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BSS138AK-QR is listed in the Single FETs, MOSFETs range at ChipApex. The manufacturer field lists Nexperia USA Inc.. Its product description is MOS DISCRETES. Review the specifications below when checking this part for your BOM.
The BSS138AK-Q is an N-channel enhancement mode Field-Effect Transistor utilizing Trench MOSFET technology in a SOT23 plastic surface-mounted package. It features a drain-source voltage of 60 V and a continuous drain current of 250 mA at 25 °C. The device supports an extended junction temperature range up to 175 °C and includes electrostatic discharge protection rated at 500 V (HBM). Key electrical characteristics include a maximum on-state resistance of 3 Ω at VGS = 10 V and a total gate charge of 0.315 nC.
Verify the specific ordering suffix against the manufacturer's official documentation to confirm packaging configuration, as suffixes determine reel or cut tape formats. Ensure the component meets AEC-Q101 qualification requirements if intended for automotive-grade applications. Cross-reference the marking code J5% with manufacturing site codes during incoming inspection to validate authenticity and traceability.
Select this component when designing circuits requiring logic-level compatibility within a compact SOT23 footprint. The device is suitable for low-current switching tasks where an extended operating temperature range up to 175 °C is necessary. Consider the 60 V breakdown voltage and 250 mA current limits to ensure adequate headroom for the specific load conditions.
This part belongs to Nexperia's BSS138AK series of N-channel Trench MOSFETs. The series utilizes advanced trench technology to achieve fast switching speeds and low on-state resistance. The product family is designed for general-purpose switching applications, offering reliability through AEC-Q101 qualification for automotive environments.
Direct substitutes include the BSS138AKS-Q and BSS138AKRA-Q variants from the same manufacturer, which share similar electrical specifications but may differ in package type or marking codes.
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