PCR0805-4R7J1 Equivalent & Substitute Parts

Part Overview

The PCR0805-4R7J1 is a 4.7 Ohm ±5% 0.25W thick film chip resistor in 0805 (2012 Metric) package manufactured by Riedon. This component is classified as Active product status and is RoHS3 compliant with MSL 1 rating. Substitute parts are identified when equivalent electrical specifications and mechanical compatibility are maintained across the 0805 package form factor, allowing for direct board-level replacement in applications where the core resistance, tolerance, and power rating parameters align.

Key Parameters

Parameter	Value
Resistance	4.7 Ohms
Tolerance	±5%
Power Rating	0.25W (1/4W)
Package / Case	0805 (2012 Metric)
Composition	Thick Film
Temperature Coefficient	±200ppm/°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 PCR0805-4R7J1 are categorized based on the following substitution criteria:

Direct Equivalent (Same Electrical Specifications):

Resistance: 4.7 Ohms
Tolerance: ±5%
Power Rating: 0.25W (1/4W)
Package: 0805 (2012 Metric)
Temperature Coefficient: ±200ppm/°C
Operating Temperature: -55°C ~ 155°C

The part RPC0805JT4R70 (Stackpole Electronics Inc) meets all direct equivalency criteria with identical electrical and mechanical parameters.

Upgraded Specifications (Enhanced Performance Parameters): Substitute parts with improved tolerance, higher power ratings, or enhanced temperature coefficients are classified as upgrades. These parts maintain the 4.7 Ohm resistance value and 0805 package but offer superior performance characteristics:

SR0805FR-7W4R7L (YAGEO): ±1% tolerance, 0.25W power rating, ±200ppm/°C
ESR10EZPF4R70 (Rohm Semiconductor): ±1% tolerance, 0.4W power rating, ±100ppm/°C
ESR10EZPJ4R7 (Rohm Semiconductor): ±5% tolerance, 0.4W power rating, ±200ppm/°C
CRCW08054R70JNEAHP (Vishay Dale): ±5% tolerance, 0.5W power rating, ±200ppm/°C
RCS08054R70JNEA (Vishay Dale): ±5% tolerance, 0.5W power rating, ±200ppm/°C

All substitute parts maintain the 0805 package form factor, thick film composition, and -55°C ~ 155°C operating temperature range.

Parameter Comparison

Manufacturer Part Number	Manufacturer	Resistance	Tolerance	Power (Watts)	Temp Coeff	Package	AEC-Q200	RoHS3
PCR0805-4R7J1	Riedon	4.7 Ω	±5%	0.25W	±200ppm/°C	0805	No	Yes
RPC0805JT4R70	Stackpole Electronics Inc	4.7 Ω	±5%	0.25W	±200ppm/°C	0805	Yes	Yes
SR0805FR-7W4R7L	YAGEO	4.7 Ω	±1%	0.25W	±200ppm/°C	0805	Yes	Yes
ESR10EZPF4R70	Rohm Semiconductor	4.7 Ω	±1%	0.4W	±100ppm/°C	0805	Yes	Yes
ESR10EZPJ4R7	Rohm Semiconductor	4.7 Ω	±5%	0.4W	±200ppm/°C	0805	Yes	Yes
CRCW08054R70JNEAHP	Vishay Dale	4.7 Ω	±5%	0.5W	±200ppm/°C	0805	Yes	Yes
RCS08054R70JNEA	Vishay Dale	4.7 Ω	±5%	0.5W	±200ppm/°C	0805	Yes	Yes

Engineering Selection Recommendations

Direct Replacement (No Design Changes Required): RPC0805JT4R70 provides direct substitution with identical electrical and mechanical specifications. This part carries AEC-Q200 automotive qualification, which exceeds the base PCR0805-4R7J1 compliance profile while maintaining full compatibility.

Upgraded Substitution (Enhanced Reliability): Parts with higher power ratings (0.4W or 0.5W) or improved tolerance (±1%) are suitable for applications requiring enhanced thermal margin or tighter resistance accuracy. These upgrades do not compromise compatibility and provide performance headroom:

ESR10EZPF4R70 and ESR10EZPJ4R7 offer 0.4W power rating with AEC-Q200 qualification
CRCW08054R70JNEAHP and RCS08054R70JNEA provide 0.5W power rating with AEC-Q200 qualification
SR0805FR-7W4R7L delivers ±1% tolerance with AEC-Q200 qualification

All substitute parts maintain RoHS3 compliance, MSL 1 rating, and -55°C ~ 155°C operating temperature range. Selection between direct and upgraded options depends on application thermal requirements and tolerance specifications.

Frequently Asked Questions (FAQ)

Q: Can RPC0805JT4R70 replace PCR0805-4R7J1 without design modifications? A: Yes. RPC0805JT4R70 is a direct equivalent with identical 4.7 Ohm resistance, ±5% tolerance, 0.25W power rating, and 0805 package. Both parts share the same operating temperature range (-55°C ~ 155°C) and RoHS3 compliance. The primary difference is AEC-Q200 automotive qualification on the Stackpole part, which provides additional reliability assurance.

Q: What is the difference between direct equivalents and upgraded substitutes? A: Direct equivalents maintain all electrical and mechanical specifications of the original part. Upgraded substitutes improve one or more parameters such as tolerance (±1% vs ±5%), power rating (0.4W or 0.5W vs 0.25W), or temperature coefficient (±100ppm/°C vs ±200ppm/°C). Upgrades are backward-compatible and do not require circuit redesign.

Q: Are all substitute parts qualified to AEC-Q200? A: RPC0805JT4R70, SR0805FR-7W4R7L, ESR10EZPF4R70, ESR10EZPJ4R7, CRCW08054R70JNEAHP, and RCS08054R70JNEA all carry AEC-Q200 automotive qualification. The original PCR0805-4R7J1 does not list AEC-Q200 qualification.

Q: Does package form factor remain consistent across all substitutes? A: Yes. All substitute parts use the 0805 (2012 Metric) package with identical footprint dimensions (0.079" L x 0.049" W / 2.00mm x 1.25mm). Height variations are minimal (0.020" to 0.026" seated height), which does not affect PCB assembly compatibility.

Q: What is the MSL rating for substitute parts? A: All substitute parts maintain MSL 1 (Unlimited) moisture sensitivity level, matching the original PCR0805-4R7J1 specification.

Q: Can I use a 0.5W rated part in place of a 0.25W part? A: Yes. Higher power-rated parts (0.5W) are suitable replacements for 0.25W applications. The higher power rating provides thermal margin and does not degrade circuit performance. Physical dimensions remain compatible with the 0805 package footprint.

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