RC3216F3093CS Equivalent & Substitute Parts Reference

Part Overview

The RC3216F3093CS is a 309 kOhms ±1% 0.25W chip resistor in 1206 (3216 Metric) package manufactured by Samsung Electro-Mechanics. This thick film, moisture-resistant resistor operates across -55°C to 155°C and is ROHS3 compliant with MSL 1 rating. The part is currently in active production status with 943 pieces available in inventory. Equivalent and substitute parts are identified for applications requiring alternative sourcing, inventory management, or specific feature requirements such as automotive qualification.

Key Parameters

Parameter	Value
Resistance	309 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
Moisture Sensitivity Level	1 (Unlimited)
RoHS Status	ROHS3 Compliant

Substitute Part Grouping Explanation

Substitution eligibility for the RC3216F3093CS is determined by strict equivalence across the following parameters:

Critical Matching Parameters:

Resistance value: 309 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 ~ 155°C
Moisture sensitivity level: 1 (Unlimited)
RoHS compliance: ROHS3

All identified substitute parts meet these core electrical and mechanical parameters. Variations exist in physical dimensions (height-seated), packaging format (Tape & Reel), and feature additions (automotive AEC-Q200 qualification). These variations do not affect functional equivalence in standard applications but may influence selection based on specific design requirements or supply chain constraints.

Parameter Comparison

Manufacturer Part Number	Manufacturer	Resistance	Tolerance	Power (W)	Package	Temp Coeff (ppm/°C)	Op. Temp Range (°C)	Height Max (mm)	Features	Product Status
RC3216F3093CS	Samsung Electro-Mechanics	309 kOhms	±1%	0.25	1206	±100	-55 ~ 155	0.66	Moisture Resistant	Active
CR1206-FX-3093ELF	Bourns Inc.	309 kOhms	±1%	0.25	1206	±100	-55 ~ 155	0.75	Moisture Resistant	Active
RC1206FR-07309KL	YAGEO	309 kOhms	±1%	0.25	1206	±100	-55 ~ 155	0.65	Moisture Resistant	Active
CRCW1206309KFKEA	Vishay Dale	309 kOhms	±1%	0.25	1206	±100	-55 ~ 155	0.60	Automotive AEC-Q200	Active
ERJ-8ENF3093V	Panasonic Electronic Components	309 kOhms	±1%	0.25	1206	±100	-55 ~ 155	0.70	Automotive AEC-Q200	Not For New Designs

Engineering Selection Recommendations

Direct Substitutes (Active Status):

CR1206-FX-3093ELF (Bourns Inc.) and RC1206FR-07309KL (YAGEO) are direct functional equivalents with active product status. Both maintain identical electrical specifications and moisture resistance characteristics. Selection between these and the primary part depends on supply availability and procurement lead times.

Enhanced Feature Alternatives (Active Status):

CRCW1206309KFKEA (Vishay Dale) provides automotive AEC-Q200 qualification in addition to standard specifications. This part is suitable for applications requiring automotive-grade reliability and is recommended for designs targeting automotive environments or requiring AEC-Q200 compliance.

Legacy Consideration:

ERJ-8ENF3093V (Panasonic Electronic Components) carries "Not For New Designs" status despite meeting all electrical and mechanical parameters. This designation indicates the manufacturer is discontinuing the product line. While functionally equivalent, this part should not be selected for new designs or long-term production requirements.

Frequently Asked Questions (FAQ)

Q: Can CR1206-FX-3093ELF replace RC3216F3093CS directly?

A: Yes. Both parts share identical resistance (309 kOhms), tolerance (±1%), power rating (0.25W), package (1206), temperature coefficient (±100ppm/°C), and operating range (-55°C ~ 155°C). The height difference (0.75mm vs 0.66mm) is within standard PCB assembly tolerances and does not affect electrical performance.

Q: What is the difference between moisture-resistant and automotive AEC-Q200 variants?

A: The primary part and YAGEO/Bourns substitutes feature moisture resistance for general industrial applications. CRCW1206309KFKEA and ERJ-8ENF3093V add automotive AEC-Q200 qualification, which certifies reliability under automotive environmental and operational stresses. AEC-Q200 parts are suitable for both automotive and general industrial use.

Q: Why is ERJ-8ENF3093V marked "Not For New Designs"?

A: This designation indicates Panasonic has discontinued this product line. While the part remains functionally equivalent and in stock, it should not be selected for new product designs or applications requiring long-term supply assurance.

Q: Are all substitute parts available in Tape & Reel packaging?

A: Yes. All identified substitutes are supplied in Tape & Reel (TR) format, suitable for automated assembly processes. The primary part RC3216F3093CS is supplied in standard packaging format.

Q: Can these parts be used interchangeably on the same PCB?

A: Yes, within standard PCB design tolerances. All parts conform to 1206 (3216 Metric) package specifications. Height variations (0.60mm to 0.75mm) are accommodated by standard PCB assembly equipment and do not affect electrical performance or mechanical fit.

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

A: RC1206FR-07309KL (YAGEO) shows the highest inventory level (133,118 pieces) among substitutes, indicating strong supply continuity. CRCW1206309KFKEA (Vishay Dale) with 19,243 pieces also provides reliable availability for automotive-qualified applications.

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