AX97-20102 Equivalent & Substitute Parts

Part Overview

The AX97-20102 is a 1 mH unshielded drum core wirewound inductor manufactured by Triad Magnetics, designed for surface mount applications with a maximum current rating of 50 mA and 6 Ohm DC resistance. This component is classified as Active product status with full RoHS3 compliance and operates across the temperature range of -40°C to 85°C. Substitute parts are identified when equivalent inductance values and core materials are required but alternative electrical performance characteristics or packaging formats better suit specific application requirements.

Substiute Parts

AX97-20102

Triad MagneticsIn Stock: 967AX97-20102 Datasheet

Current PartRFQ

SRR1005-102K

Bourns Inc.In Stock: 15193SRR1005-102K Datasheet

SimilarRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitution of the AX97-20102 is based on the following critical parameters that must remain constant or compatible:

Fixed Parameters (Must Match):

• Inductance: 1 mH
• Core Material: Ferrite
• Type: Drum Core, Wirewound
• Mounting Type: Surface Mount
• RoHS3 Compliance: Required

Variable Parameters (Allowable Differences):

• Current Rating: Substitute parts may exceed the 50 mA specification
• DC Resistance: Substitute parts may have lower DCR values
• Shielding: Substitute parts may include shielding when not present in original
• Tolerance: Substitute parts may have tighter tolerance specifications
• Operating Temperature: Substitute parts may have extended temperature ranges
• Packaging Format: Substitute parts may differ in tape & reel versus box packaging

The SRR1005-102K from Bourns Inc. qualifies as a substitute because it maintains the 1 mH inductance value, ferrite drum core construction, wirewound type, and surface mount configuration while offering enhanced electrical performance characteristics.

Parameter Comparison

Engineering Selection Recommendations

Both the AX97-20102 and SRR1005-102K are Active product status components with full RoHS3 compliance and REACH unaffected status, ensuring regulatory compliance for current and future applications.

The AX97-20102 is selected when the application requires an unshielded inductor configuration with the specified 50 mA current rating and 6 Ohm maximum DC resistance within the -40°C to 85°C operating window.

The SRR1005-102K is selected when the application benefits from enhanced electrical performance including higher current handling capacity (220 mA), lower DC resistance (3.2 Ohm), tighter inductance tolerance (±10%), extended operating temperature range (-40°C to 125°C), and shielded construction to minimize electromagnetic interference. The SRR1005-102K is supplied in Tape & Reel format, suitable for automated assembly processes.

Both components maintain identical 1 mH inductance specifications and ferrite drum core wirewound construction, ensuring functional equivalence at the core inductance level.

Frequently Asked Questions (FAQ)

Q: Can the SRR1005-102K directly replace the AX97-20102 in all applications?

A: The SRR1005-102K maintains the same 1 mH inductance and ferrite drum core wirewound type. However, the substitute part features shielding, lower DC resistance, higher current rating, and extended temperature range. Applications operating below 50 mA with unshielded requirements should confirm that the shielded construction and lower DCR do not introduce unintended circuit behavior.

Q: What are the key differences between these two inductors?

A: The primary differences are: (1) Shielding—AX97-20102 is unshielded while SRR1005-102K is shielded; (2) Current Rating—AX97-20102 rated at 50 mA versus SRR1005-102K at 220 mA; (3) DC Resistance—AX97-20102 has 6 Ohm maximum versus SRR1005-102K at 3.2 Ohm maximum; (4) Inductance Tolerance—AX97-20102 at ±20% versus SRR1005-102K at ±10%; (5) Operating Temperature—AX97-20102 from -40°C to 85°C versus SRR1005-102K from -40°C to 125°C; (6) Packaging—AX97-20102 supplied in Box versus SRR1005-102K in Tape & Reel format.

Q: Are both parts RoHS3 compliant?

A: Yes, both the AX97-20102 and SRR1005-102K are ROHS3 compliant and REACH unaffected, meeting current environmental and regulatory requirements.

Q: What is the impact of the shielded versus unshielded construction?

A: The AX97-20102 is unshielded, allowing magnetic field radiation. The SRR1005-102K is shielded, containing the magnetic field to reduce electromagnetic interference with adjacent components. Shielded construction is beneficial in noise-sensitive circuits but may not be necessary in all applications.

Q: How do the DC resistance values affect circuit performance?

A: The AX97-20102 has a maximum DC resistance of 6 Ohm, while the SRR1005-102K has 3.2 Ohm maximum. Lower DC resistance reduces power dissipation and heat generation. In low-current applications (50 mA), the 6 Ohm resistance of the AX97-20102 dissipates 15 mW at maximum current. The SRR1005-102K at 3.2 Ohm dissipates 15.68 mW at its 220 mA rating, demonstrating improved efficiency at higher current levels.

Q: What packaging considerations apply to these parts?

A: The AX97-20102 is supplied in Box packaging, suitable for manual assembly or small-volume production. The SRR1005-102K is supplied in Tape & Reel format, optimized for automated pick-and-place assembly in high-volume manufacturing environments.

Q: Can the SRR1005-102K be used in applications requiring the full -40°C to 125°C temperature range?

A: Yes, the SRR1005-102K is rated for -40°C to 125°C operation. The AX97-20102 is limited to -40°C to 85°C. Applications requiring operation above 85°C must use the SRR1005-102K or equivalent parts with extended temperature specifications.