RC3216F433CS Equivalent & Substitute Parts Reference

Part Overview

The RC3216F433CS is a 43 kOhm ±1% 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 833 pieces currently in stock. The RC3216F433CS serves as a standard general-purpose resistor for applications requiring moisture resistance and stable performance across the -55°C to 155°C operating temperature range. Equivalent and substitute parts are identified to support procurement flexibility, inventory management, and design continuity when the primary part becomes unavailable or when design requirements necessitate alternative specifications such as automotive qualification or enhanced power ratings.

Key Parameters

Parameter	Value
Resistance	43 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 ~ 155°C
Features	Moisture Resistant
RoHS Status	ROHS3 Compliant
Moisture Sensitivity Level	1 (Unlimited)

Substitute Part Grouping Explanation

Substitution eligibility for the RC3216F433CS is determined by strict equivalence across the following critical parameters: resistance value (43 kOhms), tolerance (±1%), power rating (0.25W), package type (1206), composition (thick film), temperature coefficient (±100ppm/°C), operating temperature range (-55°C to 155°C), and compliance certifications (RoHS3, REACH Unaffected). Parts are grouped into three categories based on their relationship to the main part:

Direct Equivalents maintain identical electrical and mechanical specifications with no functional differences. These parts are interchangeable without design modification.

Upgrade Substitutes meet or exceed all primary specifications while adding enhanced features such as automotive AEC-Q200 qualification. These parts provide superior performance characteristics suitable for applications with stricter reliability requirements.

Similar Substitutes share core electrical parameters but may differ in secondary characteristics such as packaging format, power rating enhancement, or product lifecycle status. Selection requires verification of specific application requirements.

Parameter Comparison

Manufacturer Part Number	Manufacturer	Resistance	Tolerance	Power (W)	Package	Temp Coeff	Op Temp Range	Features	Product Status	Packaging Type
RC3216F433CS	Samsung Electro-Mechanics	43 kOhms	±1%	0.25	1206	±100ppm/°C	-55°C ~ 155°C	Moisture Resistant	Active	Bulk
CR1206-FX-4302ELF	Bourns Inc.	43 kOhms	±1%	0.25	1206	±100ppm/°C	-55°C ~ 155°C	Moisture Resistant	Active	Tape & Reel
RC1206FR-0743KL	YAGEO	43 kOhms	±1%	0.25	1206	±100ppm/°C	-55°C ~ 155°C	Moisture Resistant	Active	Tape & Reel
AC1206FR-0743KL	YAGEO	43 kOhms	±1%	0.25	1206	±100ppm/°C	-55°C ~ 155°C	Automotive AEC-Q200, Moisture Resistant	Active	Tape & Reel
CRCW120643K0FKEA	Vishay Dale	43 kOhms	±1%	0.25	1206	±100ppm/°C	-55°C ~ 155°C	Automotive AEC-Q200	Active	Cut Tape & Digi-Reel
CRCW120643K0FKEAHP	Vishay Dale	43 kOhms	±1%	0.75	1206	±100ppm/°C	-55°C ~ 155°C	Automotive AEC-Q200, Pulse Withstanding	Active	Tape & Reel
ERJ-8ENF4302V	Panasonic Electronic Components	43 kOhms	±1%	0.25	1206	±100ppm/°C	-55°C ~ 155°C	Automotive AEC-Q200	Not For New Designs	Tape & Reel

Engineering Selection Recommendations

For Direct Replacement (Active Product Status Required): CR1206-FX-4302ELF (Bourns Inc.) and RC1206FR-0743KL (YAGEO) are direct functional equivalents to RC3216F433CS. Both maintain identical electrical specifications and are classified as Active products. Selection between these options depends on packaging preference (Tape & Reel format) and supplier availability. Both are ROHS3 compliant and suitable for general-purpose applications.

