AX104R-101 Equivalent & Substitute Parts

Part Overview

The AX104R-101 is a 100 µH shielded drum core wirewound inductor manufactured by Triad Magnetics, rated for 1.35 A continuous current with a maximum DC resistance of 304mOhm. This surface mount component operates across the temperature range of -40°C to 85°C and is ROHS3 compliant. The part is currently active in production with 997 pieces available in new original stock.

Substitute parts are identified when equivalent electrical performance can be maintained within the specified parameter tolerances while accommodating different packaging, inventory availability, or operational requirements.

Substiute Parts

AX104R-101

Triad MagneticsIn Stock: 1101AX104R-101 Datasheet

Current PartRFQ

SRU1048-101Y

Bourns Inc.In Stock: 1532SRU1048-101Y Datasheet

SimilarRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitution eligibility for the AX104R-101 is determined by the following critical parameters:

Electrical Equivalence Criteria:

• Inductance value of 100 µH at 100 kHz test frequency
• Inductance tolerance of ±30%
• Current rating sufficient to support 1.35 A operation
• DC resistance within acceptable limits for the application
• Ferrite core material with shielding

Mechanical Compatibility Criteria:

• Surface mount package configuration
• Nonstandard case size compatible with PCB footprint requirements

Compliance Requirements:

• ROHS3 compliance
• REACH unaffected status
• Operating temperature range supporting -40°C to 85°C minimum

The SRU1048-101Y from Bourns Inc. meets these substitution criteria with equivalent inductance and core construction, though with different current rating and DC resistance specifications.

Parameter Comparison

Engineering Selection Recommendations

AX104R-101 Selection Criteria:

• Primary choice when current rating of 1.35 A is required
• Applications requiring maximum DC resistance tolerance of 304 mOhm
• Operating temperature limited to 85°C maximum
• Box packaging preferred for manual assembly or low-volume production
• Inventory availability of 997 pieces supports immediate deployment

SRU1048-101Y Selection Criteria:

• Suitable for applications with current requirements of 1.2 A or less
• Lower DC resistance of 160 mOhm provides reduced power dissipation
• Extended operating temperature range to 125°C accommodates higher thermal environments
• Tape & Reel packaging supports automated assembly processes
• Higher inventory availability of 1480 pieces
• Smaller footprint (10.00mm x 10.00mm) may accommodate space-constrained layouts
• Increased height of 5.10mm requires PCB clearance verification

Both parts maintain ROHS3 compliance and REACH unaffected status, ensuring regulatory compatibility across manufacturing jurisdictions.

Frequently Asked Questions (FAQ)

Q: Can SRU1048-101Y replace AX104R-101 in all applications?

A: Substitution is valid only when the application current requirement does not exceed 1.2 A. The SRU1048-101Y is rated for 1.2 A maximum, compared to the AX104R-101 at 1.35 A. If the circuit requires the full 1.35 A rating, the AX104R-101 must be used.

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

A: The AX104R-101 has 304 mOhm maximum DC resistance, while the SRU1048-101Y has 160 mOhm. Lower DC resistance reduces power dissipation and heat generation. Applications sensitive to inductor losses should account for this 144 mOhm difference in thermal calculations.

Q: Are the physical dimensions compatible?

A: The parts have different footprints. The AX104R-101 measures 10.40mm x 10.30mm with 4.00mm height, while the SRU1048-101Y measures 10.00mm x 10.00mm with 5.10mm height. PCB layout and clearance requirements must be verified before substitution.

Q: What packaging differences exist?

A: The AX104R-101 is supplied in Box packaging, suitable for manual handling and low-volume assembly. The SRU1048-101Y is supplied in Tape & Reel format, optimized for automated pick-and-place assembly equipment.

Q: Do both parts support the same temperature range?

A: The AX104R-101 operates from -40°C to 85°C, while the SRU1048-101Y operates from -40°C to 125°C. Applications requiring operation above 85°C must use the SRU1048-101Y. Applications limited to 85°C or below can use either part.

Q: Are regulatory certifications equivalent?

A: Both parts are ROHS3 compliant and REACH unaffected. Regulatory requirements are satisfied by either component in jurisdictions requiring these certifications.