RT0603FRE07143RL Equivalent & Substitute Parts

Part Overview

The RT0603FRE07143RL is a 143 Ohms ±1% thin film chip resistor in 0603 (1608 Metric) package rated at 0.1W (1/10W) power dissipation. Manufactured by YAGEO under the RT series, this component is actively produced and widely used in general-purpose electronic applications. Finding equivalent and substitute parts is necessary to ensure design flexibility, manage supply chain continuity, and optimize cost-performance ratios across different manufacturing sources and tolerance specifications.

Substiute Parts

RT0603FRE07143RL

YAGEOIn Stock: 946RT0603FRE07143RL Datasheet

Current PartRFQ

RT0603BRD07143RL

YAGEOIn Stock: 5370RT0603BRD07143RL Datasheet

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ERA-3AEB1430V

Panasonic Electronic ComponentsIn Stock: 5228ERA-3AEB1430V Datasheet

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RP73PF1J143RBTDF

TE Connectivity Passive ProductIn Stock: 2125RP73PF1J143RBTDF Datasheet

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Key Parameters

Substitute Part Grouping Explanation

Substitution eligibility for the RT0603FRE07143RL is determined by the following critical parameters:

• Resistance Value: Must be 143 Ohms
• Package Type: Must be 0603 (1608 Metric) for mechanical and electrical compatibility
• Composition: Thin film construction ensures consistent performance characteristics
• Operating Temperature Range: Must support -55°C to 155°C minimum
• Tolerance: Tolerance of ±1% or better (±0.1%) is acceptable; tighter tolerance represents an upgrade
• Power Rating: Minimum 0.1W; higher power ratings (0.167W) are acceptable upgrades
• Temperature Coefficient: ±50ppm/°C or better is acceptable; lower values represent improved stability

Three substitute parts meet these criteria with varying upgrade characteristics in tolerance, temperature coefficient, and power rating specifications.

Parameter Comparison

Engineering Selection Recommendations

RT0603BRD07143RL (YAGEO): Direct upgrade from the main part. Maintains YAGEO series continuity while improving tolerance to ±0.1% and reducing temperature coefficient to ±25ppm/°C. Retains ROHS3 compliance and identical power rating. Recommended for applications requiring enhanced precision without changing supplier or package specifications.

ERA-3AEB1430V (Panasonic Electronic Components): Equivalent upgrade with automotive AEC-Q200 qualification. Provides ±0.1% tolerance and ±25ppm/°C temperature coefficient. ROHS3 compliant. Suitable for automotive and high-reliability applications where AEC-Q200 certification is required or preferred.

RP73PF1J143RBTDF (TE Connectivity Passive Product): Upgrade in power rating (0.167W vs. 0.1W) and tolerance (±0.1%), with improved temperature coefficient (±25ppm/°C). RoHS non-compliant status restricts use in applications requiring ROHS3 compliance. Suitable only for non-regulated or legacy applications where RoHS compliance is not mandated.

Frequently Asked Questions (FAQ)

Q: Can RT0603BRD07143RL be used as a direct replacement for RT0603FRE07143RL?

A: Yes. Both parts share identical resistance, package, power rating, and operating temperature range. RT0603BRD07143RL offers improved tolerance (±0.1% vs. ±1%) and lower temperature coefficient (±25ppm/°C vs. ±50ppm/°C), making it a direct upgrade with enhanced performance characteristics.

Q: What is the primary difference between ERA-3AEB1430V and the YAGEO substitutes?

A: ERA-3AEB1430V is manufactured by Panasonic and includes AEC-Q200 automotive qualification. It provides equivalent electrical performance (±0.1% tolerance, ±25ppm/°C temperature coefficient) but is specifically qualified for automotive applications. Selection depends on whether automotive certification is required.

Q: Why is RP73PF1J143RBTDF listed as a substitute if it is RoHS non-compliant?

A: RP73PF1J143RBTDF meets all core electrical and mechanical substitution criteria (143 Ohms, 0603 package, thin film composition, -55°C to 155°C operating range). However, its RoHS non-compliant status restricts its use to applications where RoHS compliance is not required. It is included for completeness in supply chain scenarios where regulatory constraints do not apply.

Q: Are all substitute parts mechanically compatible with the original part?

A: Yes. All substitute parts use the 0603 (1608 Metric) package with identical footprint dimensions (0.063" L x 0.031" W / 1.60mm x 0.80mm) and maximum seated height (0.022" / 0.55mm). They are mechanically interchangeable on PCB layouts designed for 0603 components.

Q: Which substitute offers the best performance improvement?

A: RT0603BRD07143RL and ERA-3AEB1430V both provide identical electrical improvements: ±0.1% tolerance and ±25ppm/°C temperature coefficient. Selection between them depends on whether automotive AEC-Q200 certification is required. RP73PF1J143RBTDF adds power rating headroom (0.167W) but sacrifices RoHS compliance.