RCS3216J243CS Equivalent & Substitute Parts Reference

Part Overview

The RCS3216J243CS is a 24 kOhms ±5% 0.25W thick film chip resistor in 1206 (3216 Metric) package manufactured by Samsung Electro-Mechanics. This component is classified as Active product status with anti-sulfur and moisture-resistant characteristics. The part is ROHS3 compliant with unlimited moisture sensitivity level (MSL 1).

Substitute parts are identified when equivalent electrical specifications (resistance value, tolerance, power rating, package) and mechanical dimensions align with the original component, enabling direct replacement in circuit applications without functional degradation.

Key Parameters

Parameter	Value
Resistance	24 kOhms
Tolerance	±5%
Power Rating	0.25W (1/4W)
Package / Case	1206 (3216 Metric)
Composition	Thick Film
Temperature Coefficient	±100ppm/°C
Operating Temperature Range	-55°C ~ 155°C
RoHS Status	ROHS3 Compliant
Moisture Sensitivity Level	1 (Unlimited)

Substitute Part Grouping Explanation

Substitution eligibility is determined by the following criteria:

Primary Matching Parameters:

Resistance value: 24 kOhms (exact match required)
Package / Case: 1206 (3216 Metric) (exact match required)
Power rating: 0.25W minimum (equal or higher acceptable)
Composition: Thick Film
Temperature coefficient: ±100ppm/°C
Operating temperature range: -55°C ~ 155°C minimum

Tolerance Consideration: The RCS3216J243CS operates at ±5% tolerance. Substitute parts with ±1% tolerance meet or exceed this specification and are functionally compatible. Parts with ±5% tolerance provide direct equivalence.

Compliance Requirements: All substitute parts maintain ROHS3 compliance and MSL 1 rating, ensuring environmental and moisture handling compatibility.

Parameter Comparison

Manufacturer Part Number	Manufacturer	Resistance	Tolerance	Power (Watts)	Package	Temp Coeff	Operating Temp	RoHS Status	Product Status
RCS3216J243CS	Samsung Electro-Mechanics	24 kOhms	±5%	0.25W	1206	±100ppm/°C	-55°C ~ 155°C	ROHS3	Active
AC1206JR-0724KL	YAGEO	24 kOhms	±5%	0.25W	1206	±100ppm/°C	-55°C ~ 155°C	ROHS3	Active
AC1206FR-0724KL	YAGEO	24 kOhms	±1%	0.25W	1206	±100ppm/°C	-55°C ~ 155°C	ROHS3	Active
CR1206-FX-2402ELF	Bourns Inc.	24 kOhms	±1%	0.25W	1206	±100ppm/°C	-55°C ~ 155°C	ROHS3	Active
CRCW120624K0FKEA	Vishay Dale	24 kOhms	±1%	0.25W	1206	±100ppm/°C	-55°C ~ 155°C	ROHS3	Active
CRCW120624K0FKEAHP	Vishay Dale	24 kOhms	±1%	0.75W	1206	±100ppm/°C	-55°C ~ 155°C	ROHS3	Active
ERJ-8ENF2402V	Panasonic Electronic Components	24 kOhms	±1%	0.25W	1206	±100ppm/°C	-55°C ~ 155°C	ROHS3	Not For New Designs
RC1206FR-0724KL	YAGEO	24 kOhms	±1%	0.25W	1206	±100ppm/°C	-55°C ~ 155°C	ROHS3	Active
RC1206JR-0724KL	YAGEO	24 kOhms	±5%	0.25W	1206	±100ppm/°C	-55°C ~ 155°C	ROHS3	Active

Engineering Selection Recommendations

Direct Equivalents (±5% Tolerance, 0.25W):

AC1206JR-0724KL (YAGEO): Active status, automotive AEC-Q200 rated, identical tolerance and power specifications
RC1206JR-0724KL (YAGEO): Active status, moisture resistant, identical electrical specifications

Enhanced Tolerance Substitutes (±1% Tolerance, 0.25W):

