Overview
The BSS138DWK-7, produced by Diodes Incorporated, is a 50V N-Channel Enhancement Mode MOSFET designed for high-efficiency power-management applications. This MOSFET is optimized to minimize on-state resistance (RDS(ON)) while maintaining superior switching performance. It is packaged in a SOT23 case, making it suitable for a variety of compact electronic designs. The device is fully RoHS compliant, halogen and antimony free, and qualified to JEDEC standards for high reliability, including AEC-Q101 standards for automotive applications.
Key Specifications
| Characteristic | Symbol | Value | Unit | Test Condition |
|---|---|---|---|---|
| Drain-Source Voltage | VDSS | 50 | V | VGS = 0V, ID = 250µA |
| Gate-Source Voltage (Continuous) | VGSS | ±20 | V | |
| Continuous Drain Current | ID | 200 | mA | |
| Pulsed Drain Current (10µs Pulse Duty Cycle = 1%) | IDM | 1 | A | |
| Gate Threshold Voltage | VGS(TH) | 0.5 - 1.5 | V | VDS = VGS, ID = 250µA |
| Static Drain-Source On-Resistance | RDS(ON) | 1.4 - 3.5 | Ω | VGS = 10V, ID = 0.22A |
| Power Dissipation | PD | 300 | mW | |
| Thermal Resistance, Junction to Ambient | RθJA | 417 | °C/W | |
| Operating and Storage Temperature Range | TJ, TSTG | -55 to +150 | °C |
Key Features
- Low On-Resistance: The BSS138DWK-7 features a low RDS(ON) of up to 3.5Ω at VGS = 10V, enhancing efficiency in power management applications.
- Low Gate Threshold Voltage: With a gate threshold voltage range of 0.5 to 1.5V, this MOSFET is easy to switch on and off.
- Low Input Capacitance: The device has low input capacitance, which contributes to fast switching speeds.
- Fast Switching Speed: It offers fast switching times, making it suitable for high-frequency applications.
- Low Input/Output Leakage: Minimal leakage current ensures low power consumption in standby modes.
- Environmentally Friendly: The MOSFET is totally lead-free, fully RoHS compliant, and halogen and antimony free, making it a “green” device.
- High Reliability: Qualified to JEDEC standards and AEC-Q101 for automotive applications, ensuring high reliability in various environments.
Applications
- Power Management: Ideal for high-efficiency power-management applications due to its low on-resistance and fast switching speed.
- Systems/Load Switches: Suitable for use in systems and load switches where efficient power handling is critical.
- Automotive Systems: With its AEC-Q101 qualification, it is suitable for use in automotive systems that require high reliability and robust performance.
Q & A
- What is the maximum drain-source voltage (VDSS) of the BSS138DWK-7?
The maximum drain-source voltage (VDSS) is 50V.
- What is the continuous drain current (ID) rating of this MOSFET?
The continuous drain current (ID) is 200mA.
- What is the typical on-resistance (RDS(ON)) of the BSS138DWK-7?
The typical on-resistance (RDS(ON)) is 1.4 to 3.5Ω at VGS = 10V.
- Is the BSS138DWK-7 RoHS compliant?
Yes, the BSS138DWK-7 is fully RoHS compliant, halogen and antimony free, and lead-free.
- What is the operating temperature range of the BSS138DWK-7?
The operating and storage temperature range is -55 to +150°C.
- What package type is the BSS138DWK-7 available in?
The BSS138DWK-7 is available in a SOT23 package.
- What are some typical applications for the BSS138DWK-7?
Typical applications include power management, systems/load switches, and automotive systems.
- What is the gate threshold voltage range of the BSS138DWK-7?
The gate threshold voltage range is 0.5 to 1.5V.
- Is the BSS138DWK-7 qualified for automotive use?
Yes, it is qualified to AEC-Q101 standards for high reliability in automotive applications.
- What is the thermal resistance from junction to ambient (RθJA) of the BSS138DWK-7?
The thermal resistance from junction to ambient (RθJA) is 417°C/W.
