RT0805FRE073K74L Equivalent & Substitute Parts

Part Overview

The RT0805FRE073K74L is a 3.74 kOhms ±1% thin film chip resistor in 0805 (2012 Metric) package rated at 0.125W (1/8W) power dissipation. Manufactured by YAGEO under the RT series, this component is actively produced and ROHS3 compliant. Substitute parts are identified when equivalent resistance values, package dimensions, and power ratings are maintained while offering improved tolerance specifications or enhanced reliability features such as automotive qualification or anti-sulfur protection.

Key Parameters

Parameter	Value
Resistance	3.74 kOhms
Tolerance	±1%
Power Rating	0.125W (1/8W)
Package / Case	0805 (2012 Metric)
Composition	Thin Film
Operating Temperature Range	-55°C ~ 155°C
Moisture Sensitivity Level	1 (Unlimited)
RoHS Status	ROHS3 Compliant

Substitute Part Grouping Explanation

Substitution eligibility is determined by the following criteria:

Mandatory Parameters (Must Match):

Resistance value: 3.74 kOhms
Package / Case: 0805 (2012 Metric)
Composition: Thin Film
Operating temperature range: -55°C ~ 155°C minimum
RoHS compliance: ROHS3 Compliant

Allowable Variations:

Tolerance: May be improved from ±1% to ±0.1%
Power rating: May be equal or higher (0.125W or greater)
Temperature coefficient: May vary within specified ranges
Features: May include automotive qualification (AEC-Q200) or anti-sulfur protection
Manufacturer: Different manufacturers acceptable if all mandatory parameters are met

Substitute parts are classified as Upgrade when tolerance is improved to ±0.1%, or Direct when equivalent specifications are maintained with different manufacturers.

Parameter Comparison

Part Number	Manufacturer	Resistance	Tolerance	Power Rating	Temp Coeff	Features	Product Status
RT0805FRE073K74L	YAGEO	3.74 kOhms	±1%	0.125W	±50ppm/°C	—	Active
RT0805BRD073K74L	YAGEO	3.74 kOhms	±0.1%	0.125W	±25ppm/°C	—	Active
RT0805BRE073K74L	YAGEO	3.74 kOhms	±0.1%	0.125W	±50ppm/°C	—	Active
6-2176092-7	TE Connectivity Passive Product	3.74 kOhms	±0.1%	0.25W	±25ppm/°C	—	Active
ERA-6AEB3741V	Panasonic Electronic Components	3.74 kOhms	±0.1%	0.125W	±25ppm/°C	Automotive AEC-Q200	Active
RG2012P-3741-B-T5	Susumu	3.74 kOhms	±0.1%	0.125W	±25ppm/°C	Anti-Sulfur, Automotive AEC-Q200	Active

Engineering Selection Recommendations

All substitute parts listed maintain active product status and ROHS3 compliance. Selection between substitutes depends on application requirements:

For standard industrial applications: RT0805BRD073K74L or RT0805BRE073K74L provide improved tolerance (±0.1%) over the original ±1% specification while maintaining YAGEO manufacturing consistency.

For applications requiring higher power dissipation: 6-2176092-7 from TE Connectivity offers 0.25W (1/4W) rating, doubling the power capacity while maintaining 0805 package dimensions and ±0.1% tolerance.

For automotive applications: ERA-6AEB3741V (Panasonic) and RG2012P-3741-B-T5 (Susumu) both carry AEC-Q200 automotive qualification. RG2012P-3741-B-T5 additionally includes anti-sulfur protection for enhanced environmental resistance.

All parts are available in Tape & Reel (TR) packaging with MSL 1 (Unlimited) moisture sensitivity rating.

Frequently Asked Questions (FAQ)

Q: Can RT0805BRD073K74L replace RT0805FRE073K74L directly?

A: Yes. Both parts maintain identical 3.74 kOhms resistance, 0805 package, 0.125W power rating, and -55°C to 155°C operating range. RT0805BRD073K74L offers improved ±0.1% tolerance and lower ±25ppm/°C temperature coefficient compared to the original ±1% tolerance and ±50ppm/°C coefficient.

Q: What is the difference between RT0805BRD073K74L and RT0805BRE073K74L?

A: Both parts are YAGEO products with identical 3.74 kOhms resistance, ±0.1% tolerance, 0.125W power rating, and 0805 package. The primary difference is temperature coefficient: RT0805BRD073K74L specifies ±25ppm/°C while RT0805BRE073K74L specifies ±50ppm/°C.

Q: Can 6-2176092-7 be used as a direct replacement?

A: Yes, with consideration for power rating. The TE Connectivity part maintains 3.74 kOhms resistance, ±0.1% tolerance, 0805 package, and -55°C to 155°C operating range. It provides 0.25W (1/4W) power rating versus the original 0.125W (1/8W), making it suitable for applications requiring higher power dissipation without changing board layout.

Q: Are ERA-6AEB3741V and RG2012P-3741-B-T5 suitable for non-automotive applications?

A: Yes. Both parts meet all mandatory substitution criteria for the RT0805FRE073K74L. AEC-Q200 automotive qualification does not restrict use in standard industrial applications. These parts offer the same electrical performance with additional environmental and reliability certifications.

Q: What does anti-sulfur protection in RG2012P-3741-B-T5 provide?

A: Anti-sulfur protection enhances component reliability in environments with hydrogen sulfide exposure or corrosive atmospheric conditions. This feature does not affect electrical performance in standard operating environments but provides extended service life in harsh industrial or marine applications.

Q: Are all substitute parts available in the same packaging format?

A: Yes. All listed substitute parts are supplied in Tape & Reel (TR) packaging with MSL 1 (Unlimited) moisture sensitivity rating, matching the original RT0805FRE073K74L packaging specification.

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