TLE49161KHTSA1 Equivalent & Substitute Parts

Part Overview

The TLE49161KHTSA1 is a digital switch latch Hall effect magnetic sensor manufactured by Infineon Technologies, housed in a PG-SC59-3 package (TO-236-3, SC-59, SOT-23-3). This component functions as an open drain output magnetic switch with south pole polarization, designed for applications requiring latching behavior in response to magnetic field transitions. The part is discontinued at DiGi Electronics, necessitating identification of functionally equivalent alternatives from active product lines that maintain compatibility with the original electrical and mechanical specifications.

Key Parameters

Parameter	TLE49161KHTSA1
Function	Latch
Technology	Hall Effect
Polarization	South Pole
Sensing Range	5mT Trip, -5mT Release
Voltage Supply	2.4V ~ 5V
Current Supply (Max)	10µA
Current Output (Max)	2mA
Output Type	Open Drain
Operating Temperature	-40°C ~ 125°C (TJ)
Package / Case	TO-236-3, SC-59, SOT-23-3
RoHS Status	ROHS3 Compliant

Substitute Part Grouping Explanation

Substitution of the TLE49161KHTSA1 is determined by the following critical parameters:

Electrical Compatibility Requirements:

Function: Latch operation (latching behavior required)
Technology: Hall Effect sensor
Polarization: South Pole
Output Type: Open Drain
Sensing Range: 5mT trip threshold with -5mT release threshold
Voltage Supply: Must accommodate 2.4V ~ 5V operating range
Current Output: Must support minimum 2mA output capability

Mechanical Compatibility Requirements:

Package / Case: TO-236-3, SC-59, or SOT-23-3 footprint compatibility
Mounting Type: Surface Mount

Environmental & Compliance Requirements:

Operating Temperature: -40°C ~ 125°C minimum range
RoHS3 Compliance

Substitute parts are grouped based on whether they meet all electrical parameters within the specified ranges, maintain package compatibility, and preserve functional behavior. Parts with different sensing ranges, voltage requirements, or output current limitations are listed as alternatives only when they can operate within the application's actual operating conditions.

Parameter Comparison

Parameter	TLE49161KHTSA1	DRV5013ADQDBZR	A1210ELHLT-T	A1210LLHLT-T	A1212LLHLT-T	A1213LLHLT-T	A1220ELHLT-T	A1220ELHLX-T	A1220LLHLT-T	A1221ELHLT-T	A1221ELHLX-T
Manufacturer	Infineon	Texas Instruments	Allegro	Allegro	Allegro	Allegro	Allegro	Allegro	Allegro	Allegro	Allegro
Function	Latch	Latch	Latch	Latch	Latch	Latch	Latch	Latch	Latch	Latch	Latch
Technology	Hall Effect	Hall Effect	Hall Effect	Hall Effect	Hall Effect	Hall Effect	Hall Effect	Hall Effect	Hall Effect	Hall Effect	Hall Effect
Polarization	South Pole	South Pole	South Pole	South Pole	South Pole	South Pole	South Pole	South Pole	South Pole	South Pole	South Pole
Sensing Range (Trip / Release)	5mT / -5mT	5mT / -5mT	15mT / -15mT	15mT / -15mT	17mT / -17mT	20mT / -20mT	4mT / -4mT	4mT / -4mT	4mT / -4mT	9mT / -9mT	9mT / -9mT
Voltage Supply	2.4V ~ 5V	2.7V ~ 38V	3.8V ~ 24V	3.8V ~ 24V	3.8V ~ 24V	3.8V ~ 24V	3V ~ 24V	3D ~ 24V	3V ~ 24V	3V ~ 24V	3V ~ 24V
Current Supply (Max)	10µA	2.7mA (Typ)	7.5mA	7.5mA	7.5mA	7.5mA	4mA	4mA	4mA	4mA	4mA
Current Output (Max)	2mA	30mA	25mA	25mA	25mA	25mA	25mA	25mA	25mA	25mA	25mA
Output Type	Open Drain	Open Drain	Open Drain	Open Drain	Open Drain	Open Drain	Open Drain	Open Drain	Open Drain	Open Drain	Open Drain
Operating Temperature	-40°C ~ 125°C (TJ)	-40°C ~ 125°C (TA)	-40°C ~ 85°C (TA)	-40°C ~ 150°C (TA)	-40°C ~ 150°C (TA)	-40°C ~ 150°C (TA)	-40°C ~ 85°C (TA)	-40°C ~ 85°C (TA)	-40°C ~ 150°C (TA)	-40°C ~ 85°C (TA)	-40°C ~ 85°C (TA)
Package / Case	TO-236-3, SC-59, SOT-23-3	TO-236-3, SC-59, SOT-23-3	SOT-23W	SOT-23W	SOT-23W	SOT-23W	SOT-23W	SOT-23W	SOT-23W	SOT-23W	SOT-23W
RoHS Status	ROHS3 Compliant	ROHS3 Compliant	ROHS3 Compliant	ROHS3 Compliant	ROHS3 Compliant	ROHS3 Compliant	ROHS3 Compliant	ROHS3 Compliant	ROHS3 Compliant	ROHS3 Compliant	ROHS3 Compliant
Product Status	Discontinued	Active	Active	Active	Active	Active	Active	Active	Active	Active	Active

