RCS3216J333CS Equivalent & Substitute Parts Reference

Part Overview

The RCS3216J333CS is a 33 kOhm ±5% 0.25W thick film chip resistor in 1206 (3216 Metric) package manufactured by Samsung Electro-Mechanics. This component is classified as Active product status with anti-sulfur and moisture-resistant properties. The part is ROHS3 compliant with unlimited moisture sensitivity level (MSL 1).

Substitute parts are identified when equivalent electrical specifications and mechanical compatibility are maintained across the 1206 package form factor, resistance value, power rating, and operating temperature range. Alternative sources provide equivalent functionality with variations in tolerance grades, automotive certifications, and packaging formats.

Key Parameters

Parameter	Value
Resistance	33 kOhms
Tolerance	±5%
Power Rating	0.25W (1/4W)
Package / Case	1206 (3216 Metric)
Composition	Thick Film
Operating Temperature	-55°C ~ 155°C
Temperature Coefficient	±100ppm/°C
RoHS Status	ROHS3 Compliant
Moisture Sensitivity Level	1 (Unlimited)

Substitute Part Grouping Explanation

Substitution logic for the RCS3216J333CS is based on the following criteria:

Primary Compatibility Requirements:

Resistance value: 33 kOhms (exact match required)
Package / Case: 1206 (3216 Metric) (exact match required)
Power rating: 0.25W minimum (0.75W acceptable with derating consideration)
Operating temperature range: -55°C ~ 155°C minimum
Composition: Thick Film
Temperature coefficient: ±100ppm/°C

Tolerance Variations: Substitute parts with ±1% tolerance provide tighter specifications than the original ±5% tolerance and are electrically compatible for direct substitution. Parts with ±5% tolerance match the original specification exactly.

Feature Variations: Automotive AEC-Q200 rated parts and anti-sulfur variants provide enhanced reliability features beyond the base specification and are compatible substitutes. Pulse withstanding variants (0.75W power rating) accommodate higher transient stress conditions.

Product Status Consideration: Parts marked "Not For New Designs" remain functionally equivalent but should be evaluated for long-term availability in production environments.

Parameter Comparison

Part Number	Manufacturer	Resistance	Tolerance	Power (W)	Package	Temp Coeff	Operating Temp	Features	Product Status
RCS3216J333CS	Samsung Electro-Mechanics	33 kΩ	±5%	0.25	1206	±100ppm/°C	-55~155°C	Anti-Sulfur, Moisture Resistant	Active
AC1206JR-0733KL	YAGEO	33 kΩ	±5%	0.25	1206	±100ppm/°C	-55~155°C	Automotive AEC-Q200, Moisture Resistant	Active
AC1206FR-0733KL	YAGEO	33 kΩ	±1%	0.25	1206	±100ppm/°C	-55~155°C	Automotive AEC-Q200, Moisture Resistant	Active
CR1206-FX-3302ELF	Bourns Inc.	33 kΩ	±1%	0.25	1206	±100ppm/°C	-55~155°C	Moisture Resistant	Active
CRCW120633K0FKEA	Vishay Dale	33 kΩ	±1%	0.25	1206	±100ppm/°C	-55~155°C	Automotive AEC-Q200	Active
CRCW120633K0FKEAHP	Vishay Dale	33 kΩ	±1%	0.75	1206	±100ppm/°C	-55~155°C	Automotive AEC-Q200, Pulse Withstanding	Active
ERJ-8ENF3302V	Panasonic Electronic Components	33 kΩ	±1%	0.25	1206	±100ppm/°C	-55~155°C	Automotive AEC-Q200	Not For New Designs
ERJ-S08F3302V	Panasonic Electronic Components	33 kΩ	±1%	0.25	1206	±100ppm/°C	-55~155°C	Anti-Sulfur, Automotive AEC-Q200	Active
RC1206FR-0733KL	YAGEO	33 kΩ	±1%	0.25	1206	±100ppm/°C	-55~155°C	Moisture Resistant	Active
RC1206JR-0733KL	YAGEO	33 kΩ	±5%	0.25	1206	±100ppm/°C	-55~155°C	Moisture Resistant	Active

Engineering Selection Recommendations

Direct Substitution (Identical Tolerance ±5%):

RC1206JR-0733KL and AC1206JR-0733KL provide exact tolerance matching to the RCS3216J333CS. Both parts maintain ±5% tolerance specification with identical 0.25W power rating and 1206 package. AC1206JR-0733KL includes automotive AEC-Q200 certification, providing enhanced reliability qualification for automotive applications.

