RL0805JR-7W0R047L Equivalent & Substitute Parts

Part Overview

The RL0805JR-7W0R047L is a 0.047 ohm, ±5% tolerance, 0.25W thick film chip resistor in 0805 (2012 metric) package manufactured by YAGEO. This component is designed for current sensing applications in automotive environments and meets AEC-Q200 qualification standards. The part is actively produced and available in high volume inventory. Substitute parts are identified to provide alternatives with improved tolerance specifications or different packaging configurations while maintaining electrical and mechanical compatibility.

Key Parameters

Parameter	Value
Resistance	47 mOhms (0.047 Ω)
Tolerance	±5%
Power Rating	0.25W (1/4W)
Package	0805 (2012 Metric)
Composition	Thick Film
Temperature Coefficient	±1200 ppm/°C
Operating Temperature Range	-55°C to +125°C
Automotive Rating	AEC-Q200
Moisture Sensitivity Level	MSL 1 (Unlimited)
RoHS Status	ROHS3 Compliant

Substitute Part Grouping Explanation

Substitution eligibility for the RL0805JR-7W0R047L is determined by the following critical parameters:

Resistance value: 47 mOhms (exact match required)
Package type: 0805 (2012 metric) form factor
Power rating: 0.25W minimum
Composition: Thick film construction
Automotive qualification: AEC-Q200 compliance
Operating temperature range: -55°C to +125°C minimum
Moisture sensitivity: MSL 1 or better

The identified substitute part RL0805FR-7W0R047L maintains all critical electrical and mechanical parameters. The primary difference is tolerance specification (±1% versus ±5%), which represents an upgrade in precision capability while preserving all other functional characteristics and package dimensions.

Parameter Comparison

Parameter	RL0805JR-7W0R047L (Main)	RL0805FR-7W0R047L (Substitute)
Manufacturer	YAGEO	YAGEO
Resistance	47 mOhms	47 mOhms
Tolerance	±5%	±1%
Power Rating	0.25W	0.25W
Package	0805 (2012 Metric)	0805 (2012 Metric)
Composition	Thick Film	Thick Film
Temperature Coefficient	±1200 ppm/°C	±1200 ppm/°C
Operating Temperature	-55°C to +125°C	-55°C to +125°C
AEC-Q200 Rating	Yes	Yes
Moisture Sensitivity Level	MSL 1	MSL 1
RoHS Status	ROHS3 Compliant	ROHS3 Compliant
Size / Dimension	0.079" L x 0.049" W (2.00mm x 1.25mm)	0.079" L x 0.049" W (2.00mm x 1.25mm)
Height - Seated (Max)	0.024" (0.60mm)	0.024" (0.60mm)
Number of Terminations	2	2
Packaging Format	Tape & Reel (TR)	Cut Tape (CT) & Digi-Reel®
Product Status	Active	Active

Engineering Selection Recommendations

Both RL0805JR-7W0R047L and RL0805FR-7W0R047L are active production components from YAGEO with full AEC-Q200 automotive qualification and ROHS3 compliance. Selection between these parts should be based on tolerance requirements and packaging format availability.

The RL0805JR-7W0R047L with ±5% tolerance is suitable for applications where standard precision current sensing is acceptable. The RL0805FR-7W0R047L with ±1% tolerance provides enhanced precision for applications requiring tighter resistance value control. Both parts maintain identical electrical performance characteristics, thermal behavior, and environmental ratings across the full operating temperature range.

Packaging format differs between the two parts: the main part is supplied in Tape & Reel (TR) format, while the substitute is available in Cut Tape (CT) and Digi-Reel® formats. This distinction affects procurement and assembly processes but does not impact component functionality or performance.

Frequently Asked Questions (FAQ)

Q: Can RL0805FR-7W0R047L be used as a direct replacement for RL0805JR-7W0R047L?

A: Yes. Both parts share identical resistance value, power rating, package dimensions, and automotive qualification. The substitute part features improved tolerance (±1% versus ±5%), which is a functional upgrade. No circuit modifications or design changes are required.

Q: What is the significance of the tolerance difference between ±5% and ±1%?

A: Tolerance defines the acceptable deviation from the nominal 47 mOhm resistance value. The ±5% part allows deviation up to ±2.35 mOhms, while the ±1% part restricts deviation to ±0.47 mOhms. Applications requiring precise current measurement benefit from the tighter tolerance of the ±1% variant.

Q: Are the physical dimensions identical between these parts?

A: Yes. Both parts are packaged in 0805 (2012 metric) form factor with identical length (0.079"), width (0.049"), and maximum seated height (0.024"). They are mechanically interchangeable on PCBs designed for 0805 components.

Q: What is the difference between Tape & Reel and Cut Tape packaging?

A: Tape & Reel (TR) packaging supplies components on continuous tape wound on reels, suitable for high-volume automated assembly. Cut Tape (CT) and Digi-Reel® packaging provide smaller quantities on cut tape segments, suitable for lower-volume production or prototyping. Component performance is identical regardless of packaging format.

Q: Do both parts meet automotive standards?

A: Yes. Both RL0805JR-7W0R047L and RL0805FR-7W0R047L carry AEC-Q200 qualification, confirming suitability for automotive applications across the -55°C to +125°C operating temperature range.

Q: Is moisture sensitivity a concern for these components?

A: No. Both parts are rated MSL 1 (Unlimited), indicating no moisture sensitivity limitations. These components can be stored indefinitely without desiccant protection and do not require special handling procedures related to moisture exposure.

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