RC3216F111CS Equivalent & Substitute Parts Reference

Part Overview

The RC3216F111CS is a 110 Ohms ±1% 0.25W (1/4W) chip resistor manufactured by Samsung Electro-Mechanics in 1206 (3216 Metric) package format. This thick film, moisture-resistant component operates across -55°C to 155°C and maintains ROHS3 compliance with MSL Level 1 rating. The part is currently in active production status with 939 pieces available in new original inventory. Equivalent and substitute parts are identified to support procurement flexibility, design optimization, and supply chain continuity when the primary part becomes unavailable or when design requirements necessitate alternative specifications such as enhanced power ratings or automotive-grade certifications.

Key Parameters

Parameter	Value	Substitution Relevance
Resistance Value	110 Ohms	Critical - must match exactly
Tolerance	±1%	Critical - determines circuit accuracy
Power Rating	0.25W (1/4W)	Critical - minimum thermal requirement
Package / Case	1206 (3216 Metric)	Critical - PCB footprint compatibility
Composition	Thick Film	Important - affects performance characteristics
Temperature Coefficient	±100ppm/°C	Important - stability across temperature range
Operating Temperature Range	-55°C ~ 155°C	Important - environmental compatibility
RoHS Status	ROHS3 Compliant	Important - regulatory requirement
Moisture Sensitivity Level	MSL 1 (Unlimited)	Important - handling and storage

Substitute Part Grouping Explanation

Substitute parts for the RC3216F111CS are classified based on strict adherence to the following allowed electrical and mechanical parameters:

Critical Matching Parameters:

Resistance: 110 Ohms (exact match required)
Tolerance: ±1% (exact match required)
Package: 1206 (3216 Metric) (exact match required)
Number of Terminations: 2 (exact match required)

Allowable Variation Parameters:

Power Rating: 0.25W minimum (higher ratings acceptable for thermal margin)
Composition: Thick Film (consistent across all substitutes)
Temperature Coefficient: ±100ppm/°C (consistent across all substitutes)
Operating Temperature: -55°C ~ 155°C minimum (consistent across all substitutes)
Compliance: ROHS3 and REACH status (consistent across all substitutes)

Enhancement Parameters (optional):

Automotive AEC-Q200 certification (available in select substitutes)
Pulse withstanding capability (available in select substitutes)

All substitute parts maintain identical electrical performance within the specified tolerance and temperature range. Dimensional variations within the 1206 package specification do not affect PCB assembly compatibility.

Parameter Comparison

Manufacturer Part Number	Manufacturer	Resistance	Tolerance	Power (Watts)	Package	Temp Coeff	Op. Temp Range	Features	Product Status	Inventory (Pcs)
RC3216F111CS	Samsung Electro-Mechanics	110 Ω	±1%	0.25W	1206	±100ppm/°C	-55°C ~ 155°C	Moisture Resistant	Active	939
CR1206-FX-1100ELF	Bourns Inc.	110 Ω	±1%	0.25W	1206	±100ppm/°C	-55°C ~ 155°C	Moisture Resistant	Active	6,376
RC1206FR-07110RL	YAGEO	110 Ω	±1%	0.25W	1206	±100ppm/°C	-55°C ~ 155°C	Moisture Resistant	Active	324,893
AC1206FR-07110RL	YAGEO	110 Ω	±1%	0.25W	1206	±100ppm/°C	-55°C ~ 155°C	Automotive AEC-Q200, Moisture Resistant	Active	11,485
CRCW1206110RFKEA	Vishay Dale	110 Ω	±1%	0.25W	1206	±100ppm/°C	-55°C ~ 155°C	Automotive AEC-Q200	Active	16,813
CRCW1206110RFKEAHP	Vishay Dale	110 Ω	±1%	0.75W	1206	±100ppm/°C	-55°C ~ 155°C	Automotive AEC-Q200, Pulse Withstanding	Active	21,756
ERJ-8ENF1100V	Panasonic Electronic Components	110 Ω	±1%	0.25W	1206	±100ppm/°C	-55°C ~ 155°C	Automotive AEC-Q200	Not For New Designs	55,546

