SDCL1005C3N9STDF Equivalent & Substitute Parts

Part Overview

The SDCL1005C3N9STDF is a 3.9 nH unshielded multilayer ceramic inductor manufactured by Shenzhen Sunlord Electronics Co., Ltd. This surface mount component is rated for 300 mA continuous current with a maximum DC resistance of 200 mOhm and operates across the temperature range of -55°C to 125°C. The part is classified as Active product status with unlimited moisture sensitivity rating (MSL 1). Equivalent and substitute parts are identified to support procurement flexibility, inventory management, and supply chain continuity for applications requiring this specific inductance value and electrical performance envelope.

Substiute Parts

SDCL1005C3N9STDF

Shenzhen Sunlord Electronics Co., Ltd.In Stock: 252190SDCL1005C3N9STDF Datasheet

Current PartRFQ

BSCH001005053N9SCS

Pulse ElectronicsIn Stock: 20542BSCH001005053N9SCS Datasheet

SimilarRFQ

CTLL1005SF-3N9S

Central TechnologiesIn Stock: 11249CTLL1005SF-3N9S Datasheet

Parametric EquivalentRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitute parts for the SDCL1005C3N9STDF are qualified based on the following critical parameters:

Mandatory Matching Parameters:

• Inductance value: 3.9 nH
• Inductance tolerance: ±0.3 nH
• Package / Case: 0402 (1005 Metric)
• Mounting type: Surface Mount
• Material - Core: Ceramic
• Shielding: Unshielded
• Operating temperature range: -55°C to 125°C
• Q @ 100 MHz: 8

Allowable Variation Parameters:

• Current Rating: Equal to or greater than 300 mA
• DC Resistance (DCR) Maximum: Equal to or less than 200 mOhm
• Frequency - Self Resonant: Greater than or equal to 4 GHz
• Physical dimensions: Within standard 0402 package tolerances

Substitute parts meeting these criteria are functionally interchangeable within the specified electrical and mechanical constraints.

Parameter Comparison

Engineering Selection Recommendations

BSCH001005053N9SCS (Pulse Electronics) is classified as a similar manufacturer part with enhanced electrical performance. This substitute provides a higher current rating of 400 mA compared to the 300 mA rating of the primary part, and features a lower DC resistance maximum of 180 mOhm versus 200 mOhm. The self-resonant frequency is elevated to 6.1 GHz, providing extended frequency response capability. This part carries ROHS3 compliance and REACH Unaffected status. Selection of this substitute is appropriate for applications requiring improved thermal performance or higher current headroom within the same package footprint.

CTLL1005SF-3N9S (Central Technologies) is classified as a parametric equivalent with identical electrical specifications to the primary part. This substitute maintains the 300 mA current rating and 200 mOhm maximum DC resistance, with matching self-resonant frequency of 4 GHz. The part carries ROHS3 compliance. This substitute is appropriate for direct replacement applications where electrical performance must remain within the original specification envelope. Moisture sensitivity level is listed as vendor undefined; clarification from the manufacturer is required for applications with specific MSL requirements.

All three parts share Active product status, identical inductance and tolerance values, matching operating temperature ranges, and identical package specifications. Selection between these parts depends on application-specific requirements for current capacity, DC resistance performance, and regulatory compliance documentation.

Frequently Asked Questions (FAQ)

Q: Can BSCH001005053N9SCS be used as a direct replacement for SDCL1005C3N9STDF?

A: Yes. The BSCH001005053N9SCS meets all mandatory matching parameters including inductance value, tolerance, package type, and operating temperature range. The higher current rating (400 mA versus 300 mA) and lower DC resistance (180 mOhm versus 200 mOhm) represent improved performance characteristics that do not compromise compatibility. Physical dimensions remain within 0402 package specifications.

Q: What is the difference between CTLL1005SF-3N9S and SDCL1005C3N9STDF?

A: The CTLL1005SF-3N9S is a parametric equivalent with identical electrical specifications. Both parts share 3.9 nH inductance, ±0.3 nH tolerance, 300 mA current rating, 200 mOhm maximum DC resistance, and 4 GHz self-resonant frequency. The primary difference is manufacturer origin. The CTLL1005SF-3N9S moisture sensitivity level is listed as vendor undefined, which may require clarification for applications with specific MSL requirements.

Q: Are all three parts suitable for high-frequency RF applications?

A: All three parts are unshielded multilayer ceramic inductors with Q factor of 8 at 100 MHz and self-resonant frequencies ranging from 4 GHz to 6.1 GHz. These characteristics support RF and microwave frequency applications. The BSCH001005053N9SCS offers extended frequency response with its 6.1 GHz self-resonant frequency.

Q: What are the physical dimensions of these inductors?

A: All three parts conform to the 0402 (1005 Metric) package specification with dimensions of 0.039" L x 0.020" W (1.00 mm x 0.50 mm). Maximum seated heights are 0.026" (0.65 mm) for SDCL1005C3N9STDF and CTLL1005SF-3N9S, and 0.024" (0.60 mm) for BSCH001005053N9SCS. These dimensions ensure compatibility with standard surface mount assembly processes and PCB layouts.

Q: What compliance certifications are available for these parts?

A: BSCH001005053N9SCS carries ROHS3 compliance and REACH Unaffected status. CTLL1005SF-3N9S carries ROHS3 compliance with REACH information available upon request from the manufacturer. SDCL1005C3N9STDF compliance documentation should be verified with Shenzhen Sunlord Electronics Co., Ltd. All three parts are classified under ECCN EAR99 and HTSUS 8504.50.8000.

Q: Can these parts be used interchangeably in production?

A: BSCH001005053N9SCS and CTLL1005SF-3N9S are functionally interchangeable with SDCL1005C3N9STDF within the specified electrical and mechanical parameters. However, design validation and qualification testing should be performed according to your organization's component approval procedures before implementing substitution in production environments.