RC3216F243CS Equivalent & Substitute Parts Reference

Part Overview

The RC3216F243CS is a 24 kOhms ±1% 0.25W thick film chip resistor manufactured by Samsung Electro-Mechanics in 1206 (3216 Metric) package format. This component is classified as Active product status with moisture-resistant construction and operates across the temperature range of -55°C to 155°C. The part is ROHS3 compliant and carries MSL Level 1 (Unlimited) moisture sensitivity rating.

Equivalent and substitute parts are necessary when the primary part experiences supply constraints, inventory limitations, or when design requirements necessitate alternative sourcing from qualified manufacturers. This reference provides direct substitutes and similar alternatives that maintain electrical and mechanical compatibility within the specified parameter tolerances.

Key Parameters

Parameter	Value	Specification Basis
Resistance Value	24 kOhms	Core electrical specification
Tolerance	±1%	Precision requirement
Power Rating	0.25W (1/4W)	Thermal dissipation capacity
Package / Case	1206 (3216 Metric)	Physical form factor
Composition	Thick Film	Manufacturing technology
Temperature Coefficient	±100ppm/°C	Stability specification
Operating Temperature Range	-55°C to 155°C	Environmental limits
RoHS Status	ROHS3 Compliant	Regulatory compliance
Moisture Sensitivity Level	MSL 1 (Unlimited)	Handling and storage
Terminations	2	Connection points

Substitute Part Grouping Explanation

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

Mandatory Matching Parameters:

Resistance Value: 24 kOhms (exact match required)
Tolerance: ±1% (exact match required)
Package / Case: 1206 (3216 Metric) (exact match required)
Composition: Thick Film (exact match required)
Temperature Coefficient: ±100ppm/°C (exact match required)
Operating Temperature Range: -55°C to 155°C (exact match required)
Terminations: 2 (exact match required)

Allowable Variation Parameters:

Power Rating: 0.25W minimum (higher ratings acceptable for increased thermal margin)
Physical Dimensions: Minor variations within 1206 package specification tolerance
Height - Seated: Variations acceptable within standard 1206 package limits
Manufacturer: Different qualified manufacturers acceptable
Packaging Format: Tape & Reel (TR) or Cut Tape (CT) formats interchangeable
Features: Additional features (Automotive AEC-Q200, Moisture Resistant, Pulse Withstanding, High Voltage) acceptable as enhancements

Substitution Categories:

Direct Substitutes maintain all electrical and mechanical parameters with identical or enhanced specifications:

CR1206-FX-2402ELF (Bourns Inc.)
RC1206FR-0724KL (YAGEO)
RMCF1206FT24K0 (Stackpole Electronics Inc)

Similar Substitutes include additional qualified features such as automotive certification (AEC-Q200) or enhanced moisture resistance:

AC1206FR-0724KL (YAGEO)
CRCW120624K0FKEA (Vishay Dale)
KTR18EZPF2402 (Rohm Semiconductor)

Enhanced Substitutes provide higher power ratings or specialized performance characteristics:

CRCW120624K0FKEAHP (Vishay Dale) - 0.75W rating with pulse withstanding capability

Discontinued Alternatives remain electrically compatible but are no longer in active production:

ERJ-8ENF2402V (Panasonic Electronic Components) - Product status: Not For New Designs
MCR18ERTF2402 (Rohm Semiconductor) - Product status: Discontinued at DiGi Electronics

Parameter Comparison

Manufacturer Part Number	Manufacturer	Resistance	Tolerance	Power (Watts)	Package	Temp Coeff	Operating Temp	Product Status	Features	RoHS	MSL
RC3216F243CS	Samsung Electro-Mechanics	24 kOhms	±1%	0.25W	1206	±100ppm/°C	-55°C ~ 155°C	Active	Moisture Resistant	ROHS3	1
CR1206-FX-2402ELF	Bourns Inc.	24 kOhms	±1%	0.25W	1206	±100ppm/°C	-55°C ~ 155°C	Active	Moisture Resistant	ROHS3	1
ERJ-8ENF2402V	Panasonic Electronic Components	24 kOhms	±1%	0.25W	1206	±100ppm/°C	-55°C ~ 155°C	Not For New Designs	Automotive AEC-Q200	ROHS3	1
RC1206FR-0724KL	YAGEO	24 kOhms	±1%	0.25W	1206	±100ppm/°C	-55°C ~ 155°C	Active	Moisture Resistant	ROHS3	1
RMCF1206FT24K0	Stackpole Electronics Inc	24 kOhms	±1%	0.25W	1206	±100ppm/°C	-55°C ~ 155°C	Active	Automotive AEC-Q200	ROHS3	1
AC1206FR-0724KL	YAGEO	24 kOhms	±1%	0.25W	1206	±100ppm/°C	-55°C ~ 155°C	Active	Automotive AEC-Q200, Moisture Resistant	ROHS3	1
CRCW120624K0FKEA	Vishay Dale	24 kOhms	±1%	0.25W	1206	±100ppm/°C	-55°C ~ 155°C	Active	Automotive AEC-Q200	ROHS3	1
CRCW120624K0FKEAHP	Vishay Dale	24 kOhms	±1%	0.75W	1206	±100ppm/°C	-55°C ~ 155°C	Active	Automotive AEC-Q200, Pulse Withstanding	ROHS3	1
KTR18EZPF2402	Rohm Semiconductor	24 kOhms	±1%	0.25W	1206	±100ppm/°C	-55°C ~ 155°C	Active	Automotive AEC-Q200, High Voltage	ROHS3	1
MCR18ERTF2402	Rohm Semiconductor	24 kOhms	±1%	0.25W	1206	±100ppm/°C	-55°C ~ 155°C	Discontinued at DiGi Electronics	Standard	ROHS3	1

Engineering Selection Recommendations

For Standard Applications (Non-Automotive):

CR1206-FX-2402ELF (Bourns Inc.) and RC1206FR-0724KL (YAGEO) are primary direct substitutes. Both maintain Active product status, identical electrical specifications, and moisture-resistant construction. CR1206-FX-2402ELF offers higher inventory availability (25,789 pcs) compared to the original part (629 pcs). RC1206FR-0724KL provides the largest available inventory (140,347 pcs) and is suitable for high-volume applications.

