AF0805JR-074R7L Equivalent & Substitute Parts

Part Overview

The AF0805JR-074R7L is a 4.7 Ohm ±5% 0.125W (1/8W) thick film chip resistor in 0805 (2012 Metric) surface mount package manufactured by YAGEO. This component is rated for automotive applications under AEC-Q200 and features anti-sulfur construction. The part is active in production with 1,016 units currently in stock. Equivalent and substitute parts are identified to support design flexibility, supply chain continuity, and application-specific performance requirements.

Key Parameters

Parameter	Value
Resistance	4.7 Ohms
Tolerance	±5%
Power Rating	0.125W (1/8W)
Package	0805 (2012 Metric)
Composition	Thick Film
Temperature Coefficient	±200ppm/°C
Operating Temperature Range	-55°C to 155°C
Automotive Rating	AEC-Q200
RoHS Status	ROHS3 Compliant
Moisture Sensitivity Level	1 (Unlimited)

Substitute Part Grouping Explanation

Substitution eligibility is determined by the following criteria:

Primary Substitutes (Direct Equivalents): Parts with identical resistance (4.7 Ohms), tolerance (±5%), power rating (0.125W), package (0805), composition (thick film), and automotive AEC-Q200 rating. These parts are functionally interchangeable with AF0805JR-074R7L.

Secondary Substitutes (Tolerance Upgrade): Parts with identical resistance, package, power rating, and composition, but with tighter tolerance (±1% instead of ±5%). These provide improved accuracy while maintaining all other electrical and mechanical specifications.

Tertiary Substitutes (Power Rating Upgrade): Parts with identical resistance, tolerance, package, and composition, but with higher power ratings (0.25W or 0.4W). These provide enhanced thermal performance in the same package footprint.

Cross-Manufacturer Substitutes: Parts from alternative manufacturers (Vishay Dale, Rohm Semiconductor) meeting the same electrical and mechanical specifications as the primary category.

Parameter Comparison

Part Number	Manufacturer	Resistance	Tolerance	Power (W)	Temp Coeff (ppm/°C)	AEC-Q200	Packaging	Inventory
AF0805JR-074R7L	YAGEO	4.7 Ω	±5%	0.125	±200	Yes	Tape & Reel	1,016
AC0805FR-074R7L	YAGEO	4.7 Ω	±1%	0.125	±200	Yes	Tape & Reel	19,333
AC0805JR-074R7L	YAGEO	4.7 Ω	±5%	0.125	±200	Yes	Tape & Reel	10,951
RC0805FR-074R7L	YAGEO	4.7 Ω	±1%	0.125	±200	No	Cut Tape & Digi-Reel	2,400
RC0805JR-074R7L	YAGEO	4.7 Ω	±5%	0.125	±200	No	Cut Tape & Digi-Reel	286,358
SR0805FR-7W4R7L	YAGEO	4.7 Ω	±1%	0.25	±200	Yes	Tape & Reel	2,308
SR0805JR-074R7L	YAGEO	4.7 Ω	±5%	0.125	±200	Yes	Tape & Reel	14,377
CRCW08054R70FNEA	Vishay Dale	4.7 Ω	±1%	0.125	±200	Yes	Cut Tape & Digi-Reel	20,796
CRCW08054R70JNEA	Vishay Dale	4.7 Ω	±5%	0.125	±200	Yes	Tape & Reel	35,780
CRCW08054R70JNEAHP	Vishay Dale	4.7 Ω	±5%	0.5	±200	Yes	Tape & Reel	5,300
ESR10EZPF4R70	Rohm Semiconductor	4.7 Ω	±1%	0.4	±100	Yes	Tape & Reel	49,397

Engineering Selection Recommendations

Direct Substitution (Same Specifications): AC0805JR-074R7L and SR0805JR-074R7L are direct functional equivalents to AF0805JR-074R7L. Both maintain ±5% tolerance, 0.125W power rating, and AEC-Q200 automotive qualification. AC0805JR-074R7L offers higher inventory availability (10,951 units) and moisture-resistant construction. SR0805JR-074R7L provides pulse-withstanding capability with equivalent inventory (14,377 units).

