Overview
The BSS138 is an N-Channel logic level enhancement mode field effect transistor (FET) produced using high cell density DMOS technology. This transistor is designed to minimize on-state resistance while providing rugged, reliable, and fast switching performance. It is particularly suited for low voltage, low current applications such as small servo motor control, power MOSFET gate drivers, and other switching applications.
Key Specifications
| Parameter | Min | Typ | Max | Unit |
|---|---|---|---|---|
| Drain-Source Voltage (VDSS) | - | - | 50 | V |
| Gate-Source Voltage (VGSS) | - | - | ±20 | V |
| Continuous Drain Current (ID) | - | - | 0.22 | A |
| Pulsed Drain Current (IDM) | - | - | 0.88 | A |
| Maximum Power Dissipation (PD) | - | - | 0.36 | W |
| Operating and Storage Junction Temperature Range (TJ, TSTG) | -55 | - | 150 | °C |
| Thermal Resistance, Junction-to-Ambient (RθJA) | - | - | 350 | °C/W |
| Gate Threshold Voltage (VGS(th)) | 0.8 | 1.3 | 1.5 | V |
| Static Drain-Source On-Resistance (RDS(on)) @ VGS = 10V, ID = 0.22A | 0.7 | - | 3.5 | Ω |
| Static Drain-Source On-Resistance (RDS(on)) @ VGS = 4.5V, ID = 0.22A | 1.0 | - | 6.0 | Ω |
Key Features
- High density cell design for extremely low RDS(on)
- Rugged and reliable performance
- Fast switching speed
- Low gate threshold voltage
- Low input capacitance
- Compact industry standard SOT-23 surface mount package
- Low input/output leakage
Applications
- Small servo motor control
- Power MOSFET gate drivers
- Other switching applications
- Low voltage, low current applications
Q & A
- What is the maximum drain-source voltage of the BSS138?
The maximum drain-source voltage (VDSS) is 50 V. - What is the continuous drain current rating of the BSS138?
The continuous drain current (ID) is 0.22 A. - What is the thermal resistance, junction-to-ambient (RθJA) of the BSS138?
The thermal resistance, junction-to-ambient (RθJA) is 350 °C/W. - What is the gate threshold voltage range of the BSS138?
The gate threshold voltage (VGS(th)) ranges from 0.8 V to 1.5 V. - What are the typical applications of the BSS138?
The BSS138 is typically used in small servo motor control, power MOSFET gate drivers, and other switching applications. - What is the package type of the BSS138?
The BSS138 comes in a compact industry standard SOT-23 surface mount package. - What is the maximum power dissipation of the BSS138?
The maximum power dissipation (PD) is 0.36 W. - What is the operating and storage junction temperature range of the BSS138?
The operating and storage junction temperature range (TJ, TSTG) is from -55°C to 150°C. - How does the BSS138 perform in terms of switching speed?
The BSS138 has fast switching speed, making it suitable for applications requiring quick switching. - Is the BSS138 compliant with RoHS directives?
Yes, the BSS138 is fully compliant with EU Directive 2002/95/EC (RoHS), 2011/65/EU (RoHS 2), and 2015/863/EU (RoHS 3).
