RT0805FRE072K1L Equivalent & Substitute Parts

Part Overview

The RT0805FRE072K1L is a 2.1 kOhms ±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. Substitute parts are identified based on matching resistance value, package form factor, and electrical performance parameters while accommodating tolerance and power rating variations.

Key Parameters

Parameter	Value
Resistance	2.1 kOhms
Tolerance	±1%
Power Rating	0.125W (1/8W)
Package / Case	0805 (2012 Metric)
Composition	Thin Film
Operating Temperature	-55°C ~ 155°C
Temperature Coefficient	±50ppm/°C
RoHS Status	ROHS3 Compliant
MSL Rating	1 (Unlimited)

Substitute Part Grouping Explanation

Substitute parts for the RT0805FRE072K1L are qualified based on the following criteria:

Primary Matching Parameters:

Resistance value: 2.1 kOhms (exact match required)
Package form factor: 0805 (2012 Metric) (exact match required)
Composition: Thin Film (exact match required)
Operating temperature range: -55°C ~ 155°C (minimum requirement)
RoHS compliance: ROHS3 Compliant (minimum requirement)

Allowable Variations:

Tolerance: ±1% or tighter (±0.1% acceptable as upgrade)
Power rating: 0.125W or higher (0.25W acceptable as upgrade)
Temperature coefficient: ±50ppm/°C or tighter (±25ppm/°C acceptable as upgrade)
Certifications: Additional automotive AEC-Q200 or anti-sulfur features permitted

Substitutes are grouped into upgrade categories where tolerance, power rating, or temperature coefficient specifications exceed the original part requirements.

Parameter Comparison

Manufacturer Part Number	Manufacturer	Resistance	Tolerance	Power (Watts)	Temp Coeff	Operating Temp	Package	Features	RoHS Status
RT0805FRE072K1L	YAGEO	2.1 kOhms	±1%	0.125W	±50ppm/°C	-55°C ~ 155°C	0805	—	ROHS3
RT0805BRD072K1L	YAGEO	2.1 kOhms	±0.1%	0.125W	±25ppm/°C	-55°C ~ 155°C	0805	—	ROHS3
4-2176092-5	TE Connectivity Passive Product	2.1 kOhms	±0.1%	0.25W	±25ppm/°C	-55°C ~ 155°C	0805	—	ROHS3
ERA-6AEB2101V	Panasonic Electronic Components	2.1 kOhms	±0.1%	0.125W	±25ppm/°C	-55°C ~ 155°C	0805	Automotive AEC-Q200	ROHS3
RG2012P-2101-B-T5	Susumu	2.1 kOhms	±0.1%	0.125W	±25ppm/°C	-55°C ~ 155°C	0805	Anti-Sulfur, Automotive AEC-Q200	ROHS3

Engineering Selection Recommendations

RT0805BRD072K1L (YAGEO): Direct upgrade from the main part with improved tolerance (±0.1% vs ±1%) and tighter temperature coefficient (±25ppm/°C vs ±50ppm/°C). Maintains identical power rating and package specifications. ROHS3 compliant. Suitable for applications requiring enhanced precision without additional environmental certifications.

4-2176092-5 (TE Connectivity Passive Product): Offers increased power dissipation capability (0.25W vs 0.125W) with ±0.1% tolerance and ±25ppm/°C temperature coefficient. Maintains 0805 package form factor and ROHS3 compliance. Appropriate for circuits requiring higher thermal headroom while maintaining thin film composition.

ERA-6AEB2101V (Panasonic Electronic Components): Upgrade option with automotive AEC-Q200 qualification, ±0.1% tolerance, and ±25ppm/°C temperature coefficient. Maintains 0.125W power rating and 0805 package. ROHS3 and REACH compliant. Suitable for automotive and mission-critical applications requiring automotive-grade component certification.

RG2012P-2101-B-T5 (Susumu): Premium option combining automotive AEC-Q200 qualification with anti-sulfur feature, ±0.1% tolerance, and ±25ppm/°C temperature coefficient. Maintains 0.125W power rating and 0805 package. ROHS3 and REACH compliant. Recommended for harsh environments or automotive applications with sulfur exposure risk.

Frequently Asked Questions (FAQ)

Q: Can RT0805BRD072K1L replace RT0805FRE072K1L in all applications?

A: Yes. RT0805BRD072K1L meets or exceeds all electrical parameters of the original part. The tighter tolerance (±0.1% vs ±1%) and improved temperature coefficient (±25ppm/°C vs ±50ppm/°C) provide enhanced performance. Both parts share identical package form factor, power rating, and operating temperature range.

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

A: Power rating indicates maximum continuous power dissipation capability. The 0.25W rating in 4-2176092-5 provides higher thermal margin in circuits with elevated current flow. Selection depends on actual circuit power dissipation requirements. Both ratings are compatible with 0805 package form factor.

Q: Are automotive-qualified parts (ERA-6AEB2101V, RG2012P-2101-B-T5) suitable for non-automotive applications?

A: Yes. Automotive-qualified parts meet or exceed commercial-grade specifications. AEC-Q200 certification indicates enhanced reliability testing and quality assurance. These parts are fully compatible with non-automotive applications and provide additional performance margin.

Q: What does anti-sulfur feature in RG2012P-2101-B-T5 mean?

A: Anti-sulfur coating protects the component from sulfur-containing environmental contaminants that can degrade thin film resistors. This feature is beneficial in industrial environments, coastal areas, or applications with chemical exposure. For standard indoor applications, this feature provides additional reliability margin without performance impact.

Q: Are all substitute parts ROHS3 compliant?

A: Yes. All listed substitute parts carry ROHS3 compliance certification, matching the original RT0805FRE072K1L specification.

Q: Can I use a higher tolerance part (±0.1%) where ±1% is specified?

A: Yes. Tighter tolerance specifications are always compatible with applications designed for looser tolerances. A ±0.1% part will perform within the ±1% requirement. This substitution improves circuit accuracy without introducing compatibility issues.

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