RCS3216J274CS Equivalent & Substitute Parts Reference

Part Overview

The RCS3216J274CS is a 270 kOhms ±5% 0.25W thick film chip resistor manufactured by Samsung Electro-Mechanics in 1206 (3216 Metric) package format. This component features anti-sulfur and moisture-resistant construction, operating across -55°C to 155°C with a temperature coefficient of ±100ppm/°C. The part is ROHS3 compliant and carries MSL Level 1 (unlimited moisture sensitivity). With 772 pieces in current stock and active product status, this resistor serves general-purpose applications requiring standard tolerance specifications.

Equivalent and substitute parts are necessary when original inventory becomes unavailable, when design requirements shift toward higher tolerance specifications, or when automotive-grade certifications (AEC-Q200) are required for enhanced reliability in demanding applications.

Key Parameters

Parameter	Value	Substitution Relevance
Resistance Value	270 kOhms	Critical - must match exactly
Tolerance	±5%	Critical - determines circuit accuracy; tighter tolerance acceptable
Power Rating	0.25W (1/4W)	Critical - must match or exceed
Package Type	1206 (3216 Metric)	Critical - physical and electrical compatibility
Composition	Thick Film	Critical - determines electrical characteristics
Temperature Coefficient	±100ppm/°C	Important - affects performance stability
Operating Temperature Range	-55°C ~ 155°C	Important - must support application environment
RoHS Compliance	ROHS3 Compliant	Important - regulatory requirement
MSL Rating	1 (Unlimited)	Important - moisture handling capability

Substitute Part Grouping Explanation

Substitution logic for the RCS3216J274CS is based on strict electrical and mechanical parameter matching:

Critical Matching Parameters:

Resistance value: 270 kOhms (exact match required)
Power rating: 0.25W minimum (equal or higher acceptable)
Package: 1206 (3216 Metric) form factor
Composition: Thick film construction
Temperature coefficient: ±100ppm/°C
Operating temperature range: -55°C to 155°C minimum

Tolerance Substitution Logic: The RCS3216J274CS specifies ±5% tolerance. Substitute parts with ±1% tolerance are electrically compatible and provide superior accuracy, making them direct functional replacements. Parts with ±5% tolerance maintain identical circuit performance characteristics.

Compliance and Certification: All substitute parts maintain ROHS3 compliance and MSL Level 1 rating. Automotive-grade substitutes (AEC-Q200 certified) provide enhanced reliability for mission-critical applications while maintaining full electrical compatibility with standard-grade designs.

Product Status Consideration: The ERJ-8ENF2703V carries "Not For New Designs" status but remains functionally equivalent and available in inventory. This designation does not affect electrical performance or substitution validity for existing designs.

Parameter Comparison

Part Number	Manufacturer	Resistance	Tolerance	Power	Package	Temp Coeff	Op Temp Range	AEC-Q200	RoHS3	Product Status
RCS3216J274CS	Samsung Electro-Mechanics	270 kΩ	±5%	0.25W	1206	±100ppm/°C	-55~155°C	No	Yes	Active
AC1206FR-07270KL	YAGEO	270 kΩ	±1%	0.25W	1206	±100ppm/°C	-55~155°C	Yes	Yes	Active
AC1206JR-07270KL	YAGEO	270 kΩ	±5%	0.25W	1206	±100ppm/°C	-55~155°C	Yes	Yes	Active
CR1206-FX-2703ELF	Bourns Inc.	270 kΩ	±1%	0.25W	1206	±100ppm/°C	-55~155°C	No	Yes	Active
CRCW1206270KFKEA	Vishay Dale	270 kΩ	±1%	0.25W	1206	±100ppm/°C	-55~155°C	Yes	Yes	Active
ERJ-8ENF2703V	Panasonic Electronic Components	270 kΩ	±1%	0.25W	1206	±100ppm/°C	-55~155°C	Yes	Yes	Not For New Designs
KTR18EZPF2703	Rohm Semiconductor	270 kΩ	±1%	0.25W	1206	±100ppm/°C	-55~155°C	Yes	Yes	Active
RC1206FR-07270KL	YAGEO	270 kΩ	±1%	0.25W	1206	±100ppm/°C	-55~155°C	No	Yes	Active
RC1206JR-07270KL	YAGEO	270 kΩ	±5%	0.25W	1206	±100ppm/°C	-55~155°C	No	Yes	Active

Engineering Selection Recommendations

For Direct Tolerance-Matched Substitution (±5%): AC1206JR-07270KL and RC1206JR-07270KL provide identical tolerance specifications to the RCS3216J274CS. AC1206JR-07270KL adds AEC-Q200 automotive certification for applications requiring enhanced reliability. Both maintain active product status with substantial inventory availability (8313 and 5100 units respectively).

