RT0402DRD07549RL Equivalent & Substitute Parts

Part Overview

The RT0402DRD07549RL is a 549 Ohm ±0.5% thin film chip resistor in 0402 (1005 Metric) package rated at 0.063W (1/16W). 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 format, power rating, and composition while allowing for tolerance and feature variations within acceptable engineering parameters.

Key Parameters

Parameter	Value
Resistance	549 Ohms
Tolerance	±0.5%
Power Rating	0.063W (1/16W)
Package / Case	0402 (1005 Metric)
Composition	Thin Film
Temperature Coefficient	±25ppm/°C
Operating Temperature Range	-55°C ~ 155°C
RoHS Status	ROHS3 Compliant
Moisture Sensitivity Level	1 (Unlimited)

Substitute Part Grouping Explanation

Substitute parts for the RT0402DRD07549RL are qualified based on the following criteria:

Primary Matching Parameters:

Resistance value: 549 Ohms (exact match required)
Package format: 0402 (1005 Metric) (exact match required)
Power rating: 0.063W, 1/16W (exact match required)
Composition: Thin Film (exact match required)
Temperature coefficient: ±25ppm/°C (exact match required)
Operating temperature range: -55°C ~ 155°C (exact match required)

Allowable Variations:

Tolerance: May be tighter (±0.1%) than the original ±0.5%
Features: May include automotive qualification (AEC-Q200) or anti-sulfur properties
Manufacturer: Different manufacturers acceptable if all primary parameters match
Height: Minor variations within 0.014" to 0.016" maximum seated height

Parameter Comparison

Parameter	RT0402DRD07549RL (Main)	RT0402BRD07549RL	RG1005P-5490-D-T10	CPF0402B549RE1	ERA-2AEB5490X
Manufacturer	YAGEO	YAGEO	Susumu	TE Connectivity	Panasonic
Resistance	549 Ohms	549 Ohms	549 Ohms	549 Ohms	549 Ohms
Tolerance	±0.5%	±0.1%	±0.5%	±0.1%	±0.1%
Power Rating	0.063W (1/16W)	0.063W (1/16W)	0.063W (1/16W)	0.063W (1/16W)	0.063W (1/16W)
Package / Case	0402 (1005 Metric)	0402 (1005 Metric)	0402 (1005 Metric)	0402 (1005 Metric)	0402 (1005 Metric)
Composition	Thin Film	Thin Film	Thin Film	Thin Film	Thin Film
Temperature Coefficient	±25ppm/°C	±25ppm/°C	±25ppm/°C	±25ppm/°C	±25ppm/°C
Operating Temperature	-55°C ~ 155°C	-55°C ~ 155°C	-55°C ~ 155°C	-55°C ~ 155°C	-55°C ~ 155°C
Height - Seated (Max)	0.014" (0.35mm)	0.014" (0.35mm)	0.016" (0.40mm)	0.014" (0.35mm)	0.016" (0.40mm)
RoHS Status	ROHS3 Compliant	ROHS3 Compliant	ROHS3 Compliant	ROHS3 Compliant	ROHS3 Compliant
MSL Rating	1 (Unlimited)	1 (Unlimited)	1 (Unlimited)	1 (Unlimited)	1 (Unlimited)
Features	Standard	Standard	Anti-Sulfur, AEC-Q200	Standard	AEC-Q200
Product Status	Active	Active	Active	Active	Active

Engineering Selection Recommendations

All substitute parts listed maintain active product status and ROHS3 compliance, ensuring continued availability and regulatory conformance.

RT0402BRD07549RL (YAGEO): Direct upgrade within the same manufacturer series with improved tolerance specification (±0.1% vs ±0.5%). Identical package dimensions and electrical characteristics. Recommended for applications requiring tighter tolerance control while maintaining YAGEO supply chain continuity.

RG1005P-5490-D-T10 (Susumu): Maintains original tolerance specification (±0.5%) with added automotive AEC-Q200 qualification and anti-sulfur properties. Seated height increases to 0.016" (0.40mm). Suitable for automotive applications or environments with sulfur exposure risk.

CPF0402B549RE1 (TE Connectivity Passive Product): Upgrade option with ±0.1% tolerance and Neohm series designation. Identical package dimensions to the main part. Provides alternative supply source with tighter tolerance specification.

ERA-2AEB5490X (Panasonic Electronic Components): Upgrade with ±0.1% tolerance and AEC-Q200 automotive qualification. Seated height increases to 0.016" (0.40mm). Suitable for automotive applications requiring higher tolerance precision.

Frequently Asked Questions (FAQ)

Q: Can I substitute RT0402BRD07549RL for RT0402DRD07549RL?

A: Yes. Both parts are YAGEO RT series thin film resistors with identical 549 Ohm resistance, 0402 package, 0.063W power rating, and operating temperature range. The substitute has tighter tolerance (±0.1% vs ±0.5%), which is compatible with the original specification.

Q: What is the difference between the Susumu RG1005P-5490-D-T10 and the YAGEO RT0402DRD07549RL?

A: Both parts match in resistance, tolerance, power rating, and package format. The Susumu part includes AEC-Q200 automotive qualification and anti-sulfur properties, with a maximum seated height of 0.016" compared to 0.014" for the YAGEO part. Select the Susumu part for automotive or corrosive environments.

Q: Are all substitute parts ROHS3 compliant?

A: Yes. All listed substitute parts carry ROHS3 compliance certification, matching the environmental compliance status of the main part.

Q: Does tolerance variation affect interchangeability?

A: Tighter tolerance (±0.1%) is a direct upgrade and does not affect interchangeability. All substitute parts with ±0.1% tolerance remain within the ±0.5% specification window of the original part.

Q: Can I use ERA-2AEB5490X in a space-constrained PCB layout?

A: The ERA-2AEB5490X has a maximum seated height of 0.016" (0.40mm) compared to 0.014" (0.35mm) for the RT0402DRD07549RL. Verify PCB clearance specifications before substitution if height tolerance is critical.

Q: Which substitute part offers the best availability?

A: RT0402BRD07549RL (YAGEO) shows the highest inventory level at 43,282 pieces. All substitute parts maintain active product status with confirmed stock availability.

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