RCS3216F2553CS Equivalent & Substitute Parts Reference

Part Overview

The RCS3216F2553CS is a 255 kOhms ±1% 0.25W thick film chip resistor in 1206 (3216 Metric) package manufactured by Samsung Electro-Mechanics. This component is classified as Active product status with anti-sulfur and moisture-resistant characteristics. The part is ROHS3 compliant with unlimited moisture sensitivity level (MSL 1) and operates across -55°C to 155°C temperature range.

Substitute parts are identified when equivalent electrical specifications, mechanical dimensions, and compliance certifications align with the main part's functional requirements. Substitution becomes necessary due to inventory availability, supply chain optimization, or design flexibility across multiple qualified suppliers.

Key Parameters

Parameter	Specification
Resistance Value	255 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
RoHS Status	ROHS3 Compliant
Moisture Sensitivity Level	1 (Unlimited)
Number of Terminations	2

Substitute Part Grouping Explanation

Substitute parts for the RCS3216F2553CS are qualified based on strict electrical and mechanical parameter alignment:

Primary Substitution Criteria:

Resistance value: 255 kOhms (exact match required)
Tolerance: ±1% (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 ~ 155°C (exact match required)
RoHS Status: ROHS3 Compliant (exact match required)
Moisture Sensitivity Level: 1 (exact match required)

Secondary Considerations:

Power rating: 0.25W standard; 0.75W variants acceptable for applications with higher pulse withstanding requirements
Product Status: Active preferred; Not For New Designs acceptable for existing designs
Automotive qualification (AEC-Q200): Optional feature; presence does not restrict substitution
Packaging format: Tape & Reel (TR) or Cut Tape (CT) formats are interchangeable in manufacturing processes

All identified substitutes maintain identical electrical performance and thermal characteristics within the specified operating envelope.

Parameter Comparison

Parameter	RCS3216F2553CS (Samsung)	CR1206-FX-2553ELF (Bourns)	CRCW1206255KFKEA (Vishay)	CRCW1206255KFKEAHP (Vishay)	ERJ-8ENF2553V (Panasonic)	KTR18EZPF2553 (Rohm)	RC1206FR-07255KL (YAGEO)
Resistance	255 kOhms	255 kOhms	255 kOhms	255 kOhms	255 kOhms	255 kOhms	255 kOhms
Tolerance	±1%	±1%	±1%	±1%	±1%	±1%	±1%
Power Rating	0.25W	0.25W	0.25W	0.75W	0.25W	0.25W	0.25W
Package	1206	1206	1206	1206	1206	1206	1206
Composition	Thick Film	Thick Film	Thick Film	Thick Film	Thick Film	Thick Film	Thick Film
Temperature Coefficient	±100ppm/°C	±100ppm/°C	±100ppm/°C	±100ppm/°C	±100ppm/°C	±100ppm/°C	±100ppm/°C
Operating Temperature	-55°C ~ 155°C	-55°C ~ 155°C	-55°C ~ 155°C	-55°C ~ 155°C	-55°C ~ 155°C	-55°C ~ 155°C	-55°C ~ 155°C
RoHS Status	ROHS3 Compliant	ROHS3 Compliant	ROHS3 Compliant	ROHS3 Compliant	ROHS3 Compliant	ROHS3 Compliant	ROHS3 Compliant
MSL Rating	1 (Unlimited)	1 (Unlimited)	1 (Unlimited)	1 (Unlimited)	1 (Unlimited)	1 (Unlimited)	1 (Unlimited)
Product Status	Active	Active	Active	Active	Not For New Designs	Active	Active
Height - Seated (Max)	0.026" (0.66mm)	0.030" (0.75mm)	0.024" (0.60mm)	0.026" (0.65mm)	0.028" (0.70mm)	0.026" (0.65mm)	0.026" (0.65mm)
Automotive AEC-Q200	No	No	Yes	Yes	Yes	Yes	No

Engineering Selection Recommendations

For Standard Applications (Non-Automotive): CR1206-FX-2553ELF (Bourns Inc.) or RC1206FR-07255KL (YAGEO) are primary substitutes. Both maintain Active product status, identical electrical specifications, and moisture-resistant characteristics. CR1206-FX-2553ELF offers higher inventory availability (20,495 pcs). RC1206FR-07255KL provides Cut Tape packaging option for lower-volume requirements.