For Automotive and Enhanced Reliability Applications: AC1206FR-0743KL (YAGEO) and CRCW120643K0FKEA (Vishay Dale) are upgrade substitutes that add AEC-Q200 automotive qualification while maintaining all primary electrical parameters. These parts are appropriate for automotive, industrial, and mission-critical applications requiring enhanced qualification standards. Both remain Active products with established supply chains.

For Applications Requiring Enhanced Power Handling: CRCW120643K0FKEAHP (Vishay Dale) provides 0.75W power rating with pulse withstanding capability while maintaining the 43 kOhm resistance and ±1% tolerance. This part is suitable for applications experiencing transient power conditions or requiring design margin above the standard 0.25W rating. AEC-Q200 qualification is included.

Parts Not Recommended for New Designs: ERJ-8ENF4302V (Panasonic Electronic Components) is classified as "Not For New Designs" despite meeting all electrical specifications. This designation indicates the manufacturer has discontinued active development. Use only for legacy system maintenance or when existing design validation specifically requires this part number.

Frequently Asked Questions (FAQ)

Q: Can CR1206-FX-4302ELF replace RC3216F433CS without circuit modification?

A: Yes. CR1206-FX-4302ELF is a direct equivalent with identical resistance (43 kOhms), tolerance (±1%), power rating (0.25W), package (1206), temperature coefficient (±100ppm/°C), and operating temperature range (-55°C to 155°C). No circuit modification is required. Both are ROHS3 compliant and moisture resistant.

Q: What is the difference between AC1206FR-0743KL and RC1206FR-0743KL?

A: Both are YAGEO products with identical electrical specifications (43 kOhms, ±1%, 0.25W, 1206 package). The primary difference is that AC1206FR-0743KL includes AEC-Q200 automotive qualification, making it suitable for automotive applications. RC1206FR-0743KL is a general-purpose variant without automotive certification. Both are Active products.

Q: Why is CRCW120643K0FKEAHP listed as a similar substitute rather than a direct equivalent?

A: CRCW120643K0FKEAHP differs in power rating (0.75W versus 0.25W) and includes pulse withstanding capability. While resistance, tolerance, package, and temperature specifications match, the enhanced power rating represents a design upgrade rather than a direct replacement. This part is suitable when applications require higher power handling or transient protection.

Q: Can ERJ-8ENF4302V be used in new product designs?

A: No. ERJ-8ENF4302V is classified as "Not For New Designs" by Panasonic Electronic Components. While it meets all electrical specifications, the manufacturer has discontinued active development. This part should be used only for legacy system maintenance or repair of existing products already validated with this component.

Q: Are all substitute parts ROHS3 compliant?

A: Yes. All listed substitute parts (CR1206-FX-4302ELF, RC1206FR-0743KL, AC1206FR-0743KL, CRCW120643K0FKEA, CRCW120643K0FKEAHP, and ERJ-8ENF4302V) are ROHS3 compliant and REACH unaffected, matching the compliance status of the main part RC3216F433CS.

Q: What packaging formats are available for these substitutes?

A: Packaging varies by manufacturer. CR1206-FX-4302ELF, RC1206FR-0743KL, AC1206FR-0743KL, CRCW120643K0FKEAHP, and ERJ-8ENF4302V are supplied in Tape & Reel format. CRCW120643K0FKEA is available in Cut Tape & Digi-Reel format. The main part RC3216F433CS is supplied in bulk packaging. Select based on assembly process requirements.

Q: Do all parts have identical physical dimensions?

A: All parts use the 1206 (3216 Metric) package with nominal dimensions of 3.20mm length × 1.60mm width. Height varies slightly between manufacturers (0.60mm to 0.75mm maximum seated height). These variations are within standard 1206 package tolerances and do not affect PCB layout or assembly compatibility.

Q: Which substitute offers the best long-term availability?

A: RC1206FR-0743KL (YAGEO) and CRCW120643K0FKEA (Vishay Dale) both show high inventory levels (37,861 and 27,263 pieces respectively) and Active product status, indicating strong long-term availability. Both manufacturers maintain established supply chains for standard resistor products.

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