MCU08050D1691BP500 Equivalent & Substitute Parts

Part Overview

The MCU08050D1691BP500 is a precision thin film chip resistor manufactured by Vishay Beyschlag/Draloric/BC Components. This 1.69 kOhms ±0.1% 0.125W 1/8W component in 0805 (2012 Metric) package features anti-sulfur construction and operates across -55°C to 125°C. The part is active and ROHS3 compliant with unlimited moisture sensitivity rating (MSL 1). Equivalent and substitute parts are identified for applications requiring alternative sourcing, extended temperature ranges, enhanced power ratings, or automotive-grade certifications.

Key Parameters

Parameter	Value
Resistance	1.69 kOhms
Tolerance	±0.1%
Power Rating	0.125W (1/8W)
Composition	Thin Film
Package	0805 (2012 Metric)
Temperature Coefficient	±25ppm/°C
Operating Temperature Range	-55°C ~ 125°C
Features	Anti-Sulfur
RoHS Status	ROHS3 Compliant
MSL Rating	1 (Unlimited)

Substitute Part Grouping Explanation

Substitution eligibility is determined by the following mandatory parameters:

Resistance value: 1.69 kOhms (exact match required)
Tolerance: ±0.1% (exact match required)
Package: 0805 (2012 Metric) (exact match required)
Temperature coefficient: ±25ppm/°C (exact match required)
Composition: Thin Film (exact match required)
RoHS compliance: ROHS3 Compliant (minimum requirement)
MSL rating: 1 (Unlimited) (minimum requirement)

Substitute parts may vary in power rating (0.125W to 0.26W), operating temperature range (-55°C to 125°C or higher), packaging format (Tape & Reel or Cut Tape), and optional features (anti-sulfur, automotive AEC-Q200 certification). These variations do not affect substitution validity when the core electrical and mechanical parameters match.

Parameter Comparison

Part Number	Manufacturer	Resistance	Tolerance	Power (W)	Temp Coeff	Op. Temp Range	Package	Features	RoHS
MCU08050D1691BP500	Vishay Beyschlag	1.69 kΩ	±0.1%	0.125	±25ppm/°C	-55°C ~ 125°C	0805	Anti-Sulfur	ROHS3
3-2176092-7	TE Connectivity	1.69 kΩ	±0.1%	0.25	±25ppm/°C	-55°C ~ 155°C	0805	—	ROHS3
ERA-6AEB1691V	Panasonic	1.69 kΩ	±0.1%	0.125	±25ppm/°C	-55°C ~ 155°C	0805	Automotive AEC-Q200	ROHS3
RG2012P-1691-B-T5	Susumu	1.69 kΩ	±0.1%	0.125	±25ppm/°C	-55°C ~ 155°C	0805	Anti-Sulfur, Automotive AEC-Q200	ROHS3
RT0805BRD071K69L	YAGEO	1.69 kΩ	±0.1%	0.125	±25ppm/°C	-55°C ~ 155°C	0805	—	ROHS3
TNPW08051K69BEEA	Vishay Dale	1.69 kΩ	±0.1%	0.26	±25ppm/°C	-55°C ~ 175°C	0805	Anti-Sulfur, Automotive AEC-Q200, Moisture Resistant	ROHS3

Engineering Selection Recommendations

All listed substitute parts meet the core electrical and mechanical requirements for direct replacement of MCU08050D1691BP500. Selection among substitutes depends on application-specific requirements:

For standard industrial applications: RT0805BRD071K69L (YAGEO) and 3-2176092-7 (TE Connectivity) provide equivalent performance with extended temperature operating ranges. The TE Connectivity part offers increased power dissipation capability (0.25W vs. 0.125W).

For automotive applications: ERA-6AEB1691V (Panasonic) and RG2012P-1691-B-T5 (Susumu) carry AEC-Q200 automotive qualification. RG2012P-1691-B-T5 additionally includes anti-sulfur construction matching the original part's feature set.

For enhanced reliability: TNPW08051K69BEEA (Vishay Dale) combines anti-sulfur construction, automotive AEC-Q200 certification, moisture-resistant properties, and the highest operating temperature range (-55°C to 175°C) with increased power rating (0.26W).

All parts maintain ROHS3 compliance and MSL 1 (Unlimited) moisture sensitivity rating.

Frequently Asked Questions (FAQ)

Q: Can TNPW08051K69BEEA replace MCU08050D1691BP500 directly?

A: Yes. Both parts share identical resistance (1.69 kOhms), tolerance (±0.1%), temperature coefficient (±25ppm/°C), and 0805 package. TNPW08051K69BEEA provides higher power rating (0.26W vs. 0.125W) and extended temperature range (-55°C to 175°C vs. -55°C to 125°C), making it a compatible upgrade.

Q: What is the difference between 3-2176092-7 and other substitutes?

A: 3-2176092-7 (TE Connectivity) is the only substitute with 0.25W power rating. All other substitutes maintain the original 0.125W rating or increase to 0.26W. This part is suitable for applications requiring higher power dissipation within the same package footprint.

Q: Are automotive-qualified parts necessary for non-automotive applications?

A: No. Automotive AEC-Q200 certification is not required for non-automotive use. However, these parts (ERA-6AEB1691V, RG2012P-1691-B-T5, TNPW08051K69BEEA) undergo additional qualification testing and may offer enhanced reliability characteristics applicable to demanding industrial environments.

Q: Does packaging format (Tape & Reel vs. Cut Tape) affect electrical performance?

A: No. Packaging format affects handling, storage, and assembly processes only. Electrical and mechanical specifications remain identical. ERA-6AEB1691V is supplied in Cut Tape & Digi-Reel format; all other substitutes use Tape & Reel format.

Q: Can I use a substitute with a higher operating temperature range in a -55°C to 125°C application?

A: Yes. Parts rated for higher temperature ranges (-55°C to 155°C or -55°C to 175°C) are fully compatible with applications limited to -55°C to 125°C. The extended range provides design margin and potential long-term reliability benefits.

Q: What does anti-sulfur construction provide?

A: Anti-sulfur construction protects the resistor element from sulfur-containing environmental contaminants. MCU08050D1691BP500, RG2012P-1691-B-T5, and TNPW08051K69BEEA include this feature. For applications in sulfur-prone environments, these parts are preferred.

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