ERJ-1TYJ152U Equivalent & Substitute Parts

Part Overview

The ERJ-1TYJ152U is a 1.5 kOhms ±5% 1W thick film chip resistor in 2512 (6432 Metric) package manufactured by Panasonic Electronic Components. This part carries automotive AEC-Q200 qualification and operates across -55°C to 155°C. The product status is listed as Not For New Designs, making identification of equivalent and substitute parts essential for ongoing production support and design transitions.

Key Parameters

Parameter	Value
Resistance	1.5 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

Substitute Part Grouping Explanation

Substitution of the ERJ-1TYJ152U is determined by strict equivalence across the following parameters: resistance value (1.5 kOhms), tolerance (±5%), power rating (1W minimum), package type (2512 metric), composition (thick film), and automotive qualification (AEC-Q200). Parts are grouped into three categories based on substitution relationship:

MFR Recommended Substitute: Parts meeting all electrical specifications but with package or feature variations that require design review.

Upgrade Substitutes: Parts with improved specifications (lower tolerance or higher power rating) that maintain backward compatibility.

Direct Substitutes: Parts with identical or near-identical specifications and can be used as direct replacements.

Parameter Comparison

Manufacturer Part Number	Manufacturer	Resistance	Tolerance	Power (W)	Package	Temp Coeff	Operating Temp	AEC-Q200	Product Status
ERJ-1TYJ152U	Panasonic	1.5 kΩ	±5%	1W	2512	±200ppm/°C	-55°C ~ 155°C	Yes	Not For New Designs
ERJ-B1AJ152U	Panasonic	1.5 kΩ	±5%	1W	Wide 2010 (5025 Metric)	±200ppm/°C	-55°C ~ 155°C	Yes	Active
ERJ-1TNF1501U	Panasonic	1.5 kΩ	±1%	1W	2512	±100ppm/°C	-55°C ~ 155°C	Yes	Not For New Designs
ERJ-S1TJ152U	Panasonic	1.5 kΩ	±5%	1W	2512	±200ppm/°C	-55°C ~ 155°C	Yes	Active
35211K5FT	TE Connectivity	1.5 kΩ	±1%	2W	2512	±100ppm/°C	-55°C ~ 155°C	Yes	Active
CRCW25121K50JNEG	Vishay Dale	1.5 kΩ	±5%	1W	2512	±200ppm/°C	-55°C ~ 155°C	Yes	Active
CRCW25121K50JNEH	Vishay Dale	1.5 kΩ	±5%	1W	2512	±200ppm/°C	-55°C ~ 155°C	Yes	Active
CRCW25121K50JNTG	Vishay Dale	1.5 kΩ	±5%	1W	2512	±200ppm/°C	-55°C ~ 155°C	No	Active
HVCB2512JKL1K50	Stackpole Electronics	1.5 kΩ	±5%	2W	2512	±200ppm/°C	-55°C ~ 150°C	No	Active
RMCF2512JT1K50	Stackpole Electronics	1.5 kΩ	±5%	1W	2512	±200ppm/°C	-55°C ~ 155°C	Yes	Active
CRCW25121K50JNEGHP	Vishay Dale	1.5 kΩ	±5%	1.5W	2512	±200ppm/°C	-55°C ~ 155°C	Yes	Active

Engineering Selection Recommendations

For Direct Replacement (Same Specifications): RMCF2512JT1K50 (Stackpole Electronics), CRCW25121K50JNEG (Vishay Dale), and CRCW25121K50JNEH (Vishay Dale) provide identical electrical and mechanical specifications with Active product status. All three maintain AEC-Q200 automotive qualification, ROHS3 compliance, and the same operating temperature range.

For Improved Tolerance: ERJ-1TNF1501U and 35211K5FT offer ±1% tolerance with lower temperature coefficient (±100ppm/°C) compared to the original ±5% / ±200ppm/°C specification. Both maintain AEC-Q200 qualification and operate across -55°C to 155°C. ERJ-1TNF1501U preserves the 1W power rating in 2512 package, while 35211K5FT provides 2W capability.

For Enhanced Power Handling: CRCW25121K50JNEGHP (1.5W) and HVCB2512JKL1K50 (2W) offer increased power dissipation. CRCW25121K50JNEGHP maintains full AEC-Q200 compliance. HVCB2512JKL1K50 provides high voltage and moisture-resistant characteristics but lacks AEC-Q200 rating and operates to 150°C maximum.

For Package Variation: ERJ-B1AJ152U is an Active Panasonic part with identical electrical specifications but uses Wide 2010 (5025 Metric) package instead of 2512. This requires PCB layout modification.

Compliance Consideration: CRCW25121K50JNTG is RoHS non-compliant and REACH Affected; use only where legacy compliance requirements apply.

Frequently Asked Questions (FAQ)

Q: Can ERJ-S1TJ152U replace ERJ-1TYJ152U directly? A: Yes. ERJ-S1TJ152U is an Active product with identical resistance (1.5 kOhms), tolerance (±5%), power rating (1W), package (2512), and operating temperature range (-55°C ~ 155°C). The primary difference is the addition of anti-sulfur protection, which does not affect electrical compatibility.

Q: What is the difference between CRCW25121K50JNEG and CRCW25121K50JNEH? A: Both are Vishay Dale CRCW series parts with identical electrical specifications. The difference is packaging: JNEG uses Cut Tape (CT) & Digi-Reel®, while JNEH uses Tape & Reel (TR). Electrical performance is equivalent.

Q: Can I use CRCW25121K50JNEGHP as a drop-in replacement? A: Yes, with design margin benefit. CRCW25121K50JNEGHP provides 1.5W power rating versus the original 1W, maintaining all other specifications including 2512 package, ±5% tolerance, and AEC-Q200 qualification. This allows higher current handling without changing the PCB footprint.

Q: Why does HVCB2512JKL1K50 have a lower maximum operating temperature? A: HVCB2512JKL1K50 operates to 150°C maximum versus 155°C for the original part. This 5°C difference may be significant in high-temperature applications. Verify thermal requirements before substitution.

Q: Is CRCW25121K50JNTG suitable for automotive applications? A: CRCW25121K50JNTG is not AEC-Q200 qualified and is RoHS non-compliant. It is not suitable for new automotive designs. Use only in legacy or non-automotive applications where compliance requirements differ.

Q: What is the inventory status for active substitutes? A: RMCF2512JT1K50 has the highest inventory (23,765 pcs), followed by CRCW25121K50JNEG (1,904 pcs) and CRCW25121K50JNEH (1,116 pcs). ERJ-S1TJ152U (884 pcs) is also available as an Active Panasonic alternative.

Q: Can I use a higher tolerance part (±1%) in place of ±5%? A: Yes. ERJ-1TNF1501U and 35211K5FT both offer ±1% tolerance, which is tighter than the original ±5%. This provides improved accuracy and is backward compatible for applications that do not require the original tolerance specification.

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