SCB63C-331 Equivalent & Substitute Parts

Part Overview

The SCB63C-331 is a 330 µH shielded surface mount inductor manufactured by Signal Transformer, rated for 340 mA continuous current with a maximum DC resistance of 2.32Ohm. This component is classified as obsolete, making identification of functionally equivalent alternatives necessary for ongoing design support and procurement continuity. The part operates across the industrial temperature range of -40°C to 125°C and meets ROHS3 compliance requirements.

Substiute Parts

SCB63C-331

Signal TransformerIn Stock: 1106SCB63C-331 Datasheet

Current PartRFQ

PG0087.334NLT

Pulse ElectronicsIn Stock: 992PG0087.334NLT Datasheet

MFR RecommendedRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitution of the SCB63C-331 is determined by the following critical parameters:

• Inductance Value: Must be 330 µH with ±20% tolerance
• Shielding Configuration: Must be shielded to maintain electromagnetic isolation
• Mounting Technology: Must be surface mount compatible
• Physical Footprint: Must match 6.20mm x 6.20mm base dimensions
• Current Handling: Substitute must support minimum 340 mA continuous current rating
• DC Resistance: Lower or equivalent DCR values are acceptable; higher values indicate increased losses
• Compliance: Must maintain ROHS3 compliance for regulatory continuity

The PG0087.334NLT from Pulse Electronics meets these substitution criteria with matching inductance, shielding, mounting type, and footprint dimensions. However, the current rating differential and DCR variance require engineering evaluation for specific application contexts.

Parameter Comparison

Engineering Selection Recommendations

The PG0087.334NLT qualifies as a manufacturer-recommended substitute based on matching inductance value, tolerance, shielding type, surface mount configuration, and physical footprint. Both components maintain ROHS3 compliance and unlimited moisture sensitivity ratings, ensuring regulatory continuity.

The substitute part carries active product status, providing long-term availability and supply chain stability compared to the obsolete SCB63C-331. The extended operating temperature range of the substitute (-40°C to 130°C versus -40°C to 125°C) provides additional thermal margin.

Component selection must account for the specified current rating differential: the substitute is rated for 200 mA continuous current versus 340 mA for the original part. The increased DC resistance of 3.95Ohm maximum in the substitute versus 2.32Ohm in the original part results in higher power dissipation at equivalent current levels. These differences require circuit-level analysis to confirm suitability for the intended application.

Frequently Asked Questions (FAQ)

Q: Can the PG0087.334NLT directly replace the SCB63C-331 in all applications?

A: Direct substitution is limited by current rating and DC resistance specifications. The substitute supports 200 mA continuous current compared to 340 mA for the original part. Applications operating above 200 mA require alternative solutions. The higher DCR of the substitute results in increased power dissipation and heat generation at equivalent current levels.

Q: What is the physical compatibility between these parts?

A: Both components share identical base footprint dimensions of 6.20mm x 6.20mm and are configured for surface mount assembly. The substitute has a lower seated height of 2.00mm compared to 3.00mm for the original part, which may provide clearance advantages in space-constrained designs.

Q: Are there compliance or regulatory differences between these parts?

A: Both components maintain ROHS3 compliance, unlimited moisture sensitivity ratings (MSL 1), and REACH unaffected status. No regulatory barriers exist to substitution from a compliance perspective.

Q: How do the saturation current specifications differ?

A: The original SCB63C-331 has a saturation current (Isat) of 110mA, while the PG0087.334NLT is rated at 200mA. Higher saturation current in the substitute indicates greater core material capability before inductance degradation occurs.

Q: What factors should determine substitution suitability?

A: Substitution suitability depends on circuit current requirements not exceeding 200 mA, acceptable power dissipation at the higher DCR value, and confirmation that the extended temperature range of the substitute meets application requirements. Physical clearance verification is necessary due to the height difference.