ERJ-S08F9091V Equivalent & Substitute Parts

Part Overview

The ERJ-S08F9091V is a 9.09 kOhms ±1% 0.25W chip resistor in 1206 (3216 Metric) package manufactured by Panasonic Electronic Components. This thick film resistor features anti-sulfur coating and automotive AEC-Q200 qualification, designed for applications requiring high reliability in harsh environments. With 1,064 units currently in stock, this part maintains active product status. Substitute parts become necessary when addressing supply constraints, design revisions requiring alternative manufacturers, or when specific feature sets align better with application requirements while maintaining electrical and mechanical compatibility.

Key Parameters

Parameter	Value
Resistance	9.09 kOhms
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
Terminations	2
RoHS Status	ROHS3 Compliant
Moisture Sensitivity Level	1 (Unlimited)

Substitute Part Grouping Explanation

Substitution eligibility is determined by strict equivalence across the following parameters: resistance value (9.09 kOhms), tolerance (±1%), power rating (0.25W), package type (1206), composition (thick film), temperature coefficient (±100ppm/°C), operating temperature range (-55°C ~ 155°C), and compliance certifications (RoHS3, REACH Unaffected). All listed substitute parts meet these core electrical and mechanical requirements. Variations in product status, specific feature sets (anti-sulfur vs. moisture resistant), and manufacturer-specific height specifications do not affect functional substitutability within the defined parameter envelope.

Parameter Comparison

Manufacturer Part Number	Manufacturer	Resistance	Tolerance	Power (W)	Package	Temp Coeff	Op Temp Range	Product Status	Features	Height Max (mm)	Inventory (Pcs)
ERJ-S08F9091V	Panasonic	9.09 kΩ	±1%	0.25	1206	±100ppm/°C	-55 ~ 155°C	Active	Anti-Sulfur, AEC-Q200	0.70	1,064
ERJ-8ENF9091V	Panasonic	9.09 kΩ	±1%	0.25	1206	±100ppm/°C	-55 ~ 155°C	Not For New Designs	AEC-Q200	0.70	87,472
CR1206-FX-9091ELF	Bourns Inc.	9.09 kΩ	±1%	0.25	1206	±100ppm/°C	-55 ~ 155°C	Active	Moisture Resistant	0.75	23,754
CRCW12069K09FKEA	Vishay Dale	9.09 kΩ	±1%	0.25	1206	±100ppm/°C	-55 ~ 155°C	Active	AEC-Q200	0.60	18,817
RC1206FR-079K09L	YAGEO	9.09 kΩ	±1%	0.25	1206	±100ppm/°C	-55 ~ 155°C	Active	Moisture Resistant	0.65	161,229
RMCF1206FG9K09	Stackpole Electronics	9.09 kΩ	±1%	0.25	1206	±100ppm/°C	-55 ~ 155°C	Active	AEC-Q200	0.70	11,660
RMCF1206FT9K09	Stackpole Electronics	9.09 kΩ	±1%	0.25	1206	±100ppm/°C	-55 ~ 155°C	Active	AEC-Q200	0.70	16,805

Engineering Selection Recommendations

For new designs, prioritize active product status parts: CR1206-FX-9091ELF (Bourns), CRCW12069K09FKEA (Vishay Dale), RC1206FR-079K09L (YAGEO), RMCF1206FG9K09 (Stackpole), and RMCF1206FT9K09 (Stackpole). All maintain RoHS3 compliance and REACH unaffected status equivalent to the primary part.

For automotive applications requiring AEC-Q200 certification, select from CRCW12069K09FKEA, RMCF1206FG9K09, or RMCF1206FT9K09. The ERJ-8ENF9091V carries "Not For New Designs" status and should be reserved for legacy system support or existing inventory management only.

For applications prioritizing high inventory availability, RC1206FR-079K09L offers 161,229 units in stock. For space-constrained PCB layouts, CRCW12069K09FKEA provides the lowest profile at 0.60mm maximum seated height.

Frequently Asked Questions (FAQ)

Q: Can ERJ-S08F9091V be directly replaced with ERJ-8ENF9091V? A: Electrical and mechanical parameters are identical. However, ERJ-8ENF9091V carries "Not For New Designs" status. Use only for legacy system maintenance or existing inventory depletion.

Q: What is the difference between anti-sulfur and moisture-resistant features? A: Both are protective coatings. Anti-sulfur (ERJ-S08F9091V) targets sulfur-containing environments. Moisture-resistant (CR1206-FX-9091ELF, RC1206FR-079K09L) targets humidity exposure. Selection depends on application environment.

Q: Are all substitute parts suitable for automotive applications? A: Only parts with AEC-Q200 certification are qualified for automotive use: ERJ-S08F9091V, ERJ-8ENF9091V, CRCW12069K09FKEA, RMCF1206FG9K09, and RMCF1206FT9K09. CR1206-FX-9091ELF and RC1206FR-079K09L lack automotive qualification.

Q: Does height variation affect PCB assembly compatibility? A: Height differences (0.60mm to 0.75mm) are within standard 1206 package tolerance and do not affect reflow soldering or component placement. Verify PCB design clearances for space-constrained applications.

Q: Are all substitute parts RoHS3 compliant? A: Yes. All listed parts maintain ROHS3 compliance and REACH unaffected status, meeting environmental regulatory requirements equivalent to the primary part.

Q: Which substitute offers the best supply availability? A: RC1206FR-079K09L (YAGEO) provides the highest inventory at 161,229 units in stock, followed by ERJ-8ENF9091V at 87,472 units.

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