BSS126H6906XTSA1

Single FETs, MOSFETs Overview

The BSS126H6906XTSA1 is an N-channel depletion mode MOSFET from Infineon's SIPMOS series, housed in a PG-SOT-23 package. It features a drain-source breakdown voltage of 600 V and a continuous drain current of 21 mA at 25 °C. The device has a maximum on-state resistance of 700 Ω at VGS=0 V and 500 Ω at VGS=10 V. Gate threshold voltage is sorted into specific bands (J through N) for the H6906 suffix, with typical values ranging from -1.8 V to -2.4 V. Power dissipation is rated at 500 mW, and it operates within a temperature range of -55 °C to +150 °C.

Single FETs, MOSFETs Feature Summary

• Depletion mode operation suitable for high-side switching applications
• High dv/dt rating of 6 kV/µs for fast switching environments
• AEC-Q101 qualified for automotive reliability standards
• Gate threshold voltage sorted into defined bands for precision matching

Single FETs, MOSFETs Applications

• High-side load switches
• Automotive electronics circuits
• Fast switching power supplies
• Data processing systems

Single FETs, MOSFETs Procurement Notes

Verify the ordering suffix H6906 indicates VGS(th) sorting on the reel label. Confirm RoHS compliance and halogen-free status per IEC61249-2-21. Check datasheet revision for updated thermal characteristics and ensure the specific threshold band matches design requirements as individual bands cannot be ordered separately.

Single FETs, MOSFETs Selection Notes

Select this component for high-voltage, low-current depletion mode applications requiring automotive qualification. The H6906 suffix provides sorted threshold voltages for consistent performance across batches. Ensure circuit designs account for the relatively high on-state resistance compared to enhancement-mode devices. Verify thermal management capabilities given the 500 mW power dissipation limit in the SOT-23 package.

Single FETs, MOSFETs Part Context

This part belongs to Infineon's SIPMOS small-signal transistor family, designed for robust performance in demanding environments. The BSS126 series is widely used in automotive and industrial applications where depletion mode functionality is required. The H6906 variant specifically offers sorted gate threshold voltages to facilitate precise circuit tuning and matching in sensitive analog or switching applications.

Single FETs, MOSFETs Replacement Considerations

No direct public substitute part numbers are confirmed in the provided documentation. Designers should evaluate other N-channel depletion MOSFETs with similar 600 V ratings and SOT-23 packaging, ensuring compatibility with threshold voltage sorting and automotive qualification requirements.

Single FETs, MOSFETs FAQ

What does the H6906 suffix indicate?

The H6906 suffix indicates that the transistors are sorted into specific gate threshold voltage (VGS(th)) bands (J, K, L, M, N) on the reel.

Is the BSS126H6906XTSA1 suitable for automotive applications?

Yes, the device is qualified according to AEC-Q101 standards, making it suitable for automotive electronics.

What is the maximum dv/dt rating?

The device is rated for a reverse diode dv/dt of 6 kV/µs under specified test conditions.