Engineering Selection Recommendations

Direct Electrical Equivalent (Identical Sensing Range):

DRV5013ADQDBZR from Texas Instruments is the closest electrical equivalent, matching the 5mT trip and -5mT release thresholds of the TLE49161KHTSA1. This part maintains identical latch function, Hall effect technology, south pole polarization, and open drain output. The DRV5013ADQDBZR operates across a wider voltage range (2.7V ~ 38V) and provides higher output current capability (30mA vs. 2mA), making it suitable for applications with higher load requirements. Operating temperature range is -40°C ~ 125°C, matching the original specification. Package compatibility is maintained with TO-236-3, SC-59, SOT-23-3 footprint. Product status is active with high inventory availability (107,100 pcs).

Alternative Sensing Range Options (Allegro MicroSystems A-Series):

The Allegro A1220ELHLT-T, A1220ELHLX-T, and A1220LLHLT-T series offer 4mT trip / -4mT release thresholds with automotive-grade qualification (AEC-Q100). These parts operate within 3V ~ 24V supply range and provide 25mA output current. The A1220LLHLT-T extends operating temperature to -40°C ~ 150°C. Package format is SOT-23W, which differs from the original SC-59 footprint but maintains three-pin surface mount configuration.

The A1221ELHLT-T and A1221ELHLX-T provide 9mT trip / -9mT release thresholds with identical electrical characteristics to the A1220 series, including automotive qualification and extended temperature range options.

The A1210LLHLT-T offers 15mT trip / -15mT release with -40°C ~ 150°C operating temperature. The A1212LLHLT-T and A1213LLHLT-T provide 17mT and 20mT thresholds respectively, also with extended temperature range.

All Allegro alternatives are ROHS3 compliant and currently in active production with substantial inventory levels.

Selection Criteria:

For applications requiring exact sensing threshold match: DRV5013ADQDBZR
For automotive applications with lower sensing thresholds: A1220 series
For extended temperature operation beyond 125°C: A1220LLHLT-T, A1210LLHLT-T, A1212LLHLT-T, A1213LLHLT-T
For higher magnetic field sensitivity requirements: A1210, A1212, A1213 series

Frequently Asked Questions (FAQ)

Q: Can DRV5013ADQDBZR directly replace TLE49161KHTSA1 without circuit modification?

A: DRV5013ADQDBZR is electrically compatible with identical sensing thresholds (5mT trip / -5mT release), latch function, and open drain output. The wider voltage supply range (2.7V ~ 38V vs. 2.4V ~ 5V) and higher output current (30mA vs. 2mA) are backward compatible. Package footprint is identical (TO-236-3, SC-59, SOT-23-3). No circuit modification is required for direct substitution.

Q: Why do Allegro A-series parts have different sensing ranges?

A: The Allegro A1210, A1220, A1221, A1212, and A1213 series are designed for different magnetic field sensitivity requirements. The A1220 series (4mT threshold) is optimized for applications requiring higher sensitivity, while A1210 (15mT) and A1213 (20mT) are for applications requiring lower sensitivity. Selection depends on the specific magnetic field strength in the target application.

Q: Are SOT-23W packages compatible with SC-59 footprints?

A: SOT-23W and SC-59 are distinct package formats. While both are three-pin surface mount packages, they have different pin spacing and land patterns. PCB layout modification is required if substituting SC-59 (TLE49161KHTSA1) with SOT-23W packages (Allegro A-series). DRV5013ADQDBZR maintains SC-59 compatibility without layout changes.

Q: What is the difference between automotive-qualified (AEC-Q100) and non-qualified parts?

A: Allegro A-series parts carry AEC-Q100 automotive qualification, indicating compliance with automotive reliability and environmental stress testing standards. The TLE49161KHTSA1 and DRV5013ADQDBZR do not specify automotive qualification. Selection of AEC-Q100 parts is required for automotive applications; non-qualified parts are suitable for industrial and consumer applications.

Q: Can I use A1210LLHLT-T in place of TLE49161KHTSA1 if my application operates at -40°C to 150°C?

A: A1210LLHLT-T extends operating temperature to -40°C ~ 150°C, exceeding the original -40°C ~ 125°C specification. However, the sensing threshold differs (15mT trip vs. 5mT trip). Substitution is valid only if the application's magnetic field strength is sufficient to trigger the higher 15mT threshold. PCB layout modification is required due to SOT-23W package format.

Q: What inventory considerations apply to these substitutes?

A: DRV5013ADQDBZR has the highest inventory (107,100 pcs), ensuring long-term availability. Allegro A-series parts maintain active production status with inventory ranging from 756 to 18,400 pcs. The original TLE49161KHTSA1 is discontinued with 783 pcs remaining in stock. For new designs, DRV5013ADQDBZR or Allegro A-series are recommended for supply chain continuity.

Request Quote (Ships tomorrow)

Part Number

Quantity

Company

Contact Name

E-mail

Message