Overview
The BSS123LT3 is an N-Channel Logic Level Enhancement Mode Field Effect Transistor (FET) produced by onsemi. This device is fabricated using high cell density, DMOS technology, which ensures low on-state resistance and provides rugged, reliable, and fast switching performance. It is particularly suited for low-voltage, low-current applications and is available in a compact industry-standard SOT-23 surface mount package. The BSS123LT3 is Pb-free and halogen-free, making it compliant with RoHS standards.
Key Specifications
| Parameter | Value | Unit |
|---|---|---|
| Drain-Source Voltage (VDSS) | 100 | V |
| Gate-Source Voltage (VGSS) | ±20 | V |
| Continuous Drain Current (ID) | 0.17 | A |
| Pulsed Drain Current (IDM) | 0.68 | A |
| On-State Resistance (RDS(on)) at VGS = 10 V | 6 | Ω |
| On-State Resistance (RDS(on)) at VGS = 4.5 V | 10 | Ω |
| Input Capacitance (Ciss) | 21.5 | pF |
| Output Capacitance (Coss) | 3.52 | pF |
| Reverse Transfer Capacitance (Crss) | 1.67 | pF |
| Gate Resistance (RG) | 7.18 | Ω |
| Turn-On Delay Time (td(on)) | 1.7 - 3.4 | ns |
| Turn-On Rise Time (tr) | 9 - 18 | ns |
| Turn-Off Delay Time (td(off)) | 17 - 31 | ns |
| Turn-Off Fall Time (tf) | 2.4 - 5 | ns |
| Total Gate Charge (Qg) | 1.8 - 2.5 | nC |
Key Features
- High Density Cell Design for Extremely Low RDS(on)
- Rugged and Reliable
- Compact Industry Standard SOT-23 Surface Mount Package
- Very Low Capacitance
- Fast Switching Speed
- Pb-free and Halogen-free, RoHS Compliant
Applications
The BSS123LT3 is suitable for various low-voltage, low-current applications, including:
- Small servo motor control
- Power MOSFET gate drivers
- Logic level transistor applications
- High-speed line drivers
- Power management and power supply applications
- General switching applications
Q & A
- What is the maximum drain-source voltage (VDSS) of the BSS123LT3?
The maximum drain-source voltage (VDSS) is 100 V. - What is the continuous drain current (ID) rating of the BSS123LT3?
The continuous drain current (ID) rating is 0.17 A. - What is the on-state resistance (RDS(on)) at VGS = 10 V?
The on-state resistance (RDS(on)) at VGS = 10 V is 6 Ω. - What is the typical input capacitance (Ciss) of the BSS123LT3?
The typical input capacitance (Ciss) is 21.5 pF. - What is the turn-on delay time (td(on)) of the BSS123LT3?
The turn-on delay time (td(on)) is between 1.7 and 3.4 ns. - Is the BSS123LT3 Pb-free and halogen-free?
Yes, the BSS123LT3 is Pb-free and halogen-free, making it RoHS compliant. - What package type is the BSS123LT3 available in?
The BSS123LT3 is available in a compact industry-standard SOT-23 surface mount package. - What are some typical applications of the BSS123LT3?
Typical applications include small servo motor control, power MOSFET gate drivers, logic level transistor applications, high-speed line drivers, and general switching applications. - What is the operating temperature range of the BSS123LT3?
The operating temperature range is -55°C to +150°C. - What is the maximum power dissipation of the BSS123LT3?
The maximum power dissipation is 0.36 W, with a derate of 2.8 mW/°C above 25°C.
