Equivalent & Substitute Parts for TE Connectivity 1676143-5

Part Overview

The TE Connectivity 1676143-5 is a 100 Ohm ±0.1% thin film chip resistor rated at 0.1W (1/10W) in 0805 (2012 Metric) surface mount package. This component is classified as Active product status and is designed for precision applications requiring tight tolerance specifications. The part is manufactured by TE Connectivity Passive Product under the RN73 Holsworthy series.

Equivalent and substitute parts are identified to address inventory availability, supply chain continuity, and application-specific performance requirements while maintaining electrical and mechanical compatibility within the 0805 package form factor.

Key Parameters

Parameter	Specification
Resistance Value	100 Ohms
Tolerance	±0.1%
Power Rating	0.1W (1/10W)
Package / Case	0805 (2012 Metric)
Composition	Thin Film
Temperature Coefficient	±10ppm/°C
Operating Temperature Range	-55°C to 155°C
Terminations	2
Moisture Sensitivity Level	1 (Unlimited)

Substitute Part Grouping Explanation

Substitute parts for the 1676143-5 are classified into two categories based on electrical and mechanical compatibility:

Direct Equivalents maintain identical electrical specifications (100 Ohms, ±0.1% tolerance, 0.1W power rating, ±10ppm/°C temperature coefficient) and package dimensions. These parts are interchangeable without circuit redesign.

Upgrade Alternatives provide enhanced performance characteristics including improved tolerance (±0.05%, ±0.02%, or ±0.01%), increased power rating (0.125W / 1/8W), reduced temperature coefficient (±5ppm/°C), and automotive qualification (AEC-Q200). These parts are electrically and mechanically compatible but offer superior specifications.

Substitution eligibility is determined by the following criteria:

Identical resistance value (100 Ohms)
Equal or tighter tolerance specification
Equal or greater power rating
Identical or compatible package (0805 / 2012 Metric)
Thin film composition
Operating temperature range encompassing -55°C to 155°C
Two terminations
MSL rating of 1 or equivalent

Parameter Comparison

Part Number	Manufacturer	Resistance	Tolerance	Power (W)	Temp Coeff (ppm/°C)	Package	Height Max (mm)	RoHS Status	AEC-Q200
1676143-5	TE Connectivity	100 Ω	±0.1%	0.1	±10	0805	0.65	Not applicable	No
RN73C2A100RBTD	TE Connectivity	100 Ω	±0.1%	0.1	±10	0805	0.65	ROHS3 Compliant	No
RN73C2A100RBTDF	TE Connectivity	100 Ω	±0.1%	0.1	±10	0805	0.65	ROHS3 Compliant	No
RT0805BRB07100RL	YAGEO	100 Ω	±0.1%	0.125	±10	0805	0.60	ROHS3 Compliant	No
RG2012N-101-W-T5	Susumu	100 Ω	±0.05%	0.125	±10	0805	0.50	ROHS3 Compliant	Yes
RG2012V-101-P-T1	Susumu	100 Ω	±0.02%	0.125	±5	0805	0.50	ROHS3 Compliant	Yes
RNCF0805TKY100R	Stackpole Electronics	100 Ω	±0.01%	0.125	±5	0805	0.65	ROHS3 Compliant	Yes

Engineering Selection Recommendations

Direct Equivalent Selection:

RN73C2A100RBTD and RN73C2A100RBTDF are direct electrical and mechanical equivalents to the 1676143-5. Both parts are manufactured by TE Connectivity under the same RN73 series and maintain identical specifications. RN73C2A100RBTDF offers significantly higher inventory availability (116,995 units) compared to RN73C2A100RBTD (11,968 units). Both parts are ROHS3 compliant and REACH unaffected, providing regulatory compliance advantages over the original part number.

Upgrade Alternative Selection:

RT0805BRB07100RL (YAGEO) provides a 25% increase in power rating (0.125W versus 0.1W) while maintaining ±0.1% tolerance and ±10ppm/°C temperature coefficient. This part is suitable for applications requiring additional thermal margin without tolerance enhancement.

RG2012N-101-W-T5 (Susumu) offers improved tolerance (±0.05%), increased power rating (0.125W), and AEC-Q200 automotive qualification. The temperature coefficient remains ±10ppm/°C. This part is appropriate for automotive applications and precision circuits requiring tighter tolerance than ±0.1%.