For Automotive Applications (AEC-Q200 Required):

RMCF1206FT24K0 (Stackpole Electronics Inc), AC1206FR-0724KL (YAGEO), CRCW120624K0FKEA (Vishay Dale), and KTR18EZPF2402 (Rohm Semiconductor) all carry AEC-Q200 automotive qualification. AC1206FR-0724KL combines both automotive certification and moisture-resistant features. CRCW120624K0FKEA provides the second-highest inventory level (25,100 pcs) among automotive-qualified options.

For Enhanced Thermal Performance:

CRCW120624K0FKEAHP (Vishay Dale) provides 0.75W power rating with pulse withstanding capability, offering increased thermal margin for applications requiring higher transient current handling. This part maintains all other electrical parameters while providing enhanced reliability in demanding environments.

For High-Voltage Applications:

KTR18EZPF2402 (Rohm Semiconductor) includes high-voltage design features alongside AEC-Q200 certification, suitable for circuits requiring enhanced voltage stress tolerance.

Parts to Avoid for New Designs:

ERJ-8ENF2402V (Panasonic Electronic Components) carries "Not For New Designs" status and should not be selected for new product development. MCR18ERTF2402 (Rohm Semiconductor) is discontinued at DiGi Electronics and represents a legacy option with limited future availability.

Frequently Asked Questions (FAQ)

Q: Can I substitute RC3216F243CS with any 24 kOhm 1% resistor in 1206 package?

A: No. Substitution requires exact matching of resistance value (24 kOhms), tolerance (±1%), package format (1206), composition (thick film), temperature coefficient (±100ppm/°C), and operating temperature range (-55°C to 155°C). Additional features such as automotive certification or enhanced power ratings are acceptable enhancements but not required for basic substitution.

Q: What is the difference between Direct Substitutes and Similar Substitutes?

A: Direct substitutes (CR1206-FX-2402ELF, RC1206FR-0724KL, RMCF1206FT24K0) maintain identical electrical and mechanical specifications to the original part. Similar substitutes (AC1206FR-0724KL, CRCW120624K0FKEA, KTR18EZPF2402) include additional qualified features such as automotive AEC-Q200 certification or enhanced moisture resistance. Both categories are electrically compatible; selection depends on application requirements and feature necessity.

Q: Can I use CRCW120624K0FKEAHP (0.75W) as a direct replacement for RC3216F243CS (0.25W)?

A: Yes. The 0.75W rating represents enhanced thermal capability and is a valid substitute. Higher power ratings provide increased thermal margin and are acceptable in applications designed for 0.25W components. The part maintains all other critical parameters including resistance, tolerance, package, and temperature specifications.

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

A: Minor variations exist within 1206 package specification tolerances. Length dimensions range from 0.120" to 0.126" (3.05mm to 3.20mm), and height-seated measurements vary from 0.024" to 0.030" (0.60mm to 0.75mm). These variations remain within standard 1206 package limits and do not affect PCB layout compatibility. Verify specific dimensions if space constraints are critical.

Q: Which substitute part has the best inventory availability?

A: RC1206FR-0724KL (YAGEO) offers the highest inventory level at 140,347 pcs. For automotive-qualified alternatives, CRCW120624K0FKEA (Vishay Dale) provides 25,100 pcs. CR1206-FX-2402ELF (Bourns Inc.) offers 25,789 pcs for standard applications.

Q: Can I use ERJ-8ENF2402V or MCR18ERTF2402 for new product designs?

A: ERJ-8ENF2402V carries "Not For New Designs" status and should not be selected for new development. MCR18ERTF2402 is discontinued at DiGi Electronics and represents a legacy component with limited future availability. Both parts remain electrically compatible but present supply chain risk for ongoing production.

Q: What does AEC-Q200 certification mean?

A: AEC-Q200 is an automotive industry qualification standard for passive components. Parts carrying this certification (RMCF1206FT24K0, AC1206FR-0724KL, CRCW120624K0FKEA, KTR18EZPF2402) meet enhanced reliability, temperature cycling, and stress testing requirements specified for automotive applications. Use AEC-Q200 qualified parts when designing for automotive or high-reliability applications.

Q: Are all substitute parts ROHS3 compliant?

A: Yes. All listed substitute parts carry ROHS3 compliance status, matching the original RC3216F243CS specification. All parts also maintain MSL Level 1 (Unlimited) moisture sensitivity rating and REACH Unaffected status.

Q: What packaging formats are available for substitute parts?

A: Most substitute parts are supplied in Tape & Reel (TR) format for automated assembly. MCR18ERTF2402 (Rohm Semiconductor) is available in Cut Tape (CT) & Digi-Reel® format. Both formats are compatible with standard component handling and assembly processes.

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