Equivalent & Substitute Parts for 1614928-1

Part Overview

The TE Connectivity 1614928-1 is a 3.01 kOhms ±0.1% 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. Locating equivalent and substitute parts is necessary due to discontinued manufacturing and limited inventory availability. Substitute parts maintain the core electrical specifications while offering active product status and enhanced feature sets from alternative manufacturers.

Key Parameters

Parameter	Value	Criticality for Substitution
Resistance Value	3.01 kOhms	Critical - Must match exactly
Tolerance	±0.1%	Critical - Defines precision class
Power Rating	0.1W (1/10W)	Critical - Minimum thermal requirement
Package Type	0805 (2012 Metric)	Critical - Physical and electrical compatibility
Composition	Thin Film	Critical - Determines precision and stability
Temperature Coefficient	±25ppm/°C	Important - Affects performance stability
Operating Temperature Range	-55°C ~ 155°C	Important - Application environment compatibility
Terminations	2	Critical - Standard for chip resistors

Substitute Part Grouping Explanation

Substitute parts are grouped based on strict electrical and mechanical parameter alignment with the main part 1614928-1. The substitution logic follows these criteria:

Critical Matching Parameters:

Resistance value: 3.01 kOhms (exact match required)
Tolerance: ±0.1% (precision specification)
Package: 0805 (2012 Metric) (physical footprint compatibility)
Composition: Thin Film (electrical performance class)
Terminations: 2 (standard configuration)

Acceptable Variation Parameters:

Power rating: Equal to or greater than 0.1W (0.125W, 0.2W, 0.25W acceptable as upgrades)
Temperature coefficient: ±25ppm/°C or better (±10ppm/°C acceptable as upgrade)
Operating temperature range: Must encompass -55°C ~ 155°C minimum
Product status: Active preferred over obsolete

All substitute parts listed maintain identical resistance, tolerance, package, and composition specifications. Variations in power rating and temperature coefficient represent functional upgrades that do not compromise circuit compatibility.

Parameter Comparison

Part Number	Manufacturer	Resistance	Tolerance	Power Rating	Temp Coeff	Operating Temp	Package	Product Status	Key Features
1614928-1	TE Connectivity	3.01 kΩ	±0.1%	0.1W	±25ppm/°C	-55°C ~ 155°C	0805	Obsolete	Thin Film
RNCF0805BKE3K01	Stackpole Electronics	3.01 kΩ	±0.1%	0.25W	±25ppm/°C	-55°C ~ 155°C	0805	Active	Automotive AEC-Q200, Thin Film
RNCF0805BTE3K01	Stackpole Electronics	3.01 kΩ	±0.1%	0.25W	±25ppm/°C	-55°C ~ 155°C	0805	Active	Automotive AEC-Q200, Thin Film
CRT0805-BY-3011ELF	Bourns Inc.	3.01 kΩ	±0.1%	0.125W	±25ppm/°C	-55°C ~ 155°C	0805	Active	Current Sense, Thin Film
ERA-6AEB3011V	Panasonic Electronic Components	3.01 kΩ	±0.1%	0.125W	±25ppm/°C	-55°C ~ 155°C	0805	Active	Automotive AEC-Q200, Thin Film
MCU08050D3011BP500	Vishay Beyschlag	3.01 kΩ	±0.1%	0.125W	±25ppm/°C	-55°C ~ 125°C	0805	Active	Anti-Sulfur, Thin Film
MCU0805MD3011BP100	Vishay Beyschlag	3.01 kΩ	±0.1%	0.125W	±25ppm/°C	-55°C ~ 155°C	0805	Active	Anti-Sulfur, Automotive AEC-Q200, Moisture Resistant, Thin Film
PTN0805E3011BST1	Vishay Dale	3.01 kΩ	±0.1%	0.2W	±25ppm/°C	-55°C ~ 155°C	0805	Active	Anti-Sulfur, Moisture Resistant, Non-Inductive, Thin Film
RG2012N-3011-B-T5	Susumu	3.01 kΩ	±0.1%	0.125W	±10ppm/°C	-55°C ~ 155°C	0805	Active	Anti-Sulfur, Automotive AEC-Q200, Thin Film
RG2012N-3011-W-T1	Susumu	3.01 kΩ	±0.05%	0.125W	±10ppm/°C	-55°C ~ 155°C	0805	Active	Anti-Sulfur, Automotive AEC-Q200, Thin Film
RG2012P-3011-B-T5	Susumu	3.01 kΩ	±0.1%	0.125W	±25ppm/°C	-55°C ~ 155°C	0805	Active	Anti-Sulfur, Automotive AEC-Q200, Thin Film

Engineering Selection Recommendations

Direct Substitutes (Equivalent Power Rating):

The CRT0805-BY-3011ELF from Bourns Inc. provides the closest functional equivalent with 0.125W power rating and current sense application designation. This part maintains all critical electrical parameters and operates across the full temperature range.

