RC3216J244CS Equivalent & Substitute Parts Reference

Part Overview

The RC3216J244CS is a 240 kOhms ±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 part is ROHS3 compliant and REACH unaffected, making it suitable for commercial and industrial applications requiring standard tolerance resistive elements.

Substitute parts are necessary when the original manufacturer part becomes unavailable, when design requirements demand enhanced tolerance specifications, or when application-specific certifications such as automotive AEC-Q200 qualification are required.

Key Parameters

Parameter	Value	Substitution Relevance
Resistance Value	240 kOhms	Critical - must match exactly
Tolerance	±5%	Critical - determines accuracy class
Power Rating	0.25W (1/4W)	Critical - must match or exceed
Package Type	1206 (3216 Metric)	Critical - determines PCB footprint compatibility
Composition	Thick Film	Critical - defines electrical characteristics
Temperature Coefficient	±100ppm/°C	Important - affects performance stability
Operating Temperature Range	-55°C ~ 155°C	Important - defines environmental limits
RoHS Status	ROHS3 Compliant	Important - regulatory requirement
Moisture Sensitivity Level	MSL 1 (Unlimited)	Important - handling and storage requirements

Substitute Part Grouping Explanation

Substitute parts for the RC3216J244CS are categorized based on the following substitution logic:

Direct Equivalent (Same Tolerance ±5%): Parts maintaining the original ±5% tolerance specification while preserving all critical electrical and mechanical parameters. These parts are functionally interchangeable without design modification.

Upgrade Equivalents (Enhanced Tolerance ±1%): Parts offering improved tolerance specification (±1% versus ±5%) while maintaining identical resistance value, power rating, package format, and operating temperature range. These parts provide superior accuracy and are backward compatible with designs specified for ±5% tolerance.

Similar Parts (Same Tolerance with Enhanced Features): Parts matching the original ±5% tolerance and core specifications but incorporating additional certifications such as automotive AEC-Q200 qualification or alternative packaging formats.

Critical Matching Parameters:

Resistance: 240 kOhms (exact match required)
Power Rating: 0.25W minimum (equal or greater acceptable)
Package: 1206 (3216 Metric) (exact match required for PCB compatibility)
Composition: Thick Film (required for electrical performance)
Temperature Range: -55°C to 155°C minimum (equal or greater acceptable)
RoHS Compliance: ROHS3 (required for regulatory compliance)

Parameter Comparison

Part Number	Manufacturer	Resistance	Tolerance	Power	Package	Temp Coeff	Temp Range	Features	Product Status
RC3216J244CS	Samsung Electro-Mechanics	240 kΩ	±5%	0.25W	1206	±100ppm/°C	-55~155°C	Moisture Resistant	Active
RC1206JR-07240KL	YAGEO	240 kΩ	±5%	0.25W	1206	±100ppm/°C	-55~155°C	Moisture Resistant	Active
CR1206-FX-2403ELF	Bourns Inc.	240 kΩ	±1%	0.25W	1206	±100ppm/°C	-55~155°C	Moisture Resistant	Active
ERJ-8ENF2403V	Panasonic Electronic Components	240 kΩ	±1%	0.25W	1206	±100ppm/°C	-55~155°C	Automotive AEC-Q200	Not For New Designs
KTR18EZPF2403	Rohm Semiconductor	240 kΩ	±1%	0.25W	1206	±100ppm/°C	-55~155°C	Automotive AEC-Q200, High Voltage	Active
MCR18ERTF2403	Rohm Semiconductor	240 kΩ	±1%	0.25W	1206	±100ppm/°C	-55~155°C	Standard	Discontinued at DiGi Electronics
RC1206FR-07240KL	YAGEO	240 kΩ	±1%	0.25W	1206	±100ppm/°C	-55~155°C	Moisture Resistant	Active
RMCF1206FT240K	Stackpole Electronics Inc	240 kΩ	±1%	0.25W	1206	±100ppm/°C	-55~155°C	Automotive AEC-Q200	Active
AC1206JR-07240KL	YAGEO	240 kΩ	±5%	0.25W	1206	±100ppm/°C	-55~155°C	Automotive AEC-Q200, Moisture Resistant	Active
CRCW1206240KFKEA	Vishay Dale	240 kΩ	±1%	0.25W	1206	±100ppm/°C	-55~155°C	Automotive AEC-Q200	Active

Engineering Selection Recommendations

For Direct Replacement (Identical Specifications): RC1206JR-07240KL (YAGEO) is the primary direct equivalent, offering identical electrical specifications, tolerance, and package format with active product status and high inventory availability (390,874 units).