For Improved Tolerance Performance (±1%): AC1206FR-07270KL, CRCW1206270KFKEA, KTR18EZPF2703, and RC1206FR-07270KL offer ±1% tolerance, providing superior circuit accuracy while maintaining full electrical compatibility. All four parts are ROHS3 compliant. AC1206FR-07270KL, CRCW1206270KFKEA, and KTR18EZPF2703 carry AEC-Q200 certification. KTR18EZPF2703 features high-voltage construction and maintains the largest inventory (199,386 units).

For Automotive Applications: AC1206FR-07270KL, AC1206JR-07270KL, CRCW1206270KFKEA, ERJ-8ENF2703V, and KTR18EZPF2703 all carry AEC-Q200 certification. CRCW1206270KFKEA and KTR18EZPF2703 are recommended for new automotive designs due to active product status and high inventory levels.

For Legacy Design Continuity: RC1206FR-07270KL and RC1206JR-07270KL maintain YAGEO RC_L series compatibility without automotive certification, suitable for non-automotive applications requiring standard industrial reliability.

Inventory Considerations: KTR18EZPF2703 (199,386 units) and CRCW1206270KFKEA (15,769 units) offer maximum supply security. AC1206JR-07270KL (8,313 units) and AC1206FR-07270KL (6,785 units) provide YAGEO alternatives with strong availability.

Frequently Asked Questions (FAQ)

Q: Can I substitute a ±1% tolerance part for the ±5% RCS3216J274CS? A: Yes. The ±1% tolerance parts (AC1206FR-07270KL, CRCW1206270KFKEA, KTR18EZPF2703, RC1206FR-07270KL) are direct functional replacements. Tighter tolerance provides superior circuit accuracy without any compatibility issues. The 270 kOhms resistance value, 0.25W power rating, 1206 package, and operating temperature range remain identical.

Q: What is the difference between AEC-Q200 certified and non-certified parts? A: AEC-Q200 certification indicates the part meets automotive industry reliability standards including enhanced testing, qualification, and traceability requirements. Non-certified parts (CR1206-FX-2703ELF, RC1206FR-07270KL, RC1206JR-07270KL) are electrically equivalent but lack automotive-grade validation. Use AEC-Q200 parts for automotive, aerospace, or mission-critical applications.

Q: Are all substitute parts physically identical to the RCS3216J274CS? A: All substitute parts use the 1206 (3216 Metric) package with identical electrical footprint. Physical dimensions vary slightly: Samsung/Bourns/Panasonic/Rohm parts measure 3.20mm × 1.60mm; YAGEO parts measure 3.10mm × 1.60mm. These variations fall within standard PCB design tolerances and do not affect placement or soldering.

Q: Why is ERJ-8ENF2703V marked "Not For New Designs"? A: This designation indicates Panasonic has discontinued active development for this part number. However, it remains functionally equivalent and available in inventory (4,955 units). Use this part only for existing design maintenance or when other alternatives are unavailable. For new designs, select from active-status alternatives.

Q: Which substitute offers the best value for high-volume production? A: KTR18EZPF2703 combines active product status, AEC-Q200 certification, high-voltage construction, ±1% tolerance, and exceptional inventory depth (199,386 units). This combination ensures supply continuity and cost efficiency for large-scale manufacturing.

Q: Can I mix different substitute parts in the same circuit board? A: Yes. All substitute parts meet identical electrical specifications for the 270 kOhms resistance value, 0.25W power rating, ±100ppm/°C temperature coefficient, and -55°C to 155°C operating range. Mixing manufacturers and tolerance grades within the same design is electrically valid, though single-source procurement is recommended for manufacturing consistency.

Q: What is MSL Level 1 and why does it matter? A: MSL (Moisture Sensitivity Level) 1 indicates unlimited shelf life without moisture-controlled storage requirements. All listed parts carry MSL Level 1, meaning they can be stored and handled under standard industrial conditions without special desiccant packaging or baking procedures before soldering.

Q: Are all substitute parts ROHS3 compliant? A: Yes. All nine substitute parts listed carry ROHS3 compliance certification, meeting EU Restriction of Hazardous Substances requirements. This ensures compatibility with modern manufacturing standards and regulatory requirements across global markets.

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