Recommended Substitutes (Enhanced Power Rating):

For applications requiring thermal margin, the RNCF0805BKE3K01 and RNCF0805BTE3K01 from Stackpole Electronics offer 0.25W power rating with Automotive AEC-Q200 certification. Both parts are active products with identical resistance and tolerance specifications.

Automotive-Qualified Alternatives:

The MCU0805MD3011BP100 from Vishay Beyschlag combines Automotive AEC-Q200 certification with anti-sulfur and moisture-resistant features, maintaining the full -55°C ~ 155°C operating range. The ERA-6AEB3011V from Panasonic Electronic Components similarly provides AEC-Q200 qualification with active product status.

Enhanced Precision Options:

The RG2012N-3011-W-T1 from Susumu offers ±0.05% tolerance (tighter than the original ±0.1%) with ±10ppm/°C temperature coefficient and Automotive AEC-Q200 certification. The RG2012N-3011-B-T5 provides ±0.1% tolerance with improved ±10ppm/°C temperature coefficient.

Selection Basis:

All substitute parts are classified as active products, ensuring continued availability and manufacturing support. Stackpole Electronics and Susumu parts carry Automotive AEC-Q200 ratings, suitable for automotive and industrial applications. Vishay parts include anti-sulfur protection for harsh environments. Selection should prioritize active product status and application-specific certifications (AEC-Q200 for automotive use).

Frequently Asked Questions (FAQ)

Q: Can I use a substitute part with higher power rating than the original 1614928-1?

A: Yes. Substitute parts rated at 0.125W, 0.2W, or 0.25W are electrically compatible. Higher power ratings provide thermal margin and do not affect circuit operation. Physical dimensions remain identical within the 0805 package specification.

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

A: Tolerance specifies the maximum deviation from the nominal 3.01 kOhms value. ±0.1% allows ±3.01 ohms deviation; ±0.05% allows ±1.505 ohms deviation. The RG2012N-3011-W-T1 offers tighter tolerance for precision applications requiring closer resistance matching.

Q: Are all substitute parts RoHS3 compliant?

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

Q: What does Automotive AEC-Q200 certification mean?

A: AEC-Q200 is an automotive industry qualification standard for passive components. It certifies the part for automotive applications with defined reliability, temperature cycling, and environmental stress testing. Parts with this rating are suitable for automotive and industrial applications requiring enhanced reliability.

Q: Can I substitute the 1614928-1 with RG2012N-3011-W-T1 in a precision circuit?

A: Yes. The RG2012N-3011-W-T1 provides superior specifications with ±0.05% tolerance (versus ±0.1%) and ±10ppm/°C temperature coefficient (versus ±25ppm/°C). This represents a functional upgrade for precision applications.

Q: What is the difference between anti-sulfur and standard thin film resistors?

A: Anti-sulfur resistors include protective measures against sulfur contamination in harsh environments. Parts like MCU08050D3011BP500 and PTN0805E3011BST1 include this feature for extended reliability in industrial or corrosive environments.

Q: Are the physical dimensions identical across all substitute parts?

A: All parts use the 0805 (2012 Metric) package with 0.079" L x 0.049" W footprint. Height variations exist (0.020" to 0.033" seated height), but these remain within standard PCB assembly tolerances and do not affect placement or soldering.

Q: Which substitute offers the best overall compatibility?

A: The RG2012P-3011-B-T5 from Susumu provides optimal balance with active product status, Automotive AEC-Q200 certification, anti-sulfur protection, ±0.1% tolerance matching the original, and 13,925 pieces in stock inventory.

Q: Can I use MCU08050D3011BP500 if my circuit operates above 125°C?

A: No. The MCU08050D3011BP500 is rated only to 125°C. For applications requiring -55°C ~ 155°C operation, select alternatives such as ERA-6AEB3011V, MCU0805MD3011BP100, RG2012N-3011-B-T5, RG2012N-3011-W-T1, or RG2012P-3011-B-T5.

Q: What is the significance of current sense designation on CRT0805-BY-3011ELF?

A: Current sense designation indicates the part is optimized for low-noise, stable performance in current measurement circuits. This does not restrict use in standard applications; it indicates enhanced suitability for precision current sensing applications.

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