For Automotive Applications (AEC-Q200 Required): CRCW1206255KFKEA (Vishay Dale) is the standard automotive-qualified substitute with Active status and 17,920 pcs inventory. CRCW1206255KFKEAHP (Vishay Dale) provides enhanced pulse withstanding capability at 0.75W power rating for applications requiring higher transient energy absorption, with 8,602 pcs inventory. KTR18EZPF2553 (Rohm Semiconductor) offers automotive AEC-Q200 qualification with high-voltage features for specialized applications, though inventory is limited (780 pcs).

For Legacy Design Support: ERJ-8ENF2553V (Panasonic Electronic Components) maintains full electrical and mechanical compatibility with "Not For New Designs" status. This part is suitable for existing production runs or field replacements where design continuity is required. Inventory availability is substantial (31,433 pcs).

Height Clearance Consideration: CRCW1206255KFKEA (0.024" max height) is optimal for space-constrained PCB layouts. All other substitutes fall within 0.026" to 0.030" maximum seated height, which is acceptable for standard 1206 package applications.

Frequently Asked Questions (FAQ)

Q: Can CRCW1206255KFKEAHP (0.75W) be used as a direct replacement for RCS3216F2553CS (0.25W)?

A: Yes. The 0.75W variant is electrically and mechanically compatible. Higher power rating provides additional design margin for pulse withstanding applications. Thermal dissipation characteristics remain within the same operating temperature envelope (-55°C ~ 155°C). No circuit redesign is required.

Q: What is the difference between Tape & Reel (TR) and Cut Tape (CT) packaging?

A: Tape & Reel packaging is used for automated pick-and-place assembly in high-volume manufacturing. Cut Tape & Digi-Reel packaging is suitable for lower-volume production or manual assembly. Both formats contain identical components; packaging format selection depends on assembly process requirements, not electrical performance.

Q: Is ERJ-8ENF2553V acceptable for new product designs?

A: No. ERJ-8ENF2553V carries "Not For New Designs" product status. This designation indicates the manufacturer is discontinuing active development support. For new designs, select from Active status parts: CR1206-FX-2553ELF, CRCW1206255KFKEA, CRCW1206255KFKEAHP, KTR18EZPF2553, or RC1206FR-07255KL.

Q: Do all substitutes meet automotive AEC-Q200 qualification?

A: No. Only CRCW1206255KFKEA, CRCW1206255KFKEAHP, ERJ-8ENF2553V, and KTR18EZPF2553 carry AEC-Q200 ratings. RCS3216F2553CS, CR1206-FX-2553ELF, and RC1206FR-07255KL do not have automotive qualification. Select AEC-Q200 qualified parts only for automotive or safety-critical applications.

Q: Are there dimensional compatibility issues between substitutes?

A: All substitutes use identical 1206 (3216 Metric) package with 0.126" L x 0.063" W footprint. Seated height varies between 0.024" and 0.030" maximum. This variation is within standard 1206 package tolerance and does not affect PCB layout or assembly. Height clearance becomes relevant only in space-constrained designs with <0.030" vertical clearance.

Q: What is the significance of ±100ppm/°C temperature coefficient?

A: Temperature coefficient specifies resistance value drift across the operating temperature range. ±100ppm/°C means the resistance changes by maximum 100 parts per million per degree Celsius. Across the full -55°C to 155°C range (210°C span), maximum resistance change is approximately 2.1% from nominal 255 kOhms value. All substitutes maintain identical temperature stability.

Q: Can I mix different manufacturers' parts in the same production batch?

A: Yes. All qualified substitutes meet identical electrical, mechanical, and compliance specifications. Mixed-manufacturer sourcing is standard practice for supply chain resilience. Ensure PCB assembly documentation specifies all approved part numbers to prevent assembly errors.

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