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Product Detailed Parameters
- Description：MOSFET N-CH 100V 22A TO220-3
- Series：TEMPFET®
- Mfr：Infineon Technologies
- Package：Tube
- FET Type：N-Channel
- Technology：MOSFET (Metal Oxide)
- Drain to Source Voltage (Vdss)：100 V
- Current - Continuous Drain (Id) @ 25°C：22A (Tc)
- Drive Voltage (Max Rds On, Min Rds On)：4.5V
- Rds On (Max) @ Id, Vgs：100mOhm @ 9.5A, 4.5V
- Vgs(th) (Max) @ Id：2.5V @ 1mA
- Gate Charge (Qg) (Max) @ Vgs：-
- Vgs (Max)：±10V
- Input Capacitance (Ciss) (Max) @ Vds：1500 pF @ 25 V
- FET Feature：-
- Power Dissipation (Max)：95W (Tc)
- Operating Temperature：-55°C ~ 150°C (TJ)
- Grade：-
- Qualification：-
- Mounting Type：Through Hole
- Supplier Device Package：PG-TO220-3
- Package / Case：TO-220-3
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Overview
The BTS121ANKSA1 is a logic-level, N-channel enhancement mode power MOSFET featuring an integrated TEMPFET temperature sensor with thyristor characteristics. It provides high continuous drain current of 22 A and low on-state resistance of 0.1 Ω at VGS = 4.5 V. The device supports short-circuit protection up to 68 A and operates within a junction temperature range of -55 °C to +150 °C.
Feature Summary
- Integrated TEMPFET temperature sensor with thyristor characteristic for thermal monitoring
- Logic-level gate drive capability for direct microcontroller interfacing
- High short-circuit robustness with defined ISC limits
Applications
- Automotive load switching applications
- Industrial motor control circuits
- Power distribution systems requiring thermal feedback
Procurement Notes
Verify the specific suffix 'ANKSA1' against official Infineon documentation to confirm package type and tape-and-reel specifications. Ensure compatibility with automotive qualification standards if used in vehicle electronics. Confirm availability through authorized distributors.
Selection Notes
Select this component for applications requiring precise thermal management via the integrated sensor. Consider the 0.1 Ω RDS(on) for efficiency at 4.5 V gate drive. Evaluate thermal resistance values for heatsinking requirements in high-current scenarios.
Part Context
Part of Infineon's TEMPFET series, designed for automotive and industrial environments. Combines power switching with diagnostic capabilities. Suitable for harsh operating conditions due to wide temperature range and robust packaging.
Replacement Considerations
Check for equivalent parts with similar RDS(on), ID ratings, and integrated sensor features. Verify pinout compatibility and thermal performance metrics before substitution.
