RT0603FRE072K1L Equivalent & Substitute Parts

Part Overview

The RT0603FRE072K1L is a 2.1 kOhms ±1% thin film chip resistor in 0603 (1608 Metric) package format, rated at 0.1W power dissipation. Manufactured by YAGEO under the RT series, this component is actively produced and RoHS3 compliant. Substitute parts are identified to address inventory availability, enhanced tolerance specifications, or specific application requirements such as automotive qualification or anti-sulfur protection.

Key Parameters

Parameter	Value
Resistance	2.1 kOhms
Tolerance	±1%
Power Rating	0.1W (1/10W)
Package / Case	0603 (1608 Metric)
Composition	Thin Film
Temperature Coefficient	±50ppm/°C
Operating Temperature Range	-55°C to 155°C
RoHS Status	RoHS3 Compliant
Moisture Sensitivity Level	MSL 1 (Unlimited)

Substitute Part Grouping Explanation

Substitution eligibility is determined by the following criteria:

Mandatory Compatibility Parameters:

Resistance value: 2.1 kOhms (exact match required)
Package / Case: 0603 (1608 Metric) (exact match required)
Power rating: 0.1W minimum (equal or higher acceptable)
Composition: Thin Film
Operating temperature range: -55°C to 155°C minimum (equal or wider acceptable)
RoHS3 compliance

Allowable Variations:

Tolerance: May be equal to or tighter than ±1%
Temperature coefficient: May be equal to or lower than ±50ppm/°C
Packaging format: Tape & Reel (TR) or Cut Tape (CT) formats are interchangeable in manufacturing
Certifications: Additional certifications (AEC-Q200, anti-sulfur) do not prevent substitution

All identified substitute parts meet these criteria and are direct functional equivalents for the RT0603FRE072K1L.

Parameter Comparison

Part Number	Manufacturer	Resistance	Tolerance	Power (W)	Temp Coeff (ppm/°C)	Package	Packaging Format	RoHS3
RT0603FRE072K1L	YAGEO	2.1 kΩ	±1%	0.1	±50	0603	Tape & Reel	Yes
RT0603BRD072K1L	YAGEO	2.1 kΩ	±0.1%	0.1	±25	0603	Cut Tape & Digi-Reel	Yes
RT0603DRD072K1L	YAGEO	2.1 kΩ	±0.5%	0.1	±25	0603	Tape & Reel	Yes
RT0603DRE072K1L	YAGEO	2.1 kΩ	±0.5%	0.1	±50	0603	Tape & Reel	Yes
ERA-3AEB2101V	Panasonic Electronic Components	2.1 kΩ	±0.1%	0.1	±25	0603	Tape & Reel	Yes
RG1608P-2101-B-T5	Susumu	2.1 kΩ	±0.1%	0.1	±25	0603	Tape & Reel	Yes
RP73PF1J2K1BTDF	TE Connectivity Passive Product	2.1 kΩ	±0.1%	0.167	±25	0603	Tape & Reel	Yes

Engineering Selection Recommendations

YAGEO RT Series (RT0603BRD072K1L, RT0603DRD072K1L, RT0603DRE072K1L): These parts maintain YAGEO RT series continuity with improved tolerance specifications (±0.1% to ±0.5%) and lower temperature coefficients (±25ppm/°C). All are active products with RoHS3 compliance and suitable for standard industrial applications.

Panasonic ERA-3AEB2101V: This part offers ±0.1% tolerance and ±25ppm/°C temperature coefficient with AEC-Q200 automotive qualification. Selection is appropriate for automotive or mission-critical applications requiring automotive-grade reliability.

Susumu RG1608P-2101-B-T5: This part combines ±0.1% tolerance, ±25ppm/°C temperature coefficient, AEC-Q200 automotive qualification, and anti-sulfur protection. Selection is appropriate for harsh environments or automotive applications with sulfur exposure risk.

TE Connectivity RP73PF1J2K1BTDF: This part provides ±0.1% tolerance and ±25ppm/°C temperature coefficient with increased power rating (0.167W vs. 0.1W). Selection is appropriate when higher power dissipation margin is required within the same package footprint.

Frequently Asked Questions (FAQ)

Q: Can RT0603BRD072K1L replace RT0603FRE072K1L in my design?

A: Yes. Both parts share identical resistance (2.1 kOhms), package (0603), power rating (0.1W), and operating temperature range (-55°C to 155°C). RT0603BRD072K1L offers tighter tolerance (±0.1% vs. ±1%) and lower temperature coefficient (±25ppm/°C vs. ±50ppm/°C), making it a direct upgrade. Packaging format differs (Cut Tape & Digi-Reel vs. Tape & Reel), but this does not affect electrical performance.

Q: What is the difference between RT0603DRD072K1L and RT0603DRE072K1L?

A: Both parts are identical except for temperature coefficient. RT0603DRD072K1L has ±25ppm/°C, while RT0603DRE072K1L has ±50ppm/°C. Both offer ±0.5% tolerance and 0.1W power rating. Selection depends on temperature stability requirements for your application.

Q: When should I use the Susumu RG1608P-2101-B-T5 instead of YAGEO alternatives?

A: The Susumu RG1608P-2101-B-T5 includes anti-sulfur protection and AEC-Q200 automotive qualification. Selection is appropriate for automotive applications, industrial environments with sulfur exposure, or applications requiring automotive-grade reliability certification.

Q: Is RP73PF1J2K1BTDF compatible with my circuit designed for 0.1W resistors?

A: Yes. RP73PF1J2K1BTDF is rated at 0.167W (1/6W), which exceeds the 0.1W requirement. Higher power rating provides additional thermal margin and does not affect electrical compatibility. Physical dimensions remain within 0603 package specifications.

Q: Do all substitute parts have the same moisture sensitivity level?

A: Yes. All listed substitute parts have MSL 1 (Unlimited), matching the original RT0603FRE072K1L. No special moisture handling precautions are required for any of these parts.

Q: Can I mix different substitute parts in the same production batch?

A: All substitute parts are electrically compatible and meet the same package and performance specifications. However, manufacturing and procurement practices should determine whether mixed sourcing is acceptable for your specific application and quality requirements.

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