RC3216F24R9CS Equivalent & Substitute Parts Reference

Part Overview

The RC3216F24R9CS is a 24.9 Ohm ±1% 0.25W (1/4W) chip resistor manufactured by Samsung Electro-Mechanics in 1206 (3216 Metric) package format. This thick film, moisture-resistant component operates across -55°C to 155°C and is ROHS3 compliant with MSL 1 rating. The part is currently in active production status with 758 units in stock. Equivalent and substitute parts are identified based on matching electrical specifications, mechanical dimensions, and environmental ratings to ensure direct functional interchangeability in circuit applications.

Key Parameters

Parameter	Value
Resistance	24.9 Ohms
Tolerance	±1%
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
Moisture Sensitivity Level	1 (Unlimited)
RoHS Status	ROHS3 Compliant

Substitute Part Grouping Explanation

Substitute parts for the RC3216F24R9CS are classified into two categories based on electrical and mechanical compatibility:

Direct Equivalents (Identical Specifications): Parts matching all critical parameters: 24.9 Ohms resistance, ±1% tolerance, 0.25W power rating, 1206 package, ±100ppm/°C temperature coefficient, -55°C to 155°C operating range, ROHS3 compliance, and MSL 1 rating. These parts are functionally interchangeable without circuit redesign.

Similar Parts (Enhanced or Alternative Features): Parts meeting core electrical specifications (24.9 Ohms, ±1%, 1206 package, temperature range, compliance) but with variations in power rating, automotive qualification, or pulse withstanding capability. Selection depends on application requirements beyond base specifications.

Key Parameters Determining Substitution:

Resistance value: 24.9 Ohms (exact match required)
Tolerance: ±1% (exact match required)
Package: 1206 (3216 Metric) (exact match required)
Temperature Coefficient: ±100ppm/°C (exact match required)
Operating Temperature: -55°C ~ 155°C (exact match required)
RoHS/REACH Compliance: ROHS3 Compliant, REACH Unaffected (exact match required)
Moisture Sensitivity: MSL 1 (exact match required)

Parameter Comparison

Manufacturer Part Number	Manufacturer	Resistance	Tolerance	Power (W)	Package	Temp Coeff	Op. Temp Range	Features	Product Status	RoHS	MSL
RC3216F24R9CS	Samsung Electro-Mechanics	24.9 Ω	±1%	0.25	1206	±100ppm/°C	-55°C ~ 155°C	Moisture Resistant	Active	ROHS3	1
CR1206-FX-24R9ELF	Bourns Inc.	24.9 Ω	±1%	0.25	1206	±100ppm/°C	-55°C ~ 155°C	Moisture Resistant	Active	ROHS3	1
RC1206FR-0724R9L	YAGEO	24.9 Ω	±1%	0.25	1206	±100ppm/°C	-55°C ~ 155°C	Moisture Resistant	Active	ROHS3	1
CRCW120624R9FKEA	Vishay Dale	24.9 Ω	±1%	0.25	1206	±100ppm/°C	-55°C ~ 155°C	Automotive AEC-Q200	Active	ROHS3	1
CRCW120624R9FKEAHP	Vishay Dale	24.9 Ω	±1%	0.75	1206	±100ppm/°C	-55°C ~ 155°C	Automotive AEC-Q200, Pulse Withstanding	Active	ROHS3	1
ERJ-8ENF24R9V	Panasonic Electronic Components	24.9 Ω	±1%	0.25	1206	±100ppm/°C	-55°C ~ 155°C	Automotive AEC-Q200	Not For New Designs	ROHS3	1
RMCF1206FT24R9	Stackpole Electronics Inc	24.9 Ω	±1%	0.25	1206	±100ppm/°C	-55°C ~ 155°C	Automotive AEC-Q200	Active	ROHS3	1

Engineering Selection Recommendations

For Direct Replacement (Identical Specifications):

CR1206-FX-24R9ELF (Bourns Inc.) and RC1206FR-0724R9L (YAGEO) are direct functional equivalents to RC3216F24R9CS. Both parts maintain identical electrical parameters, package dimensions, temperature characteristics, and compliance certifications. Both manufacturers are in active production status, ensuring long-term supply availability. Selection between these options depends on procurement lead times and inventory availability.

