RMCS0603JT100R Equivalent & Substitute Parts

Part Overview

The RMCS0603JT100R is a 100 Ohm, ±5% tolerance, 0.1W thick film chip resistor in 0603 (1608 Metric) package manufactured by Stackpole Electronics Inc. This component is classified as Active status and is widely used in general-purpose electronic applications requiring precision resistive elements in compact surface-mount form factors. Substitute parts are necessary to address supply chain availability, specific application requirements such as automotive qualification, or enhanced environmental performance characteristics while maintaining electrical and mechanical compatibility.

Key Parameters

Parameter	Value
Resistance	100 Ohms
Tolerance	±5%
Power Rating	0.1W (1/10W)
Package / Case	0603 (1608 Metric)
Composition	Thick Film
Temperature Coefficient	±100ppm/°C
Operating Temperature Range	-55°C ~ 155°C
RoHS Status	ROHS3 Compliant
Moisture Sensitivity Level	1 (Unlimited)

Substitute Part Grouping Explanation

Substitution eligibility for the RMCS0603JT100R is determined by strict equivalence across the following critical parameters:

Resistance value: 100 Ohms
Tolerance: ±5%
Power rating: 0.1W (1/10W)
Package: 0603 (1608 Metric)
Composition: Thick Film
Temperature coefficient: ±100ppm/°C
Operating temperature range: -55°C ~ 155°C
RoHS3 compliance
MSL rating: 1 (Unlimited)

All three substitute parts (AC0603JR-07100RL, AF0603JR-07100RL, and RC0603JR-07100RL) meet these core electrical and mechanical requirements. Differences exist only in secondary features such as automotive qualification (AEC-Q200), anti-sulfur treatment, and packaging format (Tape & Reel versus Cut Tape), which do not affect functional interchangeability in standard applications.

Parameter Comparison

Parameter	RMCS0603JT100R (Stackpole)	AC0603JR-07100RL (YAGEO)	AF0603JR-07100RL (YAGEO)	RC0603JR-07100RL (YAGEO)
Manufacturer	Stackpole Electronics Inc	YAGEO	YAGEO	YAGEO
Resistance	100 Ohms	100 Ohms	100 Ohms	100 Ohms
Tolerance	±5%	±5%	±5%	±5%
Power Rating	0.1W	0.1W	0.1W	0.1W
Package / Case	0603 (1608 Metric)	0603 (1608 Metric)	0603 (1608 Metric)	0603 (1608 Metric)
Composition	Thick Film	Thick Film	Thick Film	Thick Film
Temperature Coefficient	±100ppm/°C	±100ppm/°C	±100ppm/°C	±100ppm/°C
Operating Temperature	-55°C ~ 155°C	-55°C ~ 155°C	-55°C ~ 155°C	-55°C ~ 155°C
Size / Dimension	0.063" L x 0.031" W (1.60mm x 0.80mm)	0.063" L x 0.031" W (1.60mm x 0.80mm)	0.063" L x 0.031" W (1.60mm x 0.80mm)	0.063" L x 0.031" W (1.60mm x 0.80mm)
Height - Seated (Max)	0.022" (0.55mm)	0.022" (0.55mm)	0.022" (0.55mm)	0.022" (0.55mm)
RoHS Status	ROHS3 Compliant	ROHS3 Compliant	ROHS3 Compliant	ROHS3 Compliant
MSL Rating	1 (Unlimited)	1 (Unlimited)	1 (Unlimited)	1 (Unlimited)
Features	Anti-Sulfur	Automotive AEC-Q200, Moisture Resistant	Anti-Sulfur, Automotive AEC-Q200	Moisture Resistant
Packaging Format	Tape & Reel (TR)	Tape & Reel (TR)	Tape & Reel (TR)	Cut Tape (CT) & Digi-Reel®

Engineering Selection Recommendations

All three substitute parts are functionally equivalent to the RMCS0603JT100R and maintain Active product status. Selection among substitutes should be based on application-specific requirements:

AC0603JR-07100RL is suitable for applications requiring automotive qualification (AEC-Q200) with moisture-resistant characteristics and standard Tape & Reel packaging.

AF0603JR-07100RL combines anti-sulfur treatment with automotive AEC-Q200 qualification, providing enhanced environmental protection in demanding applications while maintaining Tape & Reel packaging.

RC0603JR-07100RL offers moisture-resistant performance with the highest inventory availability and is available in both Cut Tape and Digi-Reel® packaging formats, making it suitable for high-volume production or mixed packaging requirements.

All substitutes maintain ROHS3 compliance and unlimited moisture sensitivity rating (MSL 1), ensuring compatibility with standard PCB assembly and storage conditions.

Frequently Asked Questions (FAQ)

Q: Can AC0603JR-07100RL, AF0603JR-07100RL, and RC0603JR-07100RL be used interchangeably with RMCS0603JT100R?

A: Yes. All three parts share identical electrical specifications (100 Ohms, ±5%, 0.1W), temperature characteristics (±100ppm/°C, -55°C to 155°C), and mechanical dimensions (0603 package, 1.60mm x 0.80mm). They are electrically and mechanically interchangeable in standard applications.

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

A: Tape & Reel packaging is supplied on continuous carrier tape wound on reels, suitable for automated pick-and-place assembly. Cut Tape is supplied in shorter tape segments, typically used for lower-volume orders or manual assembly. RC0603JR-07100RL is available in both formats; AC0603JR-07100RL and AF0603JR-07100RL are supplied in Tape & Reel format only.

Q: What does AEC-Q200 qualification mean?

A: AEC-Q200 is an automotive industry standard qualification for passive components. AC0603JR-07100RL and AF0603JR-07100RL meet this standard, making them suitable for automotive applications requiring enhanced reliability and performance validation. RMCS0603JT100R does not carry this designation.

Q: Are there differences in environmental performance between these parts?

A: AF0603JR-07100RL includes both anti-sulfur and AEC-Q200 features. AC0603JR-07100RL includes AEC-Q200 and moisture resistance. RC0603JR-07100RL includes moisture resistance only. RMCS0603JT100R includes anti-sulfur treatment. Selection depends on specific environmental exposure requirements.

Q: Do all parts meet RoHS compliance?

A: Yes. RMCS0603JT100R, AC0603JR-07100RL, AF0603JR-07100RL, and RC0603JR-07100RL are all ROHS3 compliant and carry MSL 1 (Unlimited) moisture sensitivity rating, meeting standard PCB assembly and storage requirements.

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