RT0805FRE07124RL Equivalent & Substitute Parts

Part Overview

The RT0805FRE07124RL is a 124 Ohms ±1% thin film chip resistor in 0805 (2012 Metric) package manufactured by YAGEO. This surface mount device is rated for 0.125W (1/8W) power dissipation with an operating temperature range of -55°C to 155°C. The part is ROHS3 compliant and carries MSL Level 1 (Unlimited) moisture sensitivity rating. As an active product with 792 units in stock, substitute parts are available for applications requiring improved tolerance specifications, higher power ratings, or automotive-grade certifications.

Substiute Parts

RT0805FRE07124RL

YAGEOIn Stock: 848RT0805FRE07124RL Datasheet

Current PartRFQ

RT0805BRD07124RL

YAGEOIn Stock: 9395RT0805BRD07124RL Datasheet

UpgradeRFQ

3-2176091-3

TE Connectivity Passive ProductIn Stock: 35403-2176091-3 Datasheet

DirectRFQ

ERA-6AEB1240V

Panasonic Electronic ComponentsIn Stock: 17677ERA-6AEB1240V Datasheet

UpgradeRFQ

RG2012P-1240-B-T5

SusumuIn Stock: 4424RG2012P-1240-B-T5 Datasheet

UpgradeRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitution eligibility for the RT0805FRE07124RL is determined by the following parameters: resistance value (124 Ohms), package type (0805), composition (thin film), and operating temperature range (-55°C to 155°C). All substitute parts maintain these core specifications.

Substitute parts are grouped into three categories based on tolerance and power rating enhancements:

Tolerance Upgrade (±0.1%): RT0805BRD07124RL, ERA-6AEB1240V, and RG2012P-1240-B-T5 provide improved tolerance specifications with ±0.1% accuracy and reduced temperature coefficient (±25ppm/°C versus ±50ppm/°C).

Power Rating Upgrade (0.25W): 3-2176091-3 from TE Connectivity offers doubled power dissipation capacity (0.25W) while maintaining ±0.1% tolerance and the same 0805 package footprint.

Automotive Certification: ERA-6AEB1240V and RG2012P-1240-B-T5 include AEC-Q200 automotive qualification. RG2012P-1240-B-T5 additionally features anti-sulfur coating for enhanced environmental protection.

Parameter Comparison

Engineering Selection Recommendations

For Standard Applications: RT0805BRD07124RL provides direct functional equivalence with improved tolerance (±0.1% versus ±1%) and lower temperature coefficient, maintaining identical power rating and package specifications.

For Power-Constrained Designs: 3-2176091-3 is suitable when thermal margin is limited, offering 0.25W power dissipation in the same 0805 footprint with ±0.1% tolerance.

For Automotive Applications: ERA-6AEB1240V and RG2012P-1240-B-T5 both carry AEC-Q200 certification. RG2012P-1240-B-T5 includes anti-sulfur coating for enhanced reliability in corrosive environments.

All substitute parts maintain ROHS3 compliance, MSL Level 1 rating, and the -55°C to 155°C operating temperature range of the original part.

Frequently Asked Questions (FAQ)

Q: Can RT0805BRD07124RL be used as a direct replacement for RT0805FRE07124RL?

A: Yes. Both parts share identical resistance (124 Ohms), power rating (0.125W), package (0805), and operating temperature range (-55°C to 155°C). RT0805BRD07124RL offers improved tolerance (±0.1% versus ±1%) and lower temperature coefficient (±25ppm/°C versus ±50ppm/°C).

Q: What is the difference between the 0.125W and 0.25W power ratings?

A: Power rating determines maximum continuous power dissipation. The 0.25W rating in 3-2176091-3 allows higher current handling in the same physical package. Selection depends on circuit power requirements and thermal design.

Q: Are automotive-grade parts (ERA-6AEB1240V, RG2012P-1240-B-T5) compatible with non-automotive applications?

A: Yes. Automotive-qualified parts meet or exceed standard industrial specifications. AEC-Q200 certification indicates enhanced reliability testing and environmental stress screening. These parts are suitable for any application requiring the 124 Ohms ±0.1% specification.

Q: What does anti-sulfur coating provide in RG2012P-1240-B-T5?

A: Anti-sulfur coating protects against sulfur-induced corrosion in high-sulfur environments. This feature is beneficial for applications exposed to industrial atmospheres or specific chemical environments but is not required for standard indoor or controlled environments.

Q: Do all substitute parts maintain the same physical dimensions?

A: All parts use the 0805 (2012 Metric) package with identical length (0.079" / 2.00mm) and width (0.049" / 1.25mm). Height varies slightly: RT0805FRE07124RL, RT0805BRD07124RL, and ERA-6AEB1240V are 0.024" (0.60mm); 3-2176091-3 is 0.026" (0.65mm); RG2012P-1240-B-T5 is 0.020" (0.50mm). These variations are within standard PCB assembly tolerances.