RT0805FRE0729R4L Equivalent & Substitute Parts

Part Overview

The RT0805FRE0729R4L is a 29.4 Ohms ±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 level (MSL 1). This resistor is suitable for precision applications requiring stable thin film construction and is available in tape and reel packaging for automated assembly.

Equivalent and substitute parts are identified when they maintain the same resistance value, package footprint, and core electrical characteristics while potentially offering improved specifications such as tighter tolerance or higher power rating.

Substiute Parts

RT0805FRE0729R4L

YAGEOIn Stock: 1175RT0805FRE0729R4L Datasheet

Current PartRFQ

7-1625868-2

TE Connectivity Passive ProductIn Stock: 13837-1625868-2 Datasheet

DirectRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitution eligibility for the RT0805FRE0729R4L is determined by the following critical parameters:

• Resistance Value: Must be 29.4 Ohms (exact match required)
• Package Footprint: Must be 0805 (2012 Metric) for PCB compatibility
• Composition: Thin film construction for performance consistency
• Operating Temperature Range: Must support -55°C to 155°C minimum
• RoHS Compliance: ROHS3 compliance required for regulatory alignment

Substitute parts may exceed the original specifications in tolerance (tighter tolerance acceptable), power rating (higher rating acceptable), or temperature coefficient without compromising compatibility. Physical dimensions must remain within acceptable assembly tolerances.

Parameter Comparison

Engineering Selection Recommendations

The TE Connectivity 7-1625868-2 is a direct substitute for the YAGEO RT0805FRE0729R4L. Both components share identical resistance values, package footprints, and operating temperature ranges. The substitute part offers enhanced specifications including tighter tolerance (±0.1% versus ±1%), higher power dissipation capability (0.25W versus 0.125W), and improved temperature coefficient stability (±25ppm/°C versus ±50ppm/°C).

Both parts maintain ROHS3 compliance and MSL 1 rating, ensuring regulatory and environmental compatibility. The marginal increase in seated height (0.026" versus 0.024") remains within standard PCB assembly tolerances for 0805 packages and does not impact board-level compatibility.

Selection between these parts should be based on application requirements for tolerance precision and thermal performance. The substitute part is suitable for applications requiring tighter tolerance specifications or higher power dissipation margins.

Frequently Asked Questions (FAQ)

Q: Can the TE Connectivity 7-1625868-2 be used as a direct replacement for the YAGEO RT0805FRE0729R4L?

A: Yes. Both components have identical 29.4 Ohm resistance values, 0805 package footprints, and operating temperature ranges. The substitute part meets or exceeds all critical electrical and mechanical parameters.

Q: What are the key differences between these two parts?

A: The primary differences are tolerance (±0.1% versus ±1%), power rating (0.25W versus 0.125W), and temperature coefficient (±25ppm/°C versus ±50ppm/°C). The substitute part provides superior performance in these areas.

Q: Will the slightly higher seated height of the substitute part affect PCB assembly?

A: No. The height difference of 0.002" (0.05mm) is within standard assembly tolerances for 0805 components and does not impact board-level compatibility or reflow soldering processes.

Q: Are both parts RoHS compliant?

A: Yes. Both the YAGEO RT0805FRE0729R4L and TE Connectivity 7-1625868-2 are ROHS3 compliant with MSL 1 (unlimited) moisture sensitivity ratings.

Q: Which part should be selected for precision applications?

A: The TE Connectivity 7-1625868-2 is recommended for applications requiring tighter tolerance specifications due to its ±0.1% tolerance rating compared to the ±1% tolerance of the original part.