RC3216F1331CS Equivalent & Substitute Parts Reference

Part Overview

The RC3216F1331CS is a 1.33 kOhms ±1% 0.25W thick film chip resistor manufactured by Samsung Electro-Mechanics in 1206 (3216 Metric) package configuration. This component is classified as Active product status with moisture-resistant characteristics and operates across the temperature range of -55°C to 155°C. The part is ROHS3 compliant and carries MSL Level 1 (Unlimited) moisture sensitivity rating.

Equivalent and substitute parts are identified when design requirements necessitate alternative sourcing due to inventory constraints, supply chain considerations, or specific application certifications such as automotive AEC-Q200 qualification.

Key Parameters

Parameter	Value
Resistance	1.33 kOhms
Tolerance	±1%
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
Moisture Sensitivity Level	1 (Unlimited)
RoHS Status	ROHS3 Compliant
Number of Terminations	2

Substitute Part Grouping Explanation

Substitution eligibility for the RC3216F1331CS is determined by strict equivalence across the following critical parameters:

Mandatory Matching Parameters:

Resistance value: 1.33 kOhms
Tolerance: ±1%
Power rating: 0.25W (1/4W)
Package: 1206 (3216 Metric)
Composition: Thick Film
Temperature coefficient: ±100ppm/°C
Operating temperature range: -55°C to 155°C
Moisture sensitivity level: 1 (Unlimited)
RoHS compliance: ROHS3 Compliant

Acceptable Dimensional Variations: Physical dimensions (length, width, height) may vary within standard manufacturing tolerances for the 1206 package category. Height-seated maximum values range from 0.024" to 0.030" (0.60mm to 0.75mm) across qualified manufacturers.

Substitution Categories:

Direct Equivalents maintain identical electrical and environmental specifications with standard commercial packaging.

Upgrade Substitutes include automotive AEC-Q200 qualification, providing enhanced reliability for applications requiring automotive-grade components while maintaining all base electrical parameters.

Similar Substitutes meet all electrical specifications and package requirements but may carry different product status classifications or packaging formats.

Parameter Comparison

Manufacturer Part Number	Manufacturer	Resistance	Tolerance	Power (W)	Package	Temp Coeff	Op. Temp Range	AEC-Q200	Product Status	Packaging Type
RC3216F1331CS	Samsung Electro-Mechanics	1.33 kΩ	±1%	0.25	1206	±100ppm/°C	-55 to 155°C	No	Active	Standard
CR1206-FX-1331ELF	Bourns Inc.	1.33 kΩ	±1%	0.25	1206	±100ppm/°C	-55 to 155°C	No	Active	Tape & Reel
RC1206FR-071K33L	YAGEO	1.33 kΩ	±1%	0.25	1206	±100ppm/°C	-55 to 155°C	No	Active	Tape & Reel
AC1206FR-071K33L	YAGEO	1.33 kΩ	±1%	0.25	1206	±100ppm/°C	-55 to 155°C	Yes	Active	Tape & Reel
CRCW12061K33FKEA	Vishay Dale	1.33 kΩ	±1%	0.25	1206	±100ppm/°C	-55 to 155°C	Yes	Active	Tape & Reel
ERJ-8ENF1331V	Panasonic Electronic Components	1.33 kΩ	±1%	0.25	1206	±100ppm/°C	-55 to 155°C	Yes	Not For New Designs	Tape & Reel

Engineering Selection Recommendations

For Active Product Designs:

CR1206-FX-1331ELF (Bourns Inc.) and RC1206FR-071K33L (YAGEO) are direct functional equivalents to the RC3216F1331CS. Both maintain identical electrical specifications and operating parameters with ROHS3 compliance and MSL Level 1 rating. Selection between these options is based on supply availability and procurement lead times.

For Automotive Applications Requiring AEC-Q200 Certification:

AC1206FR-071K33L (YAGEO) and CRCW12061K33FKEA (Vishay Dale) are qualified substitutes that meet automotive reliability standards while maintaining all base electrical parameters. These components are suitable for applications requiring enhanced qualification documentation and automotive-grade component traceability.

For Legacy Design Continuity:

ERJ-8ENF1331V (Panasonic Electronic Components) meets all electrical and package specifications but carries "Not For New Designs" product status. This component is suitable only for sustaining production of existing designs or field service applications where design continuity is required.

Packaging Consideration:

All substitute parts are supplied in Tape & Reel (TR) format, which is standard for high-volume manufacturing. The main part RC3216F1331CS is available in standard packaging. Tape & Reel format is compatible with automated assembly processes and does not affect electrical performance or reliability.

Frequently Asked Questions (FAQ)

Q: Can CR1206-FX-1331ELF replace RC3216F1331CS in existing designs?

A: Yes. CR1206-FX-1331ELF is a direct equivalent with identical resistance, tolerance, power rating, package, temperature coefficient, and operating temperature range. Both components are ROHS3 compliant with MSL Level 1 rating. The substitution requires no circuit redesign or validation.

Q: What is the difference between standard and AEC-Q200 qualified versions?

A: AEC-Q200 qualified versions (AC1206FR-071K33L and CRCW12061K33FKEA) undergo additional automotive reliability testing and qualification procedures. These components are suitable for automotive applications requiring documented qualification. Non-AEC-Q200 versions are suitable for general industrial and consumer applications. All versions maintain identical electrical specifications.

Q: Why is ERJ-8ENF1331V marked "Not For New Designs"?

A: "Not For New Designs" status indicates the manufacturer has discontinued active development and recommends alternative components for new product designs. This component remains available for sustaining production of existing designs. For new designs, CR1206-FX-1331ELF, RC1206FR-071K33L, or AEC-Q200 qualified alternatives are recommended.

Q: Are there dimensional differences between substitute parts?

A: All substitute parts conform to the 1206 (3216 Metric) package standard. Height-seated maximum values range from 0.024" to 0.030" (0.60mm to 0.75mm) depending on manufacturer. These variations are within standard package tolerances and do not affect PCB assembly compatibility or electrical performance.

Q: Can I use AEC-Q200 qualified parts in non-automotive applications?

A: Yes. AEC-Q200 qualified components (AC1206FR-071K33L and CRCW12061K33FKEA) meet or exceed the electrical and reliability specifications of standard versions. They are fully compatible with non-automotive applications and provide enhanced reliability margins.

Q: What is the significance of MSL Level 1 rating?

A: MSL Level 1 (Unlimited) indicates the component has unlimited shelf life and requires no special moisture control during storage or handling. This simplifies inventory management and eliminates the need for desiccant packaging or bake-out procedures prior to assembly.

Q: Are all substitute parts ROHS3 compliant?

A: Yes. All listed substitute parts carry ROHS3 compliance certification, meeting EU Directive 2011/65/EU requirements for restricted hazardous substances. This compliance is maintained across all manufacturers and product variants.

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