For Enhanced Accuracy Applications: When circuit design requires improved tolerance performance, the following ±1% tolerance parts are backward compatible with the original ±5% specification:

RC1206FR-07240KL (YAGEO) - Active status, moisture resistant, 46,826 units available
CR1206-FX-2403ELF (Bourns Inc.) - Active status, 29,737 units available
CRCW1206240KFKEA (Vishay Dale) - Active status, AEC-Q200 certified, 4,106 units available

For Automotive Applications: When AEC-Q200 automotive qualification is required:

RMCF1206FT240K (Stackpole Electronics Inc.) - Active status, ±1% tolerance, 3,156 units available
KTR18EZPF2403 (Rohm Semiconductor) - Active status, ±1% tolerance, high voltage rated, 54,321 units available
CRCW1206240KFKEA (Vishay Dale) - Active status, ±1% tolerance, 4,106 units available
AC1206JR-07240KL (YAGEO) - Active status, maintains ±5% tolerance, 10,359 units available

Parts to Avoid for New Designs:

ERJ-8ENF2403V (Panasonic) - Marked "Not For New Designs"
MCR18ERTF2403 (Rohm) - Discontinued at DiGi Electronics

Regulatory Compliance: All listed substitute parts maintain ROHS3 compliance and REACH unaffected status, matching the original part's regulatory requirements.

Frequently Asked Questions (FAQ)

Q: Can I use a ±1% tolerance part as a substitute for the ±5% RC3216J244CS?

A: Yes. Parts with ±1% tolerance are backward compatible with designs specified for ±5% tolerance. The tighter tolerance provides superior accuracy without requiring circuit redesign. All ±1% alternatives listed maintain identical resistance value, power rating, package format, and operating temperature range.

Q: What is the difference between direct equivalents and upgrade equivalents?

A: Direct equivalents (RC1206JR-07240KL, AC1206JR-07240KL) maintain the original ±5% tolerance specification. Upgrade equivalents offer improved ±1% tolerance while preserving all other critical parameters. Both categories are electrically and mechanically interchangeable.

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

A: Yes. All listed substitute parts use the 1206 (3216 Metric) package format, ensuring identical PCB footprint compatibility and no layout modifications required.

Q: Which substitute part should I select for automotive applications?

A: For automotive use, select parts with AEC-Q200 certification: RMCF1206FT240K, KTR18EZPF2403, CRCW1206240KFKEA, or AC1206JR-07240KL. These parts meet automotive qualification standards while maintaining the required electrical specifications.

Q: What is the significance of moisture sensitivity level (MSL 1)?

A: MSL 1 indicates unlimited shelf life without moisture baking requirements. All substitute parts listed maintain MSL 1 rating, eliminating special storage or handling procedures.

Q: Can I substitute parts with different temperature coefficients?

A: No. All listed substitute parts maintain the ±100ppm/°C temperature coefficient matching the original RC3216J244CS. This parameter is critical for temperature stability and cannot be altered without circuit redesign.

Q: Why is product status important in part selection?

A: Active status indicates ongoing manufacturing and availability. Parts marked "Not For New Designs" or "Discontinued" should be avoided for new circuit development. All recommended primary substitutes maintain Active status.

Q: Are there any dimensional differences between substitute parts?

A: Minor dimensional variations exist within the 1206 package specification. All parts maintain the same footprint compatibility. Height variations (0.024" to 0.030" maximum seated height) are within standard PCB assembly tolerances and do not affect functionality.

Q: What inventory levels should I consider for supply chain planning?

A: RC1206JR-07240KL offers the highest availability (390,874 units), providing supply security. Alternative sources with substantial inventory include KTR18EZPF2403 (54,321 units) and ERJ-8ENF2403V (80,633 units), though the latter is not recommended for new designs.

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