RC3216J432CS Equivalent & Substitute Parts Reference

Part Overview

The RC3216J432CS is a 4.3 kOhms ±5% 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 full RoHS3 compliance and unlimited moisture sensitivity level (MSL 1). The RC3216J432CS serves as a standard general-purpose resistor for applications requiring moderate tolerance specifications. Equivalent and substitute parts are identified based on matching electrical characteristics (resistance value, tolerance, power rating) and mechanical compatibility (package type, dimensions, termination count) within the 1206 form factor.

Key Parameters

Parameter	Value
Resistance	4.3 kOhms
Tolerance	±5%
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
RoHS Status	ROHS3 Compliant
Moisture Sensitivity Level	1 (Unlimited)
Number of Terminations	2

Substitute Part Grouping Explanation

Substitute parts for the RC3216J432CS are classified into three categories based on electrical and mechanical compatibility:

Direct Equivalent (Same Tolerance ±5%):

RC1206JR-074K3L (YAGEO): Identical electrical specifications with ±5% tolerance, same 1206 package, moisture resistant thick film composition, operating temperature -55°C ~ 155°C.
AC1206JR-074K3L (YAGEO): Matches tolerance and electrical parameters with added automotive AEC-Q200 qualification and moisture resistant features.

Upgrade Substitutes (Improved Tolerance ±1%):

AC1206FR-074K3L (YAGEO): ±1% tolerance upgrade with automotive AEC-Q200 certification, moisture resistant thick film.
RC1206FR-074K3L (YAGEO): ±1% tolerance upgrade, moisture resistant thick film, same thermal and operating characteristics.
ERJ-8ENF4301V (Panasonic): ±1% tolerance with automotive AEC-Q200 qualification; product status is Not For New Designs.
KTR18EZPF4301 (Rohm Semiconductor): ±1% tolerance with automotive AEC-Q200 and high voltage features.
RMCF1206FT4K30 (Stackpole Electronics Inc): ±1% tolerance with automotive AEC-Q200 qualification.
CRCW12064K30FKEA (Vishay Dale): ±1% tolerance with automotive AEC-Q200 qualification.

Substitution Criteria: All substitute parts maintain the following critical parameters identical to the main part:

Resistance value: 4.3 kOhms
Power rating: 0.25W (1/4W)
Package: 1206 (3216 Metric)
Composition: Thick Film
Temperature coefficient: ±100ppm/°C
Operating temperature: -55°C ~ 155°C
RoHS3 compliance
MSL 1 (Unlimited)
Two terminations

Parameter Comparison

Part Number	Manufacturer	Resistance	Tolerance	Power	Package	Temp Coeff	Op Temp	Features	Product Status
RC3216J432CS	Samsung Electro-Mechanics	4.3 kΩ	±5%	0.25W	1206	±100ppm/°C	-55~155°C	Moisture Resistant	Active
RC1206JR-074K3L	YAGEO	4.3 kΩ	±5%	0.25W	1206	±100ppm/°C	-55~155°C	Moisture Resistant	Active
AC1206JR-074K3L	YAGEO	4.3 kΩ	±5%	0.25W	1206	±100ppm/°C	-55~155°C	Automotive AEC-Q200, Moisture Resistant	Active
AC1206FR-074K3L	YAGEO	4.3 kΩ	±1%	0.25W	1206	±100ppm/°C	-55~155°C	Automotive AEC-Q200, Moisture Resistant	Active
RC1206FR-074K3L	YAGEO	4.3 kΩ	±1%	0.25W	1206	±100ppm/°C	-55~155°C	Moisture Resistant	Active
ERJ-8ENF4301V	Panasonic Electronic Components	4.3 kΩ	±1%	0.25W	1206	±100ppm/°C	-55~155°C	Automotive AEC-Q200	Not For New Designs
KTR18EZPF4301	Rohm Semiconductor	4.3 kΩ	±1%	0.25W	1206	±100ppm/°C	-55~155°C	Automotive AEC-Q200, High Voltage	Active
RMCF1206FT4K30	Stackpole Electronics Inc	4.3 kΩ	±1%	0.25W	1206	±100ppm/°C	-55~155°C	Automotive AEC-Q200	Active
CRCW12064K30FKEA	Vishay Dale	4.3 kΩ	±1%	0.25W	1206	±100ppm/°C	-55~155°C	Automotive AEC-Q200	Active

Engineering Selection Recommendations

For Direct Replacement (Same Tolerance ±5%): RC1206JR-074K3L from YAGEO provides direct electrical and mechanical equivalence to RC3216J432CS. Both components maintain identical tolerance, power rating, and operating characteristics. Selection of this part is appropriate when tolerance specifications remain unchanged and general-purpose applications do not require automotive qualification.

