RCS3216F61R9CS Equivalent & Substitute Parts Reference

Part Overview

The RCS3216F61R9CS is a 61.9 Ohm ±1% 0.25W (1/4W) thick film chip resistor manufactured by Samsung Electro-Mechanics in the 1206 (3216 Metric) package. This component features anti-sulfur and moisture-resistant construction, operating across -55°C to 155°C with a temperature coefficient of ±100ppm/°C. The part is RoHS3 compliant and carries MSL Level 1 (unlimited moisture sensitivity). With 1060 pieces in current inventory and Active product status, this resistor serves general-purpose applications requiring reliable performance in standard environmental conditions. Equivalent and substitute parts are identified based on matching electrical specifications, mechanical dimensions, and environmental ratings to ensure direct functional interchangeability.

Key Parameters

Parameter	Value	Substitution Relevance
Resistance Value	61.9 Ohms	Critical - Must match exactly
Tolerance	±1%	Critical - Determines circuit accuracy
Power Rating	0.25W (1/4W)	Critical - Thermal performance requirement
Package Type	1206 (3216 Metric)	Critical - PCB footprint compatibility
Composition	Thick Film	Important - Electrical characteristics
Temperature Coefficient	±100ppm/°C	Important - Stability across temperature range
Operating Temperature Range	-55°C ~ 155°C	Important - Environmental compatibility
RoHS Compliance	ROHS3 Compliant	Important - Regulatory requirement
Moisture Sensitivity Level	MSL 1 (Unlimited)	Important - Storage and handling

Substitute Part Grouping Explanation

Substitute parts for the RCS3216F61R9CS are qualified based on the following criteria:

Mandatory Matching Parameters:

Resistance value: 61.9 Ohms
Tolerance: ±1%
Package: 1206 (3216 Metric)
Composition: Thick Film
Temperature coefficient: ±100ppm/°C
Operating temperature range: -55°C ~ 155°C
RoHS3 compliance
MSL Level 1

Primary Substitutes (0.25W Power Rating): These parts match all electrical and mechanical specifications of the main part and are suitable for direct replacement in standard applications:

AC1206FR-0761R9L (YAGEO) - Automotive AEC-Q200 rated
CR1206-FX-61R9ELF (Bourns Inc.) - Standard moisture resistant
CRCW120661R9FKEA (Vishay Dale) - Automotive AEC-Q200 rated
ERJ-8ENF61R9V (Panasonic) - Automotive AEC-Q200 rated, Not For New Designs status
RC1206FR-0761R9L (YAGEO) - Standard moisture resistant

Secondary Substitute (0.75W Power Rating):

CRCW120661R9FKEAHP (Vishay Dale) - Higher power rating with pulse withstanding capability; suitable where increased thermal margin is required

All substitute parts maintain identical resistance, tolerance, package dimensions, and environmental operating range. Differences in features (automotive certification, pulse withstanding) and product status are noted for application-specific selection.

Parameter Comparison

Parameter	RCS3216F61R9CS (Samsung)	AC1206FR-0761R9L (YAGEO)	CR1206-FX-61R9ELF (Bourns)	CRCW120661R9FKEA (Vishay)	ERJ-8ENF61R9V (Panasonic)	RC1206FR-0761R9L (YAGEO)	CRCW120661R9FKEAHP (Vishay)
Resistance	61.9 Ω	61.9 Ω	61.9 Ω	61.9 Ω	61.9 Ω	61.9 Ω	61.9 Ω
Tolerance	±1%	±1%	±1%	±1%	±1%	±1%	±1%
Power Rating	0.25W	0.25W	0.25W	0.25W	0.25W	0.25W	0.75W
Package	1206	1206	1206	1206	1206	1206	1206
Composition	Thick Film	Thick Film	Thick Film	Thick Film	Thick Film	Thick Film	Thick Film
Temp Coefficient	±100ppm/°C	±100ppm/°C	±100ppm/°C	±100ppm/°C	±100ppm/°C	±100ppm/°C	±100ppm/°C
Operating Temp Range	-55°C ~ 155°C	-55°C ~ 155°C	-55°C ~ 155°C	-55°C ~ 155°C	-55°C ~ 155°C	-55°C ~ 155°C	-55°C ~ 155°C
RoHS Status	ROHS3	ROHS3	ROHS3	ROHS3	ROHS3	ROHS3	ROHS3
MSL Level	1	1	1	1	1	1	1
Product Status	Active	Active	Active	Active	Not For New Designs	Active	Active
Automotive Rating	None	AEC-Q200	None	AEC-Q200	AEC-Q200	None	AEC-Q200
Special Features	Anti-Sulfur, Moisture Resistant	Automotive AEC-Q200, Moisture Resistant	Moisture Resistant	Automotive AEC-Q200	Automotive AEC-Q200	Moisture Resistant	Automotive AEC-Q200, Pulse Withstanding
Inventory Status	1060 Pcs	28116 Pcs	21321 Pcs	24235 Pcs	61963 Pcs	25181 Pcs	33350 Pcs

