SMP3316-102M Equivalent & Substitute Parts

Part Overview

The SMP3316-102M is a 10 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 757 units in current inventory. The SMP3316-102M serves applications requiring fixed inductance values in compact form factors with operating temperature range from -55°C to 125°C. Substitute parts are identified when equivalent inductance values, current ratings, and mounting configurations align within acceptable tolerance specifications for the intended application.

Substiute Parts

SMP3316-102M

Gowanda ElectronicsIn Stock: 855SMP3316-102M Datasheet

Current PartRFQ

SDR1005-100ML

Bourns Inc.In Stock: 4619SDR1005-100ML Datasheet

SimilarRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitute parts for the SMP3316-102M are qualified based on the following critical parameters:

• Inductance Value: Exact match at 10 µH with ±20% tolerance specification
• Current Rating: Minimum 2.9 A acceptable for applications where the SMP3316-102M's 4.4 A rating provides design margin
• DC Resistance: Comparable performance within surface mount inductor category standards
• Mounting Configuration: Surface mount technology required
• Shielding Classification: Unshielded category maintained
• Operating Temperature Range: Minimum -40°C to 125°C acceptable for most industrial applications
• Product Status: Active status ensures ongoing availability and support

The SDR1005-100ML from Bourns Inc. qualifies as a substitute based on matching inductance, surface mount configuration, unshielded design, and active product status. Differences in current rating and DC resistance reflect design variations between molded and drum core wirewound construction methods.

Parameter Comparison

Engineering Selection Recommendations

SMP3316-102M Selection: Choose this part when maximum current handling capacity of 4.4 A is required and operating temperature must extend to -55°C minimum. The lower DC resistance of 26.7 mOhm provides reduced power dissipation in high-current applications. Product status is Active with established supply chain availability.

SDR1005-100ML Selection: Choose this part when current requirements do not exceed 2.9 A and operating temperature range of -40°C to 125°C is acceptable. The SDR1005-100ML offers ROHS3 compliance certification, which may be required for specific regulatory or customer specifications. Product status is Active with higher inventory availability (4524 units).

Both parts maintain identical inductance values, tolerance specifications, and moisture sensitivity ratings. Selection between these parts depends on application-specific current requirements, temperature extremes, and regulatory compliance mandates.

Frequently Asked Questions (FAQ)

Q: Can SDR1005-100ML replace SMP3316-102M in all applications?

A: No. The SDR1005-100ML has a maximum current rating of 2.9 A compared to 4.4 A for the SMP3316-102M. Substitution is valid only when circuit current requirements do not exceed 2.9 A. Additionally, the SDR1005-100ML's minimum operating temperature is -40°C, which may not be suitable for applications requiring -55°C operation.

Q: What is the impact of different DC resistance values?

A: The SMP3316-102M has 26.7 mOhm maximum DC resistance while the SDR1005-100ML has 50 mOhm maximum. Higher DC resistance increases power dissipation and heat generation. In applications with sustained high current, the SMP3316-102M's lower resistance reduces thermal stress on the component and surrounding circuitry.

Q: Are both parts available in the same physical package?

A: Both parts are classified as Nonstandard package types and are surface mount components. Physical dimensions differ slightly: SMP3316-102M measures 0.530" L x 0.420" W x 0.236" H, while SDR1005-100ML measures 0.500" L x 0.394" W x 0.197" H. Verify PCB layout compatibility before substitution.

Q: What does the ±20% tolerance specification mean?

A: Both parts are specified with ±20% inductance tolerance. This means the actual inductance value may vary from 8 µH to 12 µH. Applications requiring tighter inductance control should specify parts with lower tolerance ratings if available.

Q: Does RoHS compliance affect substitution decisions?

A: The SMP3316-102M is marked as Not applicable for RoHS status, while the SDR1005-100ML is ROHS3 compliant. If your application or customer requirements mandate RoHS3 compliance, the SDR1005-100ML is the appropriate selection.

Q: What is Moisture Sensitivity Level 1?

A: MSL 1 (Unlimited) indicates the component has unlimited shelf life and requires no special moisture control during storage or handling. Both parts carry this rating, eliminating moisture-related concerns for either selection.