RCS3216J511CS Equivalent & Substitute Parts Reference

Part Overview

The RCS3216J511CS is a 510 Ohm ±5% 0.25W (1/4W) thick film chip resistor manufactured by Samsung Electro-Mechanics in 1206 (3216 Metric) package format. 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 moisture sensitivity level) and is currently in active production status with 1021 pieces in stock.

Equivalent and substitute parts are identified based on matching or superior electrical specifications, identical package dimensions, and compatible operating characteristics. Substitutes may offer improved tolerance grades (±1% versus ±5%), enhanced automotive qualification (AEC-Q200), or increased power ratings while maintaining the same 1206 package footprint and core resistive function.

Key Parameters

Parameter	Value	Substitution Relevance
Resistance Value	510 Ohms	Must match exactly
Tolerance	±5%	Substitutes with ±1% are acceptable (tighter tolerance)
Power Rating	0.25W (1/4W)	Substitutes with equal or higher power rating acceptable
Package / Case	1206 (3216 Metric)	Must match for PCB compatibility
Composition	Thick Film	Must match
Temperature Coefficient	±100ppm/°C	Must match or be superior
Operating Temperature Range	-55°C to 155°C	Must match or exceed
RoHS Status	ROHS3 Compliant	Compliance requirement for regulated applications
Moisture Sensitivity Level	MSL 1 (Unlimited)	Must match or be superior

Substitute Part Grouping Explanation

Substitution logic for the RCS3216J511CS is based on the following criteria applied in strict order:

Primary Matching Criteria (Non-Negotiable):

Resistance value: 510 Ohms (exact match required)
Package: 1206 (3216 Metric) footprint (exact match required)
Composition: Thick film (exact match required)
Temperature coefficient: ±100ppm/°C (exact match required)
Operating temperature range: -55°C to 155°C minimum (equal or superior acceptable)
Moisture sensitivity level: MSL 1 (equal or superior acceptable)

Secondary Matching Criteria (Upgradeable):

Tolerance: ±5% baseline; ±1% tolerance substitutes are acceptable as they represent improved precision
Power rating: 0.25W baseline; 0.75W or higher power rating substitutes are acceptable for applications requiring additional thermal margin
Compliance: ROHS3 compliant baseline; parts with AEC-Q200 automotive qualification are acceptable upgrades

Substitutes are grouped into three categories:

Direct Equivalents (±5% Tolerance, 0.25W): Parts matching all primary and secondary criteria with identical tolerance and power rating
Precision Upgrades (±1% Tolerance, 0.25W): Parts with improved tolerance specification while maintaining baseline power rating
Enhanced Variants (±1% Tolerance, 0.75W or AEC-Q200): Parts with improved tolerance, automotive qualification, or increased power rating

Parameter Comparison

Part Number	Manufacturer	Resistance	Tolerance	Power (W)	Package	Temp Coeff	Temp Range	Features	RoHS	AEC-Q200	Inventory
RCS3216J511CS	Samsung Electro-Mechanics	510Ω	±5%	0.25	1206	±100ppm/°C	-55 to 155°C	Anti-Sulfur, Moisture Resistant	ROHS3	No	1021
RC3216F511CS	Samsung Electro-Mechanics	510Ω	±1%	0.25	1206	±100ppm/°C	-55 to 155°C	Moisture Resistant	ROHS3	No	749
AC1206FR-07510RL	YAGEO	510Ω	±1%	0.25	1206	±100ppm/°C	-55 to 155°C	Automotive AEC-Q200, Moisture Resistant	ROHS3	Yes	19811
AC1206JR-07510RL	YAGEO	510Ω	±5%	0.25	1206	±100ppm/°C	-55 to 155°C	Automotive AEC-Q200, Moisture Resistant	ROHS3	Yes	6628
CR1206-FX-5100ELF	Bourns Inc.	510Ω	±1%	0.25	1206	±100ppm/°C	-55 to 155°C	Moisture Resistant	ROHS3	No	62797
CRCW1206510RFKEA	Vishay Dale	510Ω	±1%	0.25	1206	±100ppm/°C	-55 to 155°C	Automotive AEC-Q200	ROHS3	Yes	20823
CRCW1206510RFKEAHP	Vishay Dale	510Ω	±1%	0.75	1206	±100ppm/°C	-55 to 155°C	Automotive AEC-Q200, Pulse Withstanding	ROHS3	Yes	22897
CRCW1206510RFKTA	Vishay Dale	510Ω	±1%	0.25	1206	±100ppm/°C	-55 to 155°C	Automotive AEC-Q200	RoHS Non-Compliant	Yes	1051
ERJ-8ENF5100V	Panasonic Electronic Components	510Ω	±1%	0.25	1206	±100ppm/°C	-55 to 155°C	Automotive AEC-Q200	ROHS3	Yes	50529
RC1206FR-07510RL	YAGEO	510Ω	±1%	0.25	1206	±100ppm/°C	-55 to 155°C	Moisture Resistant	ROHS3	No	20200
RC1206JR-07510RL	YAGEO	510Ω	±5%	0.25	1206	±100ppm/°C	-55 to 155°C	Moisture Resistant	ROHS3	No	5400

Engineering Selection Recommendations

For Direct Tolerance and Power Rating Match (±5%, 0.25W):

AC1206JR-07510RL (YAGEO) and RC1206JR-07510RL (YAGEO) are direct functional equivalents to RCS3216J511CS with identical tolerance (±5%) and power rating (0.25W). Both parts are ROHS3 compliant and maintain the -55°C to 155°C operating range. AC1206JR-07510RL includes AEC-Q200 automotive qualification. These substitutes are suitable for applications where tolerance and power specifications are non-negotiable design parameters.

