ERJ-S06F1801V Equivalent & Substitute Parts

Part Overview

The ERJ-S06F1801V is a 1.8 kOhms ±1% 0.125W (1/8W) chip resistor in 0805 (2012 Metric) package manufactured by Panasonic Electronic Components. This thick film resistor features anti-sulfur coating and automotive AEC-Q200 qualification, designed for applications requiring reliability in harsh environments. The part is currently active in production with 929 pieces in stock. Equivalent and substitute parts are identified to support design flexibility, supply chain continuity, and application-specific requirements such as increased power rating or alternative packaging formats.

Key Parameters

Parameter	Value
Resistance	1.8 kOhms
Tolerance	±1%
Power Rating	0.125W (1/8W)
Package / Case	0805 (2012 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

Substitute parts are grouped into three categories based on allowed electrical and mechanical parameters:

Upgrade Category (Higher Power Rating): Parts with identical resistance, tolerance, temperature coefficient, and operating temperature range, but increased power rating (0.5W / 1/2W instead of 0.125W / 1/8W). These are direct functional upgrades suitable for applications requiring higher power dissipation capability while maintaining the same 0805 package footprint.

Direct Equivalent Category (Identical Specifications): Parts with matching resistance, tolerance, power rating, temperature coefficient, operating temperature range, and 0805 package from different manufacturers. These maintain identical electrical and mechanical characteristics and differ only in manufacturer, series designation, or packaging format (Tape & Reel vs. Cut Tape).

Similar Category (Packaging Format Variation): Parts with identical electrical specifications but different packaging delivery methods (Cut Tape & Digi-Reel® instead of Tape & Reel), or minor physical dimension variations within acceptable tolerance. These are functionally equivalent for PCB assembly but may differ in handling and storage requirements.

Key parameters determining substitution eligibility:

Resistance value: 1.8 kOhms (fixed)
Tolerance: ±1% (fixed)
Package: 0805 (2012 Metric) (fixed)
Temperature Coefficient: ±100ppm/°C (fixed)
Operating Temperature: -55°C ~ 155°C (fixed)
Composition: Thick Film (fixed)
Power Rating: 0.125W or 0.5W (variable for upgrades)
Packaging Format: Tape & Reel or Cut Tape & Digi-Reel® (variable)

Parameter Comparison

Manufacturer Part Number	Manufacturer	Resistance	Tolerance	Power (W)	Package	Temp Coeff	Op Temp (°C)	AEC-Q200	Packaging Format	Product Status
ERJ-S06F1801V	Panasonic	1.8k	±1%	0.125	0805	±100ppm/°C	-55 ~ 155	Yes	Tape & Reel	Active
ERJ-UP6F1801V	Panasonic	1.8k	±1%	0.5	0805	±100ppm/°C	-55 ~ 155	Yes	Tape & Reel	Active
ERJ-6ENF1801V	Panasonic	1.8k	±1%	0.125	0805	±100ppm/°C	-55 ~ 155	Yes	Cut Tape & Digi-Reel®	Active
CRG0805F1K8	TE Connectivity	1.8k	±1%	0.125	0805	±100ppm/°C	-55 ~ 155	No	Tape & Reel	Active
AC0805FR-071K8L	YAGEO	1.8k	±1%	0.125	0805	±100ppm/°C	-55 ~ 155	Yes	Tape & Reel	Active
CR0805-FX-1801ELF	Bourns Inc.	1.8k	±1%	0.125	0805	±100ppm/°C	-55 ~ 155	No	Tape & Reel	Active
CRCW08051K80FKEA	Vishay Dale	1.8k	±1%	0.125	0805	±100ppm/°C	-55 ~ 155	Yes	Cut Tape & Digi-Reel®	Active
CRCW08051K80FKEAHP	Vishay Dale	1.8k	±1%	0.5	0805	±100ppm/°C	-55 ~ 155	Yes	Tape & Reel	Active
CRCW08051K80FKEB	Vishay Dale	1.8k	±1%	0.125	0805	±100ppm/°C	-55 ~ 155	Yes	Tape & Reel	Discontinued
RC0805FR-071K8L	YAGEO	1.8k	±1%	0.125	0805	±100ppm/°C	-55 ~ 155	No	Cut Tape & Digi-Reel®	Active
RCS08051K80FKEA	Vishay Dale	1.8k	±1%	0.5	0805	±100ppm/°C	-55 ~ 155	Yes	Tape & Reel	Active

Engineering Selection Recommendations

For Automotive AEC-Q200 Applications: Select from parts with confirmed AEC-Q200 rating: ERJ-UP6F1801V, AC0805FR-071K8L, CRCW08051K80FKEAHP, CRCW08051K80FKEB, or RCS08051K80FKEA. The ERJ-S06F1801V main part includes anti-sulfur coating; equivalent AEC-Q200 parts from YAGEO (AC0805FR-071K8L) and Vishay Dale (CRCW series) provide comparable automotive qualification.

