SMP3316-153M Equivalent & Substitute Parts

Part Overview

The SMP3316-153M is a 150 µH unshielded molded inductor manufactured by Gowanda Electronics, designed for surface mount applications requiring moderate current handling. This component is classified as Active product status with 676 units currently in stock. The molded construction provides compact integration in space-constrained designs while maintaining electrical performance across the operating temperature range of -55°C to 125°C. Substitute parts are identified when equivalent inductance values, current ratings, and shielding characteristics align within acceptable tolerance ranges for the intended application.

Substiute Parts

SMP3316-153M

Gowanda ElectronicsIn Stock: 722SMP3316-153M Datasheet

Current PartRFQ

SDR1005-151KL

Bourns Inc.In Stock: 3954SDR1005-151KL Datasheet

SimilarRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitution eligibility for the SMP3316-153M is determined by the following critical parameters:

• Inductance value of 150 µH (tolerance range acceptable within ±20%)
• Current rating minimum of 800 mA (accommodates the 1.2 A primary specification)
• Unshielded configuration to maintain electromagnetic compatibility profile
• Surface mount packaging for PCB integration compatibility
• Operating temperature range supporting -40°C to 125°C minimum
• DC resistance within acceptable limits for circuit performance

The SDR1005-151KL meets these substitution criteria through equivalent inductance specification, compatible current handling, matching unshielded topology, and surface mount form factor.

Parameter Comparison

Engineering Selection Recommendations

The SDR1005-151KL qualifies as a functional substitute based on matching inductance specification, compatible current handling within acceptable margins, and equivalent unshielded surface mount configuration. The substitute part carries ROHS3 compliance certification, whereas the primary part lists RoHS status as not applicable. Both components maintain MSL Level 1 rating and REACH unaffected status. The substitute exhibits tighter inductance tolerance (±10% versus ±20%) and lower operating temperature floor (-40°C versus -55°C), which may influence selection based on specific thermal and tolerance requirements of the application.

Frequently Asked Questions (FAQ)

Q: Can the SDR1005-151KL replace the SMP3316-153M in all applications?

A: Substitution is valid where the application current requirement does not exceed 800 mA and the minimum operating temperature does not fall below -40°C. The SDR1005-151KL provides equivalent inductance and unshielded topology. Higher DC resistance (590 mOhm versus 380 mOhm) may increase power dissipation in high-current circuits.

Q: What is the significance of the inductance tolerance difference?

A: The SMP3316-153M specifies ±20% tolerance while the SDR1005-151KL specifies ±10%. Tighter tolerance in the substitute part provides improved inductance consistency, beneficial for applications requiring precise frequency response or tuning characteristics.

Q: Are the physical dimensions compatible?

A: Both components use nonstandard surface mount packages with similar footprints. The SMP3316-153M measures 0.530" L × 0.420" W × 0.236" H, while the SDR1005-151KL measures 0.500" L × 0.394" W × 0.197" H. PCB layout verification is required to confirm mechanical fit.

Q: How does the DC resistance affect circuit performance?

A: The SDR1005-151KL exhibits 590 mOhm maximum DC resistance compared to 380 mOhm for the primary part. In applications with sustained current flow, the substitute will generate additional heat. Power dissipation differential is approximately 0.21 W at 1.2 A continuous current.

Q: What compliance certifications apply to each part?

A: The SDR1005-151KL carries ROHS3 compliance. Both parts maintain MSL Level 1 (unlimited moisture sensitivity) and REACH unaffected status. ECCN classification is EAR99 for both components.