RG2012V-101-P-T1 (Susumu) provides the highest tolerance specification (±0.02%), increased power rating (0.125W), reduced temperature coefficient (±5ppm/°C), and AEC-Q200 qualification. This part is selected for high-precision applications and automotive environments requiring superior stability.

RNCF0805TKY100R (Stackpole Electronics) delivers the tightest tolerance available (±0.01%), increased power rating (0.125W), reduced temperature coefficient (±5ppm/°C), and AEC-Q200 qualification. This part is specified for ultra-precision applications and automotive circuits demanding maximum accuracy and thermal stability.

All substitute parts maintain 0805 package compatibility, thin film composition, -55°C to 155°C operating temperature range, and MSL 1 rating. Selection between alternatives depends on application-specific requirements for tolerance, power dissipation, temperature stability, and automotive qualification.

Frequently Asked Questions (FAQ)

Q: Can RN73C2A100RBTD and RN73C2A100RBTDF be used interchangeably with 1676143-5?

A: Yes. Both parts are direct equivalents with identical electrical specifications (100 Ohms, ±0.1%, 0.1W, ±10ppm/°C) and mechanical dimensions (0805 package). The primary difference is packaging format (Tape & Reel) and inventory availability. RN73C2A100RBTDF is preferred due to higher stock levels.

Q: What is the difference between direct equivalents and upgrade alternatives?

A: Direct equivalents (RN73C2A100RBTD, RN73C2A100RBTDF) maintain identical electrical and mechanical specifications to the original part. Upgrade alternatives (RT0805BRB07100RL, RG2012N-101-W-T5, RG2012V-101-P-T1, RNCF0805TKY100R) provide enhanced performance through improved tolerance, increased power rating, reduced temperature coefficient, or automotive qualification while remaining mechanically compatible.

Q: Are all substitute parts ROHS3 compliant?

A: All substitute parts listed are ROHS3 compliant. The original 1676143-5 has RoHS status listed as "Not applicable." Substitution with ROHS3 compliant alternatives provides regulatory compliance benefits for new designs and supply chain continuity.

Q: Which substitute part should be selected for automotive applications?

A: RG2012N-101-W-T5, RG2012V-101-P-T1, and RNCF0805TKY100R are all AEC-Q200 qualified for automotive use. Selection depends on tolerance and temperature coefficient requirements: RG2012N-101-W-T5 for ±0.05% tolerance, RG2012V-101-P-T1 for ±0.02% tolerance with ±5ppm/°C stability, or RNCF0805TKY100R for ±0.01% tolerance with maximum precision.

Q: Can upgrade alternatives with higher power ratings be used in place of the 1676143-5?

A: Yes. All upgrade alternatives with 0.125W (1/8W) power ratings are mechanically and electrically compatible with circuits designed for the 0.1W (1/10W) 1676143-5. The higher power rating provides additional thermal margin and does not affect circuit operation.

Q: What is the significance of temperature coefficient differences?

A: Temperature coefficient (ppm/°C) indicates resistance value drift across the operating temperature range. The original 1676143-5 and RT0805BRB07100RL have ±10ppm/°C. RG2012V-101-P-T1 and RNCF0805TKY100R have ±5ppm/°C, providing superior stability in temperature-sensitive applications. Lower temperature coefficient is beneficial for precision measurement and reference circuits.

Q: Are all substitute parts available in 0805 package only?

A: Yes. All substitute parts listed are specified for 0805 (2012 Metric) package. This package is mechanically and electrically compatible with the original 1676143-5 and maintains identical footprint dimensions (2.00mm L x 1.25mm W).

Q: What is MSL 1 rating and why is it important?

A: MSL (Moisture Sensitivity Level) 1 indicates unlimited shelf life without moisture baking requirements. All parts listed, including the original 1676143-5 and all substitutes, carry MSL 1 rating, eliminating moisture management concerns during storage and handling.

Q: Which substitute part offers the best overall performance?

A: RNCF0805TKY100R provides the highest performance specification with ±0.01% tolerance, ±5ppm/°C temperature coefficient, 0.125W power rating, and AEC-Q200 automotive qualification. This part is selected for applications requiring maximum precision and thermal stability across the full operating temperature range.

Request Quote (Ships tomorrow)

Part Number

Quantity

Company

Contact Name

E-mail

Message