RT0603DRE07124KL Equivalent & Substitute Parts

Part Overview

The RT0603DRE07124KL is a 124 kOhms ±0.5% 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 Active status and RoHS3 compliant. Substitute parts are identified based on matching resistance value, package form factor, and electrical performance parameters within acceptable tolerance and power rating specifications.

Key Parameters

Parameter	Value
Resistance	124 kOhms
Tolerance	±0.5%
Power Rating	0.1W (1/10W)
Package / Case	0603 (1608 Metric)
Composition	Thin Film
Operating Temperature Range	-55°C ~ 155°C
RoHS Status	RoHS3 Compliant
Moisture Sensitivity Level	1 (Unlimited)

Substitute Part Grouping Explanation

Substitute parts for the RT0603DRE07124KL are grouped based on the following substitution criteria:

Primary Matching Parameters:

Resistance value: 124 kOhms (exact match required)
Package form factor: 0603 (1608 Metric) (exact match required)
Composition: Thin Film (exact match required)
Operating temperature range: -55°C ~ 155°C (exact match required)
RoHS3 compliance (required for regulatory equivalence)

Allowable Variations:

Tolerance: ±0.1% or ±0.5% (tighter tolerance acceptable as upgrade)
Power rating: 0.1W (1/10W) or 0.167W (1/6W) (equal or higher acceptable)
Temperature coefficient: ±25ppm/°C or ±50ppm/°C (both acceptable)
Manufacturer: YAGEO, TE Connectivity, Panasonic, or Susumu (all qualified suppliers)

Parameter Comparison

Manufacturer Part Number	Manufacturer	Resistance	Tolerance	Power (Watts)	Temp Coeff (ppm/°C)	Operating Temp (°C)	Package	RoHS Status
RT0603DRE07124KL	YAGEO	124 kOhms	±0.5%	0.1W	±50	-55 ~ 155	0603	RoHS3
RT0603BRD07124KL	YAGEO	124 kOhms	±0.1%	0.1W	±25	-55 ~ 155	0603	RoHS3
RT0603BRE07124KL	YAGEO	124 kOhms	±0.1%	0.1W	±50	-55 ~ 155	0603	RoHS3
RT0603DRD07124KL	YAGEO	124 kOhms	±0.5%	0.1W	±25	-55 ~ 155	0603	RoHS3
9-2176089-8	TE Connectivity	124 kOhms	±0.1%	0.167W	±25	-55 ~ 155	0603	RoHS3
ERA-3AEB1243V	Panasonic	124 kOhms	±0.1%	0.1W	±25	-55 ~ 155	0603	RoHS3
RG1608P-1243-B-T5	Susumu	124 kOhms	±0.1%	0.1W	±25	-55 ~ 155	0603	RoHS3

Engineering Selection Recommendations

All listed substitute parts maintain Active product status and RoHS3 compliance. Selection between substitutes depends on specific application requirements:

YAGEO RT Series (RT0603BRD07124KL, RT0603BRE07124KL, RT0603DRD07124KL): Direct manufacturer alternatives with identical package and operating specifications. RT0603BRD07124KL and RT0603BRE07124KL offer improved tolerance (±0.1%) compared to the original ±0.5% specification.

TE Connectivity 9-2176089-8: Equivalent resistance and tolerance with higher power rating (0.167W vs. 0.1W). Suitable for applications requiring additional thermal margin.

Panasonic ERA-3AEB1243V: Automotive AEC-Q200 rated alternative with ±0.1% tolerance and ±25ppm/°C temperature coefficient. Appropriate for automotive and high-reliability applications.

Susumu RG1608P-1243-B-T5: Automotive AEC-Q200 rated with anti-sulfur feature, ±0.1% tolerance, and ±25ppm/°C temperature coefficient. Highest inventory availability (76,313 units). Suitable for automotive and corrosive environment applications.

Frequently Asked Questions (FAQ)

Q: Can RT0603BRD07124KL replace RT0603DRE07124KL directly? A: Yes. Both parts share identical resistance (124 kOhms), package (0603), power rating (0.1W), and operating temperature range (-55°C ~ 155°C). RT0603BRD07124KL provides tighter tolerance (±0.1% vs. ±0.5%) and lower temperature coefficient (±25ppm/°C vs. ±50ppm/°C), making it a direct upgrade.

Q: What is the difference between YAGEO RT0603BRD07124KL and RT0603BRE07124KL? A: Both parts have identical resistance, tolerance (±0.1%), power rating (0.1W), and package. The difference is temperature coefficient: RT0603BRD07124KL has ±25ppm/°C while RT0603BRE07124KL has ±50ppm/°C. Selection depends on temperature stability requirements.

Q: Can I use the TE Connectivity 9-2176089-8 as a substitute? A: Yes. The 9-2176089-8 matches resistance (124 kOhms), tolerance (±0.1%), package (0603), and operating temperature range. The higher power rating (0.167W vs. 0.1W) is acceptable and provides additional thermal headroom. Physical dimensions are slightly different (1.55mm L vs. 1.60mm L).

Q: Are automotive-rated parts (Panasonic ERA-3AEB1243V, Susumu RG1608P-1243-B-T5) interchangeable with standard parts? A: Yes, for the specified electrical parameters. Both automotive AEC-Q200 rated parts are electrically equivalent to the original RT0603DRE07124KL. Use automotive-rated alternatives when application requirements mandate AEC-Q200 compliance or enhanced reliability in harsh environments.

Q: Does package size differ between substitutes? A: All parts use 0603 (1608 Metric) package. Physical dimensions are nearly identical: most parts measure 1.60mm L × 0.80mm W. The TE Connectivity 9-2176089-8 measures 1.55mm L × 0.80mm W and the Susumi RG1608P-1243-B-T5 has maximum height of 0.50mm vs. 0.55mm for others. These variations are within standard PCB layout tolerances.

Q: What does MSL 1 (Unlimited) mean? A: Moisture Sensitivity Level 1 indicates the component has unlimited shelf life and requires no special moisture control during storage or handling. All listed substitutes share this specification.

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