KTR03EZPJ335 Equivalent & Substitute Parts

Part Overview

The KTR03EZPJ335 is a 3.3 MOhms ±5% thick film chip resistor in 0603 (1608 Metric) package rated for 0.1W power dissipation. Manufactured by Rohm Semiconductor, this component is AEC-Q200 automotive qualified and designed for high-voltage applications with operating temperature range of -55°C to 155°C. The part is active in production with ROHS3 compliance and unlimited moisture sensitivity level (MSL 1).

Equivalent and substitute parts are necessary when the primary part experiences supply constraints, extended lead times, or when design requirements permit tolerance or feature variations while maintaining electrical and mechanical compatibility.

Key Parameters

Parameter	Value
Resistance	3.3 MOhms
Tolerance	±5%
Power Rating	0.1W (1/10W)
Package / Case	0603 (1608 Metric)
Composition	Thick Film
Operating Temperature	-55°C ~ 155°C
RoHS Status	ROHS3 Compliant
Moisture Sensitivity Level	1 (Unlimited)

Substitute Part Grouping Explanation

Substitution eligibility is determined by strict adherence to the following parameters:

Resistance Value: Must be 3.3 MOhms
Package / Case: Must be 0603 (1608 Metric)
Power Rating: Must be 0.1W (1/10W)
Composition: Must be Thick Film
Operating Temperature Range: Must support -55°C ~ 155°C minimum
RoHS Status: Must be ROHS3 Compliant
Moisture Sensitivity Level: Must be MSL 1 or better

Tolerance variations (±5% vs ±1%) and feature differences (AEC-Q200 automotive qualification, moisture resistance) are permitted variations that do not prevent substitution but may affect application suitability. Temperature coefficient differences are noted but do not restrict substitution eligibility when all core parameters align.

Parameter Comparison

Part Number	Manufacturer	Resistance	Tolerance	Power (W)	Package	Temp Coeff (ppm/°C)	Operating Temp (°C)	Features	RoHS
KTR03EZPJ335	Rohm Semiconductor	3.3 MOhms	±5%	0.1	0603	±200	-55 ~ 155	Automotive AEC-Q200, High Voltage	ROHS3
KTR03EZPF3304	Rohm Semiconductor	3.3 MOhms	±1%	0.1	0603	±100	-55 ~ 155	Automotive AEC-Q200, High Voltage	ROHS3
CRCW06033M30JNEA	Vishay Dale	3.3 MOhms	±5%	0.1	0603	±200	-55 ~ 155	Automotive AEC-Q200	ROHS3
RC0603JR-073M3L	YAGEO	3.3 MOhms	±5%	0.1	0603	±100	-55 ~ 155	Moisture Resistant	ROHS3
RMCF0603FT3M30	Stackpole Electronics Inc	3.3 MOhms	±1%	0.1	0603	±200	-55 ~ 155	Automotive AEC-Q200	ROHS3
RMCF0603JT3M30	Stackpole Electronics Inc	3.3 MOhms	±5%	0.1	0603	±200	-55 ~ 155	Automotive AEC-Q200	ROHS3
CR0603-JW-335ELF	Bourns Inc.	3.3 MOhms	±5%	0.1	0603	±200	-55 ~ 155	Moisture Resistant	ROHS3

Engineering Selection Recommendations

All listed substitute parts meet the core electrical and mechanical requirements for direct substitution with the KTR03EZPJ335. Selection among alternatives should be based on the following criteria:

Tolerance Requirements: Parts with ±1% tolerance (KTR03EZPF3304, RMCF0603FT3M30) provide tighter resistance accuracy compared to the ±5% specification of the primary part. These are suitable for applications requiring enhanced precision.

Automotive Qualification: Parts carrying AEC-Q200 certification (KTR03EZPF3304, CRCW06033M30JNEA, RMCF0603FT3M30, RMCF0603JT3M30) are qualified for automotive applications. The primary part and these substitutes maintain this qualification level.

Moisture Resistance Feature: RC0603JR-073M3L and CR0603-JW-335ELF include explicit moisture-resistant construction. These are appropriate for applications in high-humidity or corrosive environments.

Manufacturer Availability: All parts are active in production with substantial inventory levels, ensuring supply continuity.

Frequently Asked Questions (FAQ)

Q: Can KTR03EZPF3304 replace KTR03EZPJ335 in all applications?

A: Yes. KTR03EZPF3304 is electrically and mechanically compatible. The primary difference is tighter tolerance (±1% vs ±5%), which represents an improvement in accuracy. Both parts share identical package, power rating, operating temperature range, and AEC-Q200 automotive qualification.

Q: What is the difference between parts with and without AEC-Q200 certification?

A: AEC-Q200 certification indicates the part meets automotive industry reliability and quality standards. Parts with this certification (KTR03EZPF3304, CRCW06033M30JNEA, RMCF0603FT3M30, RMCF0603JT3M30) are qualified for automotive applications. Parts without this designation (RC0603JR-073M3L, CR0603-JW-335ELF) are suitable for general industrial and consumer applications.

Q: Are all substitute parts available in the same packaging format?

A: All substitute parts use 0603 (1608 Metric) package with identical footprint dimensions (1.60mm x 0.80mm length and width). Packaging format varies between Tape & Reel (TR) and Cut Tape (CT) & Digi-Reel options, but component dimensions and land pattern compatibility remain consistent.

Q: Does temperature coefficient affect substitution compatibility?

A: Temperature coefficient differences (±100ppm/°C vs ±200ppm/°C) do not prevent substitution. These variations affect resistance stability across temperature extremes but do not restrict mechanical or electrical compatibility. Selection should consider application temperature cycling requirements.

Q: Can moisture-resistant variants be used in standard applications?

A: Yes. Moisture-resistant variants (RC0603JR-073M3L, CR0603-JW-335ELF) are fully compatible with standard applications and provide additional environmental protection without performance trade-offs.

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