TE Connectivity 1614941-1 Equivalent & Substitute Parts

Part Overview

The TE Connectivity 1614941-1 is a 5.11 kOhms ±0.1% thin film chip resistor in 0805 (2012 Metric) package rated for 0.1W (1/10W) operation across -55°C to 155°C. This component is classified as obsolete product status. Equivalent and substitute parts are necessary to maintain design continuity and ensure component availability for production and repair applications. Substitute parts maintain the core electrical specifications while offering enhanced features, improved availability, or active product status from alternative manufacturers.

Key Parameters

Parameter	Value	Criticality for Substitution
Resistance Value	5.11 kOhms	Critical - Must Match Exactly
Tolerance	±0.1%	Critical - Defines Precision Class
Power Rating	0.1W (1/10W)	Critical - Minimum Requirement
Package Type	0805 (2012 Metric)	Critical - Physical Compatibility
Composition	Thin Film	Critical - Performance Characteristics
Temperature Coefficient	±25ppm/°C	Important - Stability Parameter
Operating Temperature Range	-55°C to 155°C	Critical - Environmental Compatibility
Terminations	2	Critical - Electrical Connection
Moisture Sensitivity Level	MSL 1 (Unlimited)	Important - Handling Requirements

Substitute Part Grouping Explanation

Substitute parts for the TE Connectivity 1614941-1 are grouped based on strict electrical and mechanical parameter compatibility. All substitute parts maintain the following critical specifications:

Mandatory Matching Parameters:

Resistance: 5.11 kOhms (exact value)
Tolerance: ±0.1% minimum (tighter tolerances acceptable)
Package: 0805 (2012 Metric)
Composition: Thin Film
Operating Temperature Range: -55°C to 155°C minimum
Terminations: 2
Moisture Sensitivity: MSL 1

Power Rating Substitution Logic: Substitute parts with power ratings equal to or greater than 0.1W are electrically compatible. Higher power ratings provide design margin and thermal headroom. Parts rated at 0.125W (1/8W) and 0.25W (1/4W) are acceptable substitutes as they maintain the same physical footprint and electrical performance while providing enhanced power dissipation capability.

Temperature Coefficient Consideration: The main part specifies ±25ppm/°C. Substitute parts with equal or lower temperature coefficients (±10ppm/°C, ±5ppm/°C, ±0.05% tolerance variants) provide improved stability and are functionally superior.

Certification and Feature Compatibility: Substitute parts with Automotive AEC-Q200 certification and Anti-Sulfur features provide enhanced reliability for demanding applications while maintaining full backward compatibility with the original specification.

Parameter Comparison

Part Number	Manufacturer	Resistance	Tolerance	Power Rating	Temp Coeff	Operating Temp	Package	Product Status	AEC-Q200
1614941-1	TE Connectivity	5.11 kΩ	±0.1%	0.1W	±25ppm/°C	-55 to 155°C	0805	Obsolete	No
RNCF0805BKE5K11	Stackpole Electronics	5.11 kΩ	±0.1%	0.25W	±25ppm/°C	-55 to 155°C	0805	Active	Yes
RNCF0805BTE5K11	Stackpole Electronics	5.11 kΩ	±0.1%	0.25W	±25ppm/°C	-55 to 155°C	0805	Active	Yes
ERA-6AEB5111V	Panasonic Electronic Components	5.11 kΩ	±0.1%	0.125W	±25ppm/°C	-55 to 155°C	0805	Active	Yes
MCU08050D5111BP500	Vishay Beyschlag	5.11 kΩ	±0.1%	0.125W	±25ppm/°C	-55 to 125°C	0805	Active	No
MCU0805MD5111BP100	Vishay Beyschlag	5.11 kΩ	±0.1%	0.125W	±25ppm/°C	-55 to 155°C	0805	Active	Yes
RG2012N-5111-B-T5	Susumu	5.11 kΩ	±0.1%	0.125W	±10ppm/°C	-55 to 155°C	0805	Active	Yes
RG2012N-5111-W-T1	Susumu	5.11 kΩ	±0.05%	0.125W	±10ppm/°C	-55 to 155°C	0805	Active	Yes
RG2012P-5111-B-T5	Susumu	5.11 kΩ	±0.1%	0.125W	±25ppm/°C	-55 to 155°C	0805	Active	Yes
RG2012P-5111-W-T5	Susumu	5.11 kΩ	±0.05%	0.125W	±25ppm/°C	-55 to 155°C	0805	Active	Yes
RG2012V-5111-B-T5	Susumu	5.11 kΩ	±0.1%	0.125W	±5ppm/°C	-55 to 155°C	0805	Active	Yes

Engineering Selection Recommendations

Direct Substitutes (Equivalent Specifications):

The Stackpole Electronics RNCF0805BKE5K11 and RNCF0805BTE5K11 provide direct substitution with enhanced power rating (0.25W vs. 0.1W) and active product status. Both parts maintain identical electrical specifications and operating temperature range while offering Automotive AEC-Q200 certification. These parts are suitable for applications requiring higher thermal margin or automotive-grade reliability.