For Non-Automotive Applications: CRG0805F1K8 (TE Connectivity), CR0805-FX-1801ELF (Bourns), and RC0805FR-071K8L (YAGEO) are suitable alternatives without AEC-Q200 requirement, offering cost optimization while maintaining electrical specifications.

For Increased Power Dissipation: ERJ-UP6F1801V, CRCW08051K80FKEAHP, and RCS08051K80FKEA provide 0.5W (1/2W) rating with pulse withstanding capability, maintaining identical resistance and tolerance while accommodating higher thermal loads.

For Packaging Format Flexibility: ERJ-6ENF1801V, CRCW08051K80FKEA, and RC0805FR-071K8L offer Cut Tape & Digi-Reel® packaging as alternatives to Tape & Reel format, suitable for lower-volume or mixed-component assembly scenarios.

For Supply Chain Continuity: CRCW08051K80FKEB is discontinued at DiGi Electronics; active alternatives with identical specifications include CRCW08051K80FKEA (same manufacturer, Cut Tape format) or CRCW08051K80FKEAHP (same manufacturer, higher power rating).

Frequently Asked Questions (FAQ)

Q: Can ERJ-UP6F1801V replace ERJ-S06F1801V in my design? A: Yes. ERJ-UP6F1801V is a direct upgrade with identical resistance (1.8 kOhms), tolerance (±1%), temperature coefficient (±100ppm/°C), operating temperature range (-55°C ~ 155°C), and 0805 package. The only difference is increased power rating (0.5W vs. 0.125W), which is a functional improvement. Both parts are Panasonic, AEC-Q200 qualified, and ROHS3 compliant.

Q: What is the difference between Tape & Reel and Cut Tape & Digi-Reel® packaging? A: Tape & Reel packaging delivers components on continuous carrier tape suitable for automated pick-and-place assembly. Cut Tape & Digi-Reel® provides the same components but in shorter tape segments or alternative reel formats, typically for lower-volume production or mixed-component orders. Electrical and mechanical specifications remain identical.

Q: Is CRG0805F1K8 suitable for automotive applications? A: CRG0805F1K8 meets the electrical specifications of ERJ-S06F1801V but lacks AEC-Q200 automotive qualification. For automotive applications, select AEC-Q200 qualified alternatives such as AC0805FR-071K8L, CRCW08051K80FKEA, or CRCW08051K80FKEB.

Q: Why would I choose a 0.5W resistor over the 0.125W original? A: Higher power rating provides thermal margin in applications with elevated ambient temperatures or higher current density. ERJ-UP6F1801V, CRCW08051K80FKEAHP, and RCS08051K80FKEA offer pulse withstanding capability, beneficial for circuits experiencing transient current spikes or repetitive thermal cycling.

Q: Are all substitute parts ROHS3 compliant? A: Yes. All listed substitute parts are ROHS3 compliant with Moisture Sensitivity Level 1 (Unlimited), matching the environmental compliance of the main part ERJ-S06F1801V.

Q: What is the significance of anti-sulfur coating on ERJ-S06F1801V? A: Anti-sulfur coating protects the resistor from corrosion in environments with hydrogen sulfide exposure. Equivalent parts without explicit anti-sulfur designation (such as CRG0805F1K8 or CR0805-FX-1801ELF) may require environmental assessment for applications in corrosive atmospheres. AEC-Q200 qualified parts from YAGEO and Vishay Dale provide moisture resistance as an alternative protective feature.

Q: Can I use CRCW08051K80FKEB if it is discontinued? A: CRCW08051K80FKEB is discontinued at DiGi Electronics but remains functionally equivalent to ERJ-S06F1801V. For new designs or long-term supply assurance, select active alternatives: CRCW08051K80FKEA (identical specifications, Cut Tape format) or CRCW08051K80FKEAHP (higher power rating, Tape & Reel format).

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