RT0805FRE0754R9L Equivalent & Substitute Parts

Part Overview

The RT0805FRE0754R9L is a 54.9 Ohm ±1% thin film chip resistor in 0805 (2012 Metric) package manufactured by YAGEO. This component is actively produced and widely used in precision analog circuits, signal conditioning, and measurement applications where stable resistance values are required. Equivalent and substitute parts are identified when component availability changes, supply chain constraints occur, or design requirements necessitate alternative specifications within compatible electrical and mechanical parameters.

Substiute Parts

RT0805FRE0754R9L

YAGEOIn Stock: 770RT0805FRE0754R9L Datasheet

Current PartRFQ

9-1625868-8

TE Connectivity Passive ProductIn Stock: 12259-1625868-8 Datasheet

DirectRFQ

ERA-6AEB54R9V

Panasonic Electronic ComponentsIn Stock: 13881ERA-6AEB54R9V Datasheet

UpgradeRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitute parts for the RT0805FRE0754R9L are qualified based on the following criteria:

Mandatory Compatibility Parameters:

• Resistance value: 54.9 Ohms (exact match required)
• Package type: 0805 (2012 Metric) form factor
• Composition: Thin film construction
• Operating temperature range: -55°C to 155°C minimum
• Moisture sensitivity level: 1 (Unlimited)

Allowable Variations:

• Tolerance: May be equal to or tighter than ±1%
• Power rating: May be equal to or greater than 0.125W
• Temperature coefficient: May be equal to or lower (better stability)
• RoHS compliance: May differ based on application requirements
• Automotive qualification: May be present as an enhancement

Two substitute parts meet these criteria: the TE Connectivity 9-1625868-8 (direct substitute with enhanced power rating and tighter tolerance) and the Panasonic ERA-6AEB54R9V (upgrade option with automotive AEC-Q200 qualification and tighter tolerance).

Parameter Comparison

Engineering Selection Recommendations

RT0805FRE0754R9L (YAGEO) - Primary Selection Use when standard tolerance (±1%) and ROHS3 compliance are required for general industrial applications. This part maintains the original design specification and is actively produced with adequate inventory.

9-1625868-8 (TE Connectivity) - Direct Substitute Use when higher power dissipation capability (0.25W vs. 0.125W) and tighter tolerance (±0.1%) are beneficial for circuit performance. Note that this part is RoHS non-compliant; verify regulatory requirements before selection. Maximum seated height increases by 0.002" (0.05mm), which may impact PCB layout in space-constrained designs.

ERA-6AEB54R9V (Panasonic) - Upgrade Option Use when automotive-grade reliability (AEC-Q200 qualification) is required, or when tighter tolerance (±0.1%) and improved temperature coefficient (±25ppm/°C) enhance circuit stability. This part maintains ROHS3 compliance and original power rating. Highest inventory availability supports supply chain continuity.

Frequently Asked Questions (FAQ)

Q: Can I use the TE Connectivity 9-1625868-8 as a direct replacement for the YAGEO RT0805FRE0754R9L? A: Electrically yes, with considerations. Both parts have identical resistance (54.9 Ohms), package (0805), and operating temperature range. The TE part offers tighter tolerance (±0.1% vs. ±1%) and higher power rating (0.25W vs. 0.125W), making it functionally superior. However, the TE part is RoHS non-compliant and has a maximum seated height of 0.026" versus 0.024" for the YAGEO part. Verify RoHS requirements and PCB clearance before substitution.

Q: Is the Panasonic ERA-6AEB54R9V suitable for automotive applications? A: Yes. The ERA-6AEB54R9V carries AEC-Q200 automotive qualification, making it suitable for automotive-grade designs. It maintains ROHS3 compliance, ±0.1% tolerance, and the original 0.125W power rating. It is the recommended choice for automotive or high-reliability applications.

Q: What is the impact of tolerance differences between these parts? A: The YAGEO part has ±1% tolerance, while both substitute parts have ±0.1% tolerance. Tighter tolerance reduces circuit variation and improves performance in precision applications. In circuits where 54.9 Ohm resistance is critical to function, the ±0.1% parts provide better stability. For general-purpose applications, ±1% tolerance is typically sufficient.

Q: Are there height differences that affect PCB layout? A: Yes. The YAGEO and Panasonic parts have maximum seated heights of 0.024" (0.60mm), while the TE part is 0.026" (0.65mm). In designs with tight vertical clearance, the TE part may not fit. Verify PCB layout constraints before selecting the TE substitute.

Q: Can I mix these parts in the same production run? A: All three parts are electrically compatible within their specified parameters and use the same 0805 package footprint. However, mixing parts with different RoHS compliance statuses (YAGEO and Panasonic are ROHS3 compliant; TE is non-compliant) may create regulatory documentation and traceability issues. Maintain consistent part selection within a production batch unless design requirements explicitly allow substitution.