ERJ-S08F27R4V Equivalent & Substitute Parts

Part Overview

The ERJ-S08F27R4V is a 27.4 Ohm ±1% 0.25W thick film chip resistor in 1206 package manufactured by Panasonic Electronic Components. This part features anti-sulfur coating and automotive AEC-Q200 qualification, designed for high-reliability applications in automotive and industrial environments. The part is currently active in production with 624 units in stock.

Equivalent and substitute parts are necessary when the primary part becomes unavailable, when design requirements shift between automotive and general-purpose applications, or when alternative manufacturers' components offer equivalent electrical and mechanical performance within the same package specification.

Key Parameters

Parameter	Value
Resistance	27.4 Ohms
Tolerance	±1%
Power Rating	0.25W (1/4W)
Package / Case	1206 (3216 Metric)
Composition	Thick Film
Temperature Coefficient	±100ppm/°C
Operating Temperature Range	-55°C to 155°C
Moisture Sensitivity Level	MSL 1 (Unlimited)
RoHS Status	ROHS3 Compliant

Substitute Part Grouping Explanation

Substitution eligibility for the ERJ-S08F27R4V is determined by strict equivalence across the following parameters:

Resistance value: 27.4 Ohms
Tolerance: ±1%
Power rating: 0.25W
Package: 1206 (3216 Metric)
Composition: Thick Film
Temperature coefficient: ±100ppm/°C
Operating temperature range: -55°C to 155°C
Moisture sensitivity: MSL 1
RoHS compliance: ROHS3

All substitute parts listed meet these core electrical and mechanical requirements. Differences in features (such as anti-sulfur coating versus moisture resistance) and product status do not affect functional substitutability within the specified parameter envelope.

Parameter Comparison

Manufacturer Part Number	Manufacturer	Resistance	Tolerance	Power (W)	Package	Temp Coeff	Op. Temp Range	Features	Product Status	Stock (Pcs)
ERJ-S08F27R4V	Panasonic	27.4 Ω	±1%	0.25	1206	±100ppm/°C	-55 to 155°C	Anti-Sulfur, AEC-Q200	Active	624
ERJ-8ENF27R4V	Panasonic	27.4 Ω	±1%	0.25	1206	±100ppm/°C	-55 to 155°C	AEC-Q200	Not For New Designs	223904
CR1206-FX-27R4ELF	Bourns Inc.	27.4 Ω	±1%	0.25	1206	±100ppm/°C	-55 to 155°C	Moisture Resistant	Active	25565
CRCW120627R4FKEA	Vishay Dale	27.4 Ω	±1%	0.25	1206	±100ppm/°C	-55 to 155°C	AEC-Q200	Active	37344
RC1206FR-0727R4L	YAGEO	27.4 Ω	±1%	0.25	1206	±100ppm/°C	-55 to 155°C	Moisture Resistant	Active	24073
RMCF1206FT27R4	Stackpole Electronics	27.4 Ω	±1%	0.25	1206	±100ppm/°C	-55 to 155°C	AEC-Q200	Active	16756

Engineering Selection Recommendations

For new designs, select from parts with Active product status: CR1206-FX-27R4ELF (Bourns), CRCW120627R4FKEA (Vishay Dale), RC1206FR-0727R4L (YAGEO), or RMCF1206FT27R4 (Stackpole Electronics).

For automotive applications requiring AEC-Q200 qualification, the following parts are suitable: CRCW120627R4FKEA (Vishay Dale), RMCF1206FT27R4 (Stackpole Electronics), and the primary part ERJ-S08F27R4V (Panasonic).

The ERJ-8ENF27R4V (Panasonic) carries a "Not For New Designs" status and should be used only for legacy design maintenance or replacement scenarios where continuity with existing production is required.

All substitute parts maintain ROHS3 compliance and MSL 1 moisture sensitivity rating, ensuring compatibility with standard PCB assembly and storage conditions.

Frequently Asked Questions (FAQ)

Q: Can ERJ-8ENF27R4V be used as a direct replacement for ERJ-S08F27R4V?

A: Yes. Both parts share identical electrical specifications (27.4 Ω, ±1%, 0.25W, 1206 package, ±100ppm/°C, -55 to 155°C). The ERJ-8ENF27R4V is marked "Not For New Designs," indicating it is a legacy part. Use it only for replacement in existing production or legacy designs.

Q: What is the difference between anti-sulfur and moisture-resistant features?

A: Anti-sulfur coating protects against sulfur contamination in automotive environments. Moisture-resistant construction protects against humidity ingress. Both are protective features; the choice depends on the specific environmental exposure of the application. All listed parts meet MSL 1 requirements.

Q: Are all substitute parts suitable for automotive applications?

A: Parts with AEC-Q200 qualification (ERJ-S08F27R4V, ERJ-8ENF27R4V, CRCW120627R4FKEA, RMCF1206FT27R4) are qualified for automotive use. CR1206-FX-27R4ELF and RC1206FR-0727R4L do not carry AEC-Q200 ratings and are suitable for general industrial and consumer applications.

Q: Do physical dimensions vary between substitute parts?

A: All parts conform to 1206 (3216 Metric) package specification. Minor variations in seated height exist (0.024" to 0.030" maximum), which do not affect PCB assembly compatibility or electrical performance.

Q: Are all parts RoHS3 compliant?

A: Yes. All listed parts carry ROHS3 compliance certification and are suitable for applications requiring RoHS compliance.

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