Upgraded Tolerance Substitution (±1%):

AC1206FR-0733KL, CR1206-FX-3302ELF, CRCW120633K0FKEA, RC1206FR-0733KL, ERJ-8ENF3302V, and ERJ-S08F3302V all provide ±1% tolerance with identical electrical and mechanical specifications. These parts are electrically compatible with improved tolerance performance. AC1206FR-0733KL, CRCW120633K0FKEA, ERJ-8ENF3302V, and ERJ-S08F3302V carry automotive AEC-Q200 certification.

Enhanced Power Rating Substitution:

CRCW120633K0FKEAHP provides 0.75W power rating in the same 1206 package with ±1% tolerance and automotive AEC-Q200 certification. This part accommodates higher transient stress conditions while maintaining mechanical compatibility.

Product Status Consideration:

ERJ-8ENF3302V is marked "Not For New Designs" by Panasonic Electronic Components. While functionally equivalent, this part should be avoided for new product development due to potential long-term availability constraints.

Compliance and Certification:

All substitute parts maintain ROHS3 compliance and MSL 1 (Unlimited) moisture sensitivity level. Automotive-rated variants (AC1206FR-0733KL, AC1206JR-0733KL, CRCW120633K0FKEA, CRCW120633K0FKEAHP, ERJ-8ENF3302V, ERJ-S08F3302V) include AEC-Q200 qualification for automotive applications.

Frequently Asked Questions (FAQ)

Q: Can RC1206JR-0733KL directly replace RCS3216J333CS?

A: Yes. RC1206JR-0733KL matches the RCS3216J333CS in resistance (33 kOhms), tolerance (±5%), power rating (0.25W), package (1206), operating temperature range (-55°C ~ 155°C), and temperature coefficient (±100ppm/°C). Both are thick film composition with moisture resistance. Mechanical and electrical compatibility is confirmed.

Q: What is the difference between ±5% and ±1% tolerance parts?

A: Tolerance specifies the maximum deviation from the nominal resistance value. ±5% tolerance allows deviation up to 5% from 33 kOhms (31.35 kOhms to 34.65 kOhms). ±1% tolerance restricts deviation to 1% (32.67 kOhms to 33.33 kOhms). Parts with ±1% tolerance provide tighter specifications and are compatible substitutes for ±5% applications.

Q: Are automotive AEC-Q200 rated parts compatible with non-automotive applications?

A: Yes. Automotive AEC-Q200 certification indicates enhanced reliability qualification and testing. Parts meeting this standard are compatible with non-automotive applications and provide equivalent or superior performance compared to non-certified variants.

Q: What is the significance of the 1206 package designation?

A: 1206 is the industry standard SMD (Surface Mount Device) package size, equivalent to 3216 Metric (3.2mm length × 1.6mm width). All substitute parts listed use identical 1206 package dimensions, ensuring mechanical compatibility with PCB footprints designed for the RCS3216J333CS.

Q: Can CRCW120633K0FKEAHP (0.75W) replace RCS3216J333CS (0.25W)?

A: Yes. CRCW120633K0FKEAHP provides higher power rating (0.75W) in the same 1206 package with identical resistance, tolerance, and operating temperature specifications. Higher power rating components are compatible substitutes for lower power applications. No derating or circuit modification is required.

Q: What does "Not For New Designs" status mean for ERJ-8ENF3302V?

A: "Not For New Designs" indicates the manufacturer (Panasonic Electronic Components) has discontinued active promotion of this part for new product development. While functionally equivalent and currently in stock, long-term availability may be limited. For new designs, select from Active status alternatives such as AC1206FR-0733KL, CR1206-FX-3302ELF, or RC1206FR-0733KL.

Q: Are all substitute parts ROHS3 compliant?

A: Yes. All substitute parts listed are ROHS3 compliant with MSL 1 (Unlimited) moisture sensitivity level, matching the RCS3216J333CS compliance profile.

Q: What packaging formats are available for substitute parts?

A: Substitute parts are available in Tape & Reel (TR) and Cut Tape (CT) & Digi-Reel® formats. Tape & Reel packaging is standard for high-volume production. Cut Tape & Digi-Reel® format accommodates lower-volume or prototype applications. Package format selection does not affect electrical or mechanical compatibility.

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