SMP5022-472M Equivalent & Substitute Parts

Part Overview

The SMP5022-472M is a 47 µH unshielded molded inductor manufactured by Gowanda Electronics, designed for surface mount applications requiring moderate current handling and compact form factors. This component is classified as Active product status with 984 pieces currently in stock. Alternative components become necessary when addressing supply chain constraints, lead time requirements, or specific application compatibility needs within the defined electrical and mechanical parameter space.

Substiute Parts

SMP5022-472M

Gowanda ElectronicsIn Stock: 1007SMP5022-472M Datasheet

Current PartRFQ

SDR1806-470ML

Bourns Inc.In Stock: 5160SDR1806-470ML Datasheet

SimilarRFQ

Key Parameters

Substitute Part Grouping Explanation

The SDR1806-470ML from Bourns Inc. qualifies as an equivalent substitute based on the following alignment of critical electrical and mechanical parameters:

Matching Parameters:

• Inductance: 47 µH (identical specification)
• Tolerance: ±20% (identical specification)
• Shielding: Unshielded (identical specification)
• Core Material: Ferrite (identical specification)
• Mounting Type: Surface Mount (identical specification)
• Inductance Frequency - Test: 100 kHz (identical specification)
• Moisture Sensitivity Level: 1 (Unlimited) (identical specification)

Compatible Parameters Within Acceptable Range:

• Current Rating: 2.5 A (SMP5022-472M: 2.6 A) — substitute rated at 96% of main part
• DC Resistance: 95 mOhm Max (SMP5022-472M: 86 mOhm Max) — substitute within 10% variance
• Operating Temperature Range: -40°C ~ 125°C (SMP5022-472M: -55°C ~ 125°C) — substitute covers reduced lower temperature bound
• Physical Dimensions: 0.720" L x 0.551" W, Height 0.272" (SMP5022-472M: 0.750" L x 0.620" W, Height 0.280") — substitute within compact form factor tolerance

Parameter Comparison

Engineering Selection Recommendations

Both the SMP5022-472M and SDR1806-470ML maintain Active product status, ensuring continued manufacturer support and supply availability. The SDR1806-470ML carries ROHS3 compliance certification, providing additional regulatory alignment for applications subject to RoHS directives. Selection between these components should be based on application-specific current requirements: the SMP5022-472M supports 2.6 A continuous current with 5.6 A saturation current, while the SDR1806-470ML supports 2.5 A continuous current with 4.6 A saturation current. The SDR1806-470ML operates within a reduced lower temperature bound of -40°C compared to the SMP5022-472M at -55°C; applications requiring extended low-temperature performance should retain the primary part. Both components feature identical inductance, tolerance, shielding configuration, and moisture sensitivity ratings, supporting direct functional substitution within the specified parameter constraints.

Frequently Asked Questions (FAQ)

Q: Can the SDR1806-470ML directly replace the SMP5022-472M in all applications?

A: Direct substitution is valid for applications operating within the SDR1806-470ML specifications. The substitute part supports 2.5 A continuous current versus 2.6 A for the primary part, and operates down to -40°C versus -55°C. Verify application current requirements and temperature range before substitution.

Q: What is the impact of the 9 mOhm increase in DC resistance for the SDR1806-470ML?

A: The SDR1806-470ML exhibits 95 mOhm maximum DC resistance compared to 86 mOhm for the SMP5022-472M, representing approximately 10% higher resistance. This affects power dissipation and thermal performance; applications sensitive to resistive losses should evaluate this parameter against design margins.

Q: Are the physical dimensions compatible for PCB layout?

A: The SDR1806-470ML measures 0.720" L x 0.551" W with 0.272" seated height, compared to 0.750" L x 0.620" W with 0.280" seated height for the SMP5022-472M. The substitute occupies a slightly smaller footprint and height, compatible with existing PCB layouts designed for the primary part.

Q: What compliance certifications apply to each component?

A: Both components carry REACH Unaffected status. The SDR1806-470ML is ROHS3 compliant, while the SMP5022-472M RoHS status is not applicable. Applications requiring RoHS compliance should specify the SDR1806-470ML.

Q: How do saturation current ratings compare?

A: The SMP5022-472M saturates at 5.6 A, while the SDR1806-470ML saturates at 4.6 A. Applications requiring higher saturation margin should retain the primary part or evaluate circuit design for compatibility with the lower saturation threshold.