KTR03EZPJ331 Equivalent & Substitute Parts

Part Overview

The KTR03EZPJ331 is a 330 Ohm ±5% thick film chip resistor manufactured by Rohm Semiconductor in 0603 (1608 Metric) package format. This component is rated for 0.1W (1/10W) power dissipation and meets AEC-Q200 automotive qualification standards with high voltage capability. The part is active in production status with ROHS3 compliance and unlimited moisture sensitivity rating (MSL 1). Equivalent and substitute parts are necessary to address supply chain flexibility, packaging preferences, tolerance requirements, and manufacturer availability while maintaining electrical and mechanical compatibility.

Key Parameters

Parameter	Value
Resistance	330 Ohms
Tolerance	±5%
Power Rating	0.1W (1/10W)
Package / Case	0603 (1608 Metric)
Composition	Thick Film
Operating Temperature Range	-55°C to 155°C
Temperature Coefficient	±200ppm/°C
RoHS Status	ROHS3 Compliant
Moisture Sensitivity Level	1 (Unlimited)

Substitute Part Grouping Explanation

Substitution eligibility for the KTR03EZPJ331 is determined by strict adherence to the following electrical and mechanical parameters:

Critical Parameters (Must Match Exactly):

Resistance value: 330 Ohms
Package / Case: 0603 (1608 Metric)
Power rating: 0.1W (1/10W)
Composition: Thick Film
Operating temperature range: -55°C to 155°C
RoHS compliance: ROHS3 Compliant
Moisture sensitivity level: 1 (Unlimited)

Allowable Variations:

Tolerance: ±5% (main part) can be substituted with ±1% (upgrade) or ±5% (equivalent)
Temperature coefficient: ±200ppm/°C (main part) can be substituted with ±100ppm/°C (upgrade) or ±200ppm/°C (equivalent)
Packaging format: Tape & Reel (TR) or Cut Tape (CT) & Digi-Reel®
Manufacturer: Different manufacturers acceptable if all parameters align
Automotive rating: AEC-Q200 rated parts are preferred but not mandatory for non-automotive applications

Parts are categorized as upgrades when tolerance or temperature coefficient specifications are improved (tighter tolerances, lower temperature coefficient), direct equivalents when specifications match, and similar when minor dimensional variations exist within acceptable limits.

Parameter Comparison

Manufacturer Part Number	Manufacturer	Resistance	Tolerance	Power (W)	Temp Coeff (ppm/°C)	Package	Packaging Format	AEC-Q200	Inventory (Pcs)
KTR03EZPJ331	Rohm Semiconductor	330 Ω	±5%	0.1	±200	0603	Tape & Reel	Yes	986
KTR03EZPF3300	Rohm Semiconductor	330 Ω	±1%	0.1	±100	0603	Tape & Reel	Yes	17524
CRCW0603330RJNEA	Vishay Dale	330 Ω	±5%	0.1	±200	0603	Cut Tape & Digi-Reel®	Yes	36449
CRG0603F330R	TE Connectivity Passive Product	330 Ω	±1%	0.1	±100	0603	Tape & Reel	No	937816
ERJ-3GEYJ331V	Panasonic Electronic Components	330 Ω	±5%	0.1	±200	0603	Cut Tape & Digi-Reel®	Yes	450514
RMCF0603JT330R	Stackpole Electronics Inc	330 Ω	±5%	0.1	±200	0603	Tape & Reel	Yes	267055
ERJ-3EKF3300V	Panasonic Electronic Components	330 Ω	±1%	0.1	±100	0603	Cut Tape & Digi-Reel®	Yes	565584
RC0603FR-07330RL	YAGEO	330 Ω	±1%	0.1	±100	0603	Cut Tape & Digi-Reel®	No	15150
RC0603JR-07330RL	YAGEO	330 Ω	±5%	0.1	±100	0603	Cut Tape & Digi-Reel®	No	5300
RMCF0603FT330R	Stackpole Electronics Inc	330 Ω	±1%	0.1	±100	0603	Cut Tape & Digi-Reel®	Yes	915704
CR0603-JW-331ELF	Bourns Inc.	330 Ω	±5%	0.1	±200	0603	Cut Tape & Digi-Reel®	No	564644

