RT0805FRE0773R2L Equivalent & Substitute Parts

Part Overview

The RT0805FRE0773R2L is a 73.2 Ohm ±1% thin film chip resistor in 0805 (2012 Metric) package manufactured by YAGEO. This component is rated for 0.125W (1/8W) power dissipation with an operating temperature range of -55°C to 155°C. The part is currently active in production with ROHS3 compliance and unlimited moisture sensitivity rating (MSL 1). Equivalent and substitute parts are identified based on matching resistance value, package format, and thermal operating range while allowing variations in tolerance, power rating, and temperature coefficient specifications.

Substiute Parts

RT0805FRE0773R2L

YAGEOIn Stock: 1036RT0805FRE0773R2L Datasheet

Current PartRFQ

1-2176091-1

TE Connectivity Passive ProductIn Stock: 86481-2176091-1 Datasheet

DirectRFQ

ERA-6AEB73R2V

Panasonic Electronic ComponentsIn Stock: 4543ERA-6AEB73R2V Datasheet

UpgradeRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitute parts for the RT0805FRE0773R2L are qualified based on the following criteria:

Core Matching Parameters (Non-Negotiable):

• Resistance value: 73.2 Ohms
• Package format: 0805 (2012 Metric)
• Composition: Thin Film
• Operating temperature range: -55°C to 155°C minimum
• RoHS3 compliance

Allowable Variations:

• Tolerance: May be tighter (±0.1%) than the original ±1%
• Power rating: May be equal or higher than 0.125W
• Temperature coefficient: May be lower (±25ppm/°C) than the original ±50ppm/°C
• Additional certifications: Automotive AEC-Q200 qualification is acceptable

Two substitute parts meet these criteria: ERA-6AEB73R2V (Panasonic) and 1-2176091-1 (TE Connectivity).

Parameter Comparison

Engineering Selection Recommendations

ERA-6AEB73R2V (Panasonic) is suitable for applications requiring automotive-grade reliability. This part maintains the same power rating and package dimensions as the original while offering improved tolerance (±0.1%) and lower temperature coefficient (±25ppm/°C). The AEC-Q200 qualification indicates compliance with automotive environmental and reliability standards. This part is appropriate for designs where enhanced precision and automotive-grade quality assurance are specified.

1-2176091-1 (TE Connectivity) provides a higher power rating (0.25W) within the same 0805 package footprint. This part offers tighter tolerance (±0.1%) and lower temperature coefficient (±25ppm/°C) compared to the original. The increased power dissipation capability allows for use in applications with higher thermal stress while maintaining the same mechanical and electrical interface. This part is appropriate for designs where additional thermal margin is beneficial.

Both substitute parts maintain full compatibility with the original part's operating temperature range, package format, and RoHS compliance status.

Frequently Asked Questions (FAQ)

Q: Can ERA-6AEB73R2V replace RT0805FRE0773R2L in any application?

A: ERA-6AEB73R2V is mechanically and electrically compatible with RT0805FRE0773R2L. Both parts share identical resistance value, package dimensions, and operating temperature range. The substitute offers improved tolerance and lower temperature coefficient. Applications requiring automotive-grade components benefit from the AEC-Q200 certification of the Panasonic part.

Q: What is the advantage of using 1-2176091-1 over the original part?

A: The 1-2176091-1 provides double the power rating (0.25W versus 0.125W) in the same 0805 package footprint. This allows the component to dissipate more heat without exceeding maximum junction temperature. The part also offers tighter tolerance (±0.1%) and lower temperature coefficient (±25ppm/°C), which may improve circuit performance in precision applications.

Q: Are all three parts pin-compatible?

A: Yes. All three parts are 0805 (2012 Metric) thin film chip resistors with two terminations. They share identical footprint dimensions (0.079" L x 0.049" W / 2.00mm x 1.25mm) and can be used interchangeably on the same PCB layout without modification.

Q: Does tolerance difference affect circuit performance?

A: Tolerance affects the initial resistance value accuracy. The original part has ±1% tolerance, while both substitutes have ±0.1% tolerance. In precision analog circuits, tighter tolerance may reduce calibration requirements. In general-purpose applications, the tolerance difference is typically negligible.

Q: What does the temperature coefficient specification mean?

A: Temperature coefficient indicates how much the resistance value changes with temperature. The original part has ±50ppm/°C, while substitutes have ±25ppm/°C. Lower temperature coefficient means the resistance remains more stable across the operating temperature range, which is beneficial in temperature-sensitive applications.

Q: Can I use these parts in high-temperature applications?

A: All three parts are rated for -55°C to 155°C operating temperature. Selection should be based on the specific thermal environment and power dissipation requirements of the application. The 1-2176091-1 with higher power rating provides additional thermal margin in high-dissipation scenarios.