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Product Detailed Parameters
- Description：MOSFET N-CH 55V 35A TO220-5-3
- Series：TEMPFET®
- Mfr：Infineon Technologies
- Package：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-TO220-5-3
- Package / Case：TO-220-5 Formed Leads
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Overview
The BTS244ZNKSA1 is an automotive-grade, N-channel enhancement mode logic-level power switch from Infineon's Speed TEMPFET family. It integrates a vertical power FET with potential-free thyristor temperature sensing and overtemperature protection. Rated for 55 V drain-source voltage, it supports nominal load currents of 19 A at 4.5 V gate drive and 26 A at 10 V. The device features fast switching up to 1 MHz, avalanche energy capability of 1.65 J, and operates within a junction temperature range of -40 °C to +175 °C.
Feature Summary
- Integrates a potential-free temperature sensor with thyristor characteristics for direct thermal monitoring
- Provides built-in overtemperature protection with automatic thermal trip functionality
- Capable of handling high avalanche energy loads without failure
- Supports analog driving signals and fast switching frequencies up to 1 MHz
Applications
- Automotive low-side power distribution
- High-current lighting control systems
- Motor driver circuits in vehicle body electronics
- General purpose automotive load switching
Procurement Notes
Verify the specific ordering suffix against official Infineon documentation to confirm package type and RoHS compliance status. Ensure the component meets AEC-Q101 qualification requirements for your target automotive application. Cross-reference the datasheet revision history to confirm the presence of updated package outlines and environmental statements before finalizing procurement specifications.
Selection Notes
Select this component when high current capacity and integrated thermal protection are required in a single package. The logic-level input allows direct interfacing with standard microcontrollers or drivers. Consider the PG-TO220-5 package constraints for thermal management and PCB footprint availability. Evaluate the 55 V rating against system transients to ensure adequate safety margins during operation.
Part Context
This part belongs to Infineon's Speed TEMPFET series, designed specifically for robust automotive environments. It combines power switching capabilities with advanced diagnostic features typically found in smart power switches. The technology enables simplified circuit designs by eliminating external temperature sensing components while maintaining high reliability standards.
Replacement Considerations
Consult official Infineon cross-reference guides for verified substitutes. Ensure any replacement maintains equivalent avalanche ratings and thermal trip characteristics. Verify that alternative packages match the required pinout configuration for PG-TO220-5 mounting.