Engineering Selection Recommendations

For Automotive Applications (AEC-Q200 Required): Select from KTR03EZPF3300, CRCW0603330RJNEA, ERJ-3GEYJ331V, ERJ-3EKF3300V, or RMCF0603FT330R. All maintain AEC-Q200 qualification and ROHS3 compliance. KTR03EZPF3300 and ERJ-3EKF3300V offer improved tolerance (±1%) and lower temperature coefficient (±100ppm/°C) for applications requiring tighter resistance control.

For General Industrial Applications: CRG0603F330R, RC0603FR-07330RL, and RC0603JR-07330RL are suitable alternatives. CRG0603F330R provides the highest inventory availability (937,816 pcs) with ±1% tolerance and ±100ppm/°C temperature coefficient. YAGEO parts include moisture-resistant features.

For Supply Chain Continuity: ERJ-3GEYJ331V (Panasonic) and RMCF0603JT330R (Stackpole) offer substantial inventory levels (450,514 and 267,055 pcs respectively) with direct equivalence to the main part specification (±5%, ±200ppm/°C, AEC-Q200).

For Tolerance-Critical Circuits: KTR03EZPF3300, ERJ-3EKF3300V, RMCF0603FT330R, RC0603FR-07330RL, and CRG0603F330R all provide ±1% tolerance with ±100ppm/°C temperature coefficient, suitable for precision analog circuits and reference networks.

Frequently Asked Questions (FAQ)

Q: Can I substitute a ±1% tolerance part for the ±5% KTR03EZPJ331? A: Yes. A ±1% tolerance part is a direct upgrade and will function in any circuit designed for ±5% tolerance. The tighter tolerance provides improved accuracy without compromising compatibility.

Q: Are non-AEC-Q200 parts acceptable replacements? A: Non-AEC-Q200 parts (CRG0603F330R, RC0603FR-07330RL, RC0603JR-07330RL, CR0603-JW-331ELF) are electrically and mechanically compatible but lack automotive qualification. Use only in non-automotive applications or where automotive qualification is not required.

Q: What is the difference between Tape & Reel and Cut Tape & Digi-Reel® packaging? A: Both formats contain identical components. Tape & Reel is continuous tape suitable for high-volume automated assembly. Cut Tape & Digi-Reel® is pre-cut tape on plastic reels, suitable for lower-volume or mixed-component assembly. Selection depends on assembly equipment and order quantities.

Q: Does temperature coefficient affect substitution eligibility? A: Temperature coefficient affects circuit performance in temperature-sensitive applications but does not prevent substitution. A part with ±100ppm/°C (upgrade) will perform better than ±200ppm/°C in temperature-varying environments. Both are mechanically and electrically compatible.

Q: Which substitute offers the best inventory availability? A: CRG0603F330R (TE Connectivity) has the highest inventory at 937,816 pcs, followed by RMCF0603FT330R (Stackpole) at 915,704 pcs. Both are active production parts with ROHS3 compliance.

Q: Can I mix different manufacturers in the same circuit board? A: Yes. All listed substitutes meet identical electrical specifications (330 Ω, 0.1W, 0603 package, -55°C to 155°C operating range) and are ROHS3 compliant. Mixing manufacturers is acceptable for component sourcing flexibility.

Q: Is moisture resistance a critical parameter for substitution? A: Moisture resistance is not a critical substitution parameter. The KTR03EZPJ331 has MSL 1 (unlimited moisture sensitivity), as do all listed substitutes. YAGEO parts (RC0603FR-07330RL, RC0603JR-07330RL) include additional moisture-resistant features but are not required for standard applications.

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