For Automotive Applications:

CRCW120624R9FKEA (Vishay Dale) and RMCF1206FT24R9 (Stackpole Electronics Inc) are suitable for applications requiring AEC-Q200 automotive qualification while maintaining identical base electrical specifications. Both parts are in active production. CRCW120624R9FKEA is available in Cut Tape and Digi-Reel packaging, while RMCF1206FT24R9 is supplied in Tape & Reel format.

For Enhanced Power Handling:

CRCW120624R9FKEAHP (Vishay Dale) provides 0.75W (3/4W) power rating with pulse withstanding capability in the same 1206 package. This part is suitable for applications requiring higher transient energy absorption while maintaining automotive AEC-Q200 qualification. This part is in active production status.

Legacy Consideration:

ERJ-8ENF24R9V (Panasonic Electronic Components) meets all electrical and compliance requirements but carries "Not For New Designs" status. This part should be avoided for new circuit development; use only for legacy system maintenance or repair applications where supply continuity is critical.

Frequently Asked Questions (FAQ)

Q: Can CR1206-FX-24R9ELF replace RC3216F24R9CS directly in production?

A: Yes. CR1206-FX-24R9ELF is a direct equivalent with identical resistance (24.9 Ohms), tolerance (±1%), power rating (0.25W), package (1206), temperature coefficient (±100ppm/°C), operating range (-55°C to 155°C), and compliance certifications (ROHS3, MSL 1). No circuit redesign or testing is required for functional substitution.

Q: What is the difference between CRCW120624R9FKEA and CRCW120624R9FKEAHP?

A: The primary difference is power rating. CRCW120624R9FKEA is rated 0.25W (1/4W), while CRCW120624R9FKEAHP is rated 0.75W (3/4W) with pulse withstanding capability. Both maintain identical resistance, tolerance, package, and temperature specifications. CRCW120624R9FKEAHP is suitable for applications with higher transient energy requirements.

Q: Why is ERJ-8ENF24R9V marked "Not For New Designs"?

A: ERJ-8ENF24R9V carries "Not For New Designs" status from Panasonic, indicating the manufacturer is phasing out this product line. While the part meets all electrical and compliance specifications, it should not be selected for new circuit development. Use CR1206-FX-24R9ELF, RC1206FR-0724R9L, or RMCF1206FT24R9 for new designs.

Q: Are all substitute parts available in the same packaging formats?

A: No. CR1206-FX-24R9ELF, RC1206FR-0724R9L, ERJ-8ENF24R9V, RMCF1206FT24R9, and CRCW120624R9FKEAHP are supplied in Tape & Reel (TR) format. CRCW120624R9FKEA is available in Cut Tape (CT) and Digi-Reel format. Verify packaging compatibility with your assembly process before selection.

Q: Do all substitute parts meet ROHS3 and MSL 1 requirements?

A: Yes. All listed substitute parts are ROHS3 compliant and carry MSL 1 (Unlimited) moisture sensitivity rating, matching the RC3216F24R9CS specifications. All parts are also REACH Unaffected.

Q: Can CRCW120624R9FKEAHP be used in place of RC3216F24R9CS in any circuit?

A: CRCW120624R9FKEAHP can be used as a direct replacement from an electrical standpoint (24.9 Ohms, ±1%, 1206 package, temperature range). However, the higher power rating (0.75W vs 0.25W) and pulse withstanding feature are additional capabilities. Verify that the circuit design does not depend on the specific 0.25W power rating or thermal characteristics of the original part.

Q: What inventory levels are available for each substitute part?

A: CR1206-FX-24R9ELF: 21,418 units; RC1206FR-0724R9L: 20,296 units; CRCW120624R9FKEA: 26,957 units; CRCW120624R9FKEAHP: 28,158 units; ERJ-8ENF24R9V: 73,626 units; RMCF1206FT24R9: 39,308 units. Inventory levels support high-volume production requirements across all substitute options.

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