RC3216F1271CS Equivalent & Substitute Parts Reference

Part Overview

The RC3216F1271CS is a 1.27 kOhms ±1% 0.25W thick film chip resistor manufactured by Samsung Electro-Mechanics in 1206 (3216 Metric) package format. This component features moisture-resistant construction and operates across the temperature range of -55°C to 155°C. The part maintains Active product status with 1012 units currently in stock. Substitute parts are identified when equivalent electrical specifications, mechanical dimensions, and compliance certifications align with the original component, enabling direct replacement in circuit designs without functional degradation.

Key Parameters

Parameter	Value
Resistance	1.27 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
Moisture Sensitivity Level (MSL)	1 (Unlimited)
RoHS Status	ROHS3 Compliant
Number of Terminations	2

Substitute Part Grouping Explanation

Substitute parts for the RC3216F1271CS are classified based on strict alignment with the following critical parameters:

Electrical Specifications: Resistance value of 1.27 kOhms, tolerance of ±1%, and power rating of 0.25W (1/4W) must match exactly.

Package Compatibility: All substitute parts must use the 1206 (3216 Metric) surface-mount package with 2 terminations to ensure mechanical fit and soldering compatibility.

Environmental Performance: Temperature coefficient of ±100ppm/°C and operating temperature range of -55°C to 155°C must be maintained.

Compliance Requirements: All substitute parts must be ROHS3 compliant and maintain MSL rating of 1 (Unlimited) for moisture sensitivity.

Composition: Thick film construction is required for all substitutes.

The following manufacturers provide equivalent parts meeting these criteria: Panasonic Electronic Components (ERJ-8ENF1271V), YAGEO (RC1206FR-071K27L and AC1206FR-071K27L), Stackpole Electronics Inc (RMCF1206FT1K27), and Vishay Dale (CRCW12061K27FKEA).

Parameter Comparison

Manufacturer	Part Number	Resistance	Tolerance	Power (W)	Package	Temp Coeff	Op Temp Range	Features	Product Status	MSL	RoHS
Samsung Electro-Mechanics	RC3216F1271CS	1.27 kΩ	±1%	0.25	1206	±100ppm/°C	-55~155°C	Moisture Resistant	Active	1	ROHS3
Panasonic Electronic Components	ERJ-8ENF1271V	1.27 kΩ	±1%	0.25	1206	±100ppm/°C	-55~155°C	Automotive AEC-Q200	Not For New Designs	1	ROHS3
YAGEO	RC1206FR-071K27L	1.27 kΩ	±1%	0.25	1206	±100ppm/°C	-55~155°C	Moisture Resistant	Active	1	ROHS3
Stackpole Electronics Inc	RMCF1206FT1K27	1.27 kΩ	±1%	0.25	1206	±100ppm/°C	-55~155°C	Automotive AEC-Q200	Active	1	ROHS3
YAGEO	AC1206FR-071K27L	1.27 kΩ	±1%	0.25	1206	±100ppm/°C	-55~155°C	Automotive AEC-Q200, Moisture Resistant	Active	1	ROHS3
Vishay Dale	CRCW12061K27FKEA	1.27 kΩ	±1%	0.25	1206	±100ppm/°C	-55~155°C	Automotive AEC-Q200	Active	1	ROHS3

Engineering Selection Recommendations

Primary Selection: RC1206FR-071K27L (YAGEO) is recommended as the first substitute option. This part maintains Active product status, matches all electrical and mechanical specifications of the original RC3216F1271CS, and provides moisture-resistant construction identical to the main part. Current inventory of 52,007 units ensures availability.

Automotive Applications: For designs requiring automotive-grade components, AC1206FR-071K27L (YAGEO) or RMCF1206FT1K27 (Stackpole Electronics Inc) are suitable alternatives. Both parts carry AEC-Q200 certification and maintain Active product status. AC1206FR-071K27L additionally provides moisture-resistant features matching the original specification.

High-Volume Sourcing: CRCW12061K27FKEA (Vishay Dale) offers the largest current inventory at 14,600 units with Active product status and AEC-Q200 automotive qualification.

Legacy Design Support: ERJ-8ENF1271V (Panasonic Electronic Components) is electrically and mechanically equivalent but carries "Not For New Designs" status. This part is suitable only for sustaining production or repair of existing equipment.

All substitute parts maintain ROHS3 compliance, MSL rating of 1, and identical operating temperature ranges, ensuring direct functional replacement without circuit redesign.

Frequently Asked Questions (FAQ)

Q: Can RC1206FR-071K27L replace RC3216F1271CS in all applications?

A: Yes. RC1206FR-071K27L matches all critical electrical parameters (1.27 kΩ ±1%, 0.25W), operates across the identical temperature range (-55°C to 155°C), uses the same 1206 package, and maintains equivalent moisture-resistant thick film construction. Both parts are ROHS3 compliant with MSL rating of 1.

Q: What is the difference between moisture-resistant and automotive-grade substitutes?

A: Moisture-resistant parts (RC1206FR-071K27L, AC1206FR-071K27L) are optimized for humidity environments. Automotive-grade parts (RMCF1206FT1K27, CRCW12061K27FKEA, ERJ-8ENF1271V) carry AEC-Q200 certification, indicating qualification for automotive temperature cycling and reliability standards. AC1206FR-071K27L combines both features.

Q: Are there dimensional differences between substitute parts?

A: Minor dimensional variations exist within acceptable tolerances. Length ranges from 0.122" to 0.126" (3.10mm to 3.20mm), and maximum seated height ranges from 0.024" to 0.028" (0.60mm to 0.70mm). These variations do not affect PCB layout or soldering compatibility for standard 1206 footprints.

Q: Why is ERJ-8ENF1271V marked "Not For New Designs"?

A: This designation indicates the manufacturer has discontinued active development of this product line. The part remains functionally equivalent and suitable for repair or sustaining production of existing designs, but should not be selected for new product development.

Q: Do all substitutes maintain the same temperature coefficient?

A: Yes. All substitute parts maintain a temperature coefficient of ±100ppm/°C, matching the original RC3216F1271CS specification.

Q: What packaging formats are available for these substitutes?

A: All substitute parts are supplied in Tape & Reel (TR) format, suitable for automated assembly processes. The original RC3216F1271CS packaging format is not specified in the provided data.

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