RC1608F2743CS Equivalent & Substitute Parts Reference

Part Overview

The RC1608F2743CS is a 274 kOhms ±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 2,120 units currently in stock. The part is ROHS3 compliant and features moisture-resistant construction suitable for general industrial and consumer applications. Equivalent and substitute parts are identified based on matching electrical specifications, mechanical dimensions, and environmental compliance ratings to ensure direct circuit board compatibility.

Key Parameters

Parameter	Specification
Resistance Value	274 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 ~ 155°C
Moisture Sensitivity Level (MSL)	1 (Unlimited)
RoHS Status	ROHS3 Compliant
Number of Terminations	2

Substitute Part Grouping Explanation

Substitute parts for the RC1608F2743CS are classified into three categories based on substitution relationship type and product availability status:

Direct Manufacturer Substitutes maintain identical electrical and mechanical specifications with alternative packaging formats. These parts are sourced from different manufacturers but satisfy all core functional requirements:

CR0603-FX-2743ELF (Bourns Inc.) - Tape & Reel packaging
RC0603FR-07274KL (YAGEO) - Tape & Reel packaging

Upgrade Substitute represents a part with equivalent specifications but discontinued distribution status:

MCR03ERTF2743 (Rohm Semiconductor) - Cut Tape & Digi-Reel packaging, discontinued at DiGi Electronics

Similar Substitutes provide equivalent electrical performance with additional automotive-grade certifications (AEC-Q200), suitable for applications requiring enhanced reliability:

AC0603FR-07274KL (YAGEO) - Automotive AEC-Q200 rated
CRCW0603274KFKEA (Vishay Dale) - Automotive AEC-Q200 rated
ERJ-3EKF2743V (Panasonic Electronic Components) - Automotive AEC-Q200 rated
RMCF0603FT274K (Stackpole Electronics Inc) - Automotive AEC-Q200 rated

Substitution eligibility is determined by the following key parameters: resistance value (274 kOhms), tolerance (±1%), power rating (0.1W), package format (0603), composition (thick film), temperature coefficient (±100ppm/°C), operating temperature range (-55°C ~ 155°C), and MSL rating (1).

Parameter Comparison

Part Number	Manufacturer	Resistance	Tolerance	Power (W)	Package	Temp Coeff	Op Temp Range	MSL	RoHS	Packaging Type	Product Status	Inventory
RC1608F2743CS	Samsung Electro-Mechanics	274 kΩ	±1%	0.1	0603	±100ppm/°C	-55 ~ 155°C	1	ROHS3	Cut Tape (CT)	Active	2,120
CR0603-FX-2743ELF	Bourns Inc.	274 kΩ	±1%	0.1	0603	±100ppm/°C	-55 ~ 155°C	1	ROHS3	Tape & Reel (TR)	Active	25,284
RC0603FR-07274KL	YAGEO	274 kΩ	±1%	0.1	0603	±100ppm/°C	-55 ~ 155°C	1	ROHS3	Tape & Reel (TR)	Active	234,384
MCR03ERTF2743	Rohm Semiconductor	274 kΩ	±1%	0.1	0603	±100ppm/°C	-55 ~ 155°C	1	ROHS3	Cut Tape (CT) & Digi-Reel	Discontinued	998
AC0603FR-07274KL	YAGEO	274 kΩ	±1%	0.1	0603	±100ppm/°C	-55 ~ 155°C	1	ROHS3	Tape & Reel (TR)	Active	5,972
CRCW0603274KFKEA	Vishay Dale	274 kΩ	±1%	0.1	0603	±100ppm/°C	-55 ~ 155°C	1	ROHS3	Tape & Reel (TR)	Active	16,021
ERJ-3EKF2743V	Panasonic Electronic Components	274 kΩ	±1%	0.1	0603	±100ppm/°C	-55 ~ 155°C	1	ROHS3	Tape & Reel (TR)	Active	142,223
RMCF0603FT274K	Stackpole Electronics Inc	274 kΩ	±1%	0.1	0603	±100ppm/°C	-55 ~ 155°C	1	ROHS3	Tape & Reel (TR)	Active	5,200

Engineering Selection Recommendations

For Standard Industrial Applications: RC0603FR-07274KL (YAGEO) is the primary recommended substitute. This part maintains full electrical and mechanical equivalence to the RC1608F2743CS while offering significantly higher inventory availability (234,384 units). Both parts are Active status with ROHS3 compliance and identical MSL ratings. The Tape & Reel packaging format is standard for automated assembly processes.

