RCS3216J123CS Equivalent & Substitute Parts

Part Overview

The RCS3216J123CS is a 12 kOhms ±5% 0.25W (1/4W) thick film chip resistor in 1206 (3216 Metric) package manufactured by Samsung Electro-Mechanics. This component features anti-sulfur and moisture-resistant construction with a temperature coefficient of ±100ppm/°C and operating range of -55°C to 155°C. The part is ROHS3 compliant with MSL 1 (Unlimited) rating.

Equivalent and substitute parts are necessary when the primary part becomes unavailable, when alternative sourcing is required for supply chain resilience, or when design specifications allow for compatible alternatives with different tolerance or power ratings.

Key Parameters

Parameter	Value
Resistance	12 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 to 155°C
RoHS Status	ROHS3 Compliant
Moisture Sensitivity Level	1 (Unlimited)

Substitute Part Grouping Explanation

Substitution of the RCS3216J123CS is determined by strict adherence to the following electrical and mechanical parameters:

Critical Parameters (Must Match):

Resistance value: 12 kOhms
Package / Case: 1206 (3216 Metric)
Composition: Thick Film
Temperature Coefficient: ±100ppm/°C
Operating Temperature Range: -55°C to 155°C
RoHS Status: ROHS3 Compliant
Moisture Sensitivity Level: 1 (Unlimited)

Allowable Variations:

Tolerance: ±5% (primary specification) or ±1% (tighter tolerance acceptable for direct substitution)
Power Rating: 0.25W (primary specification) or 0.75W (higher power rating acceptable for direct substitution)
Manufacturer: Different manufacturers acceptable if all parameters match
Packaging Format: Cut Tape (CT), Digi-Reel®, or Tape & Reel (TR) formats are interchangeable

Substitute parts are grouped into two categories: direct equivalents (matching tolerance and power rating) and compatible alternatives (with tighter tolerance or higher power rating).

Parameter Comparison

Part Number	Manufacturer	Resistance	Tolerance	Power (W)	Package	Temp Coeff	Op. Temp Range	RoHS	MSL	Product Status
RCS3216J123CS	Samsung Electro-Mechanics	12 kΩ	±5%	0.25	1206	±100ppm/°C	-55 to 155°C	ROHS3	1	Active
RC3216J123CS	Samsung Electro-Mechanics	12 kΩ	±5%	0.25	1206	±100ppm/°C	-55 to 155°C	ROHS3	1	Active
AC1206JR-0712KL	YAGEO	12 kΩ	±5%	0.25	1206	±100ppm/°C	-55 to 155°C	ROHS3	1	Active
AC1206FR-0712KL	YAGEO	12 kΩ	±1%	0.25	1206	±100ppm/°C	-55 to 155°C	ROHS3	1	Active
CR1206-FX-1202ELF	Bourns Inc.	12 kΩ	±1%	0.25	1206	±100ppm/°C	-55 to 155°C	ROHS3	1	Active
CRCW120612K0FKEA	Vishay Dale	12 kΩ	±1%	0.25	1206	±100ppm/°C	-55 to 155°C	ROHS3	1	Active
CRCW120612K0FKEAHP	Vishay Dale	12 kΩ	±1%	0.75	1206	±100ppm/°C	-55 to 155°C	ROHS3	1	Active
ERJ-8ENF1202V	Panasonic Electronic Components	12 kΩ	±1%	0.25	1206	±100ppm/°C	-55 to 155°C	ROHS3	1	Not For New Designs
RC1206FR-0712KL	YAGEO	12 kΩ	±1%	0.25	1206	±100ppm/°C	-55 to 155°C	ROHS3	1	Active
RC1206JR-0712KL	YAGEO	12 kΩ	±5%	0.25	1206	±100ppm/°C	-55 to 155°C	ROHS3	1	Active

Engineering Selection Recommendations

Direct Equivalents (Identical Specifications):

RC3216J123CS (Samsung Electro-Mechanics) and RC1206JR-0712KL (YAGEO) are direct equivalents to RCS3216J123CS, matching all electrical and mechanical parameters including ±5% tolerance and 0.25W power rating. Both parts are Active status and ROHS3 compliant with MSL 1 rating.

