NP06DB6R8M Equivalent & Substitute Parts

Part Overview

The NP06DB6R8M is a 6.8 µH shielded inductor manufactured by Taiyo Yuden, rated for 2.8 A continuous current operation. This component is classified as obsolete, necessitating identification of equivalent substitute parts for ongoing design requirements and production continuity. The part operates across an industrial temperature range of -25°C to 105°C and is suitable for surface mount applications in nonstandard package configurations.

Substiute Parts

NP06DB6R8M

Taiyo YudenIn Stock: 889NP06DB6R8M Datasheet

Current PartRFQ

7447779006

Würth ElektronikIn Stock: 16307447779006 Datasheet

SimilarRFQ

SRR0603-6R8ML

Bourns Inc.In Stock: 1349SRR0603-6R8ML Datasheet

SimilarRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitution of the NP06DB6R8M is determined by strict adherence to the following electrical and mechanical parameters:

Primary Substitution Criteria:

• Inductance value: 6.8 µH (fixed requirement)
• Inductance tolerance: ±20% (matching specification)
• Shielding: Shielded configuration (electromagnetic containment requirement)
• Mounting type: Surface mount (assembly compatibility)
• Inductance test frequency: 1 kHz (measurement standard)
• Moisture sensitivity level: 1 or better (environmental robustness)

Secondary Compatibility Factors:

• Current rating: Minimum 2.8 A (functional requirement)
• Operating temperature range: Must encompass or exceed -25°C ~ 105°C
• Package classification: Nonstandard surface mount packages

The identified substitute parts meet all primary criteria. Variations in current saturation ratings, DC resistance, and physical dimensions are documented to enable informed selection based on specific application constraints.

Parameter Comparison

Engineering Selection Recommendations

7447779006 (Würth Elektronik WE-PD Robust Series)

This substitute part is classified as active product status with AEC-Q200 automotive qualification. The current rating of 2.91 A exceeds the main part requirement of 2.8 A. The operating temperature range of -40°C to 125°C extends beyond the original specification. RoHS3 compliance is confirmed. Physical dimensions are comparable to the main part (7.30mm x 7.30mm footprint). The 35 mOhm maximum DC resistance and 3.3 A saturation current provide operational margin for the specified 2.8 A application.

SRR0603-6R8ML (Bourns Inc. SRR0603 Series)

This substitute part is classified as active product status with RoHS3 compliance. The current rating of 1.2 A is below the main part requirement of 2.8 A, limiting applicability to designs with reduced current demands. The operating temperature range of -40°C to 125°C exceeds the original specification. Physical dimensions are smaller (6.50mm x 6.50mm footprint), which may provide board space advantages in constrained layouts. The 100 mOhm maximum DC resistance and 1.75 A saturation current define operational boundaries for lower-current applications.

Frequently Asked Questions (FAQ)

Q: Can the 7447779006 directly replace the NP06DB6R8M in all applications?

A: The 7447779006 meets all primary substitution criteria: identical 6.8 µH inductance, ±20% tolerance, shielded configuration, surface mount compatibility, and 1 kHz test frequency. The current rating of 2.91 A exceeds the 2.8 A requirement. Physical dimensions are comparable. Verification of PCB layout compatibility is necessary due to height difference (4.50mm vs. 3.20mm).

Q: Is the SRR0603-6R8ML suitable for the original 2.8 A application?

A: The SRR0603-6R8ML has a current rating of 1.2 A, which is insufficient for the original 2.8 A specification. This part is suitable only for applications with reduced current requirements below 1.2 A continuous operation.

Q: What are the physical footprint differences between substitute parts?

A: The NP06DB6R8M measures 7.50mm x 7.30mm with 3.20mm height. The 7447779006 measures 7.30mm x 7.30mm with 4.50mm height. The SRR0603-6R8ML measures 6.50mm x 6.50mm with 3.30mm height. PCB layout and clearance verification is required for each substitution.

Q: Are both substitute parts compliant with environmental regulations?

A: Both substitute parts are REACH Unaffected and classified as EAR99 for export control purposes. The 7447779006 carries RoHS3 compliance certification. The SRR0603-6R8ML carries RoHS3 compliance certification. Both parts have MSL rating of 1 (Unlimited).

Q: What is the significance of the different DC resistance values?

A: The 7447779006 specifies 35 mOhm maximum DC resistance, while the SRR0603-6R8ML specifies 100 mOhm maximum. Lower DC resistance reduces resistive losses and heat generation during operation. Applications sensitive to power dissipation should prioritize the lower resistance option.

Q: How do saturation current ratings affect part selection?

A: The 7447779006 has a saturation current of 3.3 A, providing margin above the 2.8 A operating requirement. The SRR0603-6R8ML has a saturation current of 1.75 A, which is below the original 2.8 A requirement. Saturation current defines the maximum current before inductance degradation occurs.

Q: What is the impact of extended operating temperature ranges?

A: Both substitute parts operate from -40°C to 125°C, extending the lower temperature limit by 15°C and upper limit by 20°C compared to the original -25°C to 105°C specification. This provides enhanced performance margin for applications in extreme thermal environments.