RC3216J912CS 9.1kΩ 1206 Chip Resistor Equivalent & Substitute Parts

Part Overview

The RC3216J912CS is a 9.1 kΩ ±5% 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 moisture-resistant construction and ROHS3 compliance. Equivalent and substitute parts are identified based on matching electrical specifications (resistance value, tolerance, power rating) and mechanical compatibility (package type, dimensions, termination count) to ensure direct functional replacement in circuit applications.

Key Parameters

Parameter	Value
Resistance	9.1 kΩ
Tolerance	±5%
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	1 (Unlimited)
RoHS Status	ROHS3 Compliant
Number of Terminations	2

Substitute Part Grouping Explanation

Substitute parts for the RC3216J912CS are classified into three categories based on electrical and mechanical compatibility:

Direct Equivalent (Same Tolerance ±5%):

RC1206JR-079K1L (YAGEO): Identical electrical specifications with ±5% tolerance, matching resistance, power rating, and package dimensions. Differs only in packaging format (Tape & Reel vs. original specification).

Upgrade Equivalents (Enhanced Tolerance ±1%):

AC1206FR-079K1L (YAGEO): Tighter tolerance (±1%) with automotive AEC-Q200 qualification
CR1206-FX-9101ELF (Bourns Inc.): Tighter tolerance (±1%) with moisture-resistant features
ERJ-8ENF9101V (Panasonic): Tighter tolerance (±1%) with automotive AEC-Q200 qualification (Not For New Designs status)
KTR18EZPF9101 (Rohm Semiconductor): Tighter tolerance (±1%) with automotive AEC-Q200 and high voltage features
RC1206FR-079K1L (YAGEO): Tighter tolerance (±1%) with moisture-resistant features

Similar Equivalents (Enhanced Tolerance ±1% with Automotive Qualification):

CRCW12069K10FKEA (Vishay Dale): Tighter tolerance (±1%) with automotive AEC-Q200 qualification

All substitute parts maintain identical resistance value (9.1 kΩ), power rating (0.25W), package type (1206), composition (thick film), temperature coefficient (±100ppm/°C), operating temperature range (-55°C ~ 155°C), and MSL rating (1). Substitution compatibility is determined by these matching parameters.

Parameter Comparison

Manufacturer Part Number	Manufacturer	Resistance	Tolerance	Power (W)	Package	Composition	Temp Coeff	Op. Temp Range	MSL	RoHS	Product Status
RC3216J912CS	Samsung Electro-Mechanics	9.1 kΩ	±5%	0.25	1206	Thick Film	±100ppm/°C	-55°C ~ 155°C	1	ROHS3	Active
RC1206JR-079K1L	YAGEO	9.1 kΩ	±5%	0.25	1206	Thick Film	±100ppm/°C	-55°C ~ 155°C	1	ROHS3	Active
AC1206FR-079K1L	YAGEO	9.1 kΩ	±1%	0.25	1206	Thick Film	±100ppm/°C	-55°C ~ 155°C	1	ROHS3	Active
CR1206-FX-9101ELF	Bourns Inc.	9.1 kΩ	±1%	0.25	1206	Thick Film	±100ppm/°C	-55°C ~ 155°C	1	ROHS3	Active
ERJ-8ENF9101V	Panasonic Electronic Components	9.1 kΩ	±1%	0.25	1206	Thick Film	±100ppm/°C	-55°C ~ 155°C	1	ROHS3	Not For New Designs
KTR18EZPF9101	Rohm Semiconductor	9.1 kΩ	±1%	0.25	1206	Thick Film	±100ppm/°C	-55°C ~ 155°C	1	ROHS3	Active
RC1206FR-079K1L	YAGEO	9.1 kΩ	±1%	0.25	1206	Thick Film	±100ppm/°C	-55°C ~ 155°C	1	ROHS3	Active
CRCW12069K10FKEA	Vishay Dale	9.1 kΩ	±1%	0.25	1206	Thick Film	±100ppm/°C	-55°C ~ 155°C	1	ROHS3	Active

Engineering Selection Recommendations

For Direct Replacement (Electrical Equivalence): RC1206JR-079K1L from YAGEO provides direct functional equivalence with matching ±5% tolerance specification. Both components are Active status and ROHS3 compliant. Selection is appropriate when tolerance specification is non-critical and component availability is a consideration.

