TE Connectivity 1614970-1 Equivalent & Substitute Parts

Part Overview

The TE Connectivity 1614970-1 is a 3.3 kOhms ±0.1% thin film chip resistor in 1206 (3216 Metric) package rated for 0.125W (1/8W) operation. 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 listed below maintain the same resistance value, tolerance, and package configuration while offering enhanced specifications or active product status from alternative manufacturers.

Key Parameters

Parameter	Value
Resistance	3.3 kOhms
Tolerance	±0.1%
Power Rating	0.125W (1/8W)
Package / Case	1206 (3216 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 1614970-1 is determined by the following critical parameters:

Mandatory Compatibility Parameters:

Resistance value: 3.3 kOhms (exact match required)
Package / Case: 1206 (3216 Metric) (exact match required)
Tolerance: ±0.1% or tighter (equal or superior tolerance acceptable)
Composition: Thin Film (exact match required)
Operating Temperature Range: -55°C ~ 155°C minimum (equal or superior range acceptable)
Moisture Sensitivity Level: 1 (Unlimited) (exact match required)

Acceptable Upgrade Parameters:

Power Rating: 0.125W or higher (upgrades to 0.25W acceptable for increased thermal margin)
Temperature Coefficient: ±50ppm/°C or lower (lower values indicate superior stability)
Product Status: Active status preferred over obsolete

Substitute parts are grouped into two categories: direct equivalents maintaining 0.125W power rating, and upgraded alternatives offering 0.25W power rating with enhanced temperature stability and automotive qualification.

Parameter Comparison

Manufacturer Part Number	Manufacturer	Resistance	Tolerance	Power (W)	Temp Coeff (ppm/°C)	Operating Temp (°C)	Product Status	Features
1614970-1	TE Connectivity	3.3 kOhms	±0.1%	0.125	±50	-55 ~ 155	Obsolete	—
ERA-8AEB332V	Panasonic Electronic Components	3.3 kOhms	±0.1%	0.25	±25	-55 ~ 155	Active	Automotive AEC-Q200
MCA12060D3301BP500	Vishay Beyschlag/Draloric/BC Components	3.3 kOhms	±0.1%	0.25	±25	-55 ~ 125	Active	Anti-Sulfur
RG3216L-332-L-T05	Susumu	3.3 kOhms	±0.01%	0.125	±2	-55 ~ 155	Active	Anti-Sulfur, Automotive AEC-Q200
RG3216N-3301-B-T5	Susumu	3.3 kOhms	±0.1%	0.25	±10	-55 ~ 155	Active	Anti-Sulfur, Automotive AEC-Q200
RG3216N-3301-W-T1	Susumu	3.3 kOhms	±0.05%	0.25	±10	-55 ~ 155	Active	Anti-Sulfur, Automotive AEC-Q200
RG3216P-3301-B-T5	Susumu	3.3 kOhms	±0.1%	0.25	±25	-55 ~ 155	Active	Anti-Sulfur, Automotive AEC-Q200
RG3216V-3301-B-T5	Susumu	3.3 kOhms	±0.1%	0.25	±5	-55 ~ 155	Active	Anti-Sulfur, Automotive AEC-Q200
RG3216V-3301-P-T1	Susumu	3.3 kOhms	±0.02%	0.25	±5	-55 ~ 155	Active	Anti-Sulfur, Automotive AEC-Q200
RG3216V-3301-W-T1	Susumu	3.3 kOhms	±0.05%	0.25	±5	-55 ~ 155	Active	Anti-Sulfur, Automotive AEC-Q200
RT1206BRD073K3L	YAGEO	3.3 kOhms	±0.1%	0.25	±25	-55 ~ 155	Active	—

Engineering Selection Recommendations

Direct Equivalent (Matching 0.125W Power Rating):

RG3216L-332-L-T05 (Susumu) is the direct equivalent maintaining the original 0.125W power rating. This part offers superior specifications with ±0.01% tolerance (versus ±0.1%), temperature coefficient of ±2ppm/°C (versus ±50ppm/°C), and active product status. Automotive AEC-Q200 qualification and anti-sulfur construction provide enhanced reliability. This selection is appropriate for applications requiring the original power rating with improved performance characteristics.

