TE Connectivity 1614962-1 Equivalent & Substitute Parts

Part Overview

The TE Connectivity 1614962-1 is a 2.55 kOhms ±0.5% thin film chip resistor rated at 0.1W (1/10W) in 0805 (2012 Metric) surface mount package. This component is classified as obsolete product status. Identifying equivalent and substitute parts is necessary to maintain design continuity, ensure supply chain availability, and support ongoing production requirements for applications utilizing this resistor specification.

Key Parameters

Parameter	Value
Resistance	2.55 kOhms
Tolerance	±0.5%
Power Rating	0.1W (1/10W)
Package / Case	0805 (2012 Metric)
Composition	Thin Film
Operating Temperature Range	-55°C ~ 155°C
Temperature Coefficient	±50ppm/°C
Moisture Sensitivity Level	1 (Unlimited)
Product Status	Obsolete

Substitute Part Grouping Explanation

Substitution of the TE Connectivity 1614962-1 is determined by the following critical parameters:

Mandatory Compatibility Parameters:

Resistance value: 2.55 kOhms (exact match required)
Package / Case: 0805 (2012 Metric) (physical and electrical compatibility)
Composition: Thin Film (electrical performance characteristics)
Operating Temperature Range: -55°C ~ 155°C minimum (functional envelope)
Moisture Sensitivity Level: 1 (Unlimited) (assembly process compatibility)

Allowable Variation Parameters:

Tolerance: ±0.5% or tighter (±0.1%, ±0.05%)
Power Rating: 0.1W or higher (0.125W, 1/8W acceptable)
Temperature Coefficient: ±50ppm/°C or lower (±25ppm/°C, ±10ppm/°C, ±5ppm/°C acceptable)

All substitute parts listed maintain the mandatory parameters while offering equal or improved performance in allowable variation parameters. Substitute parts with active product status and compliance certifications (RoHS3, AEC-Q200) provide enhanced supply chain reliability and design assurance.

Parameter Comparison

Manufacturer Part Number	Manufacturer	Resistance	Tolerance	Power (Watts)	Temp Coeff (ppm/°C)	Operating Temp Range	Product Status	RoHS Status	AEC-Q200
1614962-1	TE Connectivity	2.55 kOhms	±0.5%	0.1W	±50	-55°C ~ 155°C	Obsolete	Not Listed	No
ERA-6AEB2551V	Panasonic	2.55 kOhms	±0.1%	0.125W	±25	-55°C ~ 155°C	Active	ROHS3 Compliant	Yes
MCU08050C2551DP500	Vishay Beyschlag	2.55 kOhms	±0.5%	0.125W	±50	-55°C ~ 155°C	Active	ROHS3 Compliant	No
MCU08050D2551BP500	Vishay Beyschlag	2.55 kOhms	±0.1%	0.125W	±25	-55°C ~ 125°C	Active	ROHS3 Compliant	No
RG2012N-2551-B-T5	Susumu	2.55 kOhms	±0.1%	0.125W	±10	-55°C ~ 155°C	Active	ROHS3 Compliant	Yes
RG2012N-2551-D-T5	Susumu	2.55 kOhms	±0.5%	0.125W	±10	-55°C ~ 155°C	Active	ROHS3 Compliant	Yes
RG2012N-2551-W-T1	Susumu	2.55 kOhms	±0.05%	0.125W	±10	-55°C ~ 155°C	Active	ROHS3 Compliant	Yes
RG2012P-2551-B-T5	Susumu	2.55 kOhms	±0.1%	0.125W	±25	-55°C ~ 155°C	Active	ROHS3 Compliant	Yes
RG2012P-2551-D-T5	Susumu	2.55 kOhms	±0.5%	0.125W	±25	-55°C ~ 155°C	Active	ROHS3 Compliant	Yes
RG2012P-2551-W-T5	Susumu	2.55 kOhms	±0.05%	0.125W	±25	-55°C ~ 155°C	Active	ROHS3 Compliant	Yes
RG2012V-2551-B-T5	Susumu	2.55 kOhms	±0.1%	0.125W	±5	-55°C ~ 155°C	Active	ROHS3 Compliant	Yes

Engineering Selection Recommendations

For Direct Replacement (Matching Tolerance ±0.5%):

MCU08050C2551DP500 (Vishay Beyschlag) provides direct functional equivalence with identical tolerance specification. This part maintains the ±0.5% tolerance and ±50ppm/°C temperature coefficient of the original component while offering higher power rating (0.125W vs 0.1W) and active product status with RoHS3 compliance.

