Equivalent & Substitute Parts for MCR03ERTJ113

Part Overview

The MCR03ERTJ113 is an 11 kOhms ±5% 0.1W thick film chip resistor in 0603 (1608 Metric) package manufactured by Rohm Semiconductor. This part is discontinued at DiGi Electronics, necessitating identification of functionally equivalent alternatives from active manufacturers. Substitute parts must maintain the same resistance value, power rating, and package dimensions while meeting equivalent electrical and mechanical specifications.

Key Parameters

Parameter	Specification
Resistance Value	11 kOhms
Tolerance	±5%
Power Rating	0.1W (1/10W)
Package / Case	0603 (1608 Metric)
Composition	Thick Film
Operating Temperature Range	-55°C ~ 155°C
Temperature Coefficient	±200ppm/°C
RoHS Status	ROHS3 Compliant
Moisture Sensitivity Level	1 (Unlimited)

Substitute Part Grouping Explanation

Substitution of MCR03ERTJ113 is determined by the following critical parameters:

Mandatory Matching Parameters:

Resistance value: 11 kOhms
Power rating: 0.1W (1/10W)
Package: 0603 (1608 Metric)
Composition: Thick Film
Operating temperature range: -55°C ~ 155°C
RoHS3 compliance
MSL rating: 1 (Unlimited)

Allowable Variations:

Tolerance: ±5% (original specification) or tighter tolerance (±1%) for upgraded performance
Temperature coefficient: ±200ppm/°C (original) or ±100ppm/°C (improved stability)
Packaging format: Cut Tape (CT) & Digi-Reel® or Tape & Reel (TR)
Additional certifications: Automotive AEC-Q200 qualification is permissible as an upgrade feature

Substitute parts are grouped into two categories: direct equivalents matching ±5% tolerance, and upgraded alternatives with ±1% tolerance and enhanced temperature stability.

Parameter Comparison

Manufacturer Part Number	Manufacturer	Resistance	Tolerance	Power	Temp Coeff	Package	Packaging Format	Product Status	AEC-Q200
MCR03ERTJ113	Rohm Semiconductor	11 kOhms	±5%	0.1W	±200ppm/°C	0603	Cut Tape & Digi-Reel	Discontinued	No
CR0603-JW-113ELF	Bourns Inc.	11 kOhms	±5%	0.1W	±200ppm/°C	0603	Tape & Reel	Active	No
CRCW060311K0JNEA	Vishay Dale	11 kOhms	±5%	0.1W	±200ppm/°C	0603	Cut Tape & Digi-Reel	Active	Yes
RMCF0603JT11K0	Stackpole Electronics Inc	11 kOhms	±5%	0.1W	±200ppm/°C	0603	Tape & Reel	Active	Yes
RC0603JR-0711KL	YAGEO	11 kOhms	±5%	0.1W	±100ppm/°C	0603	Cut Tape & Digi-Reel	Active	No
KTR03EZPF1102	Rohm Semiconductor	11 kOhms	±1%	0.1W	±100ppm/°C	0603	Tape & Reel	Active	Yes
RMCF0603FT11K0	Stackpole Electronics Inc	11 kOhms	±1%	0.1W	±100ppm/°C	0603	Tape & Reel	Active	Yes
ERJ-3EKF1102V	Panasonic Electronic Components	11 kOhms	±1%	0.1W	±100ppm/°C	0603	Tape & Reel	Active	Yes
RC0603FR-0711KL	YAGEO	11 kOhms	±1%	0.1W	±100ppm/°C	0603	Cut Tape & Digi-Reel	Active	No

Engineering Selection Recommendations

Direct Equivalents (±5% Tolerance):

CR0603-JW-113ELF (Bourns Inc.) provides direct functional equivalence with moisture-resistant thick film composition and active product status. CRCW060311K0JNEA (Vishay Dale) and RMCF0603JT11K0 (Stackpole Electronics Inc) offer equivalent specifications with the additional benefit of Automotive AEC-Q200 qualification, suitable for applications requiring automotive-grade reliability.

Upgraded Alternatives (±1% Tolerance):

KTR03EZPF1102 (Rohm Semiconductor), RMCF0603FT11K0 (Stackpole Electronics Inc), and ERJ-3EKF1102V (Panasonic Electronic Components) provide improved tolerance performance with ±1% accuracy and reduced temperature coefficient (±100ppm/°C). All three carry Automotive AEC-Q200 certification. RC0603FR-0711KL (YAGEO) offers ±1% tolerance with moisture-resistant composition but without AEC-Q200 qualification.

Selection should prioritize active product status and compliance certifications. For applications requiring automotive qualification, parts with AEC-Q200 rating are preferred. For general industrial applications, direct equivalents with ±5% tolerance are functionally suitable.

Frequently Asked Questions (FAQ)

Q: Can I use a ±1% tolerance part as a substitute for the ±5% MCR03ERTJ113?

A: Yes. A ±1% tolerance part is a direct upgrade and will function in any application designed for ±5% tolerance. The tighter tolerance provides improved circuit accuracy without compromising compatibility.

Q: What is the difference between Cut Tape & Digi-Reel and Tape & Reel packaging?

A: Both formats contain the same component in 0603 package. Cut Tape & Digi-Reel is supplied on cut tape with a reel for manual or semi-automated placement. Tape & Reel is supplied on continuous tape for automated pick-and-place assembly. Electrical and mechanical specifications are identical; selection depends on assembly process requirements.

Q: Does AEC-Q200 certification affect electrical performance?

A: AEC-Q200 is an automotive qualification standard indicating the part meets automotive reliability and quality requirements. It does not alter the electrical specifications (resistance, tolerance, power rating) but confirms the part has undergone additional testing and quality validation suitable for automotive applications.

Q: Are all substitute parts RoHS3 compliant?

A: Yes. All listed substitute parts maintain ROHS3 compliance and MSL rating 1 (Unlimited), matching the environmental and moisture sensitivity specifications of the original MCR03ERTJ113.

Q: Can I mix different substitute parts in the same circuit board?

A: Yes, provided all parts meet the circuit design requirements for resistance value, tolerance, and power rating. Using parts from the same manufacturer within a single design may simplify procurement and ensure consistency.

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