Upgraded Alternatives (0.25W Power Rating):

For applications tolerating increased power dissipation capability, the following 0.25W alternatives are available:

RG3216V-3301-P-T1 (Susumu): Offers ±0.02% tolerance with ±5ppm/°C temperature coefficient, providing superior precision and stability. Automotive AEC-Q200 qualified with anti-sulfur construction. Recommended for precision analog circuits.
RG3216V-3301-W-T1 (Susumu): Provides ±0.05% tolerance with ±5ppm/°C temperature coefficient. Automotive AEC-Q200 qualified with anti-sulfur construction. Suitable for general precision applications.
RG3216N-3301-W-T1 (Susumu): Delivers ±0.05% tolerance with ±10ppm/°C temperature coefficient. Automotive AEC-Q200 qualified with anti-sulfur construction. Appropriate for standard precision requirements.
RG3216P-3301-B-T5 (Susumu): Maintains ±0.1% tolerance matching the original specification with ±25ppm/°C temperature coefficient. Automotive AEC-Q200 qualified with anti-sulfur construction. Direct functional equivalent with active status.
ERA-8AEB332V (Panasonic Electronic Components): Matches ±0.1% tolerance with ±25ppm/°C temperature coefficient. Automotive AEC-Q200 qualified. Active product status with high inventory availability.
RT1206BRD073K3L (YAGEO): Maintains ±0.1% tolerance with ±25ppm/°C temperature coefficient. Active product status with high inventory availability. Standard thin film construction without automotive qualification.
MCA12060D3301BP500 (Vishay Beyschlag/Draloric/BC Components): Matches ±0.1% tolerance with ±25ppm/°C temperature coefficient. Anti-sulfur construction with active product status. Operating temperature range limited to -55°C ~ 125°C.

All substitute parts maintain 1206 (3216 Metric) package configuration, MSL 1 (Unlimited) moisture sensitivity, and ROHS3 compliance. Selection should be based on application requirements for power dissipation, tolerance precision, temperature stability, and automotive qualification needs.

Frequently Asked Questions (FAQ)

Q: Can RG3216L-332-L-T05 directly replace the TE Connectivity 1614970-1 without circuit modification?

A: Yes. RG3216L-332-L-T05 maintains identical resistance (3.3 kOhms), tolerance (±0.1% or tighter), package (1206), and operating temperature range (-55°C ~ 155°C). The 0.125W power rating matches the original specification. Superior temperature coefficient (±2ppm/°C versus ±50ppm/°C) provides enhanced stability without requiring circuit changes.

Q: What is the difference between 0.125W and 0.25W power-rated alternatives?

A: Power rating indicates maximum continuous power dissipation capability. A 0.25W resistor can safely dissipate twice the power of a 0.125W resistor at the same temperature. In applications where the original 0.125W rating is adequate, either rating functions identically. The 0.25W alternatives provide additional thermal margin and are suitable for applications with higher power dissipation or elevated ambient temperatures.

Q: Are all substitute parts automotive qualified?

A: No. Susumu RG series parts (RG3216L-332-L-T05, RG3216N-3301-B-T5, RG3216N-3301-W-T1, RG3216P-3301-B-T5, RG3216V-3301-B-T5, RG3216V-3301-P-T1, RG3216V-3301-W-T1) and Panasonic ERA-8AEB332V carry AEC-Q200 automotive qualification. Vishay MCA12060D3301BP500 does not specify AEC-Q200 qualification. YAGEO RT1206BRD073K3L does not carry automotive qualification. Select AEC-Q200 qualified parts for automotive applications.

Q: What does anti-sulfur construction provide?

A: Anti-sulfur construction protects resistor elements from sulfur-containing environmental contaminants that can degrade performance. Susumu RG series and Vishay MCA series incorporate anti-sulfur construction. This feature is beneficial in industrial and automotive environments with potential sulfur exposure.

Q: How do tolerance specifications affect circuit performance?

A: Tolerance defines the maximum deviation from the nominal resistance value. The original ±0.1% tolerance allows ±3.3 ohms deviation from 3.3 kOhms. Tighter tolerances (±0.05%, ±0.02%, ±0.01%) reduce this deviation, improving circuit accuracy. Select tighter tolerances for precision analog circuits, filters, and reference networks. Standard ±0.1% tolerance is adequate for general applications.

Q: What is temperature coefficient and why does it matter?

A: Temperature coefficient (ppm/°C) specifies how resistance changes with temperature. The original ±50ppm/°C means resistance can shift up to 0.005% per degree Celsius. Lower values indicate superior stability across temperature ranges. Substitute parts offer coefficients as low as ±2ppm/°C, providing significantly better performance in temperature-sensitive applications such as precision measurement circuits and oscillators.

Q: Are all substitute parts RoHS3 compliant?

A: Yes. All substitute parts listed carry RoHS3 compliance certification. The original TE Connectivity 1614970-1 does not specify RoHS status. All alternatives meet current environmental and hazardous substance restrictions.

Q: Can I use MCA12060D3301BP500 in applications requiring -55°C ~ 155°C operation?

A: No. MCA12060D3301BP500 operating temperature range is limited to -55°C ~ 125°C, which does not cover the full -55°C ~ 155°C range of the original part. This part is unsuitable for applications requiring operation above 125°C. Select alternatives with -55°C ~ 155°C rating for full temperature range compatibility.

Q: What packaging format is used for these resistors?

A: All parts use Tape & Reel (TR) packaging in 1206 (3216 Metric) surface mount package. Physical dimensions are approximately 3.2mm length × 1.6mm width with height under 0.7mm. This standard package is compatible with automated assembly equipment and standard PCB footprints.

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