For Enhanced Performance (Tighter Tolerance): AC1206FR-079K1L, CR1206-FX-9101ELF, KTR18EZPF9101, RC1206FR-079K1L, and CRCW12069K10FKEA all provide ±1% tolerance, representing improved accuracy over the original ±5% specification. These parts are suitable for applications requiring tighter resistance tolerance. All are Active status except ERJ-8ENF9101V.

For Automotive Applications: AC1206FR-079K1L (YAGEO), KTR18EZPF9101 (Rohm Semiconductor), and CRCW12069K10FKEA (Vishay Dale) carry AEC-Q200 automotive qualification. These parts are appropriate for automotive circuit applications requiring automotive-grade component certification.

Avoid for New Designs: ERJ-8ENF9101V (Panasonic) is marked "Not For New Designs" despite technical compatibility. This designation indicates manufacturer discontinuation trajectory and should not be selected for new product development.

Compliance Verification: All listed substitute parts maintain ROHS3 compliance and MSL rating 1 (Unlimited moisture sensitivity level), ensuring regulatory and environmental compatibility with the original RC3216J912CS specification.

Frequently Asked Questions (FAQ)

Q: Can RC1206JR-079K1L directly replace RC3216J912CS in existing designs? A: Yes. RC1206JR-079K1L from YAGEO provides direct electrical and mechanical equivalence with identical 9.1 kΩ resistance, ±5% tolerance, 0.25W power rating, and 1206 package. Both components are Active status and ROHS3 compliant. Substitution is functionally valid.

Q: What is the difference between the ±5% tolerance original part and ±1% tolerance upgrade parts? A: The original RC3216J912CS specifies ±5% tolerance, meaning the actual resistance value can vary within ±5% of the nominal 9.1 kΩ (range: 8.645 kΩ to 9.555 kΩ). Upgrade parts with ±1% tolerance provide tighter accuracy (range: 9.009 kΩ to 9.191 kΩ). Upgrade parts are suitable for applications requiring improved resistance accuracy but are not required for designs tolerating ±5% variation.

Q: Are all substitute parts mechanically compatible with the 1206 package footprint? A: Yes. All listed substitute parts use the 1206 (3216 Metric) package with identical termination count (2) and compatible dimensions. Physical footprint compatibility is confirmed across all alternatives. Dimensional variations (length 0.122" to 0.126", height 0.024" to 0.030") fall within standard 1206 package tolerances and do not affect PCB mounting compatibility.

Q: Which substitute part should be selected for automotive applications? A: AC1206FR-079K1L (YAGEO), KTR18EZPF9101 (Rohm Semiconductor), and CRCW12069K10FKEA (Vishay Dale) carry AEC-Q200 automotive qualification. These parts are appropriate for automotive circuit designs. ERJ-8ENF9101V also carries AEC-Q200 but is marked "Not For New Designs" and should be avoided.

Q: Why is ERJ-8ENF9101V listed if it is marked "Not For New Designs"? A: ERJ-8ENF9101V is included for reference in existing design documentation and legacy system support. The "Not For New Designs" status indicates Panasonic's discontinuation trajectory. New product development should select from Active status alternatives: AC1206FR-079K1L, CR1206-FX-9101ELF, KTR18EZPF9101, RC1206FR-079K1L, or CRCW12069K10FKEA.

Q: What is the significance of MSL rating 1 (Unlimited)? A: MSL (Moisture Sensitivity Level) rating 1 indicates the component has unlimited shelf life without moisture-related degradation concerns. All listed substitute parts share this MSL rating, confirming equivalent moisture handling characteristics and storage requirements.

Q: Can parts with different packaging formats (Tape & Reel vs. Cut Tape) be used interchangeably? A: Yes. Packaging format (Tape & Reel, Cut Tape, Digi-Reel) affects supply chain logistics and handling but does not impact electrical or mechanical performance. All substitute parts are functionally interchangeable regardless of packaging format. Selection should be based on procurement and assembly process requirements.

Q: Are all substitute parts ROHS3 compliant? A: Yes. All listed substitute parts maintain ROHS3 compliance, matching the original RC3216J912CS specification. Regulatory and environmental compliance is consistent across all alternatives.

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