Engineering Selection Recommendations

Direct Substitutes (Equivalent Specifications):

CR1206-FX-1100ELF (Bourns Inc.) and RC1206FR-07110RL (YAGEO) are direct functional equivalents to the RC3216F111CS. Both maintain identical electrical specifications, power rating, and operating parameters. RC1206FR-07110RL offers significantly higher inventory availability (324,893 units) and is suitable for applications requiring standard industrial-grade thick film resistors without automotive certification requirements.

Automotive-Grade Upgrades:

AC1206FR-07110RL (YAGEO), CRCW1206110RFKEA (Vishay Dale), and ERJ-8ENF1100V (Panasonic) incorporate AEC-Q200 automotive qualification. These parts are suitable for designs requiring enhanced reliability and automotive supply chain compliance. AC1206FR-07110RL and CRCW1206110RFKEA maintain the 0.25W power rating with active production status.

Enhanced Power Rating:

CRCW1206110RFKEAHP (Vishay Dale) provides 0.75W (3/4W) power rating with pulse withstanding capability while maintaining the 1206 package footprint. This part is selected when thermal margin enhancement or transient pulse immunity is required. The increased power rating does not affect PCB layout compatibility.

Obsolescence Consideration:

ERJ-8ENF1100V carries "Not For New Designs" status despite high inventory availability. This part should be avoided in new product development and reserved only for legacy system maintenance or repair applications.

Compliance Verification:

All recommended substitutes maintain ROHS3 compliance, REACH unaffected status, and MSL Level 1 moisture sensitivity rating. No additional qualification testing is required for direct substitution within the specified parameter envelope.

Frequently Asked Questions (FAQ)

Q: Can CRCW1206110RFKEAHP (0.75W) be used as a direct replacement for RC3216F111CS (0.25W)?

A: Yes. The higher power rating (0.75W vs. 0.25W) provides additional thermal margin and does not degrade circuit performance. The component will operate within specification in any application designed for 0.25W minimum. No circuit redesign is required.

Q: Are there dimensional differences between substitute parts that affect PCB assembly?

A: All parts conform to the 1206 (3216 Metric) package specification. Seated height variations (0.024" to 0.030" maximum) fall within standard PCB assembly tolerances and do not affect reflow soldering, wave soldering, or component placement processes.

Q: Why is ERJ-8ENF1100V marked "Not For New Designs"?

A: This designation indicates the manufacturer has discontinued active development and recommends alternative parts for new product designs. While inventory remains available, this part should not be selected for new applications due to potential future supply discontinuation.

Q: What is the difference between standard and automotive-grade (AEC-Q200) resistors?

A: AEC-Q200 certified parts undergo enhanced qualification testing for automotive applications, including thermal cycling, humidity bias, and mechanical stress testing. These parts are required for automotive supply chains but are functionally equivalent to standard parts in non-automotive applications.

Q: Can I mix different manufacturers' parts in the same PCB assembly?

A: Yes. All listed substitutes meet identical electrical specifications (110 Ω ±1%, 0.25W minimum, 1206 package). Mixed manufacturer sourcing is acceptable from an engineering standpoint and is common practice for supply chain optimization.

Q: What does MSL Level 1 mean for handling and storage?

A: MSL (Moisture Sensitivity Level) 1 indicates unlimited shelf life with no special moisture control requirements. These parts do not require dry-pack storage, desiccant bags, or bake-out procedures before soldering, simplifying inventory management and procurement logistics.

Q: Are there performance differences between thick film resistors from different manufacturers?

A: All listed parts use thick film composition with identical temperature coefficient (±100ppm/°C) and operating range (-55°C ~ 155°C). Functional performance is equivalent across manufacturers within the specified tolerance band.

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