RJ0805FRE074R7L Equivalent & Substitute Parts

Part Overview

The RJ0805FRE074R7L is a 4.7 Ohm ±1% thin film chip resistor in 0805 (2012 Metric) package rated at 0.1W (1/10W) power dissipation. Manufactured by YAGEO, this component is classified as obsolete product status. Due to its obsolete designation, equivalent and substitute parts from active manufacturers are necessary for new designs and ongoing production requirements. Substitute parts maintain the same resistance value, package footprint, and core electrical characteristics while offering improved availability and extended product lifecycles.

Key Parameters

Parameter	Value
Resistance	4.7 Ohms
Tolerance	±1%
Power Rating	0.1W (1/10W)
Package / Case	0805 (2012 Metric)
Composition	Thin Film
Operating Temperature Range	-55°C ~ 125°C
Temperature Coefficient	±50ppm/°C
Moisture Sensitivity Level (MSL)	1 (Unlimited)
Size / Dimension	0.079" L x 0.049" W (2.00mm x 1.25mm)
Height - Seated (Max)	0.026" (0.65mm)

Substitute Part Grouping Explanation

Substitution eligibility for the RJ0805FRE074R7L is determined by the following mandatory parameters:

Resistance Value: Must be 4.7 Ohms
Package / Case: Must be 0805 (2012 Metric)
Physical Dimensions: Must match 0.079" L x 0.049" W (2.00mm x 1.25mm)
Composition: Thin film construction
Moisture Sensitivity Level: MSL 1 (Unlimited)
Number of Terminations: 2-terminal configuration

Substitute parts are grouped into two categories based on electrical performance enhancements:

Category 1 - Direct Equivalents (Tolerance ±1%, Power ≥ 0.1W): Parts maintaining the original ±1% tolerance specification with equal or higher power ratings. These provide direct functional replacement with identical electrical performance characteristics.

Category 2 - Enhanced Performance Substitutes (Tolerance ≤ ±0.1%, Power ≥ 0.1W): Parts offering improved tolerance specifications (±0.1% or better) while maintaining or exceeding the original power rating. These provide superior accuracy for precision applications.

Category 3 - Manufacturer Recommended Alternatives (Specialized Features): Parts recommended by original manufacturers with enhanced power ratings or specialized features such as current sensing or automotive qualification (AEC-Q200).

Parameter Comparison

Part Number	Manufacturer	Resistance	Tolerance	Power (W)	Temp Coeff (ppm/°C)	Op Temp Range	Product Status	RoHS Status
RJ0805FRE074R7L	YAGEO	4.7 Ω	±1%	0.1	±50	-55°C ~ 125°C	Obsolete	-
RT0805FRE074R7L	YAGEO	4.7 Ω	±1%	0.125	±50	-55°C ~ 155°C	Active	ROHS3 Compliant
CAR0805-4R7B1	Riedon	4.7 Ω	±0.1%	0.1	±25	-55°C ~ 155°C	Active	ROHS3 Compliant
CPF0805B4R7E1	TE Connectivity Passive Product	4.7 Ω	±0.1%	0.1	±25	-55°C ~ 155°C	Active	ROHS3 Compliant
RN73C2A4R7BTDF	TE Connectivity Passive Product	4.7 Ω	±0.1%	0.1	±10	-55°C ~ 155°C	Active	ROHS3 Compliant
RL1220S-4R7-F	Susumu	4.7 Ω	±1%	0.333	0 / +200	-55°C ~ 125°C	Active	ROHS3 Compliant
RNCF0805BTC4R70	Stackpole Electronics Inc	4.7 Ω	±0.1%	0.25	±50	-55°C ~ 155°C	Active	ROHS3 Compliant
RNCF0805DTC4R70	Stackpole Electronics Inc	4.7 Ω	±0.5%	0.25	±50	-55°C ~ 155°C	Active	ROHS3 Compliant

Engineering Selection Recommendations

For Direct Replacement (Identical Electrical Performance)

RT0805FRE074R7L from YAGEO provides the most direct substitution path. It maintains ±1% tolerance and 0.1W power rating identical to the original RJ0805FRE074R7L while offering active product status, ROHS3 compliance, and extended operating temperature range to 155°C. This part is recommended as the primary replacement for existing designs.

For Precision Applications (Enhanced Tolerance)

CAR0805-4R7B1 (Riedon), CPF0805B4R7E1 (TE Connectivity), and RN73C2A4R7BTDF (TE Connectivity) all provide ±0.1% tolerance with 0.1W power rating. These parts are suitable for applications requiring tighter resistance tolerances. RN73C2A4R7BTDF offers the lowest temperature coefficient at ±10ppm/°C, making it optimal for temperature-sensitive circuits. All three are ROHS3 compliant with active product status.

For High-Power Applications

RL1220S-4R7-F (Susumu) provides 0.333W power rating with current sensing capability, suitable for applications requiring higher power dissipation. RNCF0805BTC4R70 and RNCF0805DTC4R70 (Stackpole Electronics) offer 0.25W power rating with AEC-Q200 automotive qualification, appropriate for automotive and harsh environment applications.

All substitute parts maintain 0805 package compatibility, MSL 1 rating, and REACH compliance status. Selection should be based on specific application requirements for tolerance, power dissipation, temperature coefficient, and environmental certifications.

Frequently Asked Questions (FAQ)

Q: Can RT0805FRE074R7L be used as a direct replacement for RJ0805FRE074R7L?

A: Yes. Both parts share identical resistance (4.7 Ohms), tolerance (±1%), power rating (0.1W minimum), package (0805), and physical dimensions. RT0805FRE074R7L offers improved product status (Active vs. Obsolete) and extended operating temperature range (-55°C to 155°C vs. -55°C to 125°C).

Q: What is the difference between ±1% and ±0.1% tolerance parts?

A: Tolerance specifies the maximum deviation from the nominal resistance value. ±1% tolerance allows up to ±0.047 Ohms deviation from 4.7 Ohms. ±0.1% tolerance restricts deviation to ±0.0047 Ohms. Enhanced tolerance parts (±0.1%) are required for precision circuits where resistance accuracy directly affects circuit performance.

Q: Are all substitute parts ROHS3 compliant?

A: All listed substitute parts are ROHS3 compliant. The original RJ0805FRE074R7L does not specify RoHS status due to its obsolete classification.

Q: Can I use higher power-rated parts as substitutes?

A: Yes. Parts with higher power ratings (0.125W, 0.25W, 0.333W) are electrically compatible substitutes. Higher power ratings provide additional thermal margin and do not negatively impact circuit function. Physical dimensions remain identical within the 0805 package specification.

Q: What is the significance of temperature coefficient in resistor selection?

A: Temperature coefficient indicates resistance change per degree Celsius. Lower values (±10ppm/°C vs. ±50ppm/°C) mean better resistance stability across temperature variations. Applications operating across wide temperature ranges benefit from lower temperature coefficients.

Q: Are AEC-Q200 qualified parts suitable for non-automotive applications?

A: Yes. AEC-Q200 qualification indicates automotive-grade reliability and environmental stress testing. These parts exceed standard industrial specifications and are suitable for any application requiring enhanced reliability.

Q: Do all substitute parts fit the same PCB footprint?

A: Yes. All parts maintain 0805 (2012 Metric) package specification with identical land pattern dimensions (0.079" L x 1.25mm W). Height variations (0.020" to 0.026") are within standard PCB assembly tolerances and do not affect placement or soldering.

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