RT0402FRE0728R7L Equivalent & Substitute Parts

Part Overview

The RT0402FRE0728R7L is a 28.7 Ohm thin film chip resistor manufactured by YAGEO in the 0402 (1005 Metric) package format. This component is rated at 1/16W (0.063W) with ±1% tolerance and operates across the temperature range of -55°C to 155°C. The part maintains Active product status and is ROHS3 compliant, making it suitable for modern electronic applications requiring precision resistive elements in compact form factors.

Alternative components may be required due to inventory constraints, supply chain considerations, or application-specific performance requirements such as improved tolerance specifications.

Substiute Parts

RT0402FRE0728R7L

YAGEOIn Stock: 851RT0402FRE0728R7L Datasheet

Current PartRFQ

CPF0402B28R7E1

TE Connectivity Passive ProductIn Stock: 1260CPF0402B28R7E1 Datasheet

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Key Parameters

Substitute Part Grouping Explanation

Substitution of the RT0402FRE0728R7L is permissible with components meeting the following criteria:

• Identical resistance value: 28.7 Ohms
• Identical package format: 0402 (1005 Metric)
• Identical power rating: 0.063W (1/16W)
• Identical composition: Thin Film
• Tolerance equal to or tighter than ±1%
• Operating temperature range encompassing or matching -55°C to 155°C
• ROHS3 compliance maintained
• MSL rating of 1 or equivalent

The CPF0402B28R7E1 from TE Connectivity Passive Product meets all substitution criteria with an enhanced tolerance specification of ±0.1% and improved temperature coefficient of ±25ppm/°C compared to the original ±50ppm/°C.

Parameter Comparison

Engineering Selection Recommendations

Both the RT0402FRE0728R7L and CPF0402B28R7E1 maintain Active product status and full ROHS3 compliance. The CPF0402B28R7E1 provides enhanced performance characteristics through tighter tolerance (±0.1% versus ±1%) and reduced temperature coefficient (±25ppm/°C versus ±50ppm/°C), making it suitable for applications requiring superior stability and precision. Both components are MSL 1 rated with unlimited moisture sensitivity protection and are available in identical Tape & Reel packaging formats.

Frequently Asked Questions (FAQ)

Q: Can the CPF0402B28R7E1 directly replace the RT0402FRE0728R7L in existing designs?

A: Yes. Both components share identical resistance values, power ratings, package formats, and operating temperature ranges. The CPF0402B28R7E1 features tighter tolerance and lower temperature coefficient, making it a direct electrical and mechanical substitute.

Q: What are the key differences between these two 28.7 Ohm 0402 resistors?

A: The primary differences are tolerance specification (±0.1% versus ±1%) and temperature coefficient (±25ppm/°C versus ±50ppm/°C). Both maintain identical physical dimensions, power ratings, and environmental compliance certifications.

Q: Are both components suitable for high-temperature applications?

A: Yes. Both the RT0402FRE0728R7L and CPF0402B28R7E1 operate across the identical temperature range of -55°C to 155°C with MSL 1 moisture sensitivity ratings.

Q: Does the improved tolerance of the CPF0402B28R7E1 affect circuit board assembly compatibility?

A: No. Both components utilize identical 0402 (1005 Metric) package specifications with matching physical dimensions and termination configurations, ensuring full compatibility with existing assembly processes and footprints.

Q: Are both parts ROHS3 compliant?

A: Yes. Both the RT0402FRE0728R7L and CPF0402B28R7E1 maintain full ROHS3 compliance and are suitable for applications requiring environmental regulatory adherence.