RC3216F1431CS Equivalent & Substitute Parts Reference

Part Overview

The RC3216F1431CS is a 1.43 kOhms ±1% 0.25W thick film chip resistor manufactured by Samsung Electro-Mechanics in 1206 (3216 Metric) package format. This component is classified as Active product status with moisture-resistant construction and ROHS3 compliance. Equivalent and substitute parts are identified when electrical specifications, mechanical dimensions, and environmental ratings align within acceptable tolerances for direct circuit board replacement without design modification.

Key Parameters

Parameter	Value	Unit
Resistance	1.43	kOhms
Tolerance	±1%	-
Power Rating	0.25	W (1/4W)
Package / Case	1206 (3216 Metric)	-
Composition	Thick Film	-
Temperature Coefficient	±100	ppm/°C
Operating Temperature Range	-55 to 155	°C
Moisture Sensitivity Level	1 (Unlimited)	-
RoHS Status	ROHS3 Compliant	-

Substitute Part Grouping Explanation

Substitution eligibility is determined by strict alignment of the following parameters:

Critical Matching Parameters:

Resistance value: 1.43 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

All identified substitute parts meet these electrical and mechanical criteria. Substitute parts are categorized by manufacturer and product status classification.

Parameter Comparison

Manufacturer Part Number	Manufacturer	Resistance (kOhms)	Tolerance	Power (W)	Package	Temp Coeff (ppm/°C)	Operating Temp (°C)	Product Status	RoHS	MSL
RC3216F1431CS	Samsung Electro-Mechanics	1.43	±1%	0.25	1206	±100	-55 to 155	Active	ROHS3	1
RC1206FR-071K43L	YAGEO	1.43	±1%	0.25	1206	±100	-55 to 155	Active	ROHS3	1
AC1206FR-071K43L	YAGEO	1.43	±1%	0.25	1206	±100	-55 to 155	Active	ROHS3	1
CRCW12061K43FKEA	Vishay Dale	1.43	±1%	0.25	1206	±100	-55 to 155	Active	ROHS3	1
ERJ-8ENF1431V	Panasonic Electronic Components	1.43	±1%	0.25	1206	±100	-55 to 155	Not For New Designs	ROHS3	1

Engineering Selection Recommendations

Active Status Parts (Recommended for New Designs):

RC1206FR-071K43L (YAGEO) and AC1206FR-071K43L (YAGEO) are both classified as Active product status. RC1206FR-071K43L provides direct electrical and mechanical equivalence. AC1206FR-071K43L includes automotive AEC-Q200 qualification, suitable for applications requiring automotive-grade reliability.

CRCW12061K43FKEA (Vishay Dale) is classified as Active with automotive AEC-Q200 qualification and represents an alternative from a major resistor manufacturer.

Discontinued Status Parts (Not Recommended for New Designs):

ERJ-8ENF1431V (Panasonic Electronic Components) is classified as Not For New Designs. This part meets all electrical and mechanical specifications but should not be selected for new circuit designs due to product lifecycle status.

Selection Criteria:

For standard applications without automotive requirements, RC1206FR-071K43L or CRCW12061K43FKEA provide equivalent performance. For automotive applications requiring AEC-Q200 compliance, AC1206FR-071K43L or CRCW12061K43FKEA are appropriate selections. Avoid ERJ-8ENF1431V for new designs.

Frequently Asked Questions (FAQ)

Q: What makes a part a valid substitute for RC3216F1431CS?

A: A substitute part must match all critical electrical parameters (1.43 kOhms resistance, ±1% tolerance, 0.25W power rating), mechanical package (1206/3216 Metric), composition (thick film), temperature characteristics (±100ppm/°C, -55°C to 155°C operating range), and compliance certifications (ROHS3, MSL 1).

Q: Are there dimensional differences between substitute parts?

A: Minor dimensional variations exist within the 1206 package specification. RC3216F1431CS and ERJ-8ENF1431V measure 0.126" L × 0.063" W (3.20mm × 1.60mm). RC1206FR-071K43L, AC1206FR-071K43L, and CRCW12061K43FKEA measure 0.122" L × 0.063" W (3.10mm × 1.60mm). Height variations range from 0.024" to 0.028" (0.60mm to 0.70mm). These variations remain within 1206 package tolerance and do not affect circuit board assembly compatibility.

Q: Can ERJ-8ENF1431V be used as a substitute?

A: ERJ-8ENF1431V meets all electrical and mechanical specifications. However, it is classified as Not For New Designs. Use this part only in legacy system maintenance or repair applications where the original part is no longer available.

Q: What is the difference between RC1206FR-071K43L and AC1206FR-071K43L?

A: Both are YAGEO products with identical electrical specifications. AC1206FR-071K43L includes automotive AEC-Q200 qualification, making it suitable for automotive applications. RC1206FR-071K43L is the standard industrial-grade equivalent without automotive certification.

Q: Are all substitute parts ROHS3 compliant?

A: Yes. All identified substitute parts are ROHS3 compliant with MSL 1 (Unlimited) moisture sensitivity level, matching the compliance profile of RC3216F1431CS.

Q: Which substitute offers the highest inventory availability?

A: CRCW12061K43FKEA (Vishay Dale) has 26,953 pieces in stock. ERJ-8ENF1431V (Panasonic) has 34,378 pieces. RC1206FR-071K43L (YAGEO) has 10,892 pieces. RC3216F1431CS (Samsung) has 710 pieces.

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