For Tolerance Upgrade (±1% Tolerance): When circuit design requires improved tolerance performance, four active-status options are available:

RC1206FR-074K3L (YAGEO): Recommended for non-automotive applications requiring moisture resistance and tighter tolerance.
AC1206FR-074K3L (YAGEO): Recommended for automotive applications with AEC-Q200 requirement and moisture resistance.
KTR18EZPF4301 (Rohm Semiconductor): Recommended for automotive applications with high voltage capability requirement.
RMCF1206FT4K30 (Stackpole Electronics Inc): Recommended for automotive applications with AEC-Q200 qualification.
CRCW12064K30FKEA (Vishay Dale): Recommended for automotive applications with AEC-Q200 qualification.

For Automotive Applications: AC1206JR-074K3L maintains the original ±5% tolerance while adding automotive AEC-Q200 certification. Upgrade options with ±1% tolerance and AEC-Q200 include AC1206FR-074K3L, KTR18EZPF4301, RMCF1206FT4K30, and CRCW12064K30FKEA.

Avoid: ERJ-8ENF4301V carries "Not For New Designs" product status and should not be selected for new circuit implementations.

Frequently Asked Questions (FAQ)

Q: Can RC1206JR-074K3L directly replace RC3216J432CS? A: Yes. RC1206JR-074K3L from YAGEO is a direct equivalent with identical resistance (4.3 kOhms), tolerance (±5%), power rating (0.25W), package (1206), and operating temperature range (-55°C ~ 155°C). Both components are RoHS3 compliant with MSL 1 rating.

Q: What is the difference between ±5% and ±1% tolerance substitutes? A: Tolerance defines the acceptable resistance variation from the nominal value. ±5% tolerance allows ±215 ohms variation from 4.3 kOhms (range 4.085–4.515 kOhms). ±1% tolerance allows ±43 ohms variation (range 4.257–4.343 kOhms). Upgrade substitutes with ±1% tolerance provide tighter resistance control for precision circuit applications.

Q: Are all substitute parts mechanically compatible with the 1206 package footprint? A: Yes. All listed substitute parts use the 1206 (3216 Metric) package with identical two-termination configuration. Physical dimensions vary slightly (length 3.10mm to 3.20mm, height 0.60mm to 0.70mm maximum seated), but all components fit standard 1206 PCB footprints.

Q: Which substitute parts have automotive AEC-Q200 qualification? A: AC1206JR-074K3L, AC1206FR-074K3L, ERJ-8ENF4301V, KTR18EZPF4301, RMCF1206FT4K30, and CRCW12064K30FKEA carry AEC-Q200 automotive qualification. RC3216J432CS and RC1206JR-074K3L do not include this certification.

Q: Can I use a ±1% tolerance part in place of a ±5% tolerance specification? A: Yes. A ±1% tolerance component meets or exceeds any ±5% tolerance requirement. The tighter tolerance represents improved performance and is electrically compatible with circuits designed for ±5% tolerance.

Q: What is the significance of "Moisture Resistant" feature? A: Moisture resistant thick film composition provides enhanced stability in humid environments. RC3216J432CS, RC1206JR-074K3L, AC1206JR-074K3L, AC1206FR-074K3L, and RC1206FR-074K3L explicitly include this feature. Other substitutes do not list this specification.

Q: Why is ERJ-8ENF4301V marked "Not For New Designs"? A: This product status indicates the manufacturer has discontinued active development and recommends alternative parts for new circuit implementations. Existing inventory may be available, but new designs should select from Active-status alternatives.

Q: What packaging options are available for these substitutes? A: RC3216J432CS is supplied in standard packaging. Direct equivalent RC1206JR-074K3L uses Tape & Reel (TR). Upgrade substitutes use Tape & Reel (TR) except CRCW12064K30FKEA, which uses Cut Tape (CT) & Digi-Reel®. Packaging selection depends on procurement volume and assembly process requirements.

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