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Product Detailed Parameters
- Description：MOSFET N-CH 55V 35A TO220-5-12
- Series：TEMPFET®
- Mfr：Infineon Technologies
- Package：Bulk,Tube
- FET Type：N-Channel
- Technology：MOSFET (Metal Oxide)
- Drain to Source Voltage (Vdss)：55 V
- Current - Continuous Drain (Id) @ 25°C：35A (Tc)
- Drive Voltage (Max Rds On, Min Rds On)：4.5V, 10V
- Rds On (Max) @ Id, Vgs：13mOhm @ 19A, 10V
- Vgs(th) (Max) @ Id：2V @ 130µA
- Gate Charge (Qg) (Max) @ Vgs：130 nC @ 10 V
- Vgs (Max)：±20V
- Input Capacitance (Ciss) (Max) @ Vds：2660 pF @ 25 V
- FET Feature：Temperature Sensing Diode
- Power Dissipation (Max)：170W (Tc)
- Operating Temperature：-40°C ~ 175°C (TJ)
- Grade：Automotive
- Qualification：AEC-Q101
- Mounting Type：Through Hole
- Supplier Device Package：PG-TO220-5-12
- Package / Case：TO-220-5
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Overview
The BTS244ZE3043AKSA2 is a single-channel automotive low-side smart power switch belonging to the TEMPFET family. It features a maximum drain-source voltage of 55 V and a nominal load current of 19 A, with a peak channel rated load current of 26 A. The device exhibits a maximum on-state resistance of 13 mΩ at 150°C and supports a total power dissipation of up to 170 W. It offers an avalanche energy capability of 1650 mJ, with turn-on and turn-off times of 0.13 µs and 0.1 µs respectively. Designed for through-hole mounting in PG-TO220-5-12 packages, it operates within a temperature range of -40°C to 175°C.
Feature Summary
- Integrated temperature sensor enables flexible temperature response control and overtemperature protection.
- High avalanche energy capability ensures robustness against inductive load switching events.
- Fast switching characteristics support high-frequency operation up to 1 MHz.
Applications
- Automotive low-side switching for 12 V and 24 V systems
- Industrial load control applications
- High-current actuator driving
Procurement Notes
Verify the specific suffix E3043 corresponds to the PG-TO220-5-12 through-hole package configuration. Confirm that the component meets AEC-Q100 qualification standards required for your specific automotive application environment. Ensure design compatibility with the latch protection strategy defined in the official datasheet.
Selection Notes
Select this component when a single-channel solution with high current capacity and integrated thermal sensing is required. The TEMPFET series provides basic protection without complex diagnostic interfaces. Consider alternative HITFET families if advanced fault detection or automatic restart capabilities are necessary for the system design.
Part Context
This part belongs to the established TEMPFET family of temperature-protected low-side switches. While widely used for nearly three decades, Infineon indicates this family is not intended for new designs. Engineers should evaluate Classic HITFET or HITFET+ families as modern alternatives for new development projects requiring similar performance profiles.
Replacement Considerations
Infineon recommends transitioning to Classic HITFET or HITFET+ families for new designs. Verify pinout and electrical parameter compatibility before substituting with other manufacturers' equivalents.
