TLE4976-1H Equivalent & Substitute Parts

Part Overview

The TLE4976-1H is a unipolar magnetic switch utilizing Hall Effect technology, manufactured by Infineon Technologies. This component functions as a digital switch with open collector output, designed for applications requiring magnetic field detection with south pole polarization. The device is classified as obsolete, making identification of functionally equivalent alternatives essential for ongoing system support, design updates, and procurement continuity. The TLE4976-1H operates across a wide temperature range (-40°C to 150°C) with supply voltage flexibility (3V to 18V), typical of industrial and automotive magnetic sensing applications.

Substiute Parts

TLE4976-1H

Infineon TechnologiesIn Stock: 929TLE4976-1H Datasheet

Current PartRFQ

TLE49761KHTSA1

Ampleon USA Inc.In Stock: 276546TLE49761KHTSA1 Datasheet

DirectRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitution of the TLE4976-1H is determined by alignment of the following critical parameters:

• Function & Technology: Unipolar magnetic switch with Hall Effect sensing technology
• Polarization: South pole detection capability
• Sensing Threshold: Trip point at 11mT with release at 5mT
• Output Configuration: Open collector output topology
• Electrical Specifications: Supply voltage range 3V to 18V; maximum supply current 17mA
• Operating Temperature Range: -40°C to 150°C
• Package Compatibility: Surface mount in TO-236-3 / SC-59 / SOT-23-3 form factor

The identified substitute part TLE49761KHTSA1 maintains functional equivalence within these parameters, enabling direct replacement in circuit designs where the TLE4976-1H is specified.

Parameter Comparison

Engineering Selection Recommendations

The TLE4976-1H is classified as obsolete, necessitating transition to active alternatives for new designs and ongoing procurement. The TLE49761KHTSA1, manufactured by Ampleon USA Inc., maintains active product status and is available in high volume (276,436 pieces in stock), ensuring supply chain continuity.

Selection of TLE49761KHTSA1 as a substitute is supported by:

• Shared Hall Effect magnetic sensing technology
• Digital switch functionality aligned with the original unipolar switch operation
• Active manufacturing status providing long-term availability and support
• Bulk packaging availability suitable for production environments

For applications where the TLE4976-1H is currently deployed, transition to TLE49761KHTSA1 is technically justified based on functional equivalence within the specified parameter set.

Frequently Asked Questions (FAQ)

Q: Can TLE49761KHTSA1 directly replace TLE4976-1H in existing designs?

A: Yes, TLE49761KHTSA1 provides functional equivalence as a Hall Effect-based digital magnetic switch. Both components operate within the same technology category and output configuration, supporting direct substitution in circuit applications designed for the TLE4976-1H.

Q: Why is the TLE4976-1H listed as obsolete?

A: Obsolete status indicates the component is no longer manufactured by Infineon Technologies. Transition to active alternatives such as TLE49761KHTSA1 is necessary for new designs and long-term system support.

Q: What are the key parameters that determine substitution compatibility?

A: Substitution compatibility is determined by: Hall Effect technology, unipolar/digital switch function, south pole polarization, 11mT trip / 5mT release sensing thresholds, open collector / digital output configuration, 3V to 18V supply voltage range, 17mA maximum supply current, -40°C to 150°C operating temperature, and surface mount packaging in TO-236-3 / SC-59 / SOT-23-3 form factor.

Q: Is TLE49761KHTSA1 available in the same package as TLE4976-1H?

A: Both components are surface mount magnetic sensors. TLE49761KHTSA1 is supplied in bulk packaging. Confirm package compatibility (TO-236-3 / SC-59 / SOT-23-3) with the component supplier prior to procurement.

Q: What is the supply status of TLE49761KHTSA1?

A: TLE49761KHTSA1 maintains active product status with 276,436 pieces currently in stock, ensuring reliable availability for production and replacement applications.