AC1206FR-0724KL (YAGEO): Active status, automotive AEC-Q200 rated, tighter tolerance
RC1206FR-0724KL (YAGEO): Active status, highest inventory availability (140,347 pcs), tighter tolerance
CR1206-FX-2402ELF (Bourns Inc.): Active status, moisture resistant, tighter tolerance
CRCW120624K0FKEA (Vishay Dale): Active status, automotive AEC-Q200 rated, tighter tolerance

Higher Power Rating Substitute (±1% Tolerance, 0.75W):

CRCW120624K0FKEAHP (Vishay Dale): Active status, automotive AEC-Q200 rated, pulse withstanding capability, suitable for applications requiring higher power dissipation margin

Legacy Component (Not Recommended for New Designs):

ERJ-8ENF2402V (Panasonic Electronic Components): Product status "Not For New Designs" indicates obsolescence trajectory; use only for maintenance or repair of existing assemblies

All recommended substitutes maintain ROHS3 compliance and MSL 1 rating, ensuring compatibility with existing supply chain and assembly processes.

Frequently Asked Questions (FAQ)

Q: Can AC1206FR-0724KL replace RCS3216J243CS directly?

A: Yes. AC1206FR-0724KL provides direct substitution with improved tolerance (±1% versus ±5%). Both components share identical 24 kOhms resistance, 0.25W power rating, 1206 package, and operating temperature range (-55°C ~ 155°C). The tighter tolerance of AC1206FR-0724KL meets or exceeds the original specification.

Q: What is the difference between RC1206JR-0724KL and RC1206FR-0724KL?

A: Both are YAGEO RC_L series 24 kOhms 1206 resistors with identical package and operating temperature range. RC1206JR-0724KL carries ±5% tolerance (matching RCS3216J243CS), while RC1206FR-0724KL carries ±1% tolerance. Selection depends on circuit tolerance requirements.

Q: Why is CRCW120624K0FKEAHP listed as a substitute if it has 0.75W power rating?

A: CRCW120624K0FKEAHP is functionally compatible because it exceeds the 0.25W power requirement. The higher 0.75W rating provides additional thermal margin in applications with power dissipation headroom. Physical dimensions remain within 1206 package specifications. Use this part only when higher power capability is beneficial or required.

Q: Are automotive-rated parts (AEC-Q200) compatible with non-automotive applications?

A: Yes. Automotive AEC-Q200 rated parts (AC1206FR-0724KL, AC1206JR-0724KL, CRCW120624K0FKEA, CRCW120624K0FKEAHP, ERJ-8ENF2402V) meet or exceed specifications for general industrial and consumer applications. AEC-Q200 certification indicates enhanced reliability testing and is not restrictive for non-automotive use.

Q: Should ERJ-8ENF2402V be used in new designs?

A: No. ERJ-8ENF2402V carries "Not For New Designs" product status, indicating Panasonic has designated this part for obsolescence. Use this part only for maintenance, repair, or rework of existing assemblies containing this component. For new designs, select from Active status alternatives: RC1206FR-0724KL, AC1206FR-0724KL, CR1206-FX-2402ELF, or CRCW120624K0FKEA.

Q: What packaging formats are available for these substitutes?

A: RCS3216J243CS is supplied in standard packaging. Substitute parts are available in Tape & Reel (TR) format for automated assembly, with RC1206JR-0724KL also available in Cut Tape (CT) & Digi-Reel® format for manual or mixed-volume applications. Verify packaging requirements with procurement specifications before component selection.

Q: Do all substitutes maintain the same physical dimensions?

A: All substitutes use 1206 (3216 Metric) package with minor dimensional variations within tolerance. Length ranges from 0.122" to 0.126" (3.10mm to 3.20mm), width is 0.063" (1.60mm), and height ranges from 0.024" to 0.030" (0.60mm to 0.75mm). These variations are within standard PCB pad tolerances and do not affect assembly compatibility.

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