RC1608F2371CS Equivalent & Substitute Parts Reference

Part Overview

The RC1608F2371CS is a 2.37 kOhms ±1% thick film chip resistor manufactured by Samsung Electro-Mechanics in 0603 (1608 Metric) package format. This component operates at 0.1W (1/10W) power rating with moisture-resistant construction and is rated for operating temperatures from -55°C to 155°C. The part maintains Active product status with 1,038 pieces currently in stock. Equivalent and substitute parts are identified based on matching electrical specifications, mechanical dimensions, packaging compatibility, and regulatory compliance to support component procurement flexibility and supply chain continuity.

Key Parameters

Parameter	Value
Resistance	2.37 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 (MSL)	1 (Unlimited)
RoHS Status	ROHS3 Compliant
Number of Terminations	2

Substitute Part Grouping Explanation

Substitution eligibility for the RC1608F2371CS is determined by strict equivalence across the following critical parameters:

Electrical Specifications: Resistance value (2.37 kOhms), tolerance (±1%), and power rating (0.1W) must match exactly. Temperature coefficient (±100ppm/°C) and operating temperature range (-55°C to 155°C) establish thermal performance boundaries.

Mechanical Compatibility: Package designation (0603 / 1608 Metric), physical dimensions (0.063" L x 0.031" W / 1.60mm x 0.80mm), and seated height (0.022" / 0.55mm maximum) ensure PCB footprint compatibility and assembly process alignment.

Material & Construction: Thick film composition and moisture-resistant features maintain functional equivalence in environmental conditions.

Regulatory Compliance: ROHS3 compliance, MSL Level 1 rating, and REACH status determine suitability for regulated applications.

Packaging Format: Tape & Reel (TR) or Cut Tape (CT) & Digi-Reel® packaging affects supply chain handling and automated assembly compatibility.

All identified substitutes meet these core criteria. Additional qualifications such as Automotive AEC-Q200 certification represent enhanced specifications beyond the base requirement and are noted separately.

Parameter Comparison

Manufacturer Part Number	Manufacturer	Resistance	Tolerance	Power (W)	Package	Temp Coeff (ppm/°C)	Op Temp Range (°C)	Size L x W (mm)	Height Max (mm)	Packaging	RoHS Status	MSL	AEC-Q200	Stock (Pcs)
RC1608F2371CS	Samsung Electro-Mechanics	2.37 kΩ	±1%	0.1	0603	±100	-55 to 155	1.60 x 0.80	0.55	Tape & Reel	ROHS3	1	No	1,038
CR0603-FX-2371ELF	Bourns Inc.	2.37 kΩ	±1%	0.1	0603	±100	-55 to 155	1.60 x 0.80	0.55	Tape & Reel	ROHS3	1	No	63,580
RC0603FR-072K37L	YAGEO	2.37 kΩ	±1%	0.1	0603	±100	-55 to 155	1.60 x 0.80	0.55	Cut Tape & Digi-Reel	ROHS3	1	No	156,299
AC0603FR-072K37L	YAGEO	2.37 kΩ	±1%	0.1	0603	±100	-55 to 155	1.60 x 0.80	0.55	Tape & Reel	ROHS3	1	Yes	8,888
CRCW06032K37FKEA	Vishay Dale	2.37 kΩ	±1%	0.1	0603	±100	-55 to 155	1.55 x 0.85	0.50	Cut Tape & Digi-Reel	ROHS3	1	Yes	896
CRCW06032K37FKTA	Vishay Dale	2.37 kΩ	±1%	0.1	0603	±100	-55 to 155	1.60 x 0.85	0.50	Tape & Reel	RoHS Non-compliant	1	Yes	5,495
ERJ-3EKF2371V	Panasonic Electronic Components	2.37 kΩ	±1%	0.1	0603	±100	-55 to 155	1.60 x 0.80	0.55	Tape & Reel	ROHS3	1	Yes	101,571
RMCF0603FT2K37	Stackpole Electronics Inc	2.37 kΩ	±1%	0.1	0603	±100	-55 to 155	1.55 x 0.80	0.55	Tape & Reel	ROHS3	1	Yes	106,994

Engineering Selection Recommendations

Direct Equivalents (No Compliance Restrictions):

CR0603-FX-2371ELF (Bourns Inc.) and RC0603FR-072K37L (YAGEO) are direct functional equivalents with identical electrical and mechanical specifications. Both maintain ROHS3 compliance and MSL Level 1 rating. RC0603FR-072K37L offers significantly higher stock availability (156,299 units) and supports both Cut Tape and Digi-Reel packaging formats for flexible procurement.

