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Diodes Incorporated BSS138-7-F-79

Part No.:: BSS138-7-F-79

Manufacturer:: Diodes Incorporated

Package:: SOT-23-3

Datasheet:

Description:: DIODE

In Stock:: 3000

Quantity:: Add To Cart

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BSS138-7-F-79 Specifications

Packaging:
Bulk
Series:
-
ProductStatus:
Obsolete
FETType:
N-Channel
Technology:
MOSFET (Metal Oxide)
DraintoSourceVoltage(Vdss):
50 V
Current-ContinuousDrain(Id)@25°C:
200mA (Ta)
DriveVoltage(MaxRdsOnMinRdsOn):
10V
RdsOn(Max)@IdVgs:
3.5Ohm @ 220mA, 10V
Vgs(th)(Max)@Id:
1.5V @ 250µA
GateCharge(Qg)(Max)@Vgs:
-
Vgs(Max):
±20V
InputCapacitance(Ciss)(Max)@Vds:
50 pF @ 10 V
FETFeature:
-
PowerDissipation(Max):
300mW (Ta)
OperatingTemperature:
-55°C ~ 150°C (TJ)
MountingType:
Surface Mount

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BSS138-7-F-79 information

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BSS138-7-F-79 Typical application Circuitry

The BSS138-7-F-79 is an N-channel MOSFET (Metal-Oxide-Semiconductor Field-Effect Transistor), primarily utilized for high-speed switching and signal amplification in electronic circuits. The "7-F-79" designation indicates a specific version within the BSS138 series, with "F" typically denoting compliance with RoHS standards (lead-free). N-channel MOSFETs like the BSS138-7-F-79 are known for their efficiency in controlling electrical current, suitable for diverse applications.

Functional Characteristics

Role as N-Channel MOSFET: The BSS138-7-F-79 functions as an N-channel MOSFET, ideal for applications requiring rapid switching and efficient signal processing.

Application Scenarios

In Digital Logic Circuits: Frequently used for controlling logic levels and switching operations in digital electronics.

For Load Switching: Utilized in circuits driving small loads, like LEDs or relays, where precise control is essential.

Key Parameters

Efficient Power Management: The BSS138-7-F-79 exhibits low on-resistance, ensuring efficient power handling and minimal losses.

Rapid Switching Performance: Designed for high-speed switching, making it suitable for dynamic electronic applications.

Circuit Example: Digital Logic Control

Design Objective: Constructing a digital logic control circuit using the BSS138-7-F-79.

Detailed Circuit Configuration

1. Stable Power Source Integration: Begin with a power source appropriate for the digital logic system, such as a 5V DC supply.

2. MOSFET Placement: Connect the drain pin (Pin 1) of the BSS138-7-F-79 to the digital input/output of the logic circuit.

3. Control Signal Setup: Attach a digital control signal (from a microcontroller) to the gate pin (Pin 2). This signal will regulate the logic operation.

4. Source Pin Grounding: Link the source pin (Pin 3) to the common ground of the circuit, completing the electrical path.

5. Output Connection: Interface the drain pin with the target logic component, ensuring efficient signal transmission.

Design Considerations

When designing circuits with the BSS138-7-F-79, focus on these factors:

1. Optimal Gate Voltage: Ensure the gate voltage is suitable for activating the MOSFET without overloading.

2. Thermal Management: Implement heat dissipation if the MOSFET is expected to handle high currents.

3. Signal Integrity: Maintain signal integrity, especially in digital logic applications, for accurate operation.

4. Load Compatibility: Verify that the load's electrical characteristics align with the MOSFET's operational capacity.

5. Circuit Protection: Incorporate protection elements like overcurrent protection for the safety of the MOSFET and connected components.

6. Minimizing Parasitic Effects: Design the layout to reduce parasitic capacitance and inductance, crucial for maintaining high-speed performance.

7. Stable Power Source: Utilize a regulated power supply to prevent fluctuations that could impact MOSFET performance.

8. Environmental Conditions Adaptation: Consider factors like temperature and humidity, which might affect MOSFET efficiency.

In summary, the BSS138-7-F-79 N-channel MOSFET is an efficient component, particularly effective for applications like digital logic control and load switching. Its low on-resistance and fast-switching capabilities make it a valuable choice for modern electronic designs. Key considerations for circuit integration include gate voltage precision, thermal management, signal integrity, and protective measures, ensuring optimal performance and reliability.

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6. What is the process for return or replacement of BSS138-7-F-79?

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(1)Such as a deficiency in quantity, delivery of wrong items, and apparent external defects (breakage and rust, etc.), and we acknowledge such problems.

(2)We are informed of the defect described above within 90 days after the delivery of BSS138-7-F-79.

(3)The PartNo is unused and only in the original unpacked packaging.

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