For Improved Tolerance (±1%, 0.25W):

RC3216F511CS (Samsung Electro-Mechanics), AC1206FR-07510RL (YAGEO), CR1206-FX-5100ELF (Bourns Inc.), CRCW1206510RFKEA (Vishay Dale), RC1206FR-07510RL (YAGEO), and ERJ-8ENF5100V (Panasonic) all provide ±1% tolerance while maintaining 0.25W power rating and ROHS3 compliance. AC1206FR-07510RL, CRCW1206510RFKEA, and ERJ-8ENF5100V include AEC-Q200 automotive qualification. These substitutes are applicable when circuit design permits tighter tolerance specifications without requiring increased power dissipation capability.

For Enhanced Power Rating (0.75W, ±1%):

CRCW1206510RFKEAHP (Vishay Dale) provides 0.75W power rating with ±1% tolerance and AEC-Q200 automotive qualification in the same 1206 package. This substitute is suitable for applications requiring additional thermal margin or pulse withstanding capability while maintaining the same footprint.

Compliance Considerations:

CRCW1206510RFKTA (Vishay Dale) is RoHS non-compliant and REACH affected. This part is not suitable for applications subject to RoHS3 or REACH regulatory requirements.

ERJ-8ENF5100V (Panasonic) carries "Not For New Designs" product status. While currently in stock with high inventory (50529 pieces), this part should not be selected for new circuit designs due to its obsolescence trajectory.

Inventory and Availability:

CR1206-FX-5100ELF (Bourns Inc.) offers the highest inventory level (62797 pieces) among precision-grade (±1%) substitutes. ERJ-8ENF5100V (Panasonic) provides the second-highest inventory (50529 pieces) but is restricted to legacy design support only.

Frequently Asked Questions (FAQ)

Q: Can I substitute RCS3216J511CS with a ±1% tolerance part?

A: Yes. The RCS3216J511CS specifies ±5% tolerance. Substitutes with ±1% tolerance (such as RC3216F511CS, AC1206FR-07510RL, or CR1206-FX-5100ELF) provide tighter tolerance and are electrically compatible. Verify that your circuit design does not require the wider tolerance band of the original specification.

Q: What is the difference between AC1206FR-07510RL and AC1206JR-07510RL?

A: Both parts are manufactured by YAGEO in 1206 package with 510 Ohm resistance and AEC-Q200 automotive qualification. The primary difference is tolerance: AC1206FR-07510RL specifies ±1% tolerance while AC1206JR-07510RL specifies ±5% tolerance. AC1206JR-07510RL is a direct tolerance match to the RCS3216J511CS.

Q: Can I use CRCW1206510RFKEAHP as a substitute for RCS3216J511CS?

A: CRCW1206510RFKEAHP is electrically compatible but provides 0.75W power rating versus the 0.25W baseline. The 1206 package footprint is identical. This substitute is suitable if your application can accommodate the higher power rating. The increased power capability provides additional thermal margin without changing PCB layout requirements.

Q: Why is ERJ-8ENF5100V marked "Not For New Designs"?

A: ERJ-8ENF5100V carries "Not For New Designs" product status from Panasonic Electronic Components, indicating the part is in end-of-life phase. While currently in stock (50529 pieces), this part should only be used for legacy design support or repair of existing products. New circuit designs should select from active-status alternatives such as CR1206-FX-5100ELF, AC1206FR-07510RL, or CRCW1206510RFKEA.

Q: Is CRCW1206510RFKTA suitable for RoHS-regulated applications?

A: No. CRCW1206510RFKTA is RoHS non-compliant and REACH affected. This part is not suitable for applications subject to RoHS3 or REACH regulatory requirements. Select from ROHS3-compliant alternatives such as AC1206FR-07510RL, CR1206-FX-5100ELF, or CRCW1206510RFKEA.

Q: Do all substitute parts maintain the same operating temperature range?

A: Yes. All listed substitute parts maintain the -55°C to 155°C operating temperature range specified for RCS3216J511CS. Temperature coefficient is ±100ppm/°C across all substitutes, matching the original specification.

Q: What is the difference between Cut Tape (CT) and Tape & Reel (TR) packaging?

A: Cut Tape (CT) and Digi-Reel® packaging is suitable for manual assembly or small-volume production. Tape & Reel (TR) packaging is optimized for automated pick-and-place assembly equipment. Both packaging formats contain identical electronic components. Select packaging based on your assembly process requirements, not electrical performance.

Q: Can I substitute RCS3216J511CS with a part from a different manufacturer?

A: Yes. All listed substitute parts from YAGEO, Bourns Inc., Vishay Dale, and Panasonic Electronic Components meet or exceed the electrical and mechanical specifications of RCS3216J511CS. Verify that the substitute part number matches your circuit design requirements for tolerance, power rating, and compliance certifications before implementation.

Q: Which substitute offers the best availability?

A: CR1206-FX-5100ELF (Bourns Inc.) offers the highest inventory level at 62797 pieces. This part provides ±1% tolerance, 0.25W power rating, ROHS3 compliance, and active product status, making it suitable for new designs requiring high availability.

Request Quote (Ships tomorrow)

Part Number

Quantity

Company

Contact Name

E-mail

Message