RT0402FRE07309RL Equivalent & Substitute Parts

Part Overview

The RT0402FRE07309RL is a 309 Ohms ±1% thin film chip resistor in 0402 (1005 Metric) package manufactured by YAGEO. This surface-mount device is rated for 0.063W (1/16W) power dissipation and operates across -55°C to 155°C. The part is ROHS3 compliant with MSL 1 rating and is currently in active production status. Substitute parts are identified for applications requiring improved tolerance specifications or alternative manufacturer sourcing.

Key Parameters

Parameter	Value
Resistance	309 Ohms
Tolerance	±1%
Power Rating	0.063W (1/16W)
Package	0402 (1005 Metric)
Composition	Thin Film
Operating Temperature	-55°C to 155°C
Temperature Coefficient	±50ppm/°C
RoHS Status	ROHS3 Compliant
MSL Rating	1 (Unlimited)

Substitute Part Grouping Explanation

Substitution eligibility for the RT0402FRE07309RL is determined by the following critical parameters:

Resistance Value: Must be 309 Ohms
Package Type: Must be 0402 (1005 Metric)
Composition: Must be Thin Film
Power Rating: Must be 0.063W (1/16W)
Operating Temperature Range: Must span -55°C to 155°C
Compliance: Must maintain ROHS3 compliance and MSL 1 rating

All identified substitute parts meet these core requirements. Tolerance specifications vary among substitutes, with upgraded options offering ±0.1% tolerance compared to the original ±1% specification. Temperature coefficient performance also differs across manufacturers, ranging from ±10ppm/°C to ±50ppm/°C.

Parameter Comparison

Part Number	Manufacturer	Resistance	Tolerance	Power (W)	Temp Coeff (ppm/°C)	Operating Temp (°C)	Package	Height Max (mm)	RoHS Status
RT0402FRE07309RL	YAGEO	309 Ω	±1%	0.063	±50	-55 to 155	0402	0.35	ROHS3
RT0402BRD07309RL	YAGEO	309 Ω	±0.1%	0.063	±25	-55 to 155	0402	0.35	ROHS3
CPF0402B309RE1	TE Connectivity Passive Product	309 Ω	±0.1%	0.063	±25	-55 to 155	0402	0.35	ROHS3
ERA-2AEB3090X	Panasonic Electronic Components	309 Ω	±0.1%	0.063	±25	-55 to 155	0402	0.40	ROHS3
RN73C1E309RBTDF	TE Connectivity Passive Product	309 Ω	±0.1%	0.063	±10	-55 to 155	0402	0.35	ROHS3

Engineering Selection Recommendations

All substitute parts maintain identical electrical specifications for resistance value, power rating, and operating temperature range. Selection between substitutes should be based on the following criteria:

YAGEO RT0402BRD07309RL: Direct manufacturer upgrade from the original part, offering improved ±0.1% tolerance and reduced temperature coefficient (±25ppm/°C). Maintains identical package dimensions and height specifications. Recommended for applications requiring tighter tolerance control within the YAGEO product line.

TE Connectivity CPF0402B309RE1: Equivalent tolerance and temperature coefficient performance to the YAGEO upgrade option. Provides alternative manufacturer sourcing for supply chain diversification. Identical physical dimensions and compliance ratings.

Panasonic ERA-2AEB3090X: Includes AEC-Q200 automotive qualification rating. Offers ±0.1% tolerance with ±25ppm/°C temperature coefficient. Height specification is 0.40mm (maximum), compared to 0.35mm for other options. Suitable for automotive-grade applications requiring enhanced reliability certification.

TE Connectivity RN73C1E309RBTDF: Provides the lowest temperature coefficient specification at ±10ppm/°C, combined with ±0.1% tolerance. Recommended for precision applications requiring superior temperature stability. Maintains standard 0402 package dimensions.

Frequently Asked Questions (FAQ)

Q: Can RT0402BRD07309RL be used as a direct replacement for RT0402FRE07309RL?

A: Yes. Both parts share identical resistance value (309 Ohms), package type (0402), power rating (0.063W), and operating temperature range (-55°C to 155°C). The substitute offers improved tolerance (±0.1% vs ±1%) and lower temperature coefficient (±25ppm/°C vs ±50ppm/°C), making it functionally compatible with identical physical footprint.

Q: What is the primary difference between the YAGEO and TE Connectivity options?

A: Both manufacturers provide ±0.1% tolerance and ±25ppm/°C temperature coefficient specifications. The primary distinction is manufacturer sourcing. TE Connectivity's RN73C1E309RBTDF variant offers superior temperature coefficient performance at ±10ppm/°C for applications requiring enhanced thermal stability.

Q: Why does the Panasonic ERA-2AEB3090X have a different height specification?

A: The ERA-2AEB3090X maximum seated height is 0.40mm compared to 0.35mm for other options. This 0.05mm difference is within typical PCB assembly tolerances but should be verified for applications with strict height constraints or high-density board layouts.

Q: Are all substitute parts ROHS3 compliant?

A: Yes. All identified substitute parts maintain ROHS3 compliance and MSL 1 (Unlimited) moisture sensitivity rating, matching the original RT0402FRE07309RL specifications.

Q: Which substitute is recommended for automotive applications?

A: The Panasonic ERA-2AEB3090X includes AEC-Q200 automotive qualification, making it the appropriate selection for automotive-grade circuit designs requiring enhanced reliability certification.

Request Quote (Ships tomorrow)

Part Number

Quantity

Company

Contact Name

E-mail

Message