the RC1608F1913CS. Both parts maintain identical electrical specifications, mechanical dimensions, and compliance certifications. Selection between these options is based on supplier availability, lead time, and procurement cost.

For Automotive and Enhanced Reliability Applications: The AC0603FR-07191KL (YAGEO), CRCW0603191KFKEA (Vishay Dale), ERJ-3EKF1913V (Panasonic Electronic Components), and RMCF0603FT191K (Stackpole Electronics Inc) are qualified to AEC-Q200 automotive standards. These parts are suitable for applications requiring automotive-grade component certification while maintaining all core electrical and mechanical specifications of the RC1608F1913CS. Selection among these automotive-qualified options depends on specific supply chain requirements and application qualification protocols.

Packaging Consideration: The RC1608F1913CS is supplied in Cut Tape (CT) packaging. Most substitute parts are available in Tape & Reel (TR) format, which is standard for high-volume manufacturing. Verify packaging format compatibility with assembly equipment and procurement requirements before final part selection.

Frequently Asked Questions (FAQ)

Q: Can I substitute the RC1608F1913CS with any of the listed equivalent parts without circuit redesign?

A: Yes. All listed substitute parts maintain identical electrical specifications (191 kOhms ±1%, 0.1W power rating, ±100ppm/°C temperature coefficient, -55°C to 155°C operating range) and mechanical compatibility (0603 package, 2 terminations). Direct substitution is permissible from an electrical and mechanical standpoint. However, verify packaging format (Cut Tape vs. Tape & Reel) compatibility with your assembly process.

Q: What is the difference between the standard RC1608F1913CS and the automotive-qualified alternatives?

A: The RC1608F1913CS is a general-purpose thick film resistor with moisture resistance. The automotive-qualified alternatives (AC0603FR-07191KL, CRCW0603191KFKEA, ERJ-3EKF1913V, RMCF0603FT191K) carry AEC-Q200 certification, indicating compliance with automotive industry reliability and qualification standards. All other electrical and mechanical parameters remain identical. Use automotive-qualified parts only when application requirements or procurement specifications mandate AEC-Q200 compliance.

Q: Are there any physical dimension differences between substitute parts?

A: The CR0603-FX-1913ELF, RC0603FR-07191KL, and ERJ-3EKF1913V maintain the same physical dimensions as the RC1608F1913CS (0.063" L x 0.031" W, 1.60mm x 0.80mm, height 0.022" max). The CRCW0603191KFKEA and RMCF0603FT191K have minor dimensional variations (length 0.061", height 0.020" max for CRCW; length 0.055", height 0.022" max for RMCF). These variations remain within 0603 package class tolerances and do not affect PCB layout or assembly compatibility.

Q: What packaging formats are available for substitute parts?

A: The RC1608F1913CS is supplied in Cut Tape (CT) format. All listed substitute parts are available in Tape & Reel (TR) format, which is standard for automated assembly processes. Confirm packaging compatibility with your manufacturing equipment and supply chain requirements before procurement.

Q: Are all substitute parts ROHS3 compliant?

A: Yes. All listed substitute parts carry ROHS3 compliance certification, matching the environmental compliance status of the RC1608F1913CS. All parts also maintain MSL 1 (Unlimited) moisture sensitivity level rating.

Q: Which substitute part should I select for cost optimization?

A: Cost optimization depends on current market availability and supplier pricing. The CR0603-FX-1913ELF (Bourns) and RC0603FR-07191KL (YAGEO) are direct equivalents without automotive certification and typically represent the most cost-effective options. For applications not requiring AEC-Q200 qualification, these parts provide identical functionality at potentially lower cost. Consult current supplier quotations for specific pricing.

Q: Can I mix different substitute parts within the same production batch?

A: Yes. All substitute parts are electrically and mechanically equivalent. Mixing parts from different manufacturers within the same circuit or production batch does not affect circuit performance, provided all parts meet the specified 191 kOhms ±1% tolerance and 0.1W power rating. However, verify that your quality assurance and traceability procedures accommodate multi-source component procurement.

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