RCS3216J151CS Equivalent & Substitute Parts Reference

Part Overview

The RCS3216J151CS is a 150 Ohm ±5% 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 with MSL 1 (unlimited moisture sensitivity level) and maintains active product status. Equivalent and substitute parts are identified based on matching electrical specifications (resistance value and power rating), mechanical compatibility (package dimensions), and environmental operating parameters. Alternative sources provide functionally equivalent solutions with varying tolerance grades, automotive certifications, and packaging options.

Key Parameters

Parameter	Value	Specification Basis
Resistance	150 Ohms	Core electrical specification
Tolerance	±5%	Accuracy grade for substitution matching
Power Rating	0.25W (1/4W)	Thermal dissipation capability
Package / Case	1206 (3216 Metric)	Physical and mechanical compatibility
Composition	Thick Film	Technology type
Operating Temperature Range	-55°C to 155°C	Environmental operating limits
Temperature Coefficient	±100ppm/°C	Stability specification
Moisture Sensitivity Level	1 (Unlimited)	Handling and storage requirements
RoHS Status	ROHS3 Compliant	Environmental compliance

Substitute Part Grouping Explanation

Substitution logic for the RCS3216J151CS is based on the following mandatory matching criteria:

Primary Electrical Parameters:

Resistance value: 150 Ohms (exact match required)
Power rating: 0.25W (1/4W) minimum
Temperature coefficient: ±100ppm/°C
Operating temperature range: -55°C to 155°C minimum

Mechanical Parameters:

Package type: 1206 (3216 Metric) form factor
Number of terminations: 2
Physical dimensions compatible with 1206 footprint

Tolerance Grades: Substitutes are grouped into two tolerance categories:

±5% Tolerance Group: Direct functional equivalents with identical tolerance specification (AC1206JR-07150RL, RC1206JR-07150RL)
±1% Tolerance Group: Higher precision alternatives suitable for applications requiring tighter tolerance control (AC1206FR-07150RL, CR1206-FX-1500ELF, CRCW1206150RFKEA, CRCW1206150RFKEAHP, CRCW1206150RFKTA, ERJ-8ENF1500V, RC1206FR-07150RL, RMCF1206FT150R)

Compliance and Certification Variants:

Standard industrial grade (moisture resistant)
Automotive AEC-Q200 qualified variants
ROHS3 compliant and REACH unaffected options

Power Rating Variants:

Standard 0.25W (1/4W) substitutes
Enhanced 0.75W (3/4W) option (CRCW1206150RFKEAHP) for higher thermal margin applications

Parameter Comparison

Part Number	Manufacturer	Resistance	Tolerance	Power (W)	Package	Temp Coeff	Op. Temp Range	AEC-Q200	RoHS Status	Product Status
RCS3216J151CS	Samsung Electro-Mechanics	150 Ω	±5%	0.25	1206	±100ppm/°C	-55 to 155°C	No	ROHS3	Active
AC1206FR-07150RL	YAGEO	150 Ω	±1%	0.25	1206	±100ppm/°C	-55 to 155°C	Yes	ROHS3	Active
AC1206JR-07150RL	YAGEO	150 Ω	±5%	0.25	1206	±100ppm/°C	-55 to 155°C	Yes	ROHS3	Active
CR1206-FX-1500ELF	Bourns Inc.	150 Ω	±1%	0.25	1206	±100ppm/°C	-55 to 155°C	No	ROHS3	Active
CRCW1206150RFKEA	Vishay Dale	150 Ω	±1%	0.25	1206	±100ppm/°C	-55 to 155°C	Yes	ROHS3	Active
CRCW1206150RFKEAHP	Vishay Dale	150 Ω	±1%	0.75	1206	±100ppm/°C	-55 to 155°C	Yes	ROHS3	Active
CRCW1206150RFKTA	Vishay Dale	150 Ω	±1%	0.25	1206	±100ppm/°C	-55 to 155°C	Yes	Non-compliant	Active
ERJ-8ENF1500V	Panasonic Electronic Components	150 Ω	±1%	0.25	1206	±100ppm/°C	-55 to 155°C	Yes	ROHS3	Not For New Designs
RC1206FR-07150RL	YAGEO	150 Ω	±1%	0.25	1206	±100ppm/°C	-55 to 155°C	No	ROHS3	Active
RC1206JR-07150RL	YAGEO	150 Ω	±5%	0.25	1206	±100ppm/°C	-55 to 155°C	No	ROHS3	Active
RMCF1206FT150R	Stackpole Electronics Inc	150 Ω	±1%	0.25	1206	±100ppm/°C	-55 to 155°C	Yes	ROHS3	Active

Engineering Selection Recommendations

For Direct Functional Equivalence (±5% Tolerance): Select AC1206JR-07150RL or RC1206JR-07150RL when tolerance specification must match the RCS3216J151CS exactly. Both parts maintain ±5% tolerance, 0.25W power rating, and 1206 package compatibility. AC1206JR-07150RL includes AEC-Q200 automotive qualification; RC1206JR-07150RL provides standard industrial-grade construction. Both are ROHS3 compliant with active product status.

