KTR03EZPJ2R2 Equivalent & Substitute Parts

Part Overview

The KTR03EZPJ2R2 is a 2.2 Ohm ±5% thick film chip resistor manufactured by Rohm Semiconductor in 0603 (1608 Metric) package format. This component is rated for 0.1W power dissipation and meets automotive AEC-Q200 qualification standards with high voltage capability. The part is active in production status with 976 units currently in stock. Equivalent and substitute parts are identified when design requirements necessitate alternative sourcing, improved tolerance specifications, or different manufacturer availability.

Key Parameters

Parameter	Value
Resistance	2.2 Ohms
Tolerance	±5%
Power Rating	0.1W (1/10W)
Package	0603 (1608 Metric)
Composition	Thick Film
Temperature Coefficient	±200ppm/°C
Operating Temperature Range	-55°C to 155°C
Automotive Rating	AEC-Q200
RoHS Status	ROHS3 Compliant
Moisture Sensitivity Level	MSL 1 (Unlimited)

Substitute Part Grouping Explanation

Substitute parts for the KTR03EZPJ2R2 are classified into two categories based on tolerance specification:

Upgrade Substitutes (±1% Tolerance): Parts KTR03EZPF2R20, ERJ-3RQF2R2V, RC0603FR-072R2L, RMCF0603FT2R20 provide improved tolerance performance while maintaining identical resistance value, power rating, package format, and operating temperature range. These components are direct functional upgrades suitable for applications requiring tighter tolerance control.

Equivalent Substitutes (±5% Tolerance): Parts RMCF0603JT2R20, AC0603JR-072R2L, ERJ-3RQJ2R2V, and RC0603JR-072R2L maintain the same tolerance specification as the original part while offering alternative manufacturer sourcing. These parts are electrically and mechanically interchangeable with the KTR03EZPJ2R2.

All substitute parts share the following critical parameters with the main part: 2.2 Ohm resistance value, 0.1W power rating, 0603 package format, ±200ppm/°C temperature coefficient, -55°C to 155°C operating range, AEC-Q200 automotive qualification, ROHS3 compliance, and MSL 1 moisture sensitivity rating.

Parameter Comparison

Manufacturer Part Number	Manufacturer	Resistance	Tolerance	Power (W)	Package	Temp Coeff	Operating Temp	AEC-Q200	RoHS3	Packaging Type
KTR03EZPJ2R2	Rohm Semiconductor	2.2 Ω	±5%	0.1	0603	±200ppm/°C	-55 to 155°C	Yes	Yes	Tape & Reel
KTR03EZPF2R20	Rohm Semiconductor	2.2 Ω	±1%	0.1	0603	±200ppm/°C	-55 to 155°C	Yes	Yes	Tape & Reel
ERJ-3RQF2R2V	Panasonic Electronic Components	2.2 Ω	±1%	0.1	0603	±200ppm/°C	-55 to 155°C	Yes	Yes	Tape & Reel
RC0603FR-072R2L	YAGEO	2.2 Ω	±1%	0.1	0603	±200ppm/°C	-55 to 155°C	No	Yes	Cut Tape & Digi-Reel
RMCF0603FT2R20	Stackpole Electronics Inc	2.2 Ω	±1%	0.1	0603	±200ppm/°C	-55 to 155°C	Yes	Yes	Tape & Reel
RMCF0603JT2R20	Stackpole Electronics Inc	2.2 Ω	±5%	0.1	0603	±200ppm/°C	-55 to 155°C	Yes	Yes	Tape & Reel
AC0603JR-072R2L	YAGEO	2.2 Ω	±5%	0.1	0603	±200ppm/°C	-55 to 155°C	Yes	Yes	Tape & Reel
ERJ-3RQJ2R2V	Panasonic Electronic Components	2.2 Ω	±5%	0.1	0603	±200ppm/°C	-55 to 155°C	Yes	Yes	Tape & Reel
RC0603JR-072R2L	YAGEO	2.2 Ω	±5%	0.1	0603	±200ppm/°C	-55 to 155°C	No	Yes	Cut Tape & Digi-Reel

Engineering Selection Recommendations

For applications requiring AEC-Q200 automotive qualification, select from KTR03EZPF2R20, RMCF0603FT2R20, RMCF0603JT2R20, AC0603JR-072R2L, or ERJ-3RQJ2R2V. All these parts maintain active production status and ROHS3 compliance.

When tolerance specification is critical to circuit performance, upgrade to ±1% tolerance parts: KTR03EZPF2R20 (Rohm), ERJ-3RQF2R2V (Panasonic), RMCF0603FT2R20 (Stackpole), or RC0603FR-072R2L (YAGEO). These provide improved accuracy while maintaining all other electrical and mechanical specifications.

For equivalent ±5% tolerance substitution maintaining the original specification, RMCF0603JT2R20, AC0603JR-072R2L, ERJ-3RQJ2R2V, and RC0603JR-072R2L are direct replacements. All parts are ROHS3 compliant and MSL 1 rated.

Frequently Asked Questions (FAQ)

Q: Can I use a ±1% tolerance part as a substitute for the ±5% KTR03EZPJ2R2?

A: Yes. The ±1% tolerance parts (KTR03EZPF2R20, ERJ-3RQF2R2V, RMCF0603FT2R20, RC0603FR-072R2L) are direct functional upgrades. They provide tighter tolerance control while maintaining identical resistance value, power rating, package format, and operating temperature range.

Q: Are all substitute parts AEC-Q200 qualified?

A: No. RC0603FR-072R2L and RC0603JR-072R2L from YAGEO do not carry AEC-Q200 qualification. For automotive applications requiring AEC-Q200 compliance, use KTR03EZPF2R20, ERJ-3RQF2R2V, RMCF0603FT2R20, RMCF0603JT2R20, AC0603JR-072R2L, or ERJ-3RQJ2R2V.

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

A: Both packaging types contain identical components. Tape & Reel packaging is supplied on continuous reels suitable for automated pick-and-place assembly. Cut Tape & Digi-Reel packaging is supplied in cut tape format or on Digi-Reel, offering flexibility for lower-volume applications or mixed component orders.

Q: Can I substitute parts with different manufacturers?

A: Yes. All listed substitute parts maintain identical electrical specifications (2.2 Ohm resistance, ±5% or ±1% tolerance, 0.1W power rating) and mechanical compatibility (0603 package format). Cross-manufacturer substitution is valid when compliance requirements are met.

Q: What does MSL 1 (Unlimited) moisture sensitivity mean?

A: MSL 1 indicates the component has unlimited shelf life and requires no special moisture control during storage or handling. All listed parts carry MSL 1 rating, ensuring consistent handling requirements across substitutes.

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