RC3216J3R9CS Equivalent & Substitute Parts Reference

Part Overview

The RC3216J3R9CS is a 3.9 Ohm ±5% 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 characteristics and unlimited moisture sensitivity level (MSL 1). The RC3216J3R9CS serves as a standard current-limiting and signal conditioning resistor in consumer and industrial electronics applications. Equivalent and substitute parts are identified to support supply chain continuity, design flexibility, and application-specific performance requirements where tolerance, temperature coefficient, or automotive qualification may be beneficial.

Substiute Parts

RC3216J3R9CS

Samsung Electro-MechanicsIn Stock: 728RC3216J3R9CS Datasheet

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ERJ-8RQF3R9V

Panasonic Electronic ComponentsIn Stock: 10799ERJ-8RQF3R9V Datasheet

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ERJ-8RQJ3R9V

Panasonic Electronic ComponentsIn Stock: 55745ERJ-8RQJ3R9V Datasheet

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RC1206FR-073R9L

YAGEOIn Stock: 2307RC1206FR-073R9L Datasheet

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RC1206JR-073R9L

YAGEOIn Stock: 44508RC1206JR-073R9L Datasheet

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RMCF1206JT3R90

Stackpole Electronics IncIn Stock: 230823RMCF1206JT3R90 Datasheet

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Key Parameters

Substitute Part Grouping Explanation

Substitute parts for the RC3216J3R9CS are grouped based on strict electrical and mechanical compatibility criteria. All substitute parts maintain the following core parameters:

Mandatory Compatibility Parameters:

• Resistance value: 3.9 Ohms
• Power rating: 0.25W (1/4W)
• Package format: 1206 (3216 Metric)
• Composition: Thick Film
• Operating temperature range: -55°C ~ 155°C
• RoHS3 compliance
• MSL 1 rating

Substitution Categories:

Category 1: Direct Tolerance Match (±5%) Parts maintaining ±5% tolerance specification identical to the main part: ERJ-8RQJ3R9V, RC1206JR-073R9L, RMCF1206JT3R90

Category 2: Enhanced Tolerance (±1%) Parts offering improved tolerance specification of ±1%: ERJ-8RQF3R9V, RC1206FR-073R9L

All substitute parts are Active product status with identical electrical performance within specified operating conditions.

Parameter Comparison

Engineering Selection Recommendations

For Direct Replacement (Identical Specifications): ERJ-8RQJ3R9V, RC1206JR-073R9L, and RMCF1206JT3R90 maintain identical electrical specifications to the RC3216J3R9CS with ±5% tolerance and ±300ppm/°C equivalent temperature performance. These parts are suitable for applications where the original specification is required without modification.

For Enhanced Tolerance Applications: ERJ-8RQF3R9V and RC1206FR-073R9L offer ±1% tolerance with improved temperature coefficient of ±200ppm/°C. These parts are applicable in precision current-sensing circuits and applications requiring tighter resistance accuracy.

For Automotive Applications: ERJ-8RQJ3R9V, ERJ-8RQF3R9V, and RMCF1206JT3R90 carry AEC-Q200 automotive qualification. These parts are suitable for automotive and industrial applications requiring automotive-grade component certification.

Packaging Considerations: All substitute parts are available in Tape & Reel (TR) format suitable for automated assembly. RC1206FR-073R9L is additionally available in Cut Tape (CT) & Digi-Reel® format for lower-volume applications.

Compliance and Regulatory: All substitute parts maintain ROHS3 compliance, MSL 1 rating, and REACH unaffected status identical to the main part. No regulatory or compliance barriers exist for substitution.

Frequently Asked Questions (FAQ)

Q: Can ERJ-8RQF3R9V replace RC3216J3R9CS in all applications? A: ERJ-8RQF3R9V is electrically compatible with RC3216J3R9CS in applications where ±1% tolerance and ±200ppm/°C temperature coefficient are acceptable. The improved tolerance specification does not create incompatibility with circuits designed for ±5% tolerance. Physical package dimensions are identical (1206 format), and thermal operating range is identical (-55°C ~ 155°C).

Q: What is the difference between ±5% and ±1% tolerance specifications? A: Tolerance specification defines the maximum deviation of actual resistance value from the nominal 3.9 Ohm specification. ±5% tolerance allows deviation between 3.705 and 4.095 Ohms. ±1% tolerance restricts deviation between 3.861 and 3.939 Ohms. Applications requiring precise current sensing or impedance matching benefit from ±1% tolerance parts.

Q: Are AEC-Q200 rated parts suitable for non-automotive applications? A: AEC-Q200 automotive qualification indicates enhanced reliability testing and quality assurance. These parts are suitable for any application, including non-automotive, where the enhanced qualification is not detrimental. ERJ-8RQJ3R9V, ERJ-8RQF3R9V, and RMCF1206JT3R90 carry this qualification.

Q: What is the significance of temperature coefficient ±300ppm/°C versus ±200ppm/°C? A: Temperature coefficient defines resistance value change per degree Celsius within the operating temperature range. RC3216J3R9CS with ±300ppm/°C exhibits maximum resistance change of 0.0117 Ohms across the full -55°C to 155°C range. Substitute parts with ±200ppm/°C exhibit maximum change of 0.0078 Ohms. Applications with wide temperature operation benefit from lower temperature coefficient values.

Q: Are all substitute parts available in equivalent packaging formats? A: Substitute parts are primarily available in Tape & Reel (TR) format for automated assembly. RC1206FR-073R9L is additionally available in Cut Tape (CT) & Digi-Reel® format. All parts maintain identical 1206 (3216 Metric) package dimensions and footprint compatibility.

Q: What inventory availability should be considered for part selection? A: Inventory levels vary by manufacturer and distributor. RMCF1206JT3R90 shows highest inventory (230,758 Pcs), followed by RC1206JR-073R9L (44,403 Pcs) and ERJ-8RQJ3R9V (55,701 Pcs). Inventory status should be verified with current suppliers for production requirements.

Q: Can substitute parts be mixed in the same assembly? A: All substitute parts maintain identical electrical performance within specified parameters and identical package format. Mixed usage in the same assembly is permissible where circuit design does not require matched resistance values across multiple components.