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Product Detailed Parameters
- Description：N-CHANNEL MOSFET,SOT-23
- Series：-
- Mfr：MCC (Micro Commercial Components)
- Package：Tape & Reel (TR)
- FET Type：N-Channel
- Technology：MOSFET (Metal Oxide)
- Drain to Source Voltage (Vdss)：50 V
- Current - Continuous Drain (Id) @ 25°C：300mA (Ta)
- Drive Voltage (Max Rds On, Min Rds On)：4.5V, 10V
- Rds On (Max) @ Id, Vgs：2.5Ohm @ 300mA, 10V
- Vgs(th) (Max) @ Id：1.6V @ 250µA
- Gate Charge (Qg) (Max) @ Vgs：0.8 nC @ 10 V
- Vgs (Max)：±20V
- Input Capacitance (Ciss) (Max) @ Vds：15 pF @ 25 V
- FET Feature：-
- Power Dissipation (Max)：700mW (Tj)
- Operating Temperature：-55°C ~ 150°C (TJ)
- Grade：-
- Qualification：-
- Mounting Type：Surface Mount
- Supplier Device Package：SOT-23
- Package / Case：TO-236-3, SC-59, SOT-23-3
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Overview
The BSS138KS-TP is an N-channel enhancement mode MOSFET manufactured by Micro Commercial Components (MCC). It utilizes silicon technology and is housed in a SOT-23 surface-mount package. The device features a drain-source breakdown voltage of 50 V and a continuous drain current of 300 mA. Its on-resistance is specified at 2.5 Ohms, with a gate-source threshold voltage of 1.6 V. The component supports a maximum power dissipation of 700 mW and operates within a temperature range from -55 C to +150 C.
Feature Summary
- N-channel enhancement mode configuration for switching applications
- Silicon-based construction ensuring rugged reliability
- Compact SOT-23 surface-mount package design
Applications
- Low current servo motor control circuits
- Power MOSFET gate driver stages
- General purpose switching applications
Procurement Notes
Verify the specific suffix KS against official MCC documentation to confirm package type and electrical tolerances. Ensure compatibility with SMD/SMT assembly processes. Confirm RoHS compliance status through the manufacturer's datasheet or certification documents before finalizing procurement specifications.
Selection Notes
Select this component when a small-signal N-channel MOSFET with 50 V rating and 300 mA capability is required. The SOT-23 package suits space-constrained designs. Verify that the 2.5 Ohm on-resistance meets circuit efficiency requirements and that the 700 mW power dissipation aligns with thermal management capabilities.
Part Context
This part belongs to the BSS138 family of N-channel MOSFETs produced by Micro Commercial Components. These devices are standard small-signal transistors designed for general-purpose switching. The KS suffix indicates a specific variant within the MCC portfolio, distinguished by its packaging and precise electrical characteristics compared to other BSS138 derivatives.
Replacement Considerations
Cross-reference with BSS138 variants from other manufacturers such as Diodes Incorporated or UMW. Verify pinout compatibility and ensure equivalent ratings for Vds, Id, and Rds(on) before substitution.
