Overview
The BSS138W-7-F is a dual N-channel enhancement mode field effect transistor (MOSFET) manufactured by Diodes Incorporated. This component is designed to offer low on-state resistance, low gate threshold voltage, and fast switching speeds, making it ideal for high-efficiency power management applications. The BSS138W-7-F is packaged in a SOT-323 (SC-70) surface mount package and is fully RoHS compliant, halogen- and antimony-free, and lead-free.
Key Specifications
| Attribute | Value | Unit |
|---|---|---|
| FET Type | N-Ch | |
| No of Channels | 1 | |
| Drain-to-Source Voltage (Vdss) | 50 | V |
| Drain-Source On Resistance-Max (RDS(ON)) | 3.5 | Ω |
| Rated Power Dissipation (PD) | 200 | mW |
| Gate-Source Voltage-Max (Vgss) | ±20 | V |
| Drain Current (ID) | 200 | mA |
| Turn-on Delay Time (tD(ON)) | 20 | ns |
| Turn-off Delay Time (tD(OFF)) | 20 | ns |
| Operating Temp Range | -55°C to +150°C | |
| Gate Source Threshold (VGS(TH)) | 1.2 | V |
| Input Capacitance (Ciss) | 50 | pF |
| Package Style | SOT-323 (SC-70) | |
| Mounting Method | Surface Mount |
Key Features
- Low On-Resistance: The BSS138W-7-F features a low drain-source on-resistance (RDS(ON)) of 3.5Ω, enhancing efficiency in power management applications.
- Low Gate Threshold Voltage: With a gate-source threshold voltage (VGS(TH)) of 1.2V, this MOSFET is easy to switch on and off.
- Low Input Capacitance: The input capacitance (Ciss) is 50pF, contributing to faster switching times.
- Fast Switching Speed: The turn-on and turn-off delay times are both 20ns, making it suitable for high-speed applications.
- RoHS Compliant and Lead-Free: The device is fully compliant with RoHS directives and is halogen- and antimony-free.
- Automotive Compliance: An automotive-compliant version (BSS138WQ) is available for specific automotive applications requiring AEC-Q100/101/200 qualification.
Applications
The BSS138W-7-F is ideal for various high-efficiency power management applications, including:
- Load switching in power supplies and DC-DC converters.
- Power management in consumer electronics and automotive systems.
- General-purpose switching applications requiring low on-resistance and fast switching speeds.
Q & A
- What is the maximum drain-to-source voltage (Vdss) of the BSS138W-7-F?
The maximum drain-to-source voltage (Vdss) is 50V.
- What is the typical on-resistance (RDS(ON)) of the BSS138W-7-F?
The typical on-resistance (RDS(ON)) is 3.5Ω at VGS = 10V.
- What is the maximum drain current (ID) of the BSS138W-7-F?
The maximum drain current (ID) is 200mA).
- What is the operating temperature range of the BSS138W-7-F?
The operating temperature range is -55°C to +150°C).
- Is the BSS138W-7-F RoHS compliant?
Yes, the BSS138W-7-F is fully RoHS compliant and lead-free).
- What is the package style of the BSS138W-7-F?
The package style is SOT-323 (SC-70)).
- What are the turn-on and turn-off delay times of the BSS138W-7-F?
Both the turn-on and turn-off delay times are 20ns).
- Is the BSS138W-7-F suitable for automotive applications?
An automotive-compliant version (BSS138WQ) is available for specific automotive applications requiring AEC-Q100/101/200 qualification).
- What is the input capacitance (Ciss) of the BSS138W-7-F?
The input capacitance (Ciss) is 50pF).
- What is the gate-source threshold voltage (VGS(TH)) of the BSS138W-7-F?
The gate-source threshold voltage (VGS(TH)) is 1.2V).
