Equivalent & Substitute Parts for ERJ-1TYJ114U

Part Overview

The Panasonic ERJ-1TYJ114U is a 110 kOhms ±5% 1W thick film chip resistor in 2512 (6432 Metric) package with automotive AEC-Q200 qualification. This part is classified as "Not For New Designs," making identification of equivalent and substitute components essential for ongoing production support, design updates, and supply chain continuity. Equivalent parts maintain identical electrical and mechanical specifications, while substitute parts offer enhanced performance characteristics or alternative sourcing options within compatible parameter ranges.

Key Parameters

Parameter	Value
Resistance	110 kOhms
Tolerance	±5%
Power Rating	1W
Package / Case	2512 (6432 Metric)
Composition	Thick Film
Temperature Coefficient	±200ppm/°C
Operating Temperature Range	-55°C ~ 155°C
Automotive Rating	AEC-Q200
RoHS Status	ROHS3 Compliant
Moisture Sensitivity Level	1 (Unlimited)

Substitute Part Grouping Explanation

Substitute parts are classified into three categories based on their relationship to the main part ERJ-1TYJ114U:

Upgrade Substitutes maintain the same resistance, package, and power rating while offering improved tolerance or enhanced features. These parts are direct functional upgrades suitable for new designs or performance-critical applications.

Direct Substitutes match all critical electrical parameters (resistance, tolerance, power rating, package) and maintain equivalent thermal and environmental specifications. These parts are interchangeable for direct replacement in existing designs.

Similar Substitutes share the same resistance, tolerance, power rating, and package but may have minor variations in operating temperature range or feature set. These parts are compatible for applications where the specified parameter differences do not impact system performance.

Substitution eligibility is determined by the following key parameters:

Resistance value (110 kOhms)
Tolerance grade (±5% or tighter)
Power rating (1W or higher)
Package type (2512 / 6432 Metric)
Composition (Thick Film)
Operating temperature range compatibility (-55°C minimum, 155°C maximum preferred)
Automotive AEC-Q200 certification (where applicable)
RoHS3 compliance

Parameter Comparison

Manufacturer Part Number	Manufacturer	Resistance	Tolerance	Power (W)	Temp Coeff (ppm/°C)	Op. Temp Range	AEC-Q200	Product Status	RoHS Status
ERJ-1TYJ114U	Panasonic	110 kOhms	±5%	1	±200	-55°C ~ 155°C	Yes	Not For New Designs	ROHS3 Compliant
ERJ-1TNF1103U	Panasonic	110 kOhms	±1%	1	±100	-55°C ~ 155°C	Yes	Not For New Designs	ROHS3 Compliant
ERJ-S1TJ114U	Panasonic	110 kOhms	±5%	1	±200	-55°C ~ 155°C	Yes	Active	ROHS3 Compliant
3520110KJT	TE Connectivity	110 kOhms	±5%	1	±200	-55°C ~ 125°C	No	Active	ROHS3 Compliant
3521110KFT	TE Connectivity	110 kOhms	±1%	2	±100	-55°C ~ 155°C	Yes	Active	ROHS3 Compliant
CRCW2512110KJNEG	Vishay Dale	110 kOhms	±5%	1	±200	-55°C ~ 155°C	Yes	Active	ROHS3 Compliant
CRCW2512110KJNTG	Vishay Dale	110 kOhms	±5%	1	±200	-55°C ~ 155°C	No	Active	RoHS Non-Compliant
RMCF2512JT110K	Stackpole Electronics	110 kOhms	±5%	1	±200	-55°C ~ 155°C	Yes	Active	ROHS3 Compliant
CRCW2512110KJNEGHP	Vishay Dale	110 kOhms	±5%	1.5	±200	-55°C ~ 155°C	Yes	Active	ROHS3 Compliant
CRGV2512J110K	TE Connectivity	110 kOhms	±5%	1	±200	-55°C ~ 125°C	No	Active	ROHS3 Compliant

Engineering Selection Recommendations

For Direct Replacement (Equivalent Function): ERJ-S1TJ114U is the recommended primary substitute. This Panasonic part maintains identical electrical specifications (110 kOhms ±5%, 1W) and package configuration while offering Active product status and Anti-Sulfur feature enhancement. Full compatibility with existing PCB layouts and thermal management designs is assured.

