ERJ-S08F8660V Equivalent & Substitute Parts

Part Overview

The ERJ-S08F8660V is a 866 Ohm ±1% 0.25W thick film chip resistor in 1206 (3216 Metric) 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 in active production status with 894 pieces available in stock.

Substitute parts become necessary when the primary part reaches end-of-life, experiences supply constraints, or when design flexibility is required across multiple qualified suppliers while maintaining identical electrical and mechanical performance.

Key Parameters

Parameter	Value
Resistance	866 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 ~ 155°C
Automotive Rating	AEC-Q200
RoHS Status	ROHS3 Compliant
Moisture Sensitivity Level	1 (Unlimited)

Substitute Part Grouping Explanation

Substitution eligibility for the ERJ-S08F8660V is determined by strict equivalence across the following critical parameters:

Resistance value: 866 Ohms
Tolerance: ±1%
Power rating: 0.25W (1/4W)
Package: 1206 (3216 Metric)
Composition: Thick Film
Temperature coefficient: ±100ppm/°C
Operating temperature range: -55°C ~ 155°C
RoHS3 compliance
MSL rating: 1 (Unlimited)

All identified substitute parts meet these electrical and mechanical requirements. Automotive AEC-Q200 qualification is present on the main part and most substitutes, though this is not a mandatory substitution criterion for non-automotive applications. Dimensional variations within the 1206 package specification (length 0.122" to 0.126", height 0.024" to 0.028") remain within standard PCB assembly tolerances and do not affect interchangeability.

Parameter Comparison

Part Number	Manufacturer	Resistance	Tolerance	Power	Package	Temp Coeff	Op Temp Range	AEC-Q200	RoHS3	MSL	Status	Stock
ERJ-S08F8660V	Panasonic	866Ω	±1%	0.25W	1206	±100ppm/°C	-55~155°C	Yes	Yes	1	Active	894
ERJ-8ENF8660V	Panasonic	866Ω	±1%	0.25W	1206	±100ppm/°C	-55~155°C	Yes	Yes	1	Not For New Designs	60309
AC1206FR-07866RL	YAGEO	866Ω	±1%	0.25W	1206	±100ppm/°C	-55~155°C	Yes	Yes	1	Active	1097
CRCW1206866RFKEA	Vishay Dale	866Ω	±1%	0.25W	1206	±100ppm/°C	-55~155°C	Yes	Yes	1	Active	4783
RC1206FR-07866RL	YAGEO	866Ω	±1%	0.25W	1206	±100ppm/°C	-55~155°C	No	Yes	1	Active	5300
RMCF1206FT866R	Stackpole Electronics	866Ω	±1%	0.25W	1206	±100ppm/°C	-55~155°C	Yes	Yes	1	Active	54431

Engineering Selection Recommendations

For applications requiring automotive AEC-Q200 qualification, select from: CRCW1206866RFKEA (Vishay Dale), AC1206FR-07866RL (YAGEO), or RMCF1206FT866R (Stackpole Electronics). All three are in active production status with full AEC-Q200 compliance.

For general industrial applications where AEC-Q200 is not mandatory, RC1206FR-07866RL (YAGEO) provides an active-status alternative with moisture-resistant thick film composition and equivalent electrical performance.

ERJ-8ENF8660V (Panasonic) is electrically and mechanically equivalent but carries "Not For New Designs" status, making it suitable only for legacy system maintenance or replacement scenarios where the original part number must be maintained.

All substitute parts maintain ROHS3 compliance, MSL rating 1, and identical operating temperature range (-55°C to 155°C), ensuring direct functional interchangeability within the specified electrical parameters.

Frequently Asked Questions (FAQ)

Q: Can ERJ-S08F8660V be replaced with RC1206FR-07866RL in automotive applications?

A: RC1206FR-07866RL lacks AEC-Q200 qualification. For automotive applications requiring AEC-Q200 compliance, use CRCW1206866RFKEA, AC1206FR-07866RL, or RMCF1206FT866R instead.

Q: Are there dimensional differences between substitute parts?

A: Minor dimensional variations exist within 1206 package specification. Length ranges from 0.122" to 0.126" and height from 0.024" to 0.028". These variations remain within standard PCB assembly tolerances and do not affect interchangeability or performance.

Q: Why is ERJ-8ENF8660V marked "Not For New Designs"?

A: This designation indicates the part is in mature/legacy phase. While electrically and mechanically equivalent, it should not be selected for new designs. Use active-status alternatives: CRCW1206866RFKEA, AC1206FR-07866RL, or RMCF1206FT866R.

Q: Do all substitutes have identical electrical performance?

A: Yes. All substitute parts share identical resistance (866Ω), tolerance (±1%), power rating (0.25W), temperature coefficient (±100ppm/°C), and operating range (-55°C to 155°C). Electrical performance is equivalent across all qualified substitutes.

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

A: Anti-sulfur coating (ERJ-S08F8660V) protects against sulfur-containing atmospheric corrosion. Moisture-resistant coating (AC1206FR-07866RL, RC1206FR-07866RL) protects against humidity ingress. Both provide environmental protection; selection depends on application environment. For automotive use, AEC-Q200 qualified parts (which include appropriate environmental protection) are recommended.

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