Overview
The BSS138W, produced by Infineon Technologies, is an N-Channel Small Signal MOSFET designed for a variety of applications requiring low voltage and low current. This device is packaged in the SOT323 format, making it compact and suitable for space-constrained designs. It is part of Infineon's broad portfolio of N and P-Channel Small Signal MOSFETs, known for their high reliability and manufacturing quality. The BSS138W is particularly suited for applications such as LED lighting, Advanced Driver Assistance Systems (ADAS), body control units, Switch Mode Power Supplies (SMPS), and motor control.
Key Specifications
| Parameter | Symbol | Conditions | Unit | Min. | Max. | |
|---|---|---|---|---|---|---|
| Drain to Source Voltage | VDSS | VGS = 0 V, ID = 250 µA | V | - | - | 60 |
| Gate to Source Voltage | VGSS | - | V | - | - | ±20 |
| Drain Current - Continuous | ID | - | A | - | - | 0.28 |
| Drain Current - Pulsed | ID,pulse | - | A | - | - | 1.12 |
| On-Resistance | RDS(on) | VGS = 10 V, ID = 0.22 A | Ω | 2.1 | 3.5 | - |
| Thermal Resistance, Junction to Ambient | RthJA | - | K/W | - | - | 250 |
| Operating and Storage Temperature | Tj, Tstg | - | °C | -55 | - | 150 |
Key Features
- Enhancement mode
- Logic level
- Avalanche rated
- Fast switching
- Dv/dt rated
- Pb-free lead-plating and RoHS compliant, halogen-free
- Qualified according to automotive standards (AEC Q101)
- PPAP capable
- Low RDS(on) for higher efficiency and extended battery life
- Compact SOT323 package to save PCB space
- Best-in-class quality and reliability
Applications
- LED lighting
- Advanced Driver Assistance Systems (ADAS)
- Body control units
- Switch Mode Power Supplies (SMPS)
- Motor control
- Small servo motor control
- Power MOSFET gate drivers
Q & A
- What is the maximum drain to source voltage of the BSS138W?
The maximum drain to source voltage (VDSS) is 60 V.
- What is the typical on-resistance of the BSS138W?
The typical on-resistance (RDS(on)) is 3.5 Ω at VGS = 10 V and ID = 0.22 A.
- What is the maximum continuous drain current of the BSS138W?
The maximum continuous drain current (ID) is 0.28 A.
- Is the BSS138W RoHS compliant?
- What are the operating and storage temperature ranges for the BSS138W?
The operating and storage temperature ranges are -55°C to 150°C.
- What package type is the BSS138W available in?
The BSS138W is available in the SOT323 package.
- Is the BSS138W qualified according to automotive standards?
- What are some typical applications of the BSS138W?
- What is the thermal resistance, junction to ambient, of the BSS138W?
thJA), is 250 K/W. - Does the BSS138W have fast switching capabilities?
