S0402-27NG2B Equivalent & Substitute Parts

Part Overview

The S0402-27NG2B is a 27 nH unshielded drum core wirewound inductor manufactured by API Delevan Inc., rated for 400 mA continuous current with a maximum DC resistance of 360 mOhm. This component is classified as Active and designed for 0402 (1005 Metric) surface mount applications. Finding alternative equivalent parts is necessary to address inventory constraints, lead time variations, or specific compliance and performance requirements across different manufacturing sources.

Substiute Parts

S0402-27NG2B

API Delevan Inc.In Stock: 687S0402-27NG2B Datasheet

Current PartRFQ

LRW0402WG27NGG001T

Johanson Technology Inc.In Stock: 40888LRW0402WG27NGG001T Datasheet

SimilarRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitute parts for the S0402-27NG2B are selected based on the following critical electrical and mechanical parameters:

• Inductance Value: Must be 27 nH (exact match within ±2% tolerance)
• Current Rating: Must be 400 mA or higher to handle circuit current requirements
• Package / Case: Must be 0402 (1005 Metric) for PCB footprint compatibility
• DC Resistance (DCR): Acceptable within circuit design constraints; lower DCR is beneficial for reduced power dissipation
• Type: Drum core wirewound construction with unshielded configuration
• Operating Temperature Range: Must support the circuit's operating environment

The substitute part LRW0402WG27NGG001T meets these critical criteria, enabling direct functional substitution in circuit designs originally specified for the S0402-27NG2B.

Parameter Comparison

Engineering Selection Recommendations

S0402-27NG2B (API Delevan Inc.)

• Operating temperature range extends to -55°C, suitable for applications requiring low-temperature operation
• RoHS non-compliant status requires consideration in compliance-critical applications

LRW0402WG27NGG001T (Johanson Technology Inc.)

• Lower DC resistance (298 mOhm vs 360 mOhm) reduces power dissipation and generates less heat
• ROHS3 compliant, meeting environmental and regulatory requirements for restricted substances
• Slightly reduced physical footprint (height of 0.024" vs 0.030") may offer PCB layout advantages
• Operating temperature range limited to -40°C minimum; not suitable for applications requiring -55°C operation
• Higher inventory availability (40,840 pcs in stock) supports shorter lead times

Both components maintain identical inductance value, tolerance, current rating, and package specifications. Selection should be based on compliance requirements, operating temperature constraints, and application thermal management needs.

Frequently Asked Questions (FAQ)

Q: Can LRW0402WG27NGG001T be used as a direct drop-in replacement for S0402-27NG2B? A: The LRW0402WG27NGG001T meets the core electrical parameters (27 nH inductance, 400 mA rating, ±2% tolerance) and package specification (0402 surface mount). Physical dimensions differ slightly but remain within 0402 package classification. Compatibility depends on circuit operating temperature: if temperatures below -40°C are required, the S0402-27NG2B is necessary.

Q: What is the significance of the lower DC resistance in the substitute part? A: The LRW0402WG27NGG001T exhibits 298 mOhm maximum DCR compared to 360 mOhm in the original part. Lower DCR reduces resistive losses and heat generation, typically improving circuit efficiency. The selection should verify that the circuit design does not depend on the higher resistance characteristics of the original component.

Q: Are there package footprint compatibility concerns? A: Both components use the 0402 (1005 Metric) package classification and surface mount mounting type. While physical dimensions vary slightly, both parts are designed for identical PCB footprints. Verify mechanical clearance if component height becomes a constraint in the application.

Q: How does the RoHS compliance difference affect substitution? A: The S0402-27NG2B is RoHS non-compliant, while LRW0402WG27NGG001T is ROHS3 compliant. Applications subject to RoHS directives or customer compliance requirements must use the compliant substitute part. Conversely, applications without regulatory restrictions can use either component.

Q: What operational differences exist due to the dissimilar temperature ranges? A: The S0402-27NG2B operates from -55°C to 125°C, while the substitute operates from -40°C to 125°C. For applications requiring low-temperature performance below -40°C, only the S0402-27NG2B is suitable. For typical industrial and commercial temperature ranges, either component is acceptable.