For Higher Precision Applications (±1% Tolerance): When circuit design requires tighter tolerance control, select from the ±1% tolerance group. CRCW1206150RFKEA, CRCW1206150RFKTA, AC1206FR-07150RL, and RMCF1206FT150R all provide ±1% tolerance with 0.25W power rating and AEC-Q200 certification (except CR1206-FX-1500ELF and RC1206FR-07150RL). All maintain ROHS3 compliance and active product status except CRCW1206150RFKTA (RoHS non-compliant, REACH affected).

For Automotive Applications: Parts with AEC-Q200 qualification include AC1206FR-07150RL, AC1206JR-07150RL, CRCW1206150RFKEA, CRCW1206150RFKEAHP, CRCW1206150RFKTA, ERJ-8ENF1500V, and RMCF1206FT150R. These are suitable for automotive circuit requirements with documented qualification testing.

For Enhanced Thermal Performance: CRCW1206150RFKEAHP provides 0.75W (3/4W) power rating in the same 1206 package footprint, offering increased thermal margin for applications with higher power dissipation requirements while maintaining ±1% tolerance and AEC-Q200 qualification.

For New Design Programs: Avoid ERJ-8ENF1500V (Panasonic), which carries "Not For New Designs" status. Select from active product status alternatives: AC1206JR-07150RL, AC1206FR-07150RL, CR1206-FX-1500ELF, CRCW1206150RFKEA, CRCW1206150RFKEAHP, CRCW1206150RFKTA, RC1206FR-07150RL, RC1206JR-07150RL, or RMCF1206FT150R.

For Regulatory Compliance: All recommended substitutes except CRCW1206150RFKTA are ROHS3 compliant and REACH unaffected. For applications requiring full environmental compliance, exclude CRCW1206150RFKTA from selection.

Frequently Asked Questions (FAQ)

Q: Can I substitute a ±1% tolerance part for the ±5% RCS3216J151CS?

A: Yes. A ±1% tolerance part is functionally compatible and provides superior accuracy. The tighter tolerance does not create incompatibility; it only improves circuit performance where tolerance stack-up is a concern. Electrical and mechanical parameters remain identical.

Q: What is the difference between AC1206JR-07150RL and AC1206FR-07150RL?

A: Both are YAGEO 1206 package 150 Ohm resistors with AEC-Q200 qualification. The primary difference is tolerance: AC1206JR-07150RL is ±5% (matching the RCS3216J151CS tolerance), while AC1206FR-07150RL is ±1% (higher precision). Both operate across -55°C to 155°C with identical power rating and temperature coefficient.

Q: Is the CRCW1206150RFKEAHP (0.75W) a direct substitute for the RCS3216J151CS (0.25W)?

A: The CRCW1206150RFKEAHP is mechanically and electrically compatible but provides higher power dissipation capability (0.75W vs. 0.25W). It occupies the same 1206 footprint and maintains all other electrical specifications. Use this part when thermal margin is required; it is not necessary for standard 0.25W applications.

Q: Why is ERJ-8ENF1500V marked "Not For New Designs"?

A: This Panasonic part carries obsolescence status, indicating the manufacturer recommends against use in new product development. While technically compatible, alternative active-status parts should be selected for new designs to ensure long-term supply availability and manufacturer support.

Q: Are all 1206 package resistors mechanically interchangeable?

A: All substitute parts listed use the 1206 (3216 Metric) package and are mechanically compatible with the RCS3216J151CS footprint. Physical dimensions vary slightly (length 0.122" to 0.126", height 0.024" to 0.030"), but all fit standard 1206 PCB pads without modification.

Q: What does AEC-Q200 certification mean for resistor selection?

A: AEC-Q200 is an automotive industry qualification standard indicating the part has undergone rigorous testing for automotive applications. Parts with this certification (AC1206JR-07150RL, AC1206FR-07150RL, CRCW1206150RFKEA, CRCW1206150RFKEAHP, CRCW1206150RFKTA, ERJ-8ENF1500V, RMCF1206FT150R) are suitable for automotive circuits; non-certified parts are suitable for industrial and consumer applications.

Q: Can I use RC1206JR-07150RL as a direct replacement?

A: Yes. RC1206JR-07150RL matches the RCS3216J151CS in resistance (150 Ω), tolerance (±5%), power rating (0.25W), package (1206), and operating temperature range (-55°C to 155°C). It is ROHS3 compliant and active status. The primary difference is manufacturer (YAGEO vs. Samsung Electro-Mechanics).

Q: What is the significance of MSL 1 (Unlimited) moisture sensitivity level?

A: MSL 1 indicates the component has unlimited shelf life and requires no special moisture control during storage or handling. All listed substitutes maintain MSL 1 rating, ensuring identical moisture sensitivity characteristics and eliminating special storage requirements.

Q: Should I select CRCW1206150RFKTA despite RoHS non-compliance?

A: CRCW1206150RFKTA is RoHS non-compliant and REACH affected. Selection depends on application regulatory requirements. For applications requiring environmental compliance certification, select ROHS3-compliant alternatives such as AC1206JR-07150RL, CRCW1206150RFKEA, or RMCF1206FT150R instead.

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