352033KJT Equivalent & Substitute Parts

Part Overview

The 352033KJT is a 33 kOhms ±5% 1W thick film chip resistor manufactured by TE Connectivity Passive Product in the 2512 (6432 Metric) package format. This component is classified as Active product status and is supplied in Tape & Reel packaging. Equivalent and substitute parts are identified when design requirements necessitate alternative sourcing, inventory availability, enhanced specifications, or compliance with specific application standards such as automotive qualification or improved tolerance ratings.

Key Parameters

Parameter	Value
Resistance	33 kOhms
Tolerance	±5%
Power Rating	1W
Package / Case	2512 (6432 Metric)
Composition	Thick Film
Temperature Coefficient	±200ppm/°C
Operating Temperature Range	-55°C ~ 125°C
RoHS Status	ROHS3 Compliant
Moisture Sensitivity Level	1 (Unlimited)

Substitute Part Grouping Explanation

Substitute parts for the 352033KJT are classified into three categories based on electrical and mechanical compatibility:

Direct Equivalents maintain identical electrical specifications (33 kOhms, ±5%, 1W) and package format (2512), with variations in manufacturer, product status, and automotive qualification. These parts are pin-compatible and functionally interchangeable without circuit modification.

Upgrade Options provide enhanced specifications including increased power rating (2W) or improved tolerance (±1%), while maintaining the 33 kOhms resistance value and 2512 package. These parts offer superior performance margins and are backward-compatible with designs specified for 1W ratings.

Similar Alternatives share core electrical parameters (33 kOhms, ±5%, 1W, 2512 package) but originate from different manufacturers. Substitution is based on matching resistance value, tolerance, power rating, package type, composition, temperature coefficient, and operating temperature range.

The critical parameters determining substitution eligibility are: resistance value (33 kOhms), tolerance (±5% minimum), power rating (1W minimum), package format (2512), composition (thick film), and operating temperature range (-55°C minimum to 125°C minimum).

Parameter Comparison

Part Number	Manufacturer	Resistance	Tolerance	Power (W)	Temp Coeff	Operating Temp	Package	Product Status	Features
352033KJT	TE Connectivity	33 kOhms	±5%	1W	±200ppm/°C	-55°C ~ 125°C	2512	Active	—
ERJ-1TYJ333U	Panasonic	33 kOhms	±5%	1W	±200ppm/°C	-55°C ~ 155°C	2512	Not For New Designs	Automotive AEC-Q200
RMCF2512JT33K0	Stackpole Electronics	33 kOhms	±5%	1W	±200ppm/°C	-55°C ~ 155°C	2512	Active	Automotive AEC-Q200
CRCW251233K0JNEG	Vishay Dale	33 kOhms	±5%	1W	±200ppm/°C	-55°C ~ 155°C	2512	Active	Automotive AEC-Q200
CRM2512-JW-333ELF	Bourns Inc.	33 kOhms	±5%	2W	±200ppm/°C	-55°C ~ 155°C	2512	Active	Current Sense
RHC2512FT33K0	Stackpole Electronics	33 kOhms	±1%	2W	±100ppm/°C	-55°C ~ 155°C	2512	Active	Moisture Resistant

Engineering Selection Recommendations

For Direct Replacement: Select RMCF2512JT33K0 (Stackpole Electronics) or CRCW251233K0JNEG (Vishay Dale) when equivalent specifications are required. Both parts maintain Active product status, provide extended operating temperature range to 155°C, and carry automotive AEC-Q200 qualification. RMCF2512JT33K0 is preferred for new designs due to Active status and established supply chain.

For Automotive Applications: RMCF2512JT33K0 and CRCW251233K0JNEG are qualified to AEC-Q200 standard. ERJ-1TYJ333U (Panasonic) also carries AEC-Q200 qualification but is designated Not For New Designs; use only for legacy system support or replacement applications.

For Enhanced Performance: RHC2512FT33K0 (Stackpole Electronics) provides upgraded specifications with ±1% tolerance (versus ±5%), 2W power rating (versus 1W), and ±100ppm/°C temperature coefficient (versus ±200ppm/°C). This part is suitable for applications requiring tighter tolerance control and higher thermal margin. CRM2512-JW-333ELF (Bourns Inc.) offers 2W rating with current sense capability for specialized measurement applications.

Compliance Considerations: All listed parts are ROHS3 compliant and carry MSL 1 (Unlimited) moisture sensitivity rating. REACH status is either Unaffected or Vendor Undefined across the substitute list. All parts share EAR99 ECCN classification and identical HTSUS code 8533.21.0030.

Frequently Asked Questions (FAQ)

Q: Can ERJ-1TYJ333U replace 352033KJT in new designs?

A: ERJ-1TYJ333U is designated Not For New Designs by Panasonic. While electrically equivalent, it should not be selected for new product development. Use RMCF2512JT33K0 or CRCW251233K0JNEG instead.

Q: What is the difference between 1W and 2W rated parts in this list?

A: Power rating indicates maximum continuous power dissipation capability. The 1W parts (352033KJT, ERJ-1TYJ333U, RMCF2512JT33K0, CRCW251233K0JNEG) are suitable for applications with lower power dissipation. The 2W parts (CRM2512-JW-333ELF, RHC2512FT33K0) provide higher thermal margin and are backward-compatible with 1W-rated designs, allowing for increased current capacity or safety margin.

Q: Are all substitute parts physically compatible with the 352033KJT footprint?

A: All listed parts use the 2512 (6432 Metric) package format with identical termination count (2). Physical dimensions vary slightly between manufacturers (length ranges 0.248" to 0.252", width ranges 0.122" to 0.126", height 0.028" to 0.031" maximum). These variations are within standard PCB pad tolerance and do not affect mechanical compatibility.

Q: What does AEC-Q200 qualification mean?

A: AEC-Q200 is an automotive industry standard qualification for passive components. Parts carrying this rating (ERJ-1TYJ333U, RMCF2512JT33K0, CRCW251233K0JNEG) have been tested and approved for automotive applications and extended temperature ranges. Use AEC-Q200 qualified parts for automotive or high-reliability applications.

Q: Can RHC2512FT33K0 be used as a direct replacement for 352033KJT?

A: RHC2512FT33K0 is electrically compatible but offers enhanced specifications: ±1% tolerance (tighter than ±5%), 2W power rating (higher than 1W), and ±100ppm/°C temperature coefficient (lower than ±200ppm/°C). It is a suitable upgrade option and backward-compatible with designs specified for the 352033KJT, providing improved performance margins.

Q: What is the difference between tolerance ratings ±5% and ±1%?

A: Tolerance specifies the allowable deviation from the nominal resistance value. A ±5% tolerance on 33 kOhms allows resistance between 31.35 kOhms and 34.65 kOhms. A ±1% tolerance on 33 kOhms allows resistance between 32.67 kOhms and 33.33 kOhms. Tighter tolerance (±1%) is required for precision applications where resistance accuracy is critical.

Q: Are all parts ROHS3 compliant?

A: Yes, all listed parts (352033KJT, ERJ-1TYJ333U, RMCF2512JT33K0, CRCW251233K0JNEG, CRM2512-JW-333ELF, RHC2512FT33K0) are ROHS3 compliant and suitable for applications requiring lead-free and restricted substance compliance.

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