BSP149L6327HTSA1

Single FETs, MOSFETs Overview

The BSP149L6327HTSA1 is an N-channel depletion mode MOSFET from the SIPMOS series, housed in a PG-SOT223-4 surface-mount package. It features a maximum drain-source voltage of 200 V and a continuous drain current of 0.66 A at 25 °C. The device exhibits a typical gate threshold voltage of -1.4 V with sorted bands (J through N) for precision control. Key electrical parameters include a maximum on-state resistance of 3.5 Ω at VGS=0 V and a total gate charge of 11 nC. It supports high dv/dt ratings up to 6 kV/µs and operates within a junction temperature range of -55 °C to 150 °C.

Single FETs, MOSFETs Feature Summary

• Depletion mode operation providing normally-on characteristics suitable for constant current sources
• High dv/dt rating capability for robust switching performance
• Threshold voltage sorting into specific bands for precise application matching
• Automotive qualification compliant with AEC-Q101 standards

Single FETs, MOSFETs Applications

• Switching applications requiring normally-on behavior
• Constant current source circuits
• Automotive electronics systems

Single FETs, MOSFETs Procurement Notes

Verify the specific threshold voltage band letter printed on the reel label matches design requirements, as the component is supplied sorted by VGS(th) ranges. Confirm the H6327 packaging suffix indicates non-dry packing conditions. Ensure compatibility with the PG-SOT223 footprint during PCB layout verification.

Single FETs, MOSFETs Selection Notes

Select this component when a normally-on N-channel configuration is required with a 200 V breakdown voltage. Consider the sorted threshold voltage bands if tight control over the turn-off point is necessary. Evaluate thermal management needs based on the 1.8 W power dissipation limit and the specified thermal resistance values for the chosen PCB cooling area.

Single FETs, MOSFETs Part Context

This part belongs to Infineon's SIPMOS small-signal transistor family, designed for compact designs and high-frequency switching. The BSP149 variant specifically targets applications needing reliable depletion mode performance in automotive and industrial environments, offering a balance of voltage handling and current capacity in a standard SMD package.

Single FETs, MOSFETs Replacement Considerations

Direct substitutes are not explicitly listed in the provided documentation. Verify pinout compatibility and electrical parameter margins before considering alternative depletion mode MOSFETs from other manufacturers.

Single FETs, MOSFETs FAQ

What does the sorting letter on the reel indicate?

The sorting letter (J, K, L, M, or N) indicates the specific threshold voltage band of the transistors on that reel, allowing for precise selection based on circuit requirements.

Is the BSP149 qualified for automotive use?

Yes, the BSP149 is qualified according to the AEC-Q101 standard for automotive applications.