Tolerance Upgrade Substitutes: AC0805FR-074R7L, RC0805FR-074R7L, and CRCW08054R70FNEA provide ±1% tolerance while maintaining all other electrical and mechanical parameters. These are suitable when tighter resistance accuracy is required. AC0805FR-074R7L has the highest inventory (19,333 units) and AEC-Q200 rating.

Power Rating Upgrade Substitutes: SR0805FR-7W4R7L (0.25W) and CRCW08054R70JNEAHP (0.5W) maintain the same resistance and tolerance but provide enhanced thermal dissipation capability. ESR10EZPF4R70 offers 0.4W rating with ±1% tolerance and improved temperature coefficient (±100ppm/°C) with highest inventory availability (49,397 units).

Cross-Manufacturer Options: Vishay Dale CRCW series and Rohm Semiconductor ESR series provide equivalent specifications with different packaging options. CRCW08054R70JNEA (Vishay, ±5%, 0.125W) has the largest inventory (35,780 units) among all substitutes.

Packaging Considerations: AF0805JR-074R7L is supplied in Tape & Reel format. RC0805 series and CRCW08054R70FNEA are available in Cut Tape & Digi-Reel packaging, suitable for lower-volume applications or mixed component orders.

Frequently Asked Questions (FAQ)

Q: Can AC0805JR-074R7L replace AF0805JR-074R7L directly? A: Yes. Both parts have identical resistance (4.7 Ohms), tolerance (±5%), power rating (0.125W), package (0805), and AEC-Q200 automotive rating. The primary difference is the series designation (AC vs. AF) and moisture-resistant feature in the AC series.

Q: What is the difference between ±5% and ±1% tolerance parts? A: Tolerance defines the maximum deviation from the nominal resistance value. ±5% tolerance allows ±0.235 Ohms deviation from 4.7 Ohms, while ±1% tolerance allows ±0.047 Ohms deviation. Applications requiring tighter resistance accuracy should use ±1% parts.

Q: Can I use a 0.25W or 0.5W rated resistor instead of 0.125W? A: Yes. Higher power-rated resistors in the same package can replace lower-rated parts. This provides additional thermal margin and pulse-withstanding capability. Physical dimensions remain identical (0805 package), so PCB layout compatibility is maintained.

Q: Are all substitute parts AEC-Q200 qualified? A: No. RC0805 series parts (RC0805FR-074R7L and RC0805JR-074R7L) do not carry AEC-Q200 rating. For automotive applications requiring AEC-Q200 compliance, use AC, SR, CRCW, or ESR series parts.

Q: What is the difference between Tape & Reel and Cut Tape & Digi-Reel packaging? A: Tape & Reel packaging is optimized for high-volume automated assembly. Cut Tape & Digi-Reel packaging is suitable for lower-volume orders or mixed component procurement. Both formats contain the same component; packaging format does not affect electrical performance.

Q: Why does ESR10EZPF4R70 have ±100ppm/°C temperature coefficient instead of ±200ppm/°C? A: ESR10EZPF4R70 is manufactured by Rohm Semiconductor with improved temperature stability characteristics. The lower temperature coefficient (±100ppm/°C vs. ±200ppm/°C) indicates better resistance stability across the operating temperature range (-55°C to 155°C).

Q: Can I substitute a non-AEC-Q200 part in an automotive design? A: No. Automotive applications requiring AEC-Q200 compliance must use parts with explicit AEC-Q200 rating. RC0805 series parts lack this certification and are not suitable for automotive use cases.

Q: Are all parts ROHS3 compliant? A: Yes. All listed substitute parts are ROHS3 compliant and have Moisture Sensitivity Level 1 (Unlimited), indicating no special moisture handling requirements during storage or assembly.

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