RMC1/8K1133FTP Equivalent & Substitute Parts

Part Overview

The RMC1/8K1133FTP is a 113 kOhms ±1% 0.25W thick film chip resistor manufactured by Kamaya Inc. in 1206 (3216 Metric) surface mount package. This component is classified as Active product status with unlimited moisture sensitivity rating (MSL 1). The part is suitable for general-purpose applications requiring precision resistive elements with stable temperature characteristics across the -55°C to 155°C operating range. Substitute parts are identified based on matching electrical specifications, mechanical compatibility, and package standardization to ensure direct functional equivalence in circuit design.

Key Parameters

Parameter	Value
Resistance	113 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)
Number of Terminations	2

Substitute Part Grouping Explanation

Substitution eligibility for the RMC1/8K1133FTP is determined by strict equivalence across the following parameters:

Critical Matching Parameters:

Resistance value: 113 kOhms
Tolerance: ±1%
Power rating: 0.25W (1/4W)
Package: 1206 (3216 Metric)
Composition: Thick Film
Temperature coefficient: ±100ppm/°C
Operating temperature range: -55°C ~ 155°C
Termination count: 2

All identified substitute parts meet these electrical and mechanical requirements. Dimensional variations within the 1206 package specification are acceptable per IEC 60603 standards. Substitute parts may include additional certifications (such as AEC-Q200 automotive qualification) or enhanced features (such as moisture resistance) that do not conflict with the base specifications.

Parameter Comparison

Manufacturer Part Number	Manufacturer	Resistance	Tolerance	Power (W)	Package	Composition	Temp Coeff (ppm/°C)	Operating Temp (°C)	Product Status	MSL
RMC1/8K1133FTP	Kamaya Inc.	113 kOhms	±1%	0.25	1206	Thick Film	±100	-55 ~ 155	Active	1
ERJ-8ENF1133V	Panasonic Electronic Components	113 kOhms	±1%	0.25	1206	Thick Film	±100	-55 ~ 155	Not For New Designs	1
MCR18ERTF1133	Rohm Semiconductor	113 kOhms	±1%	0.25	1206	Thick Film	±100	-55 ~ 155	Discontinued at DiGi Electronics	1
RC1206FR-07113KL	YAGEO	113 kOhms	±1%	0.25	1206	Thick Film	±100	-55 ~ 155	Active	1
RMCF1206FT113K	Stackpole Electronics Inc	113 kOhms	±1%	0.25	1206	Thick Film	±100	-55 ~ 155	Active	1

Engineering Selection Recommendations

Active Status Parts (Recommended for New Designs):

RC1206FR-07113KL (YAGEO): Active product status with moisture-resistant thick film composition. ROHS3 compliant. Suitable for standard and moisture-sensitive applications.
RMCF1206FT113K (Stackpole Electronics Inc): Active product status with AEC-Q200 automotive qualification. ROHS3 compliant. Appropriate for automotive and high-reliability applications requiring automotive-grade components.

Limited Availability / Discontinued Status:

ERJ-8ENF1133V (Panasonic Electronic Components): Marked "Not For New Designs." AEC-Q200 automotive qualified. Use only for legacy system maintenance or replacement applications where original specification continuity is required.
MCR18ERTF1133 (Rohm Semiconductor): Discontinued at DiGi Electronics. ROHS3 compliant. Inventory available but not recommended for new design implementations.

All substitute parts maintain identical electrical performance and 1206 package compatibility with the RMC1/8K1133FTP. Selection between active alternatives depends on application requirements: standard industrial applications favor RC1206FR-07113KL; automotive and high-reliability applications favor RMCF1206FT113K.

Frequently Asked Questions (FAQ)

Q: Can ERJ-8ENF1133V replace RMC1/8K1133FTP in new designs? A: ERJ-8ENF1133V is marked "Not For New Designs" by the manufacturer. While electrically equivalent, it is not recommended for new circuit implementations. Use RC1206FR-07113KL or RMCF1206FT113K for new designs.

Q: What is the difference between RC1206FR-07113KL and RMCF1206FT113K? A: Both are Active status parts with identical electrical specifications. RC1206FR-07113KL features moisture-resistant composition. RMCF1206FT113K includes AEC-Q200 automotive qualification. Selection depends on application: standard industrial use favors RC1206FR-07113KL; automotive applications favor RMCF1206FT113K.

Q: Are dimensional variations between substitute parts significant? A: All parts conform to 1206 (3216 Metric) package specification. Dimensional variations (length 3.05mm to 3.20mm, height 0.65mm to 0.70mm) fall within IEC 60603 tolerance bands and do not affect PCB layout or circuit performance.

Q: Is MCR18ERTF1133 available for purchase? A: MCR18ERTF1133 shows 4338 pieces in inventory but is discontinued at DiGi Electronics. Availability through alternative distributors may be limited. For ongoing supply assurance, use active status alternatives.

Q: Do all substitute parts have the same moisture sensitivity rating? A: Yes. All parts including RMC1/8K1133FTP carry MSL 1 (Unlimited) rating, indicating no moisture sensitivity restrictions for storage, handling, or reflow processes.

Q: Which substitute part is best for automotive applications? A: RMCF1206FT113K is qualified to AEC-Q200 automotive standard and maintains Active product status, making it the appropriate choice for automotive circuit implementations.

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