RT0603FRE07249KL Equivalent & Substitute Parts

Part Overview

The RT0603FRE07249KL is a 249 kOhms ±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 ROHS3 compliant. Substitute parts are identified based on matching resistance value, package form factor, and compatible electrical specifications within the 0603 SMD resistor category. Alternative sources and upgraded tolerance grades are available to support design flexibility, supply chain optimization, and performance enhancement requirements.

Key Parameters

Parameter	Value
Resistance	249 kOhms
Tolerance	±1%
Power Rating	0.1W (1/10W)
Package / Case	0603 (1608 Metric)
Composition	Thin Film
Operating Temperature Range	-55°C ~ 155°C
Temperature Coefficient	±50ppm/°C
RoHS Status	ROHS3 Compliant
Moisture Sensitivity Level	1 (Unlimited)

Substitute Part Grouping Explanation

Substitution eligibility for the RT0603FRE07249KL is determined by the following core parameters:

Primary Matching Criteria:

Resistance value: 249 kOhms (exact match required)
Package form factor: 0603 (1608 Metric) SMD
Composition: Thin film construction
Operating temperature range: -55°C ~ 155°C minimum
RoHS3 compliance status

Secondary Compatibility Parameters:

Tolerance grade: ±1% or tighter (±0.5%, ±0.1%)
Power rating: 0.1W (1/10W) or higher (0.167W acceptable)
Temperature coefficient: ±50ppm/°C or better
Moisture sensitivity: MSL 1 (Unlimited)

Substitute parts are classified as upgrade options when tolerance, temperature coefficient, or power rating specifications exceed the original part requirements. Direct substitutes maintain equivalent electrical and mechanical characteristics. All listed substitutes maintain identical package dimensions and termination count (2 terminations).

Parameter Comparison

Manufacturer Part Number	Manufacturer	Resistance	Tolerance	Power (W)	Temp Coeff (ppm/°C)	Package	RoHS Status	Product Status
RT0603FRE07249KL	YAGEO	249 kOhms	±1%	0.1	±50	0603	ROHS3	Active
RT0603BRD07249KL	YAGEO	249 kOhms	±0.1%	0.1	±25	0603	ROHS3	Active
RT0603DRD07249KL	YAGEO	249 kOhms	±0.5%	0.1	±25	0603	ROHS3	Active
RT0603DRE07249KL	YAGEO	249 kOhms	±0.5%	0.1	±50	0603	ROHS3	Active
2-2176090-8	TE Connectivity Passive Product	249 kOhms	±0.1%	0.167	±25	0603	ROHS3	Active
ERA-3AEB2493V	Panasonic Electronic Components	249 kOhms	±0.1%	0.1	±25	0603	ROHS3	Active
MCT06030C2493FP500	Vishay Beyschlag/Draloric/BC Components	249 kOhms	±1%	0.1	±50	0603	ROHS3	Active
RG1608P-2493-B-T5	Susumu	249 kOhms	±0.1%	0.1	±25	0603	ROHS3	Active

Engineering Selection Recommendations

YAGEO RT Series (Same Manufacturer): RT0603DRE07249KL and RT0603BRD07249KL offer tighter tolerance grades (±0.5% and ±0.1% respectively) while maintaining identical package and power specifications. RT0603DRE07249KL matches the original temperature coefficient (±50ppm/°C). These options provide supply continuity within the same manufacturer ecosystem.

TE Connectivity 2-2176090-8: Provides ±0.1% tolerance and elevated power rating (0.167W, 1/6W) with improved temperature coefficient (±25ppm/°C). Suitable for applications requiring higher precision and thermal margin. Dimensions vary slightly (1.55mm L vs. 1.60mm L).

Panasonic ERA-3AEB2493V: Automotive AEC-Q200 qualified thin film resistor with ±0.1% tolerance and ±25ppm/°C temperature coefficient. Recommended for automotive and mission-critical applications requiring enhanced reliability certification. Highest inventory availability (55,817 pcs).

Vishay MCT06030C2493FP500: Matches original tolerance (±1%) and temperature coefficient (±50ppm/°C) with anti-sulfur feature. Suitable as direct functional equivalent from alternative manufacturer. Dimensions vary slightly (1.55mm L x 0.85mm W).

Susumu RG1608P-2493-B-T5: AEC-Q200 automotive qualified with anti-sulfur coating, ±0.1% tolerance, and ±25ppm/°C temperature coefficient. Lowest seated height (0.50mm vs. 0.55mm). Recommended for automotive applications with space constraints.

All substitute parts maintain ROHS3 compliance, MSL 1 rating, and active product status. Selection should be based on tolerance requirements, automotive qualification needs, and supply availability.

Frequently Asked Questions (FAQ)

Q: Can RT0603DRE07249KL directly replace RT0603FRE07249KL? A: Yes. Both parts share identical resistance (249 kOhms), package (0603), power rating (0.1W), and operating temperature range (-55°C ~ 155°C). RT0603DRE07249KL offers improved tolerance (±0.5% vs. ±1%) and is functionally compatible. Temperature coefficient remains ±50ppm/°C in both parts.

Q: What is the difference between tolerance grades ±1%, ±0.5%, and ±0.1%? A: Tolerance specifies the maximum deviation from the nominal 249 kOhm value. ±1% allows ±2.49 kOhm deviation; ±0.5% allows ±1.245 kOhm deviation; ±0.1% allows ±0.249 kOhm deviation. Tighter tolerances (±0.1%, ±0.5%) are required for precision analog circuits, measurement equipment, and high-accuracy signal conditioning. Standard tolerance (±1%) is suitable for general-purpose filtering and biasing applications.

Q: Are all substitute parts in 0603 package mechanically identical? A: Substitute parts maintain the 0603 (1608 Metric) package classification and fit standard 0603 footprints. Minor dimensional variations exist: TE Connectivity 2-2176090-8 measures 1.55mm L vs. 1.60mm L standard; Vishay MCT06030C2493FP500 measures 1.55mm L x 0.85mm W vs. 1.60mm x 0.80mm standard. All parts maintain 0.022" (0.55mm) maximum seated height except Susumu RG1608P-2493-B-T5 at 0.020" (0.50mm). Verify PCB footprint tolerance before substitution in space-constrained designs.

Q: Which substitute offers automotive qualification? A: ERA-3AEB2493V (Panasonic) and RG1608P-2493-B-T5 (Susumu) both carry AEC-Q200 automotive qualification. These parts are recommended for automotive, industrial, and mission-critical applications requiring enhanced reliability and qualification documentation.

Q: What does anti-sulfur coating provide? A: Anti-sulfur coating (featured in MCT06030C2493FP500 and RG1608P-2493-B-T5) protects thin film resistor elements from sulfur-containing environmental contaminants that can degrade performance over time. This feature is beneficial for applications in industrial environments or long-term reliability requirements.

Q: Can I use a higher power-rated substitute like 2-2176090-8 (0.167W) in place of the 0.1W original? A: Yes. Higher power rating provides thermal margin and does not negatively impact circuit function. The 0.167W (1/6W) rating of 2-2176090-8 is a superset of the 0.1W requirement. Use this substitute when additional thermal headroom is beneficial or when supply of exact 0.1W specifications is constrained.

Q: What is MSL 1 (Unlimited) moisture sensitivity? A: MSL 1 indicates the component requires no special moisture protection during storage, handling, or assembly. All listed substitutes carry MSL 1 rating, eliminating moisture-related compatibility concerns and simplifying inventory management.

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