Engineering Selection Recommendations

For Direct Replacement (0.25W Applications):

Select from AC1206FR-0761R9L, CR1206-FX-61R9ELF, CRCW120661R9FKEA, or RC1206FR-0761R9L when the RCS3216F61R9CS is unavailable. All five primary substitutes maintain identical electrical performance and thermal specifications. Product status is Active for all except ERJ-8ENF61R9V, which carries "Not For New Designs" designation and should be avoided in new circuit development.

For Automotive Applications:

If the circuit operates in automotive environments, select AC1206FR-0761R9L, CRCW120661R9FKEA, ERJ-8ENF61R9V, or CRCW120661R9FKEAHP. These parts carry AEC-Q200 automotive qualification. The RCS3216F61R9CS and CR1206-FX-61R9ELF lack automotive certification and are suitable only for non-automotive applications.

For Enhanced Thermal Performance:

CRCW120661R9FKEAHP provides 0.75W power rating with pulse withstanding capability in the same 1206 package. This part is suitable for applications requiring higher thermal margin or pulse current handling, though it exceeds the original 0.25W specification.

For General-Purpose Applications:

CR1206-FX-61R9ELF (Bourns) and RC1206FR-0761R9L (YAGEO) are suitable for standard non-automotive applications without automotive certification requirements. Both maintain full Active product status and equivalent inventory availability.

Compliance Verification:

All listed substitutes maintain ROHS3 compliance, MSL Level 1 rating, and identical operating temperature range (-55°C ~ 155°C). No additional compliance verification is required for direct substitution.

Frequently Asked Questions (FAQ)

Q: Can CRCW120661R9FKEAHP (0.75W) be used as a direct replacement for RCS3216F61R9CS (0.25W)?

A: Yes, CRCW120661R9FKEAHP is electrically and mechanically compatible. The higher power rating (0.75W vs. 0.25W) provides additional thermal margin and does not degrade circuit performance. The 1206 package dimensions remain identical. Use this part when enhanced thermal performance is beneficial or when the original part is unavailable.

Q: What is the difference between automotive-rated and non-automotive substitutes?

A: Automotive-rated parts (AC1206FR-0761R9L, CRCW120661R9FKEA, ERJ-8ENF61R9V, CRCW120661R9FKEAHP) carry AEC-Q200 qualification, indicating compliance with automotive reliability and environmental testing standards. Non-automotive parts (RCS3216F61R9CS, CR1206-FX-61R9ELF, RC1206FR-0761R9L) lack this certification. Select automotive-rated parts only for circuits intended for automotive applications.

Q: Why is ERJ-8ENF61R9V marked "Not For New Designs"?

A: This designation indicates the manufacturer (Panasonic) has discontinued active development and recommends alternative parts for new circuit designs. While ERJ-8ENF61R9V remains functionally equivalent and is in stock, it should not be selected for new product development. Choose AC1206FR-0761R9L, CRCW120661R9FKEA, or CR1206-FX-61R9ELF instead.

Q: Are all substitutes identical in physical dimensions?

A: Dimensions are functionally equivalent within manufacturing tolerance. Length ranges from 0.122" to 0.126" (3.10mm to 3.20mm), width is 0.063" (1.60mm) for all parts, and height ranges from 0.024" to 0.030" (0.60mm to 0.75mm). These variations are within standard PCB footprint tolerance and do not affect interchangeability.

Q: Can I use these substitutes interchangeably in the same circuit?

A: Yes, all listed substitutes are electrically and mechanically interchangeable for the specified 0.25W applications. Resistance value (61.9 Ω), tolerance (±1%), temperature coefficient (±100ppm/°C), and operating range (-55°C ~ 155°C) are identical. Select based on availability, automotive certification requirements, and product status for new designs.

Q: What does MSL Level 1 mean for handling and storage?

A: MSL Level 1 (Unlimited) indicates the component has unlimited shelf life and requires no special moisture control during storage or handling. Standard warehouse conditions are acceptable. No baking or desiccant storage is required before assembly.

Q: Which substitute offers the best long-term availability?

A: CRCW120661R9FKEAHP (Vishay Dale) shows the highest current inventory at 33,350 pieces, followed by ERJ-8ENF61R9V (Panasonic) at 61,963 pieces. However, ERJ-8ENF61R9V carries "Not For New Designs" status. For new designs with long-term availability, CRCW120661R9FKEA (24,235 pieces) or AC1206FR-0761R9L (28,116 pieces) are recommended.

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