BSS138AKA/LF1R

Single FETs, MOSFETs Overview

The BSS138AKA/LF1R is a single N-channel Trench MOSFET in a SOT23 (TO-236AB) package. It features a drain-source voltage of 60 V and a continuous drain current of 200 mA at 25 °C. The device utilizes Trench technology for fast switching and low threshold voltage. Key electrical parameters include a maximum on-state resistance of 4.5 Ω at VGS=10 V, ID=100 mA, and 25 °C. Gate-source voltage limits are ±20 V. The component is AEC-Q101 qualified.

Single FETs, MOSFETs Feature Summary

• Very fast switching capability enabled by Trench MOSFET technology
• Low gate-source threshold voltage for efficient drive requirements
• Integrated electrostatic discharge protection
• Qualified for automotive applications under AEC-Q101 standards

Single FETs, MOSFETs Applications

• Relay driver circuits
• High-speed line drivers
• Low-side load switches
• General switching circuits

Single FETs, MOSFETs Procurement Notes

Verify the specific suffix LF1R against official Nexperia ordering lists to confirm reel packaging specifications. Ensure the requested part matches the BSS138AKA product data sheet version v.4 dated February 2, 2024. Confirm that the marking code JL corresponds to the intended manufacturing site. Validate AEC-Q101 qualification status if automotive usage is required.

Single FETs, MOSFETs Selection Notes

Select this component for low-current switching tasks requiring high speed and small footprint. The 60 V rating suits standard logic-level interfaces. Consider the 200 mA continuous current limit when designing thermal management. The SOT23 package is suitable for space-constrained surface-mount designs. Verify gate charge requirements against the driving circuit capabilities.

Single FETs, MOSFETs Part Context

This device belongs to the Nexperia BSS138 series of N-channel enhancement mode Field-Effect Transistors. It employs Trench MOSFET technology within a compact SOT23 plastic surface-mounted package. The series is designed for general-purpose switching applications where low on-resistance and fast switching speeds are prioritized over high power handling.

Single FETs, MOSFETs Replacement Considerations

Direct substitutes include other BSS138 variants from Nexperia or equivalent N-channel MOSFETs with matching 60 V ratings and SOT23 packages. Verify pinout compatibility and ensure on-state resistance and threshold voltage specifications meet the original design constraints before substitution.