Precision Upgrades (Enhanced Stability):

The Susumu RG2012N-5111-W-T1 and RG2012P-5111-W-T5 offer tighter tolerance (±0.05% vs. ±0.1%) with maintained or improved temperature coefficients. These parts are appropriate for precision measurement circuits or applications requiring enhanced accuracy. The RG2012V-5111-B-T5 provides the lowest temperature coefficient (±5ppm/°C) for applications demanding superior temperature stability.

Automotive-Grade Alternatives:

All Susumu RG series parts and the Vishay MCU0805MD5111BP100 carry Automotive AEC-Q200 certification with Anti-Sulfur composition, suitable for automotive and harsh environment applications. The MCU0805MD5111BP100 additionally features moisture-resistant construction.

Temperature Range Consideration:

The Vishay MCU08050D5111BP500 operates to 125°C maximum (vs. 155°C for the main part). This part is suitable only for applications with maximum operating temperature not exceeding 125°C.

Product Availability:

All substitute parts carry active product status, ensuring long-term availability and supply chain continuity compared to the obsolete main part.

Frequently Asked Questions (FAQ)

Q: Can I use a substitute part with higher power rating than the original 0.1W specification?

A: Yes. Substitute parts rated at 0.125W (1/8W) or 0.25W (1/4W) are electrically compatible. Higher power ratings provide thermal margin and do not affect circuit performance. The physical package dimensions remain identical at 0805 (2012 Metric).

Q: Are all substitute parts compatible with the original PCB layout?

A: Yes. All substitute parts maintain the 0805 (2012 Metric) package with identical footprint dimensions (0.079" L x 0.049" W / 2.00mm x 1.25mm). Physical compatibility is guaranteed for PCB assembly without layout modifications.

Q: What is the difference between ±0.1% and ±0.05% tolerance parts?

A: Tolerance specifies the maximum deviation from the nominal 5.11 kOhms value. ±0.05% tolerance parts (RG2012N-5111-W-T1, RG2012P-5111-W-T5) provide tighter resistance accuracy, suitable for precision analog circuits. ±0.1% tolerance parts are acceptable for general-purpose applications.

Q: What does temperature coefficient (ppm/°C) indicate?

A: Temperature coefficient specifies resistance change per degree Celsius. Lower values indicate better stability across temperature extremes. The main part specifies ±25ppm/°C. Substitute parts with ±10ppm/°C or ±5ppm/°C provide superior temperature stability for precision applications.

Q: Is Automotive AEC-Q200 certification required for my application?

A: AEC-Q200 certification indicates automotive-grade qualification with enhanced reliability testing. This certification is required for automotive applications and recommended for industrial or harsh environment use. Non-automotive applications may use parts without this certification.

Q: Can I substitute the Vishay MCU08050D5111BP500 in all applications?

A: The MCU08050D5111BP500 operates to 125°C maximum temperature. It is suitable only for applications where the maximum operating temperature does not exceed 125°C. For applications requiring full -55°C to 155°C range, use alternative parts with extended temperature rating.

Q: What is the difference between Cut Tape (CT) and Tape & Reel (TR) packaging?

A: Packaging format affects supply and handling. Tape & Reel (TR) is standard for high-volume automated assembly. Cut Tape (CT) and Digi-Reel® are suitable for lower-volume or manual assembly. Electrical specifications remain identical regardless of packaging format.

Q: Are all substitute parts RoHS3 compliant?

A: Yes. All substitute parts listed carry RoHS3 compliance status, meeting environmental and hazardous substance restrictions for electronic components.

Q: What is Moisture Sensitivity Level (MSL) 1?

A: MSL 1 indicates unlimited shelf life without moisture baking requirements. All parts listed maintain MSL 1 classification, requiring no special moisture control during storage or handling.

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