ERJ-L08KJ10CV Equivalent & Substitute Parts

Part Overview

The ERJ-L08KJ10CV is a 100 mOhms ±5% 1/3W (0.333W) thick film chip resistor in 1206 (3216 Metric) package manufactured by Panasonic Electronic Components. This current sense resistor is rated for automotive applications under AEC-Q200 and operates across -55°C to 125°C. The part is active and in production with 2877 units currently in stock. Equivalent and substitute parts are identified when design requirements allow for tolerance upgrades, power rating increases, or alternative qualified manufacturers while maintaining the same resistance value and package footprint.

Substiute Parts

ERJ-L08KJ10CV

Panasonic Electronic ComponentsIn Stock: 2983ERJ-L08KJ10CV Datasheet

Current PartRFQ

ERJ-8BWFR100V

Panasonic Electronic ComponentsIn Stock: 123495ERJ-8BWFR100V Datasheet

UpgradeRFQ

ERJ-8BWJR100V

Panasonic Electronic ComponentsIn Stock: 8181ERJ-8BWJR100V Datasheet

UpgradeRFQ

ERJ-L08KF10CV

Panasonic Electronic ComponentsIn Stock: 104623ERJ-L08KF10CV Datasheet

UpgradeRFQ

CSR1206FKR100

Stackpole Electronics IncIn Stock: 581148CSR1206FKR100 Datasheet

UpgradeRFQ

RCWE1206R100FKEA

Vishay DaleIn Stock: 26396RCWE1206R100FKEA Datasheet

UpgradeRFQ

CRM1206-FX-R100ELF

Bourns Inc.In Stock: 26091CRM1206-FX-R100ELF Datasheet

SimilarRFQ

CRM1206AFX-R100ELF

Bourns Inc.In Stock: 10467CRM1206AFX-R100ELF Datasheet

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CSR1206FTR100

Stackpole Electronics IncIn Stock: 387629CSR1206FTR100 Datasheet

SimilarRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitution eligibility is determined by the following criteria:

Upgrade Substitutes maintain the same resistance value (100 mOhms) and package (1206), but offer improved tolerance (±1% vs ±5%) and/or increased power rating (1W or 0.5W vs 0.333W). These parts are direct functional upgrades suitable when design margins allow higher power dissipation or tighter tolerance specifications.

Similar Substitutes maintain resistance, package, and tolerance specifications but may differ in manufacturer, specific features (anti-sulfur, pulse withstanding), or minor dimensional variations. These are suitable when equivalent electrical performance is required with alternative sourcing.

The following parameters determine substitution validity:

• Resistance value: 100 mOhms (fixed)
• Package type: 1206 (3216 Metric) (fixed)
• Tolerance: ±5% minimum (upgradeable to ±1%)
• Power rating: 0.333W minimum (upgradeable to 0.5W or 1W)
• Temperature range: -55°C minimum, 125°C minimum (upgradeable to 155°C)
• Composition: Thick Film (fixed)
• Application: Current Sense (fixed)

Parameter Comparison

Engineering Selection Recommendations

For AEC-Q200 Automotive Applications: ERJ-L08KF10CV (Panasonic, ±1% tolerance, same power rating) or ERJ-8BWJR100V (Panasonic, ±5% tolerance, 1W power rating) maintain full automotive qualification. RCWE1206R100FKEA (Vishay Dale) and CRM1206AFX-R100ELF (Bourns) also carry AEC-Q200 certification with increased power ratings.

For Non-Automotive or General Industrial Use: CSR1206FKR100, CRM1206-FX-R100ELF, and CSR1206FTR100 are suitable alternatives without AEC-Q200 requirement, offering higher inventory availability and increased power dissipation capability.

For Tolerance-Critical Applications: ERJ-L08KF10CV, ERJ-8BWFR100V, and all ±1% tolerance substitutes provide improved accuracy over the original ±5% specification.

For Thermal Margin Applications: ERJ-8BWFR100V (1W), ERJ-8BWJR100V (1W), and all 0.5W substitutes provide increased power handling capacity, extending thermal operating margin in current sense circuits.

All substitute parts maintain ROHS3 compliance, MSL 1 rating, and thick film composition. Package dimensions remain compatible with 1206 footprint designs.

Frequently Asked Questions (FAQ)

Q: Can ERJ-L08KF10CV replace ERJ-L08KJ10CV directly?

A: Yes. ERJ-L08KF10CV is a direct upgrade within the same Panasonic ERJ-L08 series, maintaining identical package, power rating, and temperature range while improving tolerance from ±5% to ±1%. No circuit redesign is required.

Q: What is the difference between upgrade and similar substitutes?

A: Upgrade substitutes offer improved electrical specifications (tighter tolerance or higher power rating) while maintaining the same package and base series. Similar substitutes maintain equivalent electrical performance but may use different manufacturers or feature variations. Both categories are electrically compatible at the 100 mOhms, 1206 package level.

Q: Are Stackpole and Bourns parts suitable for automotive applications?

A: Stackpole CSR1206FKR100 and CSR1206FTR100, and Bourns CRM1206-FX-R100ELF do not carry AEC-Q200 certification. For automotive designs requiring AEC-Q200 compliance, use Panasonic ERJ series, Vishay RCWE1206R100FKEA, or Bourns CRM1206AFX-R100ELF.

Q: What is the impact of tolerance upgrade from ±5% to ±1%?

A: Tolerance upgrade reduces resistance variation from ±5 mOhms to ±1 mOhms at the 100 mOhms nominal value. This improves current measurement accuracy in sense circuits and reduces circuit performance variation across production batches.

Q: Can I use a 1W part in place of a 0.333W part?

A: Yes, if thermal and board layout constraints permit. Higher power rating parts dissipate heat more efficiently and provide design margin. Verify that increased component height (0.030" vs 0.028" maximum) does not conflict with board clearances or assembly constraints.

Q: Are there packaging format differences between substitutes?

A: Yes. ERJ-8BWFR100V uses Cut Tape & Digi-Reel packaging, while most others use standard Tape & Reel. Verify packaging compatibility with your procurement and assembly processes. All parts use identical 1206 (3216 Metric) component footprint.

Q: What is the temperature range difference between parts?

A: ERJ-L08 series (original and ERJ-L08KF10CV) operate -55°C to 125°C. ERJ-8BW series and most substitutes operate -55°C to 155°C. For applications exceeding 125°C, use ERJ-8BW or equivalent substitutes with extended upper temperature limit.