For Automotive and High-Reliability Applications: AC0603FR-07274KL, CRCW0603274KFKEA, ERJ-3EKF2743V, or RMCF0603FT274K are suitable alternatives. These parts carry AEC-Q200 automotive qualification in addition to standard specifications, providing enhanced reliability documentation for applications requiring automotive-grade components. All four options maintain Active product status and full ROHS3 compliance.

For Cut Tape Packaging Requirement: CR0603-FX-2743ELF (Bourns Inc.) provides direct substitution with Cut Tape packaging similar to the original RC1608F2743CS, while maintaining all electrical specifications and Active product status.

For Discontinued Part Replacement: MCR03ERTF2743 (Rohm Semiconductor) is discontinued at DiGi Electronics and should not be selected for new designs or long-term supply chain planning. Existing inventory is limited to 998 units.

All substitute parts listed are ROHS3 compliant, feature MSL rating of 1 (Unlimited), and operate across the identical temperature range (-55°C ~ 155°C) with matching tolerance and temperature coefficient specifications.

Frequently Asked Questions (FAQ)

Q: Can RC0603FR-07274KL replace RC1608F2743CS directly on the circuit board?

A: Yes. Both parts share identical electrical specifications (274 kΩ ±1%, 0.1W), package format (0603/1608 Metric), composition (thick film), temperature coefficient (±100ppm/°C), and operating temperature range (-55°C ~ 155°C). The primary difference is packaging format (Tape & Reel versus Cut Tape), which does not affect circuit board performance or footprint compatibility.

Q: What is the difference between standard and automotive-grade substitutes?

A: Automotive-grade substitutes (AC0603FR-07274KL, CRCW0603274KFKEA, ERJ-3EKF2743V, RMCF0603FT274K) carry AEC-Q200 certification, indicating compliance with automotive reliability and qualification standards. These parts are suitable for applications requiring enhanced documentation and traceability. Standard substitutes (CR0603-FX-2743ELF, RC0603FR-07274KL) meet identical electrical and mechanical specifications but lack automotive certification.

Q: Why is MCR03ERTF2743 marked as discontinued?

A: MCR03ERTF2743 is discontinued at DiGi Electronics distribution. While the part maintains equivalent electrical and mechanical specifications to RC1608F2743CS, limited inventory (998 units) and discontinued status make it unsuitable for new designs or applications requiring long-term component availability.

Q: Does packaging format (Cut Tape vs. Tape & Reel) affect circuit board assembly?

A: Packaging format affects manufacturing and handling processes but not circuit board performance or electrical characteristics. Cut Tape packaging is suitable for manual assembly or small-volume production. Tape & Reel packaging is standard for automated pick-and-place assembly systems. Both formats contain identical components with identical specifications.

Q: Are all substitute parts ROHS3 compliant?

A: Yes. All substitute parts listed (CR0603-FX-2743ELF, RC0603FR-07274KL, MCR03ERTF2743, AC0603FR-07274KL, CRCW0603274KFKEA, ERJ-3EKF2743V, RMCF0603FT274K) are ROHS3 compliant with MSL rating of 1 (Unlimited), matching the original RC1608F2743CS specifications.

Q: Which substitute offers the best inventory availability?

A: RC0603FR-07274KL (YAGEO) provides the highest inventory availability with 234,384 units in stock, followed by ERJ-3EKF2743V (Panasonic) with 142,223 units. Both parts are Active status with full electrical and mechanical equivalence to the original part.

Q: Can I use automotive-grade parts in non-automotive applications?

A: Yes. Automotive-grade substitutes (AC0603FR-07274KL, CRCW0603274KFKEA, ERJ-3EKF2743V, RMCF0603FT274K) meet or exceed all specifications required for standard industrial applications. AEC-Q200 certification represents additional qualification and does not restrict use in non-automotive circuits.

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