ERJ-S03F1331V Equivalent & Substitute Parts

Part Overview

The ERJ-S03F1331V is a 1.33 kOhms ±1% thick film chip resistor in 0603 (1608 Metric) package rated for 0.1W power dissipation. Manufactured by Panasonic Electronic Components, this part features anti-sulfur coating and automotive AEC-Q200 qualification, designed for applications requiring reliable performance across -55°C to 155°C operating temperature range. The part is active in production with ROHS3 compliance and unlimited moisture sensitivity level (MSL 1).

Equivalent and substitute parts are necessary when the primary part experiences supply constraints, extended lead times, or when design flexibility permits selection from qualified alternatives meeting identical electrical and mechanical specifications.

Substiute Parts

ERJ-S03F1331V

Panasonic Electronic ComponentsIn Stock: 866ERJ-S03F1331V Datasheet

Current PartRFQ

ERJ-3EKF1331V

Panasonic Electronic ComponentsIn Stock: 59920ERJ-3EKF1331V Datasheet

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CR0603-FX-1331ELF

Bourns Inc.In Stock: 42132CR0603-FX-1331ELF Datasheet

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CRCW06031K33FKEA

Vishay DaleIn Stock: 6868CRCW06031K33FKEA Datasheet

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CRCW06031K33FKTA

Vishay DaleIn Stock: 6127CRCW06031K33FKTA Datasheet

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RC0603FR-071K33L

YAGEOIn Stock: 129150RC0603FR-071K33L Datasheet

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RMCF0603FT1K33

Stackpole Electronics IncIn Stock: 86313RMCF0603FT1K33 Datasheet

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Key Parameters

Substitute Part Grouping Explanation

Substitution eligibility for the ERJ-S03F1331V is determined by strict equivalence across the following critical parameters:

• Resistance value: 1.33 kOhms
• Tolerance: ±1%
• Power rating: 0.1W
• Package: 0603 (1608 Metric)
• Composition: Thick Film
• Temperature coefficient: ±100ppm/°C
• Operating temperature range: -55°C ~ 155°C
• Number of terminations: 2
• Packaging format: Tape & Reel

All substitute parts listed meet these core electrical and mechanical requirements. Variations in physical dimensions (length, width, height) within standard 0603 tolerances, feature sets (anti-sulfur vs. moisture resistant), and compliance certifications do not prevent functional substitution but may influence selection based on application-specific requirements.

Parameter Comparison

Engineering Selection Recommendations

All listed substitute parts maintain full electrical and mechanical compatibility with the ERJ-S03F1331V across core specifications. Selection among qualified alternatives should prioritize the following factors:

Compliance and Certification: Five of six substitute parts (ERJ-3EKF1331V, CRCW06031K33FKEA, RC0603FR-071K33L, RMCF0603FT1K33) carry ROHS3 compliance matching the primary part. CRCW06031K33FKTA is RoHS non-compliant and REACH affected, restricting use in applications requiring regulatory compliance.

Automotive Qualification: Four substitutes (ERJ-3EKF1331V, CRCW06031K33FKEA, CRCW06031K33FKTA, RMCF0603FT1K33) maintain AEC-Q200 automotive qualification identical to the primary part. CR0603-FX-1331ELF and RC0603FR-071K33L lack this certification but feature moisture resistance.

Inventory Availability: RC0603FR-071K33L (YAGEO) offers highest stock at 129,080 pieces. ERJ-3EKF1331V (Panasonic) provides 59,837 pieces. RMCF0603FT1K33 (Stackpole) supplies 86,227 pieces. Remaining alternatives show lower availability.

Feature Differentiation: The primary part includes anti-sulfur coating. Bourns CR0603-FX-1331ELF and YAGEO RC0603FR-071K33L specify moisture resistance as primary feature. This distinction does not affect electrical performance but may influence selection based on environmental exposure requirements.

Frequently Asked Questions (FAQ)

Q: Can ERJ-3EKF1331V directly replace ERJ-S03F1331V?

A: Yes. Both parts are manufactured by Panasonic, share identical electrical specifications (1.33 kOhms ±1%, 0.1W, ±100ppm/°C), operate across -55°C to 155°C, use 0603 package, and carry ROHS3 compliance and AEC-Q200 qualification. The primary difference is the series designation (ERJ-3EK vs. ERJ-S03), reflecting manufacturing line variation without functional impact.

Q: Are Vishay Dale CRCW parts suitable for automotive applications?

A: CRCW06031K33FKEA is suitable for automotive use, carrying AEC-Q200 qualification and ROHS3 compliance. CRCW06031K33FKTA also holds AEC-Q200 rating but is RoHS non-compliant and REACH affected, making it unsuitable for applications requiring regulatory compliance.

Q: What is the significance of anti-sulfur vs. moisture-resistant features?

A: Anti-sulfur coating (ERJ-S03F1331V) protects against sulfur-containing atmospheric corrosion. Moisture-resistant formulation (CR0603-FX-1331ELF, RC0603FR-071K33L) addresses humidity exposure. Both are thick film compositions with identical electrical performance. Feature selection depends on environmental conditions; anti-sulfur is typical for automotive applications, while moisture resistance suits humid or marine environments.

Q: Do all substitutes fit the same PCB footprint?

A: Yes. All parts use 0603 (1608 Metric) package with 2 terminations. Physical dimensions vary slightly within standard tolerances (length 0.061–0.063", width 0.031–0.033", height 0.020–0.022"), but these variations remain within PCB design tolerances for 0603 components and do not require layout modification.

Q: Which substitute offers best supply availability?

A: RC0603FR-071K33L (YAGEO) provides 129,080 pieces in stock, the highest among all alternatives. RMCF0603FT1K33 (Stackpole) follows with 86,227 pieces. Both maintain ROHS3 compliance and full electrical equivalence.

Q: Can moisture-sensitive level (MSL 1) substitutes be used interchangeably?

A: Yes. All listed parts carry MSL 1 (unlimited shelf life), indicating no moisture sensitivity restrictions. Storage and handling requirements are identical across all alternatives.