RG2012N-2551-D-T5 (Susumu) offers equivalent tolerance (±0.5%) with enhanced performance characteristics including lower temperature coefficient (±10ppm/°C), higher power rating (0.125W), and AEC-Q200 automotive qualification. Full operating temperature range (-55°C ~ 155°C) is maintained.

For Improved Performance (Tighter Tolerance):

ERA-6AEB2551V (Panasonic) provides ±0.1% tolerance with AEC-Q200 certification and active product status. This component is suitable for applications requiring enhanced precision while maintaining full temperature range compatibility.

RG2012N-2551-B-T5 (Susumu) delivers ±0.1% tolerance with superior temperature coefficient (±10ppm/°C) and AEC-Q200 qualification, supporting automotive and high-reliability applications.

RG2012V-2551-B-T5 (Susumu) offers the lowest temperature coefficient (±5ppm/°C) among substitute options with ±0.1% tolerance and AEC-Q200 certification, suitable for precision analog circuits.

For Maximum Precision (±0.05% Tolerance):

RG2012N-2551-W-T1 (Susumu) and RG2012P-2551-W-T5 (Susumu) both provide ±0.05% tolerance with AEC-Q200 qualification. These components support applications requiring the highest resistance accuracy with active product status and full compliance certifications.

All recommended substitutes maintain 0805 (2012 Metric) package compatibility, thin film composition, and MSL 1 moisture sensitivity rating. All substitute parts listed are RoHS3 compliant with active product status, ensuring long-term supply chain availability.

Frequently Asked Questions (FAQ)

Q: Can the MCU08050D2551BP500 be used as a direct replacement for the TE Connectivity 1614962-1?

A: The MCU08050D2551BP500 is electrically compatible with the original part in terms of resistance value, tolerance, and package. However, the operating temperature range is limited to -55°C ~ 125°C compared to the original -55°C ~ 155°C specification. This part is suitable only for applications not requiring operation above 125°C.

Q: What is the difference between the Susumu RG2012 series variants (N, P, V)?

A: The Susumu RG2012 series variants differ in temperature coefficient specification. RG2012N series has ±10ppm/°C, RG2012P series has ±25ppm/°C, and RG2012V series has ±5ppm/°C. All variants maintain identical resistance value, package, and AEC-Q200 qualification. Selection depends on thermal stability requirements of the application.

Q: Are all substitute parts qualified for automotive applications?

A: Panasonic ERA-6AEB2551V and all Susumu RG2012 series parts carry AEC-Q200 automotive qualification. Vishay MCU series parts do not list AEC-Q200 certification. For automotive applications, Panasonic and Susumu options are recommended.

Q: What is the significance of tolerance tighter than ±0.5%?

A: Tighter tolerance specifications (±0.1%, ±0.05%) provide greater resistance accuracy, reducing circuit performance variation. Applications requiring precise voltage dividers, reference circuits, or gain-setting networks benefit from tighter tolerance components. The original ±0.5% specification is maintained in MCU08050C2551DP500 and RG2012N-2551-D-T5 for direct replacement scenarios.

Q: Is the 0805 package dimension identical across all substitute parts?

A: All substitute parts use the 0805 (2012 Metric) package with identical footprint dimensions (0.079" L x 0.049" W / 2.00mm x 1.25mm). Physical board layout compatibility is maintained. Height variations (0.020" to 0.026") are within standard PCB assembly tolerances and do not affect placement or soldering processes.

Q: Why is the power rating increased from 0.1W to 0.125W in substitute parts?

A: The 0.125W (1/8W) rating in substitute parts provides additional thermal margin and reliability headroom compared to the original 0.1W (1/10W) specification. This higher rating does not affect circuit operation and supports improved component longevity under thermal stress conditions.

Q: Can substitute parts with lower temperature coefficient be used interchangeably?

A: Yes. Lower temperature coefficient values (±5ppm/°C, ±10ppm/°C, ±25ppm/°C) represent improved thermal stability compared to the original ±50ppm/°C specification. These parts are fully interchangeable and provide enhanced performance in temperature-sensitive applications.

Q: What does RoHS3 compliance indicate?

A: RoHS3 compliance certifies that the component meets Restriction of Hazardous Substances Directive requirements, restricting lead and other hazardous materials. All substitute parts listed are RoHS3 compliant, supporting modern manufacturing and environmental standards.

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