AC1206JR-0712KL (YAGEO) is a direct equivalent with identical ±5% tolerance and 0.25W power rating. This part carries AEC-Q200 automotive qualification, which does not restrict its use in non-automotive applications.

Compatible Alternatives with Tighter Tolerance (±1%):

AC1206FR-0712KL, CR1206-FX-1202ELF, CRCW120612K0FKEA, RC1206FR-0712KL are all ±1% tolerance variants maintaining 0.25W power rating. These parts are suitable for applications where tighter tolerance improves circuit performance. All are Active status and ROHS3 compliant.

Compatible Alternative with Higher Power Rating:

CRCW120612K0FKEAHP (Vishay Dale) provides 0.75W power rating while maintaining ±1% tolerance. This part is suitable for applications requiring higher power dissipation capability in the same 1206 package footprint. Active status and ROHS3 compliant.

Obsolescence Consideration:

ERJ-8ENF1202V (Panasonic Electronic Components) carries "Not For New Designs" status. While electrically and mechanically compatible, this part should not be selected for new circuit designs due to its obsolescence trajectory.

Frequently Asked Questions (FAQ)

Q: Can I substitute RCS3216J123CS with a ±1% tolerance part?

A: Yes. Parts with ±1% tolerance (such as AC1206FR-0712KL, CR1206-FX-1202ELF, CRCW120612K0FKEA, or RC1206FR-0712KL) are compatible substitutes. The tighter tolerance provides improved circuit accuracy without affecting mechanical or thermal compatibility.

Q: What is the difference between the various packaging formats (Cut Tape, Digi-Reel, Tape & Reel)?

A: Packaging format refers to the delivery method and does not affect component electrical or mechanical performance. Cut Tape (CT) & Digi-Reel® and Tape & Reel (TR) formats are interchangeable from an engineering perspective. Selection depends on assembly process requirements and inventory management.

Q: Can I use CRCW120612K0FKEAHP (0.75W) instead of RCS3216J123CS (0.25W)?

A: Yes. The 0.75W part is mechanically and electrically compatible and can be used as a direct substitute. The higher power rating provides additional thermal margin and does not negatively impact circuit performance. The 1206 package dimensions remain identical.

Q: Why is ERJ-8ENF1202V marked "Not For New Designs"?

A: This designation indicates the part is in obsolescence phase. While currently available and functionally compatible, Panasonic has discontinued active development and support for this series. For new designs, select from Active status alternatives such as CRCW120612K0FKEA or RC1206JR-0712KL.

Q: Are all substitute parts ROHS3 compliant?

A: Yes. All listed substitute parts are ROHS3 compliant with MSL 1 (Unlimited) rating, matching the compliance profile of RCS3216J123CS.

Q: What does AEC-Q200 qualification mean for non-automotive applications?

A: AEC-Q200 is an automotive industry qualification standard. Parts carrying this qualification (AC1206JR-0712KL, AC1206FR-0712KL, CRCW120612K0FKEA, CRCW120612K0FKEAHP, ERJ-8ENF1202V) meet stringent reliability and performance requirements. These parts are fully suitable for non-automotive applications and often provide superior reliability margins.

Q: Can I mix different manufacturers' parts in the same circuit?

A: Yes. All listed substitute parts meet identical electrical and mechanical specifications. Mixing manufacturers (Samsung, YAGEO, Bourns, Vishay Dale, Panasonic) in the same circuit is acceptable from an engineering perspective. Verify procurement and supply chain policies with your organization.

Request Quote (Ships tomorrow)

Part Number

Quantity

Company

Contact Name

E-mail

Message