TE Connectivity 1879061-1 Equivalent & Substitute Parts

Part Overview

The TE Connectivity 1879061-1 is a 3 kOhms ±0.1% thin film chip resistor in 0402 (1005 Metric) package rated at 0.063W (1/16W) power dissipation. This component operates across -55°C to 155°C with a temperature coefficient of ±25ppm/°C and is classified as obsolete. Due to its obsolete status, equivalent substitute parts from active manufacturers are necessary to maintain design continuity and ensure long-term component availability for production and field replacement applications.

Key Parameters

Parameter	Value
Resistance	3 kOhms
Tolerance	±0.1%
Power Rating	0.063W (1/16W)
Package / Case	0402 (1005 Metric)
Composition	Thin Film
Temperature Coefficient	±25ppm/°C
Operating Temperature Range	-55°C ~ 155°C
Moisture Sensitivity Level	1 (Unlimited)
Number of Terminations	2

Substitute Part Grouping Explanation

Substitution eligibility for the TE Connectivity 1879061-1 is determined by the following critical parameters:

Mandatory Matching Parameters:

Resistance value: 3 kOhms
Tolerance: ±0.1% (minimum requirement)
Package / Case: 0402 (1005 Metric)
Composition: Thin Film
Temperature Coefficient: ±25ppm/°C (or tighter)
Operating Temperature Range: -55°C ~ 155°C (minimum)
Power Rating: 0.063W (1/16W) minimum

Acceptable Variations:

Tolerance tighter than ±0.1% (e.g., ±0.05%)
Power rating higher than 0.063W
Temperature coefficient tighter than ±25ppm/°C
Operating temperature range extended beyond -55°C ~ 155°C
Additional features (Automotive AEC-Q200, Anti-Sulfur, Moisture Resistant)
Product status: Active preferred over Obsolete

Substitute parts are grouped into two categories: Direct Equivalents (matching all core parameters) and Upgrades (enhanced specifications while maintaining core compatibility).

Parameter Comparison

Part Number	Manufacturer	Resistance	Tolerance	Power (W)	Temp Coeff (ppm/°C)	Temp Range (°C)	Product Status	Features
1879061-1	TE Connectivity	3 kΩ	±0.1%	0.063	±25	-55 ~ 155	Obsolete	—
ERA-2AEB302X	Panasonic	3 kΩ	±0.1%	0.063	±25	-55 ~ 155	Active	Automotive AEC-Q200
MCS04020D3001BE100	Vishay Beyschlag	3 kΩ	±0.1%	0.063	±25	-55 ~ 125	Active	Anti-Sulfur
RG1005P-302-B-T5	Susumu	3 kΩ	±0.1%	0.063	±25	-55 ~ 155	Active	Anti-Sulfur, Automotive AEC-Q200
RT0402BRD073KL	YAGEO	3 kΩ	±0.1%	0.063	±25	-55 ~ 155	Active	—
TNPW04023K00BEED	Vishay Dale	3 kΩ	±0.1%	0.13	±25	-55 ~ 175	Active	Anti-Sulfur, Automotive AEC-Q200, Moisture Resistant
RG1005N-302-B-T5	Susumu	3 kΩ	±0.1%	0.063	±10	-55 ~ 155	Active	Anti-Sulfur, Automotive AEC-Q200
RG1005N-302-W-T1	Susumu	3 kΩ	±0.05%	0.063	±10	-55 ~ 155	Active	Anti-Sulfur, Automotive AEC-Q200
RG1005P-302-W-T5	Susumu	3 kΩ	±0.05%	0.063	±25	-55 ~ 155	Active	Anti-Sulfur, Automotive AEC-Q200

Engineering Selection Recommendations

Direct Equivalents (Functionally Identical):

The following parts provide direct functional equivalence to the TE Connectivity 1879061-1 with all core parameters matching:

ERA-2AEB302X (Panasonic): Active status with Automotive AEC-Q200 certification. Identical electrical specifications and operating range. Suitable for general-purpose and automotive applications.
RT0402BRD073KL (YAGEO): Active status with matching specifications. No additional certifications. Suitable for general-purpose applications requiring standard thin film performance.
RG1005P-302-B-T5 (Susumu): Active status with Automotive AEC-Q200 and Anti-Sulfur features. Identical core specifications with enhanced environmental protection.

