TLE4905GNTSA1 Equivalent & Substitute Parts

Part Overview

The TLE4905GNTSA1 is a unipolar Hall Effect magnetic switch manufactured by Infineon Technologies, designed for digital switching applications with open collector output. This component operates across a 4V to 18V supply range with a sensing range of 18mT trip and 5mT release thresholds. The part is classified as obsolete, making equivalent substitute components necessary for new designs and ongoing production requirements. Substitute parts must maintain functional compatibility through matching Hall Effect technology, open collector output configuration, and compatible packaging standards.

Substiute Parts

TLE4905GNTSA1

Infineon TechnologiesIn Stock: 1180TLE4905GNTSA1 Datasheet

Current PartRFQ

TLE4906KHTSA1

Infineon TechnologiesIn Stock: 9270TLE4906KHTSA1 Datasheet

DirectRFQ

SS541AT

Honeywell Sensing and Productivity SolutionsIn Stock: 40400SS541AT Datasheet

MFR RecommendedRFQ

SS543AT

Honeywell Sensing and Productivity SolutionsIn Stock: 35407SS543AT Datasheet

MFR RecommendedRFQ

SS549AT

Honeywell Sensing and Productivity SolutionsIn Stock: 1352SS549AT Datasheet

MFR RecommendedRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitution eligibility for the TLE4905GNTSA1 is determined by the following critical parameters:

Core Functional Requirements:

• Technology: Hall Effect digital switch
• Output Type: Open Collector
• Polarization: South Pole
• Function: Unipolar Switch

Electrical Compatibility Parameters:

• Voltage Supply Range: Must encompass or exceed 4V ~ 18V minimum requirement
• Current Output (Max): Must support minimum 100mA requirement
• Sensing Range: Trip and release thresholds must be compatible with application requirements

Physical & Environmental Parameters:

• Mounting Type: Surface Mount
• Package Compatibility: TO-243AA or equivalent footprint
• Operating Temperature: Must support -40°C minimum and 125°C minimum upper range
• Moisture Sensitivity Level: MSL 1 (Unlimited)

The substitute parts listed below meet these criteria through equivalent Hall Effect technology, open collector output architecture, and compatible thermal and electrical specifications.

Parameter Comparison

Engineering Selection Recommendations

TLE4906KHTSA1 (Infineon Technologies) This substitute maintains Infineon manufacturer continuity with active product status. It provides extended operating temperature range (-40°C to 150°C) and improved voltage supply floor (2.7V). However, the output current maximum of 20mA is below the original 100mA specification, and the package transitions from TO-243AA to SC-59/SOT-23-3 footprint, requiring PCB layout modification. ROHS3 compliance is confirmed.

SS541AT (Honeywell Sensing and Productivity Solutions) This part offers the lowest trip threshold (11.5mT) among substitutes with extended voltage range (3.8V ~ 30V) and active product status. Output current maximum of 50mA remains below the original specification. Package compatibility with TO-243AA variant is maintained. ROHS3 compliance is confirmed. Automotive qualification through AEC-Q100 is available.

SS543AT (Honeywell Sensing and Productivity Solutions) This substitute matches the original 18mT trip threshold exactly, providing direct sensing range compatibility. Voltage supply range extends to 30V maximum with 50mA output current maximum. Package maintains TO-243AA variant compatibility. Active product status and ROHS3 compliance are confirmed.

SS549AT (Honeywell Sensing and Productivity Solutions) This part features the highest sensing range (39mT trip, 23.5mT release) and is suitable only for applications requiring higher magnetic field thresholds. Output current maximum of 50mA and TO-243AA variant package compatibility are maintained. Active product status and RoHS compliance are confirmed.

Frequently Asked Questions (FAQ)

Q: Can TLE4906KHTSA1 directly replace TLE4905GNTSA1 on existing PCBs? A: Package footprint differs. TLE4906KHTSA1 uses SC-59/SOT-23-3 while TLE4905GNTSA1 uses TO-243AA. PCB layout modification is required. Additionally, output current maximum of 20mA may be insufficient for applications requiring the original 100mA specification.

Q: Which substitute provides the closest electrical match to TLE4905GNTSA1? A: SS543AT matches the 18mT trip threshold exactly and maintains TO-243AA variant package compatibility. However, output current maximum of 50mA remains below the original 100mA specification.

Q: Are all substitute parts RoHS compliant? A: Yes. TLE4906KHTSA1, SS541AT, and SS543AT are ROHS3 compliant. SS549AT is RoHS compliant. All parts meet REACH requirements.

Q: What is the primary limitation when substituting these parts? A: Output current maximum specifications are reduced across all substitutes. TLE4906KHTSA1 provides 20mA, while Honeywell parts (SS541AT, SS543AT, SS549AT) provide 50mA maximum, compared to the original 100mA. Application current requirements must be evaluated against these reduced specifications.

Q: Can Honeywell SS5 series parts be used interchangeably? A: No. SS541AT, SS543AT, and SS549AT have different sensing range thresholds (11.5mT, 18mT, and 39mT trip respectively). Selection must be based on specific application magnetic field requirements.

Q: What is the temperature rating difference between substitutes? A: TLE4905GNTSA1 operates to 125°C (TJ). All substitutes extend to 150°C (TJ or TA), providing improved thermal margin for high-temperature applications.

Q: Are package variants electrically equivalent? A: Yes. TO-243AA and TO-243AA variants are electrically equivalent. However, SC-59/SOT-23-3 (TLE4906KHTSA1) requires PCB footprint redesign and may have different thermal characteristics.