ERJ-S08F5491V Equivalent & Substitute Parts

Part Overview

The ERJ-S08F5491V is a 5.49 kOhm ±1% thick film chip resistor in 1206 (3216 Metric) package rated for 0.25W (1/4W) power dissipation. 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 maintains active product status with 855 units in current inventory. Equivalent and substitute parts are identified based on matching electrical specifications (resistance value, tolerance, power rating), mechanical compatibility (package size, termination count), and environmental ratings (temperature range, compliance certifications).

Substiute Parts

ERJ-S08F5491V

Panasonic Electronic ComponentsIn Stock: 947ERJ-S08F5491V Datasheet

Current PartRFQ

ERJ-8ENF5491V

Panasonic Electronic ComponentsIn Stock: 61852ERJ-8ENF5491V Datasheet

SimilarRFQ

CRCW12065K49FKEA

Vishay DaleIn Stock: 14378CRCW12065K49FKEA Datasheet

SimilarRFQ

RC1206FR-075K49L

YAGEOIn Stock: 6145RC1206FR-075K49L Datasheet

SimilarRFQ

RMCF1206FT5K49

Stackpole Electronics IncIn Stock: 3567RMCF1206FT5K49 Datasheet

SimilarRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitute parts for the ERJ-S08F5491V are qualified based on the following criteria:

Electrical Compatibility: All substitute parts must match the primary electrical specifications: 5.49 kOhm resistance value, ±1% tolerance, and 0.25W power rating. These parameters are non-negotiable for functional equivalence in circuit applications.

Mechanical Compatibility: All parts must use the 1206 (3216 Metric) surface-mount package with 2 terminations. Package dimensions and height specifications must be compatible with standard PCB assembly processes.

Environmental & Compliance Requirements: Parts must operate across the -55°C to 155°C temperature range with ±100ppm/°C temperature coefficient. RoHS3 compliance and MSL 1 rating are required for supply chain and manufacturing compatibility.

Automotive & Reliability Ratings: AEC-Q200 qualification is specified for the main part and preferred for substitute selection where available. This certification indicates suitability for automotive applications with defined reliability standards.

The four substitute parts listed below meet all mandatory electrical and mechanical parameters. Variations in features (anti-sulfur coating, moisture resistance) and product status are noted but do not affect functional substitutability.

Parameter Comparison

Engineering Selection Recommendations

Primary Selection: ERJ-S08F5491V remains the recommended choice for new designs. The part is in active product status with anti-sulfur coating and AEC-Q200 qualification, providing long-term supply assurance and automotive-grade reliability.

Active Alternatives: CRCW12065K49FKEA (Vishay Dale), RC1206FR-075K49L (YAGEO), and RMCF1206FT5K49 (Stackpole Electronics) are all active products meeting all electrical and mechanical requirements. These parts are suitable for direct substitution in applications where the primary part is unavailable.

Discontinued Consideration: ERJ-8ENF5491V carries "Not For New Designs" status, indicating this Panasonic variant is in end-of-life phase. While electrically and mechanically equivalent with AEC-Q200 qualification, this part should be used only for legacy design updates or repair applications where supply from active alternatives is constrained.

Automotive Applications: For automotive designs requiring AEC-Q200 compliance, select from ERJ-S08F5491V, ERJ-8ENF5491V, CRCW12065K49FKEA, or RMCF1206FT5K49. The RC1206FR-075K49L lacks AEC-Q200 rating and is suitable for non-automotive industrial applications only.

Frequently Asked Questions (FAQ)

Q: Can I substitute ERJ-S08F5491V with any of the listed parts? A: Yes. All listed parts match the required electrical specifications (5.49 kOhm, ±1%, 0.25W), mechanical package (1206), and environmental operating range (-55°C to 155°C). Direct substitution is electrically and mechanically valid.

Q: What is the difference between ERJ-S08F5491V and ERJ-8ENF5491V? A: Both are Panasonic 5.49 kOhm 1206 resistors with identical electrical and mechanical specifications. The primary difference is product status: ERJ-S08F5491V is active for new designs, while ERJ-8ENF5491V is marked "Not For New Designs" and represents an older series (ERJ-8EN vs. ERJ-S08). The ERJ-S08F5491V includes anti-sulfur coating as an additional feature.

Q: Are all substitute parts suitable for automotive applications? A: Three of the four substitutes carry AEC-Q200 qualification: ERJ-8ENF5491V, CRCW12065K49FKEA, and RMCF1206FT5K49. The RC1206FR-075K49L does not have AEC-Q200 rating and is suitable for industrial applications without automotive requirements.

Q: What does "Not For New Designs" mean for ERJ-8ENF5491V? A: This status indicates the part is in end-of-life phase and Panasonic does not recommend its use in new product designs. Existing inventory may be available, but long-term supply is not guaranteed. Use active alternatives for new designs.

Q: Do all parts have the same physical dimensions? A: All parts use the 1206 (3216 Metric) package. Minor variations exist in height specifications: ERJ-S08F5491V and RMCF1206FT5K49 are 0.028" (0.70mm), CRCW12065K49FKEA is 0.024" (0.60mm), and RC1206FR-075K49L is 0.026" (0.65mm). These variations are within standard PCB assembly tolerances and do not affect interchangeability.

Q: What is the significance of the anti-sulfur coating on ERJ-S08F5491V? A: Anti-sulfur coating protects the resistor from corrosion in high-sulfur environments, extending reliability in harsh industrial and automotive settings. This feature is specific to the ERJ-S08F5491V and not present on all substitutes, though it does not affect electrical performance in standard applications.

Q: Are all parts RoHS3 compliant? A: Yes. All listed parts are ROHS3 compliant and MSL 1 rated, meeting current environmental and supply chain requirements for electronics manufacturing.