RC3216F3483CS 348kΩ ±1% 1/4W 1206 Chip Resistor Equivalent & Substitute Parts

Part Overview

The RC3216F3483CS is a 348 kΩ thick film chip resistor manufactured by Samsung Electro-Mechanics in the 1206 (3216 Metric) package. This component is rated for 0.25W power dissipation with ±1% tolerance and operates across the temperature range of -55°C to 155°C. The part is currently in Active product status with moisture-resistant characteristics and ROHS3 compliance.

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

Key Parameters

Parameter	Value	Substitution Relevance
Resistance Value	348 kΩ	Critical - must match exactly
Tolerance	±1%	Critical - determines circuit accuracy
Power Rating	0.25W (1/4W)	Critical - thermal performance requirement
Package / Case	1206 (3216 Metric)	Critical - PCB footprint compatibility
Composition	Thick Film	Critical - electrical characteristics and stability
Temperature Coefficient	±100ppm/°C	Important - temperature stability
Operating Temperature Range	-55°C to 155°C	Important - environmental compatibility
Moisture Sensitivity Level (MSL)	1 (Unlimited)	Important - handling and storage requirements
RoHS Status	ROHS3 Compliant	Important - regulatory compliance

Substitute Part Grouping Explanation

Substitution relationships for the RC3216F3483CS are established based on strict electrical and mechanical parameter matching. All substitute parts maintain identical resistance value (348 kΩ), tolerance (±1%), power rating (0.25W), package format (1206), composition (thick film), temperature coefficient (±100ppm/°C), operating temperature range (-55°C to 155°C), MSL rating (1), and RoHS3 compliance.

Substitute parts are categorized as follows:

Direct Substitutes - Parts with identical core specifications and equivalent performance characteristics across all critical parameters.

Similar Substitutes - Parts meeting all electrical and mechanical requirements with additional features or certifications (such as AEC-Q200 automotive qualification or anti-sulfur protection) that do not compromise compatibility.

The following key parameters determine substitution eligibility:

Resistance: 348 kΩ (exact match required)
Tolerance: ±1% (exact match required)
Power: 0.25W (exact match required)
Package: 1206 (3216 Metric) (exact match required)
Composition: Thick Film (exact match required)
Temperature Coefficient: ±100ppm/°C (exact match required)
Operating Temperature: -55°C to 155°C (exact match required)

Parameter Comparison

Manufacturer Part Number	Manufacturer	Resistance	Tolerance	Power (W)	Package	Composition	Temp Coeff (ppm/°C)	Op. Temp Range (°C)	Features	Product Status	RoHS3	MSL
RC3216F3483CS	Samsung Electro-Mechanics	348 kΩ	±1%	0.25	1206	Thick Film	±100	-55 to 155	Moisture Resistant	Active	Yes	1
ERJ-8ENF3483V	Panasonic Electronic Components	348 kΩ	±1%	0.25	1206	Thick Film	±100	-55 to 155	Automotive AEC-Q200	Not For New Designs	Yes	1
RC1206FR-07348KL	YAGEO	348 kΩ	±1%	0.25	1206	Thick Film	±100	-55 to 155	Moisture Resistant	Active	Yes	1
RMCF1206FT348K	Stackpole Electronics Inc	348 kΩ	±1%	0.25	1206	Thick Film	±100	-55 to 155	Automotive AEC-Q200	Active	Yes	1
CRCW1206348KFKEA	Vishay Dale	348 kΩ	±1%	0.25	1206	Thick Film	±100	-55 to 155	Automotive AEC-Q200	Active	Yes	1
KTR18EZPF3483	Rohm Semiconductor	348 kΩ	±1%	0.25	1206	Thick Film	±100	-55 to 155	Automotive AEC-Q200, High Voltage	Active	Yes	1
RMCS1206FT348K	Stackpole Electronics Inc	348 kΩ	±1%	0.25	1206	Thick Film	±100	-55 to 155	Anti-Sulfur	Active	Yes	1

Engineering Selection Recommendations

For General Industrial Applications: RC1206FR-07348KL (YAGEO) is an Active product with moisture-resistant characteristics matching the original RC3216F3483CS specification. Both parts maintain identical electrical parameters and ROHS3 compliance.

For Automotive Applications: RMCF1206FT348K (Stackpole Electronics Inc), CRCW1206348KFKEA (Vishay Dale), and KTR18EZPF3483 (Rohm Semiconductor) are all Active products with AEC-Q200 automotive qualification. These parts meet all electrical and mechanical requirements of the RC3216F3483CS while providing automotive-grade reliability certification.

For Harsh Environmental Conditions: RMCS1206FT348K (Stackpole Electronics Inc) provides anti-sulfur protection in addition to standard thick film characteristics, suitable for applications requiring enhanced environmental resistance.

For Legacy System Maintenance: ERJ-8ENF3483V (Panasonic Electronic Components) is marked as "Not For New Designs" but remains electrically and mechanically compatible with the RC3216F3483CS. This part is suitable only for replacement in existing systems where original specifications must be maintained.

All substitute parts listed maintain ROHS3 compliance and MSL rating of 1 (Unlimited), ensuring regulatory conformance and simplified handling requirements.

Frequently Asked Questions (FAQ)

Q: Can ERJ-8ENF3483V be used as a direct replacement for RC3216F3483CS?

A: Yes, ERJ-8ENF3483V meets all electrical and mechanical specifications of RC3216F3483CS. However, ERJ-8ENF3483V is marked "Not For New Designs," indicating it is suitable only for replacement applications in existing systems, not for new product development.

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

A: Moisture-resistant variants (RC3216F3483CS, RC1206FR-07348KL) are optimized for environmental protection against humidity. Automotive AEC-Q200 variants (RMCF1206FT348K, CRCW1206348KFKEA, KTR18EZPF3483) meet automotive industry reliability and qualification standards. Both types maintain identical electrical parameters and are mechanically compatible.

Q: Are all substitute parts available in the same packaging format?

A: All substitute parts are available in 1206 (3216 Metric) package format with identical footprint dimensions (0.126" L x 0.063" W or 3.20mm x 1.60mm). Minor variations in seated height (0.024" to 0.028") do not affect PCB assembly compatibility.

Q: What does MSL 1 (Unlimited) mean for component handling?

A: MSL 1 (Unlimited) indicates the component has unlimited shelf life and does not require special moisture control during storage or handling. No baking or desiccant storage is required before assembly.

Q: Can KTR18EZPF3483 be used in non-automotive applications?

A: Yes, KTR18EZPF3483 exceeds the specifications of RC3216F3483CS with automotive AEC-Q200 qualification and high voltage capability. It is fully compatible with general industrial applications and provides additional performance margin.

Q: What is the significance of anti-sulfur protection in RMCS1206FT348K?

A: Anti-sulfur protection prevents degradation of resistor performance in environments with hydrogen sulfide exposure. RMCS1206FT348K maintains all electrical specifications of RC3216F3483CS while providing enhanced environmental resistance for harsh industrial or marine applications.

Q: Are all substitute parts ROHS3 compliant?

A: Yes, all substitute parts listed are ROHS3 compliant, matching the regulatory status of RC3216F3483CS. All parts are suitable for applications requiring RoHS compliance.

Q: What inventory considerations apply to these substitute parts?

A: RC3216F3483CS has 720 pieces in stock. Substitute parts with higher inventory availability include RC1206FR-07348KL (31,989 pcs), ERJ-8ENF3483V (22,764 pcs), and CRCW1206348KFKEA (10,623 pcs). Inventory levels should be verified at time of procurement.

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