Automotive-Qualified Alternatives:

AC0603FR-072K37L (YAGEO), ERJ-3EKF2371V (Panasonic), and RMCF0603FT2K37 (Stackpole) carry AEC-Q200 automotive qualification in addition to base specifications. These parts are suitable for applications requiring automotive-grade reliability. ERJ-3EKF2371V and RMCF0603FT2K37 provide high stock levels (101,571 and 106,994 units respectively) with ROHS3 compliance maintained.

Dimensional Variance Consideration:

CRCW06032K37FKEA (Vishay Dale) exhibits minor dimensional variation (1.55mm x 0.85mm vs. 1.60mm x 0.80mm) and reduced seated height (0.50mm vs. 0.55mm). These differences remain within 0603 package tolerance but require PCB layout verification for high-density applications. This part carries AEC-Q200 qualification and ROHS3 compliance.

Regulatory Compliance Alert:

CRCW06032K37FKTA (Vishay Dale) is marked RoHS non-compliant and REACH Affected. Selection of this part is restricted to applications without RoHS or REACH regulatory requirements. This part is not recommended for new designs targeting regulated markets.

Frequently Asked Questions (FAQ)

Q: Can RC0603FR-072K37L replace RC1608F2371CS directly in production?

A: Yes. RC0603FR-072K37L matches all critical electrical parameters (2.37 kΩ, ±1%, 0.1W), thermal specifications (±100ppm/°C, -55°C to 155°C), and mechanical dimensions (0603 package, 1.60mm x 0.80mm, 0.55mm height). Both are ROHS3 compliant with MSL Level 1. Packaging format differs (Cut Tape & Digi-Reel vs. Tape & Reel), which affects supply chain handling but not functional compatibility.

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

A: AEC-Q200 qualification (AC0603FR-072K37L, ERJ-3EKF2371V, RMCF0603FT2K37) indicates compliance with automotive reliability standards including enhanced testing and quality assurance. These parts are suitable for automotive and mission-critical applications. Non-qualified parts (RC1608F2371CS, CR0603-FX-2371ELF, RC0603FR-072K37L) meet standard industrial specifications and are appropriate for general-purpose applications.

Q: Are there dimensional differences between substitute parts?

A: Most substitutes maintain 1.60mm x 0.80mm dimensions with 0.55mm maximum height. CRCW06032K37FKEA and RMCF0603FT2K37 show minor variations: CRCW06032K37FKEA is 1.55mm x 0.85mm with 0.50mm height; RMCF0603FT2K37 is 1.55mm x 0.80mm with 0.55mm height. These variations remain within 0603 package specification but require verification for high-density PCB layouts with tight component spacing.

Q: Which substitute offers the best stock availability?

A: RC0603FR-072K37L (YAGEO) provides the highest stock level at 156,299 units. RMCF0603FT2K37 (Stackpole) and ERJ-3EKF2371V (Panasonic) offer 106,994 and 101,571 units respectively, both with AEC-Q200 qualification. CR0603-FX-2371ELF (Bourns) maintains 63,580 units.

Q: Is CRCW06032K37FKTA suitable for new product designs?

A: CRCW06032K37FKTA is not recommended for new designs. This part is marked RoHS non-compliant and REACH Affected, restricting use to legacy applications or markets without regulatory requirements. ROHS3-compliant alternatives are available with equivalent or superior specifications.

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

A: Yes. AEC-Q200 qualified parts (AC0603FR-072K37L, ERJ-3EKF2371V, RMCF0603FT2K37) exceed standard industrial specifications and are fully compatible with non-automotive applications. Their enhanced reliability characteristics provide additional margin without functional or compatibility issues.

Q: What packaging format should I specify for automated assembly?

A: Tape & Reel (TR) packaging is standard for automated pick-and-place assembly. CR0603-FX-2371ELF, AC0603FR-072K37L, CRCW06032K37FKTA, ERJ-3EKF2371V, and RMCF0603FT2K37 are available in Tape & Reel format. RC0603FR-072K37L offers Cut Tape & Digi-Reel format, which provides flexibility for mixed manual and automated assembly workflows.

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