Enhanced Substitutes (Upgraded Specifications):

TNPW04023K00BEED (Vishay Dale): Higher power rating (0.13W vs. 0.063W), extended temperature range (-55°C ~ 175°C), Automotive AEC-Q200, Anti-Sulfur, and Moisture Resistant features. Suitable for applications requiring higher thermal margin and enhanced reliability.
RG1005N-302-B-T5 (Susumu): Tighter temperature coefficient (±10ppm/°C vs. ±25ppm/°C), Automotive AEC-Q200, Anti-Sulfur. Suitable for precision applications requiring improved temperature stability.
RG1005N-302-W-T1 (Susumu): Tighter tolerance (±0.05% vs. ±0.1%), tighter temperature coefficient (±10ppm/°C), Automotive AEC-Q200, Anti-Sulfur. Suitable for high-precision applications.
RG1005P-302-W-T5 (Susumu): Tighter tolerance (±0.05% vs. ±0.1%), Automotive AEC-Q200, Anti-Sulfur. Suitable for precision applications with automotive requirements.

Restricted Substitute:

MCS04020D3001BE100 (Vishay Beyschlag): Operating temperature range limited to -55°C ~ 125°C (vs. -55°C ~ 155°C). Use only in applications where maximum operating temperature does not exceed 125°C.

All substitute parts are RoHS3 compliant, REACH unaffected, and classified under ECCN EAR99 with identical HTSUS coding (8533.21.0030).

Frequently Asked Questions (FAQ)

Q: Can I use a substitute part with ±0.05% tolerance instead of ±0.1%?

A: Yes. Tighter tolerance is an acceptable upgrade. Parts with ±0.05% tolerance (RG1005N-302-W-T1, RG1005P-302-W-T5) provide improved accuracy while maintaining full compatibility with the original design.

Q: What is the difference between the Susumu RG series parts?

A: The RG1005P-302-B-T5 has ±25ppm/°C temperature coefficient, while RG1005N-302-B-T5 and RG1005N-302-W-T1 have ±10ppm/°C. The "W" designation indicates ±0.05% tolerance versus "B" which indicates ±0.1% tolerance. Select based on your precision and temperature stability requirements.

Q: Is the Vishay MCS04020D3001BE100 suitable for all applications?

A: No. This part has a maximum operating temperature of 125°C, compared to 155°C for the original part. Use only in applications where the maximum operating temperature does not exceed 125°C.

Q: What does Automotive AEC-Q200 certification mean?

A: AEC-Q200 is an automotive qualification standard for passive components. Parts with this certification (ERA-2AEB302X, RG1005P-302-B-T5, TNPW04023K00BEED, RG1005N-302-B-T5, RG1005N-302-W-T1, RG1005P-302-W-T5) are qualified for automotive applications and provide enhanced reliability assurance.

Q: Can I use TNPW04023K00BEED as a direct replacement?

A: Yes, with considerations. This part has higher power rating (0.13W vs. 0.063W) and extended temperature range (-55°C ~ 175°C), making it suitable for applications requiring greater thermal margin. The higher power rating does not create compatibility issues in standard circuits.

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

A: Yes. All substitute parts use 0402 (1005 Metric) package with 2 terminations, identical footprint dimensions (0.039" L x 0.020" W / 1.00mm x 0.50mm), and Moisture Sensitivity Level 1 (Unlimited). All are supplied in Tape & Reel (TR) packaging.

Q: What is the difference between Anti-Sulfur and standard thin film resistors?

A: Anti-Sulfur resistors include protective measures against sulfur contamination in high-sulfur environments. Parts with this feature (MCS04020D3001BE100, RG1005P-302-B-T5, TNPW04023K00BEED, RG1005N-302-B-T5, RG1005N-302-W-T1, RG1005P-302-W-T5) provide enhanced reliability in industrial and automotive applications.

Q: Which substitute offers the best overall performance upgrade?

A: RG1005N-302-W-T1 provides the most comprehensive upgrade with ±0.05% tolerance, ±10ppm/°C temperature coefficient, Automotive AEC-Q200, and Anti-Sulfur features, while maintaining identical power rating and operating temperature range.

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