For Active Production with Enhanced Compliance: CRCW2512110KJNEG (Vishay Dale) and RMCF2512JT110K (Stackpole Electronics) are suitable direct substitutes with Active product status, full AEC-Q200 automotive qualification, and ROHS3 compliance. Both maintain identical electrical and thermal specifications to the original part.

For Improved Tolerance Requirements: ERJ-1TNF1103U (Panasonic) and 3521110KFT (TE Connectivity) offer ±1% tolerance with reduced temperature coefficient (±100ppm/°C), providing enhanced accuracy for precision applications. The 3521110KFT additionally provides 2W power rating for thermal margin applications.

For Enhanced Pulse Withstanding Capability: CRCW2512110KJNEGHP (Vishay Dale) provides 1.5W power rating with pulse withstanding feature while maintaining all other specifications of the original part. This option is suitable for applications requiring transient overvoltage protection.

Parts to Avoid: CRCW2512110KJNTG is not recommended due to RoHS non-compliance and REACH-affected status, which may conflict with regulatory requirements in target markets.

3520110KJT and CRGV2512J110K have reduced operating temperature maximum (125°C vs. 155°C) and lack AEC-Q200 certification, limiting suitability for automotive applications requiring full temperature range operation.

Frequently Asked Questions (FAQ)

Q: Can ERJ-S1TJ114U be used as a direct replacement for ERJ-1TYJ114U? A: Yes. Both parts share identical resistance (110 kOhms), tolerance (±5%), power rating (1W), package (2512), and operating temperature range (-55°C ~ 155°C). ERJ-S1TJ114U has Active product status and includes Anti-Sulfur feature, making it the preferred upgrade path.

Q: What is the difference between the Panasonic ERJ-1TNF1103U and the original ERJ-1TYJ114U? A: The ERJ-1TNF1103U offers improved tolerance (±1% vs. ±5%) and lower temperature coefficient (±100ppm/°C vs. ±200ppm/°C). Resistance value and power rating remain identical. This upgrade is suitable for applications requiring tighter tolerance specifications.

Q: Are TE Connectivity 3520110KJT and CRGV2512J110K suitable replacements? A: These parts match the electrical specifications but have a reduced maximum operating temperature of 125°C compared to the original 155°C. They lack AEC-Q200 automotive certification. Use only in applications where the lower temperature limit and non-automotive rating are acceptable.

Q: Why is CRCW2512110KJNEGHP listed as an upgrade? A: This part provides 1.5W power rating (vs. 1W) with pulse withstanding capability while maintaining all other specifications. It offers thermal margin for applications subject to transient overvoltage conditions.

Q: What does ROHS3 compliance mean for component selection? A: ROHS3 compliance indicates the part meets Restriction of Hazardous Substances Directive requirements, restricting lead and other hazardous materials. All recommended substitutes maintain ROHS3 compliance to ensure regulatory alignment with the original part.

Q: Can I use a higher power-rated resistor as a substitute? A: Yes, provided all other parameters match. Higher power ratings (1.5W or 2W) are backward compatible with 1W applications and provide additional thermal margin. Verify PCB layout accommodates any dimensional variations.

Q: Are there inventory considerations for substitute selection? A: Yes. CRCW2512110KJNEG has the highest inventory availability (139,400 pcs), while ERJ-S1TJ114U (921 pcs) and CRCW2512110KJNEGHP (817 pcs) have limited stock. Consider lead